备份灯条新增自定义备份名称

src/lightstripmanager.cpp

@@ -5,6 +5,8 @@
 #include <QFile>
 #include <QJsonArray>
 #include <QFileDialog>
+#include <QInputDialog>
+#include <QFileInfo>
 #include <QJsonDocument>
 #include <QJsonObject>
 // 如果不再需要可以删除: #include <QRandomGenerator>
@@ -213,7 +215,7 @@ void LightStripManager::setupControlPanel()
     connect(refreshBtn, &QPushButton::clicked, this, &LightStripManager::onRefreshClicked);
     
     // 新增：备份按钮
-    backupBtn = new QPushButton("备份列表");
+    backupBtn = new QPushButton("备份灯条");
     backupBtn->setMinimumHeight(35);
     backupBtn->setStyleSheet(
         "QPushButton { "
@@ -1040,13 +1042,31 @@ void LightStripManager::onBackupClicked()
         return;
     }
     
-    // 执行备份
-    backupSnList();
-    
+    // 弹出输入框，支持自定义备份文件名
+    bool ok = false;
+    QString inputName = QInputDialog::getText(
+        this,
+        "输入备份文件名",
+        "备份文件名(可留空自动生成):",
+        QLineEdit::Normal,
+        "",
+        &ok
+    );
+    if (!ok) {
+        return; // 用户取消
+    }
+
+    // 执行备份：使用用户输入或自动生成的文件名
+    if (inputName.trimmed().isEmpty()) {
+        backupSnList();
+    } else {
+        createBackupFile(inputName.trimmed());
+    }
+
     // 显示备份成功消息
     QMessageBox msgBox;
     msgBox.setWindowTitle("备份完成");
-    msgBox.setText(QString("已成功备份 %1 个灯条SN到新文件。\n备份文件保存在应用数据目录的backups文件夹中。").arg(uniqueSnSet.size()));
+    msgBox.setText(QString("已成功备份 %1 个灯条SN。\n备份文件保存在应用数据目录的backups文件夹中。").arg(uniqueSnSet.size()));
     msgBox.setIcon(QMessageBox::Information);
     msgBox.setStyleSheet(
         "QMessageBox { "
@@ -2128,6 +2148,76 @@ QString LightStripManager::generateBackupFileName() const
     return QString("lightstrip_sn_backup_%1.json").arg(timestamp);
 }
 
+void LightStripManager::createBackupFile(const QString &fileName)
+{
+    QString backupDir = QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/backups";
+    
+    // 创建备份目录
+    QDir dir;
+    if (!dir.exists(backupDir)) {
+        if (!dir.mkpath(backupDir)) {
+            qDebug() << "创建备份目录失败:" << backupDir;
+            return;
+        }
+    }
+    
+    QString finalFileName = fileName;
+    if (finalFileName.trimmed().isEmpty()) {
+        finalFileName = generateBackupFileName();
+    }
+    if (!finalFileName.endsWith(".json", Qt::CaseInsensitive)) {
+        finalFileName += ".json";
+    }
+    QString backupFilePath = backupDir + "/" + finalFileName;
+
+    // 若文件已存在，弹出确认是否覆盖
+    QFileInfo fi(backupFilePath);
+    if (fi.exists()) {
+        QMessageBox::StandardButton reply = QMessageBox::question(
+            this,
+            "文件已存在",
+            QString("备份文件 %1 已存在，是否覆盖？").arg(finalFileName),
+            QMessageBox::Yes | QMessageBox::No,
+            QMessageBox::No
+        );
+        if (reply != QMessageBox::Yes) {
+            qDebug() << "用户取消覆盖，备份中止";
+            return;
+        }
+    }
+    
+    // 创建备份文件内容
+    QJsonObject backupData;
+    backupData["timestamp"] = QDateTime::currentDateTime().toString(Qt::ISODate);
+    backupData["version"] = "1.0";
+    backupData["count"] = uniqueSnSet.size();
+    
+    QJsonArray snArray;
+    QStringList snList = uniqueSnSet.values();
+    for (const QString &sn : snList) {
+        QJsonObject snObject;
+        snObject["sn"] = sn;
+        // 如果有电量信息，也一并备份
+        if (batteryInfoMap.contains(sn)) {
+            snObject["battery"] = batteryInfoMap[sn];
+        }
+        snArray.append(snObject);
+    }
+    backupData["lightstrips"] = snArray;
+    
+    // 写入文件
+    QJsonDocument doc(backupData);
+    QFile file(backupFilePath);
+    if (file.open(QIODevice::WriteOnly)) {
+        file.write(doc.toJson());
+        file.close();
+        qDebug() << "SN列表备份成功:" << backupFilePath;
+        qDebug() << "备份了" << uniqueSnSet.size() << "个灯条SN";
+    } else {
+        qDebug() << "创建备份文件失败:" << backupFilePath;
+    }
+}
+
 // 新增：SN列表恢复功能实现
 void LightStripManager::restoreSnList()
 {

src/lightstripmanager.h

@@ -107,6 +107,7 @@ private:
     // 新增：SN列表备份功能
     void backupSnList();
     void createBackupFile();
+    void createBackupFile(const QString &fileName);
     QString generateBackupFileName() const;
     
     // 新增：SN列表恢复功能