From ab6c3a2f222e95d9777f4667b08e0cdfc1408c57 Mon Sep 17 00:00:00 2001
From: zzh <zzh9953477@gmail.com>
Date: Mon, 11 May 2026 15:57:59 +0800
Subject: [PATCH] add finance

---
 frontend/index.html                 |   12 +
 frontend/js/components/dashboard.js |   76 +-
 frontend/js/components/finance.js   | 1284 +++++++++++++++++++++++++++
 frontend/js/router.js               |   19 +-
 server/app.py                       |   10 +
 server/data.db                      |  Bin 12447744 -> 12529664 bytes
 server/finance_routes.py            |  950 ++++++++++++++++++++
 7 files changed, 2335 insertions(+), 16 deletions(-)
 create mode 100644 frontend/js/components/finance.js
 create mode 100644 server/finance_routes.py

diff --git a/frontend/index.html b/frontend/index.html
index 9598888..4489079 100755
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -161,6 +161,17 @@
             <a href="#/outsourcing-mgmt/wip-stock" class="dropdown-item" data-route="outsourcing-mgmt-wip-stock">委外在制库存</a>
           </div>
         </div>
+        <div class="topnav-item" data-menu="finance">
+          <a href="#/finance" class="nav-left" data-route="finance" style="text-decoration:none;color:inherit;">
+            <span class="nav-icon" aria-hidden="true">
+              <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+                <line x1="12" y1="1" x2="12" y2="23"/>
+                <path d="M17 5H9.5a3.5 3.5 0 0 0 0 7h5a3.5 3.5 0 0 1 0 7H6"/>
+              </svg>
+            </span>
+            <span class="topnav-text">财务管理</span>
+          </a>
+        </div>
         <div class="topnav-item has-dropdown" data-menu="collect">
           <span class="nav-left">
             <span class="nav-icon" aria-hidden="true">
@@ -495,6 +506,7 @@
 <script src="./js/components/purchase-demand.js?v=20260312" defer></script>
 <script src="./js/components/customer-order.js" defer></script>
 <script src="./js/components/reconciliation.js" defer></script>
+<script src="./js/components/finance.js?v=20250511-1530" defer></script>
 <script src="./js/components/outsourcing-orders.js" defer></script>
 <script src="./js/components/outsourcing-material-issue.js" defer></script>
 <script src="./js/components/finished-goods-receipt.js" defer></script>
diff --git a/frontend/js/components/dashboard.js b/frontend/js/components/dashboard.js
index 57cd499..a79b24a 100755
--- a/frontend/js/components/dashboard.js
+++ b/frontend/js/components/dashboard.js
@@ -470,23 +470,57 @@ const Dashboard = (() => {
   });
 
   async function render() {
-    const [dRes,pRes,yRes,tRes,mRes] = await Promise.allSettled([
-      API.dashboard(),
-      API.auditPddQuiet(),
-      API.auditYtQuiet(),
-      API.auditTxQuiet(),
-      API.auditMtQuiet()
-    ]);
-    const data = dRes.status==='fulfilled' ? dRes.value : { goodRate: '—', shipments: '—', defects: '—', badCount: '—' };
-    const pdd = pRes.status==='fulfilled' ? pRes.value : { list: [] };
-    const yt = yRes.status==='fulfilled' ? yRes.value : { list: [] };
-    const tx = tRes.status==='fulfilled' ? tRes.value : { list: [] };
-    const mt = mRes.status==='fulfilled' ? mRes.value : { list: [] };
+    // 先返回全屏loading遮罩层，阻止点击菜单栏
+    const loadingHtml = `
+      <div id="dashboard-loading" style="position:fixed;top:0;left:0;right:0;bottom:0;background:var(--surface);z-index:9999;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;">
+        <div style="width:48px;height:48px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite;"></div>
+        <div style="color:var(--text-secondary);font-size:14px;">加载中...</div>
+      </div>
+      <style>@keyframes spin{to{transform:rotate(360deg)}}</style>
+    `;
+    
+    // 异步加载数据并渲染
+    const loadData = async () => {
+      const [dRes,pRes,yRes,tRes,mRes] = await Promise.allSettled([
+        API.dashboard(),
+        API.auditPddQuiet(),
+        API.auditYtQuiet(),
+        API.auditTxQuiet(),
+        API.auditMtQuiet()
+      ]);
+      const data = dRes.status==='fulfilled' ? dRes.value : { goodRate: '—', shipments: '—', defects: '—', badCount: '—' };
+      const pdd = pRes.status==='fulfilled' ? pRes.value : { list: [] };
+      const yt = yRes.status==='fulfilled' ? yRes.value : { list: [] };
+      const tx = tRes.status==='fulfilled' ? tRes.value : { list: [] };
+      const mt = mRes.status==='fulfilled' ? mRes.value : { list: [] };
+      
+      renderDashboardContent(data, pdd, yt, tx, mt);
+    };
+    
+    // 启动数据加载
+    setTimeout(loadData, 0);
+    
+    return loadingHtml;
+  }
+  
+  // 实际的仪表盘内容渲染函数
+  function renderDashboardContent(data, pdd, yt, tx, mt) {
+    const view = document.getElementById('view');
+    if(!view) return;
+    
+    // 先移除loading遮罩层
+    const loadingEl = document.getElementById('dashboard-loading');
+    if(loadingEl) loadingEl.remove();
     
     // 优化：默认只显示少量数据，完整数据在点击模态框时加载
     const pddList = (pdd.list||[]).slice(0, 10).map(r=>`<li><span style="display:inline-flex;align-items:center;gap:4px;min-width:180px"><img src="assets/pdd.svg" style="width:16px;height:16px" />${r.ts_cn||'—'}</span><span class="badge">${r.batch||''}</span><span class="badge">${r.mac||''}</span><span class="badge">${r.note||''}</span></li>`).join('')||'<li>暂无数据</li>';
     const ytList = (yt.list||[]).slice(0, 10).map(r=>`<li><span style="display:inline-flex;align-items:center;gap:4px;min-width:180px"><img src="assets/yt.svg" style="width:16px;height:16px" />${r.ts_cn||'—'}</span><span class="badge">${r.batch||''}</span><span class="badge">${r.mac||''}</span><span class="badge">${r.note||''}</span></li>`).join('')||'<li>暂无数据</li>';
-    setTimeout(()=>{
+    
+    // 构建HTML内容
+    let html = '';
+    
+    // 清理旧的定时器和事件
+    window.__dashboardInit = () => {
       // 清理旧的定时器和事件
       if(window.__auditTimer){
         clearInterval(window.__auditTimer);
@@ -2107,8 +2141,10 @@ const Dashboard = (() => {
       
       // 刷新间隔10秒
       window.__auditTimer=setInterval(refreshAll, 10000);
-    },0);
-    return `
+    };
+    
+    // 构建HTML内容
+    html = `
       <div class="dashboard-container" style="display:flex;flex-direction:column;height:100%;overflow-y:auto;padding-right:8px">
         <!-- 四个指标卡片 -->
         <div class="dashboard-metrics-4col" style="flex-shrink:0">
@@ -2391,6 +2427,16 @@ const Dashboard = (() => {
         </div>
       </div>
     `;
+    
+    // 更新DOM内容，替换loading动画
+    if(view) {
+      view.innerHTML = html;
+    }
+    
+    // 触发setTimeout中的初始化逻辑（确保DOM已更新）
+    setTimeout(() => {
+      if(window.__dashboardInit) window.__dashboardInit();
+    }, 0);
   }
 
   // 跳转到良不良统计页面
diff --git a/frontend/js/components/finance.js b/frontend/js/components/finance.js
new file mode 100644
index 0000000..fc84a93
--- /dev/null
+++ b/frontend/js/components/finance.js
@@ -0,0 +1,1284 @@
+/**
+ * 财务管理模块组件
+ * 包含：收支管理、客户对账、发票管理、供应商对账
+ */
+window.Finance = (() => {
+  
+  // 当前子模块
+  let currentSubModule = 'income-expense';
+  
+  // 渲染主框架
+  const render = () => {
+    return `
+      <div class="finance-container">
+        <!-- 子模块标签页 -->
+        <div class="finance-tabs">
+          <div class="tab-item ${currentSubModule === 'income-expense' ? 'active' : ''}" data-tab="income-expense">
+            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+              <path d="M12 2v20M17 5H9.5a3.5 3.5 0 0 0 0 7h5a3.5 3.5 0 0 1 0 7H6"/>
+            </svg>
+            收支管理
+          </div>
+          <div class="tab-item ${currentSubModule === 'customer-rec' ? 'active' : ''}" data-tab="customer-rec">
+            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+              <path d="M17 21v-2a4 4 0 0 0-3-3.87M9 21v-2a4 4 0 0 1 3-3.87M12 11a4 4 0 1 0 0-8 4 4 0 0 0 0 8z"/>
+            </svg>
+            客户对账
+          </div>
+          <div class="tab-item ${currentSubModule === 'supplier-rec' ? 'active' : ''}" data-tab="supplier-rec">
+            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+              <path d="M21 16V8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16z"/>
+            </svg>
+            供应商对账
+          </div>
+          <div class="tab-item ${currentSubModule === 'invoice' ? 'active' : ''}" data-tab="invoice">
+            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+              <rect x="3" y="3" width="18" height="18" rx="2"/>
+              <path d="M9 9h6M9 13h6M9 17h4"/>
+            </svg>
+            发票管理
+          </div>
+          <div class="tab-item ${currentSubModule === 'stats' ? 'active' : ''}" data-tab="stats">
+            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+              <path d="M3 3v18h18M18 17V9M13 17V5M8 17v-5"/>
+            </svg>
+            统计报表
+          </div>
+        </div>
+        
+        <!-- 内容区域 -->
+        <div class="finance-content" id="finance-content">
+          ${renderSubModule(currentSubModule)}
+        </div>
+      </div>
+      
+      <style>
+        .finance-container {
+          padding: 20px;
+          max-width: 1400px;
+          margin: 0 auto;
+        }
+        .finance-tabs {
+          display: flex;
+          gap: 8px;
+          margin-bottom: 20px;
+          border-bottom: 1px solid var(--border);
+          padding-bottom: 12px;
+        }
+        .tab-item {
+          display: flex;
+          align-items: center;
+          gap: 6px;
+          padding: 10px 16px;
+          cursor: pointer;
+          border-radius: 8px;
+          transition: all 0.2s;
+          font-size: 14px;
+          color: var(--text-secondary);
+        }
+        .tab-item svg {
+          width: 18px;
+          height: 18px;
+        }
+        .tab-item:hover {
+          background: var(--surface);
+          color: var(--text);
+        }
+        .tab-item.active {
+          background: var(--primary);
+          color: white;
+        }
+        .finance-content {
+          background: var(--surface);
+          border-radius: 12px;
+          padding: 20px;
+          min-height: 500px;
+        }
+        .stats-cards {
+          display: grid;
+          grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
+          gap: 16px;
+          margin-bottom: 24px;
+        }
+        .stat-card {
+          background: var(--bg);
+          border-radius: 12px;
+          padding: 20px;
+          border: 1px solid var(--border);
+        }
+        .stat-card .label {
+          font-size: 13px;
+          color: var(--text-secondary);
+          margin-bottom: 8px;
+        }
+        .stat-card .value {
+          font-size: 28px;
+          font-weight: 700;
+          color: var(--text);
+        }
+        .stat-card .value.income { color: #10B981; }
+        .stat-card .value.expense { color: #EF4444; }
+        .stat-card .value.balance { color: #3B82F6; }
+        .filter-bar {
+          display: flex;
+          gap: 12px;
+          margin-bottom: 20px;
+          flex-wrap: wrap;
+          align-items: center;
+        }
+        .filter-bar input, .filter-bar select {
+          padding: 8px 12px;
+          border: 1px solid var(--border);
+          border-radius: 6px;
+          background: var(--bg);
+          color: var(--text);
+          font-size: 13px;
+        }
+        .filter-bar button {
+          padding: 8px 16px;
+          background: var(--primary);
+          color: white;
+          border: none;
+          border-radius: 6px;
+          cursor: pointer;
+          font-size: 13px;
+        }
+        .filter-bar button.secondary {
+          background: var(--bg);
+          color: var(--text);
+          border: 1px solid var(--border);
+        }
+        .data-table {
+          width: 100%;
+          border-collapse: collapse;
+        }
+        .data-table th, .data-table td {
+          padding: 12px;
+          text-align: left;
+          border-bottom: 1px solid var(--border);
+          font-size: 13px;
+        }
+        .data-table th {
+          background: var(--bg);
+          font-weight: 600;
+          color: var(--text-secondary);
+        }
+        .data-table tr:hover {
+          background: var(--bg);
+        }
+        .badge {
+          padding: 4px 8px;
+          border-radius: 4px;
+          font-size: 12px;
+          font-weight: 500;
+        }
+        .badge.income { background: #D1FAE5; color: #059669; }
+        .badge.expense { background: #FEE2E2; color: #DC2626; }
+        .badge.confirmed { background: #DBEAFE; color: #2563EB; }
+        .badge.pending { background: #FEF3C7; color: #D97706; }
+        .modal-overlay {
+          position: fixed;
+          inset: 0;
+          background: rgba(0,0,0,0.5);
+          display: flex;
+          align-items: center;
+          justify-content: center;
+          z-index: 1000;
+        }
+        .modal-content {
+          background: var(--surface);
+          border-radius: 16px;
+          padding: 24px;
+          width: 90%;
+          max-width: 600px;
+          max-height: 80vh;
+          overflow-y: auto;
+        }
+        .form-group {
+          margin-bottom: 16px;
+        }
+        .form-group label {
+          display: block;
+          margin-bottom: 6px;
+          font-size: 13px;
+          font-weight: 500;
+        }
+        .form-group input, .form-group select, .form-group textarea {
+          width: 100%;
+          padding: 10px 12px;
+          border: 1px solid var(--border);
+          border-radius: 6px;
+          background: var(--bg);
+          color: var(--text);
+          font-size: 14px;
+        }
+        .chart-container {
+          height: 300px;
+          margin: 20px 0;
+        }
+      </style>
+    `;
+  };
+  
+  // 渲染子模块内容
+  const renderSubModule = (module) => {
+    switch(module) {
+      case 'income-expense':
+        return renderIncomeExpense();
+      case 'customer-rec':
+        return renderCustomerReconciliation();
+      case 'supplier-rec':
+        return renderSupplierReconciliation();
+      case 'invoice':
+        return renderInvoice();
+      case 'stats':
+        return renderStats();
+      default:
+        return renderIncomeExpense();
+    }
+  };
+  
+  // 收支管理
+  const renderIncomeExpense = () => {
+    return `
+      <div class="income-expense-module">
+        <div class="stats-cards">
+          <div class="stat-card">
+            <div class="label">本月收入</div>
+            <div class="value income" id="month-income">¥0.00</div>
+          </div>
+          <div class="stat-card">
+            <div class="label">本月支出</div>
+            <div class="value expense" id="month-expense">¥0.00</div>
+          </div>
+          <div class="stat-card">
+            <div class="label">本月结余</div>
+            <div class="value balance" id="month-balance">¥0.00</div>
+          </div>
+          <div class="stat-card">
+            <div class="label">待确认</div>
+            <div class="value" id="pending-count">0</div>
+          </div>
+        </div>
+        
+        <div class="filter-bar">
+          <select id="trans-type">
+            <option value="">全部类型</option>
+            <option value="income">收入</option>
+            <option value="expense">支出</option>
+          </select>
+          <select id="trans-category">
+            <option value="">全部类别</option>
+            <option value="货款">货款</option>
+            <option value="运费">运费</option>
+            <option value="工资">工资</option>
+            <option value="租金">租金</option>
+            <option value="税费">税费</option>
+            <option value="其他">其他</option>
+          </select>
+          <input type="date" id="start-date" placeholder="开始日期">
+          <input type="date" id="end-date" placeholder="结束日期">
+          <input type="text" id="related-party" placeholder="客户/供应商">
+          <button onclick="Finance.loadTransactions()">查询</button>
+          <button class="secondary" onclick="Finance.showAddTransactionModal()">+ 新增</button>
+        </div>
+        
+        <table class="data-table" id="transactions-table">
+          <thead>
+            <tr>
+              <th>日期</th>
+              <th>类型</th>
+              <th>类别</th>
+              <th>金额</th>
+              <th>关联方</th>
+              <th>关联单号</th>
+              <th>支付方式</th>
+              <th>状态</th>
+              <th>备注</th>
+            </tr>
+          </thead>
+          <tbody id="transactions-tbody">
+            <tr><td colspan="9" style="text-align:center;color:var(--text-secondary)">加载中...</td></tr>
+          </tbody>
+        </table>
+        
+        <div id="transaction-pagination" style="margin-top:16px;display:flex;justify-content:center;gap:8px;"></div>
+      </div>
+    `;
+  };
+  
+  // 客户对账
+  const renderCustomerReconciliation = () => {
+    return `
+      <div class="customer-rec-module">
+        <div class="stats-cards" style="margin-bottom:16px;">
+          <div class="stat-card">
+            <div class="label">本期客户数</div>
+            <div class="value" id="rec-customer-count">0</div>
+          </div>
+          <div class="stat-card">
+            <div class="label">总应收金额</div>
+            <div class="value income" id="rec-total-receivable">¥0.00</div>
+          </div>
+          <div class="stat-card">
+            <div class="label">总已收金额</div>
+            <div class="value" id="rec-total-paid">¥0.00</div>
+          </div>
+          <div class="stat-card">
+            <div class="label">总未收余额</div>
+            <div class="value expense" id="rec-total-balance">¥0.00</div>
+          </div>
+        </div>
+        
+        <div class="filter-bar">
+          <input type="text" id="customer-name" placeholder="合同号/客户名称">
+          <input type="month" id="rec-period" placeholder="选择月份筛选">
+          <button onclick="Finance.loadCustomerRec()">查询</button>
+          <button class="secondary" onclick="Finance.clearPeriodFilter()">显示全部</button>
+          <button id="merge-btn" class="secondary" onclick="Finance.toggleMerge()" style="background:#3B82F6;color:white;">整合显示</button>
+          <button class="secondary" onclick="Finance.showGenerateStatementModal()">生成对账单</button>
+        </div>
+        
+        <div id="rec-period-label" style="margin-bottom:12px;font-size:13px;color:var(--text-secondary);">显示全部历史数据</div>
+        
+        <table class="data-table" id="customer-rec-table">
+          <thead>
+            <tr>
+              <th id="rec-th-customer">客户 / 合同号</th>
+              <th>订单数</th>
+              <th>物料明细</th>
+              <th>累计应收</th>
+              <th>累计已收</th>
+              <th>未收余额</th>
+              <th>回款率</th>
+              <th>最后交易</th>
+            </tr>
+          </thead>
+          <tbody id="customer-rec-tbody">
+            <tr><td colspan="8" style="text-align:center;color:var(--text-secondary)">暂无数据</td></tr>
+          </tbody>
+        </table>
+      </div>
+    `;
+  };
+  
+  // 供应商对账
+  const renderSupplierReconciliation = () => {
+    return `
+      <div class="supplier-rec-module">
+        <div class="filter-bar">
+          <input type="text" id="supplier-name" placeholder="供应商名称">
+          <input type="month" id="supplier-period" value="${new Date().toISOString().slice(0, 7)}">
+          <button onclick="Finance.loadSupplierRec()">查询</button>
+          <button class="secondary" onclick="Finance.showGenerateSupplierStatementModal()">生成对账单</button>
+        </div>
+        
+        <table class="data-table" id="supplier-rec-table">
+          <thead>
+            <tr>
+              <th>供应商名称</th>
+              <th>对账期间</th>
+              <th>期初应付</th>
+              <th>本期应付</th>
+              <th>本期已付</th>
+              <th>期末应付</th>
+              <th>状态</th>
+              <th>操作</th>
+            </tr>
+          </thead>
+          <tbody id="supplier-rec-tbody">
+            <tr><td colspan="8" style="text-align:center;color:var(--text-secondary)">暂无数据</td></tr>
+          </tbody>
+        </table>
+      </div>
+    `;
+  };
+  
+  // 发票管理
+  const renderInvoice = () => {
+    return `
+      <div class="invoice-module">
+        <div class="stats-cards">
+          <div class="stat-card">
+            <div class="label">本月进项发票</div>
+            <div class="value" id="input-invoice-count">0 张</div>
+          </div>
+          <div class="stat-card">
+            <div class="label">进项金额</div>
+            <div class="value" id="input-invoice-amount">¥0.00</div>
+          </div>
+          <div class="stat-card">
+            <div class="label">本月销项发票</div>
+            <div class="value" id="output-invoice-count">0 张</div>
+          </div>
+          <div class="stat-card">
+            <div class="label">销项金额</div>
+            <div class="value" id="output-invoice-amount">¥0.00</div>
+          </div>
+        </div>
+        
+        <div class="filter-bar">
+          <select id="invoice-type">
+            <option value="">全部</option>
+            <option value="input">进项发票</option>
+            <option value="output">销项发票</option>
+          </select>
+          <select id="invoice-status">
+            <option value="">全部状态</option>
+            <option value="normal">正常</option>
+            <option value="voided">作废</option>
+          </select>
+          <input type="date" id="invoice-start" placeholder="开始日期">
+          <input type="date" id="invoice-end" placeholder="结束日期">
+          <button onclick="Finance.loadInvoices()">查询</button>
+          <button class="secondary" onclick="Finance.showAddInvoiceModal()">+ 新增发票</button>
+        </div>
+        
+        <table class="data-table" id="invoices-table">
+          <thead>
+            <tr>
+              <th>发票类型</th>
+              <th>发票号码</th>
+              <th>开票日期</th>
+              <th>金额</th>
+              <th>税额</th>
+              <th>价税合计</th>
+              <th>关联方</th>
+              <th>关联单号</th>
+              <th>状态</th>
+            </tr>
+          </thead>
+          <tbody id="invoices-tbody">
+            <tr><td colspan="9" style="text-align:center;color:var(--text-secondary)">暂无数据</td></tr>
+          </tbody>
+        </table>
+      </div>
+    `;
+  };
+  
+  // 统计报表
+  const renderStats = () => {
+    return `
+      <div class="stats-module">
+        <div class="filter-bar">
+          <select id="stats-range">
+            <option value="7">近7天</option>
+            <option value="30" selected>近30天</option>
+            <option value="90">近90天</option>
+            <option value="365">近一年</option>
+          </select>
+          <button onclick="Finance.loadStats()">刷新</button>
+        </div>
+        
+        <div class="stats-cards">
+          <div class="stat-card">
+            <div class="label">总收入</div>
+            <div class="value income" id="total-income">¥0.00</div>
+          </div>
+          <div class="stat-card">
+            <div class="label">总支出</div>
+            <div class="value expense" id="total-expense">¥0.00</div>
+          </div>
+          <div class="stat-card">
+            <div class="label">净利润</div>
+            <div class="value balance" id="net-profit">¥0.00</div>
+          </div>
+          <div class="stat-card">
+            <div class="label">毛利率</div>
+            <div class="value" id="profit-margin">0%</div>
+          </div>
+        </div>
+        
+        <div style="display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px;">
+          <div class="chart-container">
+            <h4 style="margin-bottom:12px;">收支趋势</h4>
+            <canvas id="trend-chart" width="400" height="300"></canvas>
+          </div>
+          <div>
+            <h4 style="margin-bottom:12px;">客户应收TOP10</h4>
+            <table class="data-table" id="receivables-table">
+              <thead>
+                <tr><th>客户</th><th>应收金额</th></tr>
+              </thead>
+              <tbody id="receivables-tbody"></tbody>
+            </table>
+          </div>
+        </div>
+        
+        <div style="margin-top:20px;">
+          <h4 style="margin-bottom:12px;">供应商应付TOP10</h4>
+          <table class="data-table" id="payables-table">
+            <thead>
+              <tr><th>供应商</th><th>应付金额</th></tr>
+            </thead>
+            <tbody id="payables-tbody"></tbody>
+          </table>
+        </div>
+      </div>
+    `;
+  };
+  
+  // 初始化模块
+  const init = () => {
+    // 激活当前模块对应的标签
+    document.querySelectorAll('.finance-tabs .tab-item').forEach(t => t.classList.remove('active'));
+    const activeTab = document.querySelector(`[data-tab="${currentSubModule}"]`);
+    if(activeTab) activeTab.classList.add('active');
+    
+    // 渲染当前模块内容
+    const contentEl = document.getElementById('finance-content');
+    if(contentEl) contentEl.innerHTML = renderSubModule(currentSubModule);
+    
+    // 绑定标签页切换
+    document.querySelectorAll('.finance-tabs .tab-item').forEach(tab => {
+      tab.addEventListener('click', () => {
+        currentSubModule = tab.dataset.tab;
+        document.querySelectorAll('.tab-item').forEach(t => t.classList.remove('active'));
+        tab.classList.add('active');
+        document.getElementById('finance-content').innerHTML = renderSubModule(currentSubModule);
+        
+        // 加载对应数据
+        switch(currentSubModule) {
+          case 'income-expense':
+            setTimeout(() => {
+              loadTransactionStats();
+              loadTransactions();
+            }, 0);
+            break;
+          case 'customer-rec':
+            setTimeout(() => loadCustomerRec(), 0);
+            break;
+          case 'supplier-rec':
+            setTimeout(() => loadSupplierRec(), 0);
+            break;
+          case 'invoice':
+            setTimeout(() => {
+              loadInvoiceStats();
+              loadInvoices();
+            }, 0);
+            break;
+          case 'stats':
+            setTimeout(() => loadStats(), 0);
+            break;
+        }
+      });
+    });
+    
+    // 加载初始数据（只在收支管理标签页加载）
+    if(currentSubModule === 'income-expense') {
+      setTimeout(() => {
+        loadTransactionStats();
+        loadTransactions();
+      }, 0);
+    }
+  };
+  
+  // ========== 数据加载函数 ==========
+  
+  // 加载收支统计
+  const loadTransactionStats = async () => {
+    try {
+      const res = await fetch('/api/finance/transactions/stats', {
+        credentials: 'include'
+      }).then(r => r.json());
+      
+      if(res.ok) {
+        document.getElementById('month-income').textContent = 
+          '¥' + (res.stats.month_income || 0).toLocaleString('zh-CN', {minimumFractionDigits: 2});
+        document.getElementById('month-expense').textContent = 
+          '¥' + (res.stats.month_expense || 0).toLocaleString('zh-CN', {minimumFractionDigits: 2});
+        document.getElementById('month-balance').textContent = 
+          '¥' + (res.stats.month_net || 0).toLocaleString('zh-CN', {minimumFractionDigits: 2});
+      }
+    } catch(e) {
+      console.error('加载统计失败:', e);
+    }
+  };
+  
+  // 加载收支流水
+  const loadTransactions = async (page = 1) => {
+    try {
+      const params = new URLSearchParams();
+      const type = document.getElementById('trans-type')?.value;
+      const category = document.getElementById('trans-category')?.value;
+      const startDate = document.getElementById('start-date')?.value;
+      const endDate = document.getElementById('end-date')?.value;
+      const party = document.getElementById('related-party')?.value;
+      
+      if(type) params.append('type', type);
+      if(category) params.append('category', category);
+      if(startDate) params.append('start_date', startDate);
+      if(endDate) params.append('end_date', endDate);
+      if(party) params.append('related_party', party);
+      params.append('page', page);
+      
+      const res = await fetch('/api/finance/transactions?' + params, {
+        credentials: 'include'
+      }).then(r => r.json());
+      
+      if(res.ok) {
+        const tbody = document.getElementById('transactions-tbody');
+        if(res.data.length === 0) {
+          tbody.innerHTML = '<tr><td colspan="9" style="text-align:center;color:var(--text-secondary)">暂无数据</td></tr>';
+        } else {
+          tbody.innerHTML = res.data.map(row => `
+            <tr>
+              <td>${row.date}</td>
+              <td><span class="badge ${row.type}">${row.type === 'income' ? '收入' : '支出'}</span></td>
+              <td>${row.category || '-'}</td>
+              <td>¥${(row.amount || 0).toLocaleString('zh-CN', {minimumFractionDigits: 2})}</td>
+              <td>${row.related_party || '-'}</td>
+              <td>${row.order_no || '-'}</td>
+              <td>${row.payment_method || '-'}</td>
+              <td><span class="badge ${row.status}">${row.status === 'confirmed' ? '已确认' : '待确认'}</span></td>
+              <td>${row.description || '-'}</td>
+            </tr>
+          `).join('');
+        }
+      }
+    } catch(e) {
+      console.error('加载流水失败:', e);
+    }
+  };
+  
+  // 整合显示状态
+  let isMergeMode = false;
+  
+  // 切换整合/分开显示
+  const toggleMerge = () => {
+    isMergeMode = !isMergeMode;
+    const btn = document.getElementById('merge-btn');
+    const th = document.getElementById('rec-th-customer');
+    if(btn) {
+      if(isMergeMode) {
+        btn.textContent = '分开显示';
+        btn.style.background = '#6B7280';
+        if(th) th.textContent = '客户名称';
+      } else {
+        btn.textContent = '整合显示';
+        btn.style.background = '#3B82F6';
+        if(th) th.textContent = '客户 / 合同号';
+      }
+    }
+    loadCustomerRec();
+  };
+  
+  // 加载客户对账
+  const loadCustomerRec = async () => {
+    try {
+      const params = new URLSearchParams();
+      const customer = document.getElementById('customer-name')?.value;
+      const period = document.getElementById('rec-period')?.value;
+      
+      console.log('DEBUG: period value =', period);
+      
+      if(customer) params.append('customer', customer);
+      if(period) {
+        params.append('period', period);
+        console.log('DEBUG: adding period param =', period);
+      }
+      if(isMergeMode) params.append('merge', 'true');
+      
+      console.log('DEBUG: final URL =', '/api/finance/customer-reconciliation?' + params.toString());
+      
+      const res = await fetch('/api/finance/customer-reconciliation?' + params, {
+        credentials: 'include'
+      }).then(r => r.json());
+      
+      console.log('DEBUG: response period_label =', res.period_label);
+      
+      if(res.ok) {
+        // 更新周期标签
+        const periodLabel = document.getElementById('rec-period-label');
+        if(periodLabel && res.period_label) {
+          const modeText = isMergeMode ? '（整合显示）' : '（分开显示）';
+          periodLabel.textContent = (period ? `数据周期：${res.period_label}` : '显示全部历史数据') + modeText;
+        }
+        
+        // 更新统计卡片
+        const totalReceivable = res.data.reduce((sum, r) => sum + (r.total_income || 0), 0);
+        const totalPaid = res.data.reduce((sum, r) => sum + (r.total_paid || 0), 0);
+        const totalBalance = res.data.reduce((sum, r) => sum + (r.closing_balance || 0), 0);
+        
+        // 本期客户数：按客户名称去重统计（同一客户多个合同号只算1个）
+        const uniqueCustomers = new Set(res.data.map(r => r.customer_name)).size;
+        
+        document.getElementById('rec-customer-count').textContent = uniqueCustomers;
+        document.getElementById('rec-total-receivable').textContent = 
+          '¥' + totalReceivable.toLocaleString('zh-CN', {minimumFractionDigits: 2});
+        document.getElementById('rec-total-paid').textContent = 
+          '¥' + totalPaid.toLocaleString('zh-CN', {minimumFractionDigits: 2});
+        document.getElementById('rec-total-balance').textContent = 
+          '¥' + totalBalance.toLocaleString('zh-CN', {minimumFractionDigits: 2});
+        
+        const tbody = document.getElementById('customer-rec-tbody');
+        if(res.data.length === 0) {
+          tbody.innerHTML = '<tr><td colspan="8" style="text-align:center;color:var(--text-secondary)">暂无数据</td></tr>';
+        } else {
+          tbody.innerHTML = res.data.map(row => {
+            // 计算回款率
+            const payRate = row.total_income > 0 
+              ? ((row.total_paid / row.total_income) * 100).toFixed(1) + '%'
+              : '0%';
+            
+            // 物料明细截断显示
+            const materials = row.materials 
+              ? (row.materials.length > 30 ? row.materials.substring(0, 30) + '...' : row.materials)
+              : '-';
+            
+            // 最后交易日期
+            const lastDate = row.last_order_date || '-';
+            
+            // 显示名称：整合模式只显示客户名，分开模式显示客户名+合同号+编辑图标
+            let displayName;
+            const editIcon = `<svg onclick="Finance.editCustomerRec('${row.contract_no}', '${row.customer_name}')" style="cursor:pointer;margin-left:8px;color:var(--primary);" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7"></path><path d="M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z"></path></svg>`;
+            if(isMergeMode) {
+              displayName = `<strong style="cursor:pointer;" onclick="Finance.editCustomerRec('${row.contract_no}', '${row.customer_name}')">${row.customer_name}</strong>${editIcon}`;
+            } else {
+              // 分开显示模式：同时显示客户名称和合同号，可点击编辑
+              if(row.customer_name && row.customer_name !== row.contract_no) {
+                displayName = `<strong style="cursor:pointer;" onclick="Finance.editCustomerRec('${row.contract_no}', '${row.customer_name}')">${row.customer_name}</strong>${editIcon}<br><small style="color:var(--text-secondary)">${row.contract_no}</small>`;
+              } else {
+                displayName = `<strong style="cursor:pointer;" onclick="Finance.editCustomerRec('${row.contract_no}', '${row.customer_name}')">${row.contract_no}</strong>${editIcon}`;
+              }
+            }
+            
+            return `
+            <tr>
+              <td>${displayName}</td>
+              <td>${row.order_count || 0} 单</td>
+              <td title="${row.materials || ''}">${materials}</td>
+              <td class="income">¥${(row.total_income || 0).toLocaleString('zh-CN', {minimumFractionDigits: 2})}</td>
+              <td>¥${(row.total_paid || 0).toLocaleString('zh-CN', {minimumFractionDigits: 2})}</td>
+              <td class="${row.closing_balance > 0 ? 'expense' : ''}">¥${(row.closing_balance || 0).toLocaleString('zh-CN', {minimumFractionDigits: 2})}</td>
+              <td>${payRate}</td>
+              <td>${lastDate}</td>
+            </tr>
+          `}).join('');
+        }
+      }
+    } catch(e) {
+      console.error('加载客户对账失败:', e);
+    }
+  };
+  
+  // 加载供应商对账
+  const loadSupplierRec = async () => {
+    try {
+      const params = new URLSearchParams();
+      const supplier = document.getElementById('supplier-name')?.value;
+      const period = document.getElementById('supplier-period')?.value;
+      
+      if(supplier) params.append('supplier', supplier);
+      if(period) params.append('period', period);
+      
+      const res = await fetch('/api/finance/supplier-reconciliation?' + params, {
+        credentials: 'include'
+      }).then(r => r.json());
+      
+      if(res.ok) {
+        const tbody = document.getElementById('supplier-rec-tbody');
+        if(res.data.length === 0) {
+          tbody.innerHTML = '<tr><td colspan="8" style="text-align:center;color:var(--text-secondary)">暂无数据</td></tr>';
+        } else {
+          tbody.innerHTML = res.data.map(row => `
+            <tr>
+              <td>${row.supplier_name}</td>
+              <td>${row.period_start} ~ ${row.period_end}</td>
+              <td>¥${(row.opening_balance || 0).toLocaleString('zh-CN', {minimumFractionDigits: 2})}</td>
+              <td>¥${(row.total_expense || 0).toLocaleString('zh-CN', {minimumFractionDigits: 2})}</td>
+              <td>¥${(row.total_paid || 0).toLocaleString('zh-CN', {minimumFractionDigits: 2})}</td>
+              <td>¥${(row.closing_balance || 0).toLocaleString('zh-CN', {minimumFractionDigits: 2})}</td>
+              <td><span class="badge ${row.statement_status}">${row.statement_status === 'confirmed' ? '已确认' : '待确认'}</span></td>
+              <td><button onclick="Finance.viewSupplierStatement(${row.id})">查看</button></td>
+            </tr>
+          `).join('');
+        }
+      }
+    } catch(e) {
+      console.error('加载供应商对账失败:', e);
+    }
+  };
+  
+  // 加载发票统计
+  const loadInvoiceStats = async () => {
+    try {
+      const res = await fetch('/api/finance/invoices/stats', {
+        credentials: 'include'
+      }).then(r => r.json());
+      
+      if(res.ok) {
+        document.getElementById('input-invoice-count').textContent = 
+          (res.stats.input.count || 0) + ' 张';
+        document.getElementById('input-invoice-amount').textContent = 
+          '¥' + (res.stats.input.total || 0).toLocaleString('zh-CN', {minimumFractionDigits: 2});
+        document.getElementById('output-invoice-count').textContent = 
+          (res.stats.output.count || 0) + ' 张';
+        document.getElementById('output-invoice-amount').textContent = 
+          '¥' + (res.stats.output.total || 0).toLocaleString('zh-CN', {minimumFractionDigits: 2});
+      }
+    } catch(e) {
+      console.error('加载发票统计失败:', e);
+    }
+  };
+  
+  // 加载发票列表
+  const loadInvoices = async () => {
+    try {
+      const params = new URLSearchParams();
+      const type = document.getElementById('invoice-type')?.value;
+      const status = document.getElementById('invoice-status')?.value;
+      const start = document.getElementById('invoice-start')?.value;
+      const end = document.getElementById('invoice-end')?.value;
+      
+      if(type) params.append('type', type);
+      if(status) params.append('status', status);
+      if(start) params.append('start_date', start);
+      if(end) params.append('end_date', end);
+      
+      const res = await fetch('/api/finance/invoices?' + params, {
+        credentials: 'include'
+      }).then(r => r.json());
+      
+      if(res.ok) {
+        const tbody = document.getElementById('invoices-tbody');
+        if(res.data.length === 0) {
+          tbody.innerHTML = '<tr><td colspan="9" style="text-align:center;color:var(--text-secondary)">暂无数据</td></tr>';
+        } else {
+          tbody.innerHTML = res.data.map(row => `
+            <tr>
+              <td>${row.invoice_type === 'input' ? '进项' : '销项'}</td>
+              <td>${row.invoice_no}</td>
+              <td>${row.issue_date}</td>
+              <td>¥${(row.amount || 0).toLocaleString('zh-CN', {minimumFractionDigits: 2})}</td>
+              <td>¥${(row.tax_amount || 0).toLocaleString('zh-CN', {minimumFractionDigits: 2})}</td>
+              <td>¥${(row.total_amount || 0).toLocaleString('zh-CN', {minimumFractionDigits: 2})}</td>
+              <td>${row.related_party || '-'}</td>
+              <td>${row.order_no || '-'}</td>
+              <td><span class="badge ${row.status}">${row.status === 'normal' ? '正常' : '作废'}</span></td>
+            </tr>
+          `).join('');
+        }
+      }
+    } catch(e) {
+      console.error('加载发票失败:', e);
+    }
+  };
+  
+  // 加载统计报表
+  const loadStats = async () => {
+    try {
+      const days = document.getElementById('stats-range')?.value || 30;
+      
+      const res = await fetch('/api/finance/business-stats?days=' + days, {
+        credentials: 'include'
+      }).then(r => r.json());
+      
+      if(res.ok) {
+        document.getElementById('total-income').textContent = 
+          '¥' + (res.stats.summary.total_income || 0).toLocaleString('zh-CN', {minimumFractionDigits: 2});
+        document.getElementById('total-expense').textContent = 
+          '¥' + (res.stats.summary.total_expense || 0).toLocaleString('zh-CN', {minimumFractionDigits: 2});
+        
+        const net = (res.stats.summary.total_income || 0) - (res.stats.summary.total_expense || 0);
+        document.getElementById('net-profit').textContent = 
+          '¥' + net.toLocaleString('zh-CN', {minimumFractionDigits: 2});
+        
+        const margin = res.stats.summary.total_income > 0 
+          ? (net / res.stats.summary.total_income * 100).toFixed(1) 
+          : 0;
+        document.getElementById('profit-margin').textContent = margin + '%';
+        
+        // 客户应收
+        const recTbody = document.getElementById('receivables-tbody');
+        if(res.stats.customer_receivables?.length > 0) {
+          recTbody.innerHTML = res.stats.customer_receivables.map(r => `
+            <tr><td>${r.related_party}</td><td>¥${(r.balance || 0).toLocaleString('zh-CN', {minimumFractionDigits: 2})}</td></tr>
+          `).join('');
+        } else {
+          recTbody.innerHTML = '<tr><td colspan="2" style="text-align:center">暂无数据</td></tr>';
+        }
+        
+        // 供应商应付
+        const payTbody = document.getElementById('payables-tbody');
+        if(res.stats.supplier_payables?.length > 0) {
+          payTbody.innerHTML = res.stats.supplier_payables.map(r => `
+            <tr><td>${r.related_party}</td><td>¥${(r.balance || 0).toLocaleString('zh-CN', {minimumFractionDigits: 2})}</td></tr>
+          `).join('');
+        } else {
+          payTbody.innerHTML = '<tr><td colspan="2" style="text-align:center">暂无数据</td></tr>';
+        }
+      }
+    } catch(e) {
+      console.error('加载统计失败:', e);
+    }
+  };
+  
+  // ========== 模态框函数 ==========
+  
+  const showAddTransactionModal = () => {
+    const modal = document.createElement('div');
+    modal.className = 'modal-overlay';
+    modal.id = 'transaction-modal';
+    modal.innerHTML = `
+      <div class="modal-content">
+        <h3 style="margin-bottom:20px;">新增收支记录</h3>
+        <div class="form-group">
+          <label>类型</label>
+          <select id="trans-type-input">
+            <option value="income">收入</option>
+            <option value="expense">支出</option>
+          </select>
+        </div>
+        <div class="form-group">
+          <label>类别</label>
+          <select id="trans-category-input">
+            <option value="货款">货款</option>
+            <option value="运费">运费</option>
+            <option value="工资">工资</option>
+            <option value="租金">租金</option>
+            <option value="税费">税费</option>
+            <option value="其他">其他</option>
+          </select>
+        </div>
+        <div class="form-group">
+          <label>金额</label>
+          <input type="number" id="trans-amount" step="0.01" placeholder="0.00">
+        </div>
+        <div class="form-group">
+          <label>日期</label>
+          <input type="date" id="trans-date" value="${new Date().toISOString().slice(0, 10)}">
+        </div>
+        <div class="form-group">
+          <label>关联方</label>
+          <input type="text" id="trans-party" placeholder="客户/供应商名称">
+        </div>
+        <div class="form-group">
+          <label>关联单号</label>
+          <input type="text" id="trans-order" placeholder="订单号">
+        </div>
+        <div class="form-group">
+          <label>支付方式</label>
+          <select id="trans-payment">
+            <option value="transfer">银行转账</option>
+            <option value="cash">现金</option>
+            <option value="alipay">支付宝</option>
+            <option value="wechat">微信支付</option>
+          </select>
+        </div>
+        <div class="form-group">
+          <label>备注</label>
+          <textarea id="trans-desc" rows="3"></textarea>
+        </div>
+        <div style="display:flex;gap:12px;justify-content:flex-end;margin-top:20px;">
+          <button class="secondary" onclick="document.getElementById('transaction-modal').remove()">取消</button>
+          <button onclick="Finance.saveTransaction()">保存</button>
+        </div>
+      </div>
+    `;
+    document.body.appendChild(modal);
+  };
+  
+  const saveTransaction = async () => {
+    try {
+      const data = {
+        type: document.getElementById('trans-type-input').value,
+        category: document.getElementById('trans-category-input').value,
+        amount: parseFloat(document.getElementById('trans-amount').value) || 0,
+        date: document.getElementById('trans-date').value,
+        related_party: document.getElementById('trans-party').value,
+        related_party_type: 'customer',
+        order_no: document.getElementById('trans-order').value,
+        payment_method: document.getElementById('trans-payment').value,
+        description: document.getElementById('trans-desc').value
+      };
+      
+      const res = await fetch('/api/finance/transactions', {
+        method: 'POST',
+        headers: {'Content-Type': 'application/json'},
+        credentials: 'include',
+        body: JSON.stringify(data)
+      }).then(r => r.json());
+      
+      if(res.ok) {
+        document.getElementById('transaction-modal').remove();
+        loadTransactions();
+        loadTransactionStats();
+      } else {
+        alert('保存失败: ' + (res.error || '未知错误'));
+      }
+    } catch(e) {
+      console.error('保存失败:', e);
+      alert('保存失败');
+    }
+  };
+  
+  const showAddInvoiceModal = () => {
+    const modal = document.createElement('div');
+    modal.className = 'modal-overlay';
+    modal.id = 'invoice-modal';
+    modal.innerHTML = `
+      <div class="modal-content">
+        <h3 style="margin-bottom:20px;">新增发票</h3>
+        <div class="form-group">
+          <label>发票类型</label>
+          <select id="inv-type-input">
+            <option value="input">进项发票</option>
+            <option value="output">销项发票</option>
+          </select>
+        </div>
+        <div class="form-group">
+          <label>发票号码</label>
+          <input type="text" id="inv-no" placeholder="发票号码">
+        </div>
+        <div class="form-group">
+          <label>发票代码</label>
+          <input type="text" id="inv-code" placeholder="发票代码">
+        </div>
+        <div class="form-group">
+          <label>开票日期</label>
+          <input type="date" id="inv-date" value="${new Date().toISOString().slice(0, 10)}">
+        </div>
+        <div class="form-group">
+          <label>金额（不含税）</label>
+          <input type="number" id="inv-amount" step="0.01" placeholder="0.00">
+        </div>
+        <div class="form-group">
+          <label>税额</label>
+          <input type="number" id="inv-tax" step="0.01" placeholder="0.00">
+        </div>
+        <div class="form-group">
+          <label>关联方</label>
+          <input type="text" id="inv-party" placeholder="开票方/收票方">
+        </div>
+        <div class="form-group">
+          <label>关联订单号</label>
+          <input type="text" id="inv-order" placeholder="订单号">
+        </div>
+        <div class="form-group">
+          <label>备注</label>
+          <textarea id="inv-notes" rows="2"></textarea>
+        </div>
+        <div style="display:flex;gap:12px;justify-content:flex-end;margin-top:20px;">
+          <button class="secondary" onclick="document.getElementById('invoice-modal').remove()">取消</button>
+          <button onclick="Finance.saveInvoice()">保存</button>
+        </div>
+      </div>
+    `;
+    document.body.appendChild(modal);
+  };
+  
+  const saveInvoice = async () => {
+    try {
+      const amount = parseFloat(document.getElementById('inv-amount').value) || 0;
+      const tax = parseFloat(document.getElementById('inv-tax').value) || 0;
+      
+      const data = {
+        invoice_type: document.getElementById('inv-type-input').value,
+        invoice_no: document.getElementById('inv-no').value,
+        invoice_code: document.getElementById('inv-code').value,
+        issue_date: document.getElementById('inv-date').value,
+        amount: amount,
+        tax_amount: tax,
+        total_amount: amount + tax,
+        related_party: document.getElementById('inv-party').value,
+        order_no: document.getElementById('inv-order').value,
+        notes: document.getElementById('inv-notes').value
+      };
+      
+      const res = await fetch('/api/finance/invoices', {
+        method: 'POST',
+        headers: {'Content-Type': 'application/json'},
+        credentials: 'include',
+        body: JSON.stringify(data)
+      }).then(r => r.json());
+      
+      if(res.ok) {
+        document.getElementById('invoice-modal').remove();
+        loadInvoices();
+        loadInvoiceStats();
+      } else {
+        alert('保存失败: ' + (res.error || '未知错误'));
+      }
+    } catch(e) {
+      console.error('保存失败:', e);
+      alert('保存失败');
+    }
+  };
+  
+  // 其他占位函数
+  const showGenerateStatementModal = () => alert('生成客户对账单功能开发中');
+  const showGenerateSupplierStatementModal = () => alert('生成供应商对账单功能开发中');
+  const viewStatement = (id) => alert('查看对账单 ' + id);
+  const viewSupplierStatement = (id) => alert('查看供应商对账单 ' + id);
+  
+  return {
+    render,
+    init,
+    renderCustomerReconciliation,
+    renderSupplierReconciliation,
+    renderInvoice,
+    renderStats,
+    loadTransactions,
+    loadCustomerRec,
+    loadSupplierRec,
+    loadInvoices,
+    loadStats,
+    loadTransactionStats,
+    loadInvoiceStats,
+    // 重置模块状态
+    resetModule: () => {
+      currentSubModule = 'income-expense';
+      isMergeMode = false;
+    },
+    showAddTransactionModal,
+    saveTransaction,
+    showAddInvoiceModal,
+    saveInvoice,
+    showGenerateStatementModal,
+    showGenerateSupplierStatementModal,
+    viewStatement,
+    viewSupplierStatement,
+    toggleMerge,
+    editCustomerRec: (contractNo, customerName) => {
+      const modal = document.createElement('div');
+      modal.className = 'modal-overlay';
+      modal.id = 'edit-rec-modal';
+      modal.innerHTML = `
+        <div class="modal-content">
+          <h3 style="margin-bottom:20px;">编辑客户信息</h3>
+          <div class="form-group">
+            <label>合同号</label>
+            <input type="text" id="edit-contract-no" value="${contractNo}" disabled style="background:var(--bg);">
+          </div>
+          <div class="form-group">
+            <label>客户名称</label>
+            <input type="text" id="edit-customer-name" value="${customerName}" placeholder="请输入客户名称">
+          </div>
+          <div style="display:flex;gap:12px;justify-content:flex-end;margin-top:20px;">
+            <button class="secondary" onclick="document.getElementById('edit-rec-modal').remove()">取消</button>
+            <button onclick="Finance.saveCustomerRecEdit()">保存</button>
+          </div>
+        </div>
+      `;
+      document.body.appendChild(modal);
+    },
+    saveCustomerRecEdit: async () => {
+      const contractNo = document.getElementById('edit-contract-no').value;
+      const customerName = document.getElementById('edit-customer-name').value;
+      
+      if(!customerName.trim()) {
+        alert('请输入客户名称');
+        return;
+      }
+      
+      try {
+        // 调用后端API保存
+        const res = await fetch('/api/finance/customer-reconciliation/update', {
+          method: 'POST',
+          headers: {'Content-Type': 'application/json'},
+          credentials: 'include',
+          body: JSON.stringify({
+            order_no: contractNo,
+            customer_name: customerName.trim()
+          })
+        }).then(r => r.json());
+        
+        document.getElementById('edit-rec-modal').remove();
+        
+        if(res.ok) {
+          // 刷新列表
+          if(window.Finance && window.Finance.loadCustomerRec) {
+            window.Finance.loadCustomerRec();
+          }
+          if(window.API && window.API.toast) {
+            window.API.toast('客户名称已更新');
+          }
+        } else {
+          alert('保存失败：' + (res.error || '未知错误'));
+        }
+      } catch(e) {
+        console.error('保存失败:', e);
+        alert('保存失败，请检查网络连接');
+      }
+    },
+    clearPeriodFilter: () => {
+      document.getElementById('rec-period').value = '';
+      if(window.Finance && window.Finance.loadCustomerRec) {
+        window.Finance.loadCustomerRec();
+      }
+    }
+  };
+})();
+
+// 注册路由
+Router.register('/finance', async () => {
+  // 重置为收支管理标签
+  if(window.Finance && window.Finance.resetModule) {
+    window.Finance.resetModule();
+  }
+  const html = window.Finance.render();
+  setTimeout(() => window.Finance.init(), 0);
+  return html;
+});
+
+Router.register('/finance/customer-rec', async () => {
+  // 设置当前模块为客户对账，避免init加载错误的数据
+  isMergeMode = false;
+  const html = window.Finance.render();
+  setTimeout(() => {
+    window.Finance.init();
+    // 手动切换到客户对账标签并加载数据
+    currentSubModule = 'customer-rec';
+    document.querySelectorAll('.tab-item').forEach(t => t.classList.remove('active'));
+    document.querySelector('[data-tab="customer-rec"]')?.classList.add('active');
+    document.getElementById('finance-content').innerHTML = window.Finance.renderCustomerReconciliation();
+    setTimeout(() => window.Finance.loadCustomerRec(), 0);
+  }, 0);
+  return html;
+});
+
+Router.register('/finance/supplier-rec', async () => {
+  isMergeMode = false;
+  const html = window.Finance.render();
+  setTimeout(() => {
+    window.Finance.init();
+    currentSubModule = 'supplier-rec';
+    document.querySelectorAll('.tab-item').forEach(t => t.classList.remove('active'));
+    document.querySelector('[data-tab="supplier-rec"]')?.classList.add('active');
+    document.getElementById('finance-content').innerHTML = window.Finance.renderSupplierReconciliation();
+    setTimeout(() => window.Finance.loadSupplierRec(), 0);
+  }, 0);
+  return html;
+});
+
+Router.register('/finance/invoice', async () => {
+  isMergeMode = false;
+  const html = window.Finance.render();
+  setTimeout(() => {
+    window.Finance.init();
+    currentSubModule = 'invoice';
+    document.querySelectorAll('.tab-item').forEach(t => t.classList.remove('active'));
+    document.querySelector('[data-tab="invoice"]')?.classList.add('active');
+    document.getElementById('finance-content').innerHTML = window.Finance.renderInvoice();
+    setTimeout(() => {
+      window.Finance.loadInvoiceStats();
+      window.Finance.loadInvoices();
+    }, 0);
+  }, 0);
+  return html;
+});
+
+Router.register('/finance/stats', async () => {
+  isMergeMode = false;
+  const html = window.Finance.render();
+  setTimeout(() => {
+    window.Finance.init();
+    currentSubModule = 'stats';
+    document.querySelectorAll('.tab-item').forEach(t => t.classList.remove('active'));
+    document.querySelector('[data-tab="stats"]')?.classList.add('active');
+    document.getElementById('finance-content').innerHTML = window.Finance.renderStats();
+    setTimeout(() => window.Finance.loadStats(), 0);
+  }, 0);
+  return html;
+});
diff --git a/frontend/js/router.js b/frontend/js/router.js
index 7aae70c..140ec14 100755
--- a/frontend/js/router.js
+++ b/frontend/js/router.js
@@ -92,7 +92,24 @@ const Router = (() => {
       'customer-order': '客户订单',
       'reconciliation': '对账单',
       export: '导出', 
-      settings: '设置'
+      settings: '设置',
+      finance: '财务管理',
+      'customer-rec': '客户对账',
+      'supplier-rec': '供应商对账',
+      invoice: '发票管理',
+      outsoucing: '委外管理',
+      'outsourcing-mgmt': '委外管理',
+      'outsourcing-orders': '委外工单',
+      'material-issue': '委外发料',
+      'finished-goods-receipt': '成品入库',
+      'wip-stock': '委外在制库存',
+      collect: '采集',
+      test: '测试',
+      meituan: '美团测试',
+      system: '系统',
+      'operations-log': '操作日志',
+      'material-purchase': '物料采购',
+      'ai-report': 'AI报表'
     };
     return map[key] || key;
   }
diff --git a/server/app.py b/server/app.py
index fa38ba1..bf40b2b 100755
--- a/server/app.py
+++ b/server/app.py
@@ -8722,6 +8722,16 @@ except Exception as e:
     print(f"⚠️ AI服务集成失败: {e}")
     print("   智能报表功能将不可用，但其他功能正常")
 
+# 初始化财务管理路由
+try:
+    from finance_routes import finance_bp, init_finance_tables
+    app.register_blueprint(finance_bp)
+    # 初始化财务表（如果不存在）
+    init_finance_tables()
+    print("✅ 财务管理模块已成功集成")
+except Exception as e:
+    print(f"⚠️ 财务管理模块集成失败: {e}")
+
 
 # 添加缓存头
 @app.after_request
diff --git a/server/data.db b/server/data.db
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diff --git a/server/finance_routes.py b/server/finance_routes.py
new file mode 100644
index 0000000..f5ab904
--- /dev/null
+++ b/server/finance_routes.py
@@ -0,0 +1,950 @@
+# -*- coding: utf-8 -*-
+"""
+财务管理模块API路由
+包含：收支管理、客户对账、发票管理、供应商对账
+"""
+import os
+import json
+import sqlite3
+from datetime import datetime, timedelta
+from functools import wraps
+from flask import Blueprint, request, jsonify, session
+
+# 创建蓝图
+finance_bp = Blueprint('finance', __name__, url_prefix='/api/finance')
+
+BASE_DIR = os.path.dirname(os.path.abspath(__file__))
+DB_PATH = os.path.join(BASE_DIR, 'data.db')
+
+def get_db():
+    conn = sqlite3.connect(DB_PATH)
+    conn.row_factory = sqlite3.Row
+    return conn
+
+def require_login(fn):
+    @wraps(fn)
+    def wrapper(*args, **kwargs):
+        if not session.get('user_id'):
+            return jsonify({'error': 'unauthorized'}), 401
+        return fn(*args, **kwargs)
+    return wrapper
+
+def log(action, detail=''):
+    """记录操作日志"""
+    try:
+        conn = get_db()
+        c = conn.cursor()
+        uid = session.get('user_id')
+        username = session.get('username', 'system')
+        ts = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
+        c.execute('INSERT INTO operations_log(user_id, action, detail, ts) VALUES (?,?,?,?)',
+                 (uid, action, detail, ts))
+        conn.commit()
+        conn.close()
+    except Exception as e:
+        print(f'Log error: {e}')
+
+# ==================== 数据库表初始化 ====================
+def init_finance_tables():
+    """初始化财务管理相关表"""
+    conn = get_db()
+    c = conn.cursor()
+    
+    # 收支记录表
+    c.execute('''CREATE TABLE IF NOT EXISTS finance_transactions (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        type TEXT NOT NULL,  -- income:收入, expense:支出
+        category TEXT NOT NULL,  -- 类别：货款、运费、工资、租金等
+        amount REAL NOT NULL,
+        currency TEXT DEFAULT 'CNY',
+        date TEXT NOT NULL,
+        description TEXT,
+        related_party TEXT,  -- 关联方：客户/供应商名称
+        related_party_type TEXT,  -- 关联方类型：customer/supplier
+        order_no TEXT,  -- 关联订单号
+        payment_method TEXT,  -- 支付方式：cash/transfer/alipay/wechat
+        status TEXT DEFAULT 'confirmed',  -- confirmed/pending/cancelled
+        attachments TEXT,  -- JSON格式附件列表
+        created_by INTEGER,
+        created_at TEXT DEFAULT CURRENT_TIMESTAMP,
+        updated_at TEXT DEFAULT CURRENT_TIMESTAMP
+    )''')
+    
+    # 客户对账表
+    c.execute('''CREATE TABLE IF NOT EXISTS finance_customer_reconciliation (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        customer_name TEXT NOT NULL,
+        customer_code TEXT,
+        period_start TEXT NOT NULL,
+        period_end TEXT NOT NULL,
+        opening_balance REAL DEFAULT 0,  -- 期初余额
+        total_income REAL DEFAULT 0,  -- 本期应收
+        total_paid REAL DEFAULT 0,  -- 本期已收
+        closing_balance REAL DEFAULT 0,  -- 期末余额
+        statement_status TEXT DEFAULT 'unconfirmed',  -- unconfirmed/confirmed/disputed
+        statement_date TEXT,
+        confirmed_by TEXT,
+        confirmed_at TEXT,
+        notes TEXT,
+        created_at TEXT DEFAULT CURRENT_TIMESTAMP
+    )''')
+    
+    # 供应商对账表
+    c.execute('''CREATE TABLE IF NOT EXISTS finance_supplier_reconciliation (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        supplier_name TEXT NOT NULL,
+        supplier_code TEXT,
+        period_start TEXT NOT NULL,
+        period_end TEXT NOT NULL,
+        opening_balance REAL DEFAULT 0,
+        total_expense REAL DEFAULT 0,  -- 本期应付
+        total_paid REAL DEFAULT 0,  -- 本期已付
+        closing_balance REAL DEFAULT 0,
+        statement_status TEXT DEFAULT 'unconfirmed',
+        statement_date TEXT,
+        confirmed_by TEXT,
+        confirmed_at TEXT,
+        notes TEXT,
+        created_at TEXT DEFAULT CURRENT_TIMESTAMP
+    )''')
+    
+    # 发票管理表
+    c.execute('''CREATE TABLE IF NOT EXISTS finance_invoices (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        invoice_type TEXT NOT NULL,  -- input:进项发票, output:销项发票
+        invoice_no TEXT NOT NULL UNIQUE,
+        invoice_code TEXT,
+        amount REAL NOT NULL,
+        tax_amount REAL,
+        total_amount REAL,
+        issue_date TEXT NOT NULL,
+        related_party TEXT,  -- 开票方/收票方
+        related_party_type TEXT,  -- customer/supplier
+        order_no TEXT,
+        status TEXT DEFAULT 'normal',  -- normal/voided
+        verification_status TEXT DEFAULT 'unverified',  -- unverified/verified
+        verification_date TEXT,
+        attachment_url TEXT,
+        notes TEXT,
+        created_by INTEGER,
+        created_at TEXT DEFAULT CURRENT_TIMESTAMP
+    )''')
+    
+    # 账期提醒配置表
+    c.execute('''CREATE TABLE IF NOT EXISTS finance_payment_terms (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        party_type TEXT NOT NULL,  -- customer/supplier
+        party_name TEXT NOT NULL,
+        party_code TEXT,
+        credit_limit REAL DEFAULT 0,  -- 信用额度
+        credit_days INTEGER DEFAULT 30,  -- 账期天数
+        warning_days INTEGER DEFAULT 7,  -- 提前预警天数
+        current_balance REAL DEFAULT 0,
+        last_transaction_date TEXT,
+        alert_enabled INTEGER DEFAULT 1,
+        created_at TEXT DEFAULT CURRENT_TIMESTAMP
+    )''')
+    
+    # 创建索引
+    c.execute('CREATE INDEX IF NOT EXISTS idx_transactions_date ON finance_transactions(date)')
+    c.execute('CREATE INDEX IF NOT EXISTS idx_transactions_type ON finance_transactions(type)')
+    c.execute('CREATE INDEX IF NOT EXISTS idx_transactions_party ON finance_transactions(related_party)')
+    c.execute('CREATE INDEX IF NOT EXISTS idx_customer_rec_period ON finance_customer_reconciliation(period_start, period_end)')
+    c.execute('CREATE INDEX IF NOT EXISTS idx_supplier_rec_period ON finance_supplier_reconciliation(period_start, period_end)')
+    c.execute('CREATE INDEX IF NOT EXISTS idx_invoices_no ON finance_invoices(invoice_no)')
+    c.execute('CREATE INDEX IF NOT EXISTS idx_invoices_date ON finance_invoices(issue_date)')
+    
+    conn.commit()
+    conn.close()
+    print("财务管理表初始化完成")
+
+# ==================== API路由定义 ====================
+
+# 收支管理API
+@finance_bp.route('/transactions', methods=['GET'])
+@require_login
+def list_transactions():
+    """获取收支流水列表"""
+    try:
+        conn = get_db()
+        c = conn.cursor()
+        
+        # 获取查询参数
+        page = request.args.get('page', 1, type=int)
+        per_page = request.args.get('per_page', 20, type=int)
+        type_filter = request.args.get('type')  # income/expense
+        start_date = request.args.get('start_date')
+        end_date = request.args.get('end_date')
+        category = request.args.get('category')
+        related_party = request.args.get('related_party')
+        
+        # 构建查询
+        where_clauses = []
+        params = []
+        
+        if type_filter:
+            where_clauses.append('type = ?')
+            params.append(type_filter)
+        if start_date:
+            where_clauses.append('date >= ?')
+            params.append(start_date)
+        if end_date:
+            where_clauses.append('date <= ?')
+            params.append(end_date)
+        if category:
+            where_clauses.append('category = ?')
+            params.append(category)
+        if related_party:
+            where_clauses.append('related_party LIKE ?')
+            params.append(f'%{related_party}%')
+        
+        where_sql = ' AND '.join(where_clauses) if where_clauses else '1=1'
+        
+        # 获取总数
+        c.execute(f'SELECT COUNT(*) as count FROM finance_transactions WHERE {where_sql}', params)
+        total = c.fetchone()['count']
+        
+        # 获取数据
+        offset = (page - 1) * per_page
+        c.execute(f'''
+            SELECT * FROM finance_transactions 
+            WHERE {where_sql}
+            ORDER BY date DESC, id DESC
+            LIMIT ? OFFSET ?
+        ''', params + [per_page, offset])
+        
+        rows = [dict(r) for r in c.fetchall()]
+        conn.close()
+        
+        return jsonify({
+            'ok': True,
+            'data': rows,
+            'pagination': {
+                'page': page,
+                'per_page': per_page,
+                'total': total,
+                'total_pages': (total + per_page - 1) // per_page
+            }
+        })
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+@finance_bp.route('/transactions', methods=['POST'])
+@require_login
+def create_transaction():
+    """创建收支记录"""
+    try:
+        data = request.get_json()
+        conn = get_db()
+        c = conn.cursor()
+        
+        c.execute('''
+            INSERT INTO finance_transactions 
+            (type, category, amount, currency, date, description, related_party, 
+             related_party_type, order_no, payment_method, status, created_by)
+            VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+        ''', (
+            data.get('type'), data.get('category'), data.get('amount'),
+            data.get('currency', 'CNY'), data.get('date'), data.get('description'),
+            data.get('related_party'), data.get('related_party_type'),
+            data.get('order_no'), data.get('payment_method'), 
+            data.get('status', 'confirmed'), session.get('user_id')
+        ))
+        
+        conn.commit()
+        new_id = c.lastrowid
+        conn.close()
+        
+        log('finance_transaction_create', f'创建收支记录 ID:{new_id}')
+        
+        return jsonify({'ok': True, 'id': new_id})
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+@finance_bp.route('/transactions/stats', methods=['GET'])
+@require_login
+def transaction_stats():
+    """获取收支统计"""
+    try:
+        conn = get_db()
+        c = conn.cursor()
+        
+        # 默认查询本月
+        today = datetime.now()
+        start_of_month = today.replace(day=1).strftime('%Y-%m-%d')
+        
+        # 本月收入
+        c.execute('''
+            SELECT COALESCE(SUM(amount), 0) as total 
+            FROM finance_transactions 
+            WHERE type = 'income' AND date >= ?
+        ''', (start_of_month,))
+        month_income = c.fetchone()['total']
+        
+        # 本月支出
+        c.execute('''
+            SELECT COALESCE(SUM(amount), 0) as total 
+            FROM finance_transactions 
+            WHERE type = 'expense' AND date >= ?
+        ''', (start_of_month,))
+        month_expense = c.fetchone()['total']
+        
+        # 按类别统计
+        c.execute('''
+            SELECT category, type, COALESCE(SUM(amount), 0) as total
+            FROM finance_transactions
+            WHERE date >= ?
+            GROUP BY category, type
+        ''', (start_of_month,))
+        
+        by_category = {}
+        for row in c.fetchall():
+            cat = row['category']
+            if cat not in by_category:
+                by_category[cat] = {'income': 0, 'expense': 0}
+            by_category[cat][row['type']] = row['total']
+        
+        conn.close()
+        
+        return jsonify({
+            'ok': True,
+            'stats': {
+                'month_income': month_income,
+                'month_expense': month_expense,
+                'month_net': month_income - month_expense,
+                'by_category': by_category
+            }
+        })
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+# 客户对账API - 从对账单表(reconciliations)聚合数据
+@finance_bp.route('/customer-reconciliation', methods=['GET'])
+@require_login
+def list_customer_reconciliation():
+    """获取客户对账列表 - 从对账单表聚合"""
+    try:
+        conn = get_db()
+        c = conn.cursor()
+        
+        customer = request.args.get('customer')  # 合同号/客户名称
+        period = request.args.get('period')  # YYYY-MM，不传则显示所有历史数据
+        merge_by_customer = request.args.get('merge') == 'true'  # 是否按客户名称整合
+        
+        # 如果传了period参数，按月份筛选；否则查询所有数据
+        if period:
+            year, month = period.split('-')
+            period_start = f"{year}-{month}-01"
+            if month == '12':
+                period_end = f"{int(year)+1}-01-01"
+            else:
+                period_end = f"{year}-{int(month)+1:02d}-01"
+            date_filter = "REPLACE(r.order_date, '/', '-') >= ? AND REPLACE(r.order_date, '/', '-') < ?"
+            date_params = [period_start, period_end]
+            period_label = f"{year}年{month}月"
+        else:
+            # 查询所有历史数据
+            date_filter = "1=1"
+            date_params = []
+            period_start = "1970-01-01"  # 用于期初计算
+            period_end = "2099-12-31"
+            period_label = "全部历史"
+        
+        # 查询所有客户的对账单聚合
+        # 通过LEFT JOIN关联customer_orders表，根据contract_no=order_no获取客户名称
+        if merge_by_customer:
+            # 按客户名称整合模式：同一客户的多个合同号合并
+            query = f'''
+                SELECT 
+                    r.contract_no,
+                    COALESCE(co.customer_name, r.contract_no) as customer_name,
+                    COUNT(*) as order_count,
+                    COALESCE(SUM(r.total_amount), 0) as total_amount,
+                    COALESCE(SUM(r.quantity), 0) as total_qty,
+                    MIN(REPLACE(r.order_date, '/', '-')) as first_order_date,
+                    MAX(REPLACE(r.order_date, '/', '-')) as last_order_date,
+                    GROUP_CONCAT(DISTINCT r.material_name) as materials
+                FROM reconciliations r
+                LEFT JOIN customer_orders co ON r.contract_no = co.order_no
+                WHERE {date_filter}
+            '''
+            params = list(date_params)
+            
+            if customer:
+                query += ' AND (r.contract_no LIKE ? OR co.customer_name LIKE ?)'
+                params.extend([f'%{customer}%', f'%{customer}%'])
+            
+            query += ' GROUP BY COALESCE(co.customer_name, r.contract_no) ORDER BY last_order_date DESC'
+        else:
+            # 默认分开显示模式：每个合同号单独显示
+            query = f'''
+                SELECT 
+                    r.contract_no,
+                    COALESCE(co.customer_name, r.contract_no) as customer_name,
+                    COUNT(*) as order_count,
+                    COALESCE(SUM(r.total_amount), 0) as total_amount,
+                    COALESCE(SUM(r.quantity), 0) as total_qty,
+                    MIN(REPLACE(r.order_date, '/', '-')) as first_order_date,
+                    MAX(REPLACE(r.order_date, '/', '-')) as last_order_date,
+                    GROUP_CONCAT(DISTINCT r.material_name) as materials
+                FROM reconciliations r
+                LEFT JOIN customer_orders co ON r.contract_no = co.order_no
+                WHERE {date_filter}
+            '''
+            params = list(date_params)
+            
+            if customer:
+                query += ' AND (r.contract_no LIKE ? OR co.customer_name LIKE ?)'
+                params.extend([f'%{customer}%', f'%{customer}%'])
+            
+            query += ' GROUP BY r.contract_no ORDER BY last_order_date DESC'
+        
+        c.execute(query, params)
+        rows = [dict(r) for r in c.fetchall()]
+        
+        # 计算每个客户的期初余额和回款
+        result = []
+        for row in rows:
+            customer_name = row['customer_name']
+            contract_no = row['contract_no']
+            
+            if merge_by_customer:
+                # 整合模式：获取该客户关联的所有合同号
+                c.execute('''
+                    SELECT DISTINCT r.contract_no 
+                    FROM reconciliations r
+                    LEFT JOIN customer_orders co ON r.contract_no = co.order_no
+                    WHERE COALESCE(co.customer_name, r.contract_no) = ?
+                ''', (customer_name,))
+                contract_list = [r['contract_no'] for r in c.fetchall()]
+            else:
+                # 分开显示模式：只查当前合同号
+                contract_list = [contract_no]
+            
+            # 构建合同号占位符
+            if contract_list:
+                placeholders = ','.join(['?' for _ in contract_list])
+            else:
+                placeholders = "'NULL'"  # 防止空列表
+                contract_list = []
+            
+            if period:
+                # 查询历史累计应收（本月之前）
+                opening_query = f'''
+                    SELECT COALESCE(SUM(total_amount), 0) as opening_balance
+                    FROM reconciliations
+                    WHERE contract_no IN ({placeholders}) AND REPLACE(order_date, '/', '-') < ?
+                '''
+                c.execute(opening_query, contract_list + [period_start])
+                opening = c.fetchone()['opening_balance'] or 0
+                
+                # 查询本期回款
+                c.execute('''
+                    SELECT COALESCE(SUM(amount), 0) as total_paid
+                    FROM finance_transactions
+                    WHERE related_party = ? AND type = 'income' 
+                    AND category = '货款' AND date >= ? AND date < ?
+                ''', (customer_name, period_start, period_end))
+                paid = c.fetchone()['total_paid'] or 0
+                
+                current_period_amount = row['total_amount']
+            else:
+                # 全部历史模式
+                opening = 0
+                
+                # 查询所有历史回款
+                c.execute('''
+                    SELECT COALESCE(SUM(amount), 0) as total_paid
+                    FROM finance_transactions
+                    WHERE related_party = ? AND type = 'income' AND category = '货款'
+                ''', (customer_name,))
+                paid = c.fetchone()['total_paid'] or 0
+                
+                current_period_amount = row['total_amount']
+            
+            # 计算期末余额
+            closing = opening + current_period_amount - paid
+            
+            result.append({
+                'contract_no': row['contract_no'],
+                'customer_name': row['customer_name'],
+                'period_label': period_label,
+                'order_count': row['order_count'],
+                'opening_balance': opening,
+                'total_income': current_period_amount,
+                'total_paid': paid,
+                'closing_balance': closing,
+                'total_qty': row['total_qty'],
+                'materials': row['materials'],
+                'first_order_date': row['first_order_date'],
+                'last_order_date': row['last_order_date'],
+                'has_period_filter': period is not None,
+                'is_merged': merge_by_customer
+            })
+        
+        conn.close()
+        
+        return jsonify({'ok': True, 'data': result, 'period_label': period_label})
+    except Exception as e:
+        import traceback
+        traceback.print_exc()
+        return jsonify({'error': str(e)}), 500
+
+@finance_bp.route('/customer-reconciliation/update', methods=['POST'])
+@require_login
+def update_customer_name():
+    """更新客户订单表中的客户名称"""
+    try:
+        data = request.get_json()
+        order_no = data.get('order_no')
+        customer_name = data.get('customer_name')
+        
+        if not order_no or not customer_name:
+            return jsonify({'error': '缺少必要参数'}), 400
+        
+        conn = get_db()
+        c = conn.cursor()
+        
+        # 检查customer_orders表中是否存在该订单号
+        c.execute('SELECT id FROM customer_orders WHERE order_no = ?', (order_no,))
+        row = c.fetchone()
+        
+        if row:
+            # 更新现有记录
+            c.execute('''
+                UPDATE customer_orders 
+                SET customer_name = ?, updated_at = ?
+                WHERE order_no = ?
+            ''', (customer_name, datetime.now().strftime('%Y-%m-%d %H:%M:%S'), order_no))
+        else:
+            # 插入新记录（如果合同号在customer_orders中不存在）
+            # 需要先获取一些默认字段值
+            c.execute('''
+                INSERT INTO customer_orders 
+                (order_no, customer_name, order_date, material, quantity, unit_price, created_at, updated_at)
+                VALUES (?, ?, ?, ?, ?, ?, ?, ?)
+            ''', (order_no, customer_name, datetime.now().strftime('%Y-%m-%d'), 
+                  '默认物料', 0, 0, datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
+                  datetime.now().strftime('%Y-%m-%d %H:%M:%S')))
+        
+        conn.commit()
+        conn.close()
+        
+        log('update_customer_name', f'更新合同号 {order_no} 的客户名称为 {customer_name}')
+        
+        return jsonify({'ok': True, 'message': '客户名称已更新'})
+    except Exception as e:
+        import traceback
+        traceback.print_exc()
+        return jsonify({'error': str(e)}), 500
+
+@finance_bp.route('/customer-reconciliation/generate', methods=['POST'])
+@require_login
+def generate_customer_statement():
+    """生成客户对账单"""
+    try:
+        data = request.get_json()
+        customer_name = data.get('customer_name')
+        period_start = data.get('period_start')
+        period_end = data.get('period_end')
+        
+        conn = get_db()
+        c = conn.cursor()
+        
+        # 计算期初余额
+        c.execute('''
+            SELECT COALESCE(SUM(CASE WHEN type='income' THEN amount ELSE -amount END), 0) as balance
+            FROM finance_transactions
+            WHERE related_party = ? AND date < ?
+        ''', (customer_name, period_start))
+        opening_balance = c.fetchone()['balance']
+        
+        # 计算本期应收
+        c.execute('''
+            SELECT COALESCE(SUM(amount), 0) as total
+            FROM finance_transactions
+            WHERE related_party = ? AND type='income' AND date BETWEEN ? AND ?
+        ''', (customer_name, period_start, period_end))
+        total_income = c.fetchone()['total']
+        
+        # 计算本期已收
+        c.execute('''
+            SELECT COALESCE(SUM(amount), 0) as total
+            FROM finance_transactions
+            WHERE related_party = ? AND type='expense' AND category='回款' AND date BETWEEN ? AND ?
+        ''', (customer_name, period_start, period_end))
+        total_paid = c.fetchone()['total']
+        
+        closing_balance = opening_balance + total_income - total_paid
+        
+        # 保存对账单
+        c.execute('''
+            INSERT INTO finance_customer_reconciliation
+            (customer_name, period_start, period_end, opening_balance, total_income, total_paid, closing_balance)
+            VALUES (?, ?, ?, ?, ?, ?, ?)
+        ''', (customer_name, period_start, period_end, opening_balance, total_income, total_paid, closing_balance))
+        
+        conn.commit()
+        new_id = c.lastrowid
+        conn.close()
+        
+        return jsonify({'ok': True, 'id': new_id})
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+# 供应商对账API
+@finance_bp.route('/supplier-reconciliation', methods=['GET'])
+@require_login
+def list_supplier_reconciliation():
+    """获取供应商对账列表"""
+    try:
+        conn = get_db()
+        c = conn.cursor()
+        
+        supplier = request.args.get('supplier')
+        period = request.args.get('period')
+        
+        where_clauses = []
+        params = []
+        
+        if supplier:
+            where_clauses.append('supplier_name LIKE ?')
+            params.append(f'%{supplier}%')
+        if period:
+            where_clauses.append("strftime('%Y-%m', period_start) = ?")
+            params.append(period)
+        
+        where_sql = ' AND '.join(where_clauses) if where_clauses else '1=1'
+        
+        c.execute(f'''
+            SELECT * FROM finance_supplier_reconciliation
+            WHERE {where_sql}
+            ORDER BY period_end DESC
+        ''', params)
+        
+        rows = [dict(r) for r in c.fetchall()]
+        conn.close()
+        
+        return jsonify({'ok': True, 'data': rows})
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+# 发票管理API
+@finance_bp.route('/invoices', methods=['GET'])
+@require_login
+def list_invoices():
+    """获取发票列表"""
+    try:
+        conn = get_db()
+        c = conn.cursor()
+        
+        invoice_type = request.args.get('type')  # input/output
+        status = request.args.get('status')
+        start_date = request.args.get('start_date')
+        end_date = request.args.get('end_date')
+        
+        where_clauses = []
+        params = []
+        
+        if invoice_type:
+            where_clauses.append('invoice_type = ?')
+            params.append(invoice_type)
+        if status:
+            where_clauses.append('status = ?')
+            params.append(status)
+        if start_date:
+            where_clauses.append('issue_date >= ?')
+            params.append(start_date)
+        if end_date:
+            where_clauses.append('issue_date <= ?')
+            params.append(end_date)
+        
+        where_sql = ' AND '.join(where_clauses) if where_clauses else '1=1'
+        
+        c.execute(f'''
+            SELECT * FROM finance_invoices
+            WHERE {where_sql}
+            ORDER BY issue_date DESC
+        ''', params)
+        
+        rows = [dict(r) for r in c.fetchall()]
+        conn.close()
+        
+        return jsonify({'ok': True, 'data': rows})
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+@finance_bp.route('/invoices', methods=['POST'])
+@require_login
+def create_invoice():
+    """创建发票记录"""
+    try:
+        data = request.get_json()
+        conn = get_db()
+        c = conn.cursor()
+        
+        c.execute('''
+            INSERT INTO finance_invoices
+            (invoice_type, invoice_no, invoice_code, amount, tax_amount, total_amount,
+             issue_date, related_party, related_party_type, order_no, notes, created_by)
+            VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+        ''', (
+            data.get('invoice_type'), data.get('invoice_no'), data.get('invoice_code'),
+            data.get('amount'), data.get('tax_amount'), data.get('total_amount'),
+            data.get('issue_date'), data.get('related_party'), data.get('related_party_type'),
+            data.get('order_no'), data.get('notes'), session.get('user_id')
+        ))
+        
+        conn.commit()
+        new_id = c.lastrowid
+        conn.close()
+        
+        return jsonify({'ok': True, 'id': new_id})
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+@finance_bp.route('/invoices/stats', methods=['GET'])
+@require_login
+def invoice_stats():
+    """获取发票统计"""
+    try:
+        conn = get_db()
+        c = conn.cursor()
+        
+        # 默认本月
+        today = datetime.now()
+        start_of_month = today.replace(day=1).strftime('%Y-%m-%d')
+        
+        # 进项发票统计
+        c.execute('''
+            SELECT COUNT(*) as count, COALESCE(SUM(total_amount), 0) as total
+            FROM finance_invoices
+            WHERE invoice_type = 'input' AND issue_date >= ? AND status = 'normal'
+        ''', (start_of_month,))
+        input_data = c.fetchone()
+        
+        # 销项发票统计
+        c.execute('''
+            SELECT COUNT(*) as count, COALESCE(SUM(total_amount), 0) as total
+            FROM finance_invoices
+            WHERE invoice_type = 'output' AND issue_date >= ? AND status = 'normal'
+        ''', (start_of_month,))
+        output_data = c.fetchone()
+        
+        conn.close()
+        
+        return jsonify({
+            'ok': True,
+            'stats': {
+                'input': {'count': input_data['count'], 'total': input_data['total']},
+                'output': {'count': output_data['count'], 'total': output_data['total']}
+            }
+        })
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+# 账期提醒API
+@finance_bp.route('/payment-terms', methods=['GET'])
+@require_login
+def list_payment_terms():
+    """获取账期提醒配置"""
+    try:
+        conn = get_db()
+        c = conn.cursor()
+        
+        party_type = request.args.get('party_type')  # customer/supplier
+        alert_only = request.args.get('alert_only', 'false') == 'true'
+        
+        where_clauses = []
+        params = []
+        
+        if party_type:
+            where_clauses.append('party_type = ?')
+            params.append(party_type)
+        if alert_only:
+            where_clauses.append('alert_enabled = 1')
+        
+        where_sql = ' AND '.join(where_clauses) if where_clauses else '1=1'
+        
+        c.execute(f'''
+            SELECT * FROM finance_payment_terms
+            WHERE {where_sql}
+            ORDER BY current_balance DESC
+        ''', params)
+        
+        rows = [dict(r) for r in c.fetchall()]
+        conn.close()
+        
+        return jsonify({'ok': True, 'data': rows})
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+@finance_bp.route('/payment-terms/alerts', methods=['GET'])
+@require_login
+def get_payment_alerts():
+    """获取账期预警"""
+    try:
+        conn = get_db()
+        c = conn.cursor()
+        
+        today = datetime.now().strftime('%Y-%m-%d')
+        
+        # 查找超过账期或即将到期的
+        c.execute('''
+            SELECT pt.*, 
+                   julianday(?) - julianday(pt.last_transaction_date) as days_passed,
+                   pt.credit_days - (julianday(?) - julianday(pt.last_transaction_date)) as days_remaining
+            FROM finance_payment_terms pt
+            WHERE pt.alert_enabled = 1
+            AND pt.current_balance > 0
+            AND (julianday(?) - julianday(pt.last_transaction_date)) >= (pt.credit_days - pt.warning_days)
+            ORDER BY days_passed DESC
+        ''', (today, today, today))
+        
+        rows = [dict(r) for r in c.fetchall()]
+        conn.close()
+        
+        return jsonify({'ok': True, 'data': rows})
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+# 经营统计API
+@finance_bp.route('/business-stats', methods=['GET'])
+@require_login
+def business_stats():
+    """获取经营统计"""
+    try:
+        conn = get_db()
+        c = conn.cursor()
+        
+        # 查询日期范围
+        days = request.args.get('days', 30, type=int)
+        end_date = datetime.now()
+        start_date = end_date - timedelta(days=days)
+        
+        # 收支趋势（按天）
+        c.execute('''
+            SELECT date, 
+                   COALESCE(SUM(CASE WHEN type='income' THEN amount ELSE 0 END), 0) as income,
+                   COALESCE(SUM(CASE WHEN type='expense' THEN amount ELSE 0 END), 0) as expense
+            FROM finance_transactions
+            WHERE date BETWEEN ? AND ?
+            GROUP BY date
+            ORDER BY date
+        ''', (start_date.strftime('%Y-%m-%d'), end_date.strftime('%Y-%m-%d')))
+        
+        trend = [dict(r) for r in c.fetchall()]
+        
+        # 总体统计
+        c.execute('''
+            SELECT 
+                COALESCE(SUM(CASE WHEN type='income' THEN amount ELSE 0 END), 0) as total_income,
+                COALESCE(SUM(CASE WHEN type='expense' THEN amount ELSE 0 END), 0) as total_expense
+            FROM finance_transactions
+            WHERE date BETWEEN ? AND ?
+        ''', (start_date.strftime('%Y-%m-%d'), end_date.strftime('%Y-%m-%d')))
+        
+        summary = dict(c.fetchone())
+        
+        # 客户应收Top10
+        c.execute('''
+            SELECT related_party, 
+                   COALESCE(SUM(CASE WHEN type='income' THEN amount ELSE -amount END), 0) as balance
+            FROM finance_transactions
+            WHERE related_party_type = 'customer'
+            GROUP BY related_party
+            HAVING balance > 0
+            ORDER BY balance DESC
+            LIMIT 10
+        ''')
+        
+        customer_receivables = [dict(r) for r in c.fetchall()]
+        
+        # 供应商应付Top10
+        c.execute('''
+            SELECT related_party, 
+                   COALESCE(SUM(CASE WHEN type='expense' THEN amount ELSE -amount END), 0) as balance
+            FROM finance_transactions
+            WHERE related_party_type = 'supplier'
+            GROUP BY related_party
+            HAVING balance > 0
+            ORDER BY balance DESC
+            LIMIT 10
+        ''')
+        
+        supplier_payables = [dict(r) for r in c.fetchall()]
+        
+        conn.close()
+        
+        return jsonify({
+            'ok': True,
+            'stats': {
+                'trend': trend,
+                'summary': summary,
+                'customer_receivables': customer_receivables,
+                'supplier_payables': supplier_payables
+            }
+        })
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+# 对账统计API
+@finance_bp.route('/reconciliation-stats', methods=['GET'])
+@require_login
+def reconciliation_stats():
+    """获取对账统计"""
+    try:
+        conn = get_db()
+        c = conn.cursor()
+        
+        # 客户对账统计
+        c.execute('''
+            SELECT 
+                COUNT(*) as total_statements,
+                SUM(CASE WHEN statement_status = 'confirmed' THEN 1 ELSE 0 END) as confirmed,
+                SUM(CASE WHEN statement_status = 'unconfirmed' THEN 1 ELSE 0 END) as unconfirmed,
+                SUM(CASE WHEN statement_status = 'disputed' THEN 1 ELSE 0 END) as disputed,
+                COALESCE(SUM(closing_balance), 0) as total_balance
+            FROM finance_customer_reconciliation
+            WHERE period_end >= date('now', 'start of month')
+        ''')
+        customer_stats = dict(c.fetchone())
+        
+        # 供应商对账统计
+        c.execute('''
+            SELECT 
+                COUNT(*) as total_statements,
+                SUM(CASE WHEN statement_status = 'confirmed' THEN 1 ELSE 0 END) as confirmed,
+                SUM(CASE WHEN statement_status = 'unconfirmed' THEN 1 ELSE 0 END) as unconfirmed,
+                SUM(CASE WHEN statement_status = 'disputed' THEN 1 ELSE 0 END) as disputed,
+                COALESCE(SUM(closing_balance), 0) as total_balance
+            FROM finance_supplier_reconciliation
+            WHERE period_end >= date('now', 'start of month')
+        ''')
+        supplier_stats = dict(c.fetchone())
+        
+        conn.close()
+        
+        return jsonify({
+            'ok': True,
+            'stats': {
+                'customer': customer_stats,
+                'supplier': supplier_stats
+            }
+        })
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500
+
+# 初始化函数
+@finance_bp.route('/init', methods=['POST'])
+@require_login
+def init_finance():
+    """初始化财务模块（仅管理员）"""
+    try:
+        if session.get('role') not in ['admin', 'superadmin']:
+            return jsonify({'error': 'forbidden'}), 403
+        
+        init_finance_tables()
+        return jsonify({'ok': True, 'message': '财务管理模块初始化成功'})
+    except Exception as e:
+        return jsonify({'error': str(e)}), 500