feat: 添加配置管理的批量删除，复选框

src/views/system/SettingManage.vue

@@ -22,8 +22,8 @@
             <el-button type="primary" @click="handleAddSetting">
               <el-icon><Plus /></el-icon>新增配置
             </el-button>
-            <el-button type="danger" :disabled="!selectedNode" @click="handleBatchDelete">
+            <el-button type="danger" :disabled="selectedRows.length === 0" @click="handleBatchDelete">
-              <el-icon><Delete /></el-icon>删除选中
+              <el-icon><Delete /></el-icon>批量删除 ({{ selectedRows.length }})
             </el-button>
           </div>
         </div>
@@ -39,7 +39,9 @@
           row-key="id"
           :header-cell-style="{ background: '#fafafa', color: '#333', fontWeight: 600 }"
           class="setting-tree-table"
+          @selection-change="handleSelectionChange"
         >
+          <el-table-column type="selection" width="55" />
           <el-table-column label="名称" min-width="300">
             <template #default="{ row }">
               <div class="tree-item-content" :style="{ paddingLeft: (row.level - 1) * 24 + 'px' }">
@@ -727,22 +729,74 @@ const resetQuery = () => {
 
 // 批量删除
 const handleBatchDelete = () => {
-  if (!selectedNode.value) {
+  if (selectedRows.value.length === 0) {
     ElMessage.warning('请先选择要删除的项目')
     return
   }
   
-  const type = selectedNode.value.type
+  // 分离配置组和配置项
-  const data = selectedNode.value.data
+  const groups = selectedRows.value.filter(row => row.type === 'group')
+  const settings = selectedRows.value.filter(row => row.type === 'setting')
+  
+  let confirmMessage = ''
+  if (groups.length > 0 && settings.length > 0) {
+    confirmMessage = `确认删除选中的 ${groups.length} 个配置组和 ${settings.length} 个配置项吗？删除配置组将同时删除其下的所有配置项。`
+  } else if (groups.length > 0) {
+    confirmMessage = `确认删除选中的 ${groups.length} 个配置组吗？删除配置组将同时删除其下的所有配置项。`
+  } else {
+    confirmMessage = `确认删除选中的 ${settings.length} 个配置项吗？`
+  }
+  
+  ElMessageBox.confirm(confirmMessage, '批量删除警告', {
+    confirmButtonText: '确定',
+    cancelButtonText: '取消',
+    type: 'warning'
+  }).then(async () => {
+    const deletePromises = []
+    
+    // 删除配置组
+    groups.forEach(row => {
+      deletePromises.push(deleteSettingGroup({ setting_group_id: row.data.id }))
+    })
+    
+    // 删除配置项
+    settings.forEach(row => {
+      deletePromises.push(deleteSetting({ id: row.data.id }))
+    })
+    
+    try {
+      const results = await Promise.all(deletePromises)
+      const successCount = results.filter(res => res.data.code === 200).length
+      
+      if (successCount === selectedRows.value.length) {
+        ElMessage.success('批量删除成功')
+      } else {
+        ElMessage.warning(`成功删除 ${successCount} 项，失败 ${selectedRows.value.length - successCount} 项`)
+      }
+      
+      // 清空选择
+      selectedRows.value = []
+      handleQuery()
+    } catch (error) {
+      console.error('批量删除失败:', error)
+      ElMessage.error('批量删除失败')
+    }
+  }).catch(() => {})
+}
+
+// 删除节点
+const handleDelete = (data) => {
+  const type = data.type
+  const rowData = data.data
   
   if (type === 'group') {
-    ElMessageBox.confirm(`确认删除配置组 "${data.name}" 吗？`, '警告', {
+    ElMessageBox.confirm(`确认删除配置组 "${rowData.name}" 吗？`, '警告', {
       confirmButtonText: '确定',
       cancelButtonText: '取消',
       type: 'warning'
     }).then(async () => {
       try {
-        const res = await deleteSettingGroup({ setting_group_id: data.id })
+        const res = await deleteSettingGroup({ setting_group_id: rowData.id })
         if (res.data.code === 200) {
           ElMessage.success('删除成功')
           handleQuery()
@@ -753,13 +807,13 @@ const handleBatchDelete = () => {
       }
     }).catch(() => {})
   } else if (type === 'setting') {
-    ElMessageBox.confirm(`确认删除配置 "${data.name}" 吗？`, '警告', {
+    ElMessageBox.confirm(`确认删除配置 "${rowData.name}" 吗？`, '警告', {
       confirmButtonText: '确定',
       cancelButtonText: '取消',
       type: 'warning'
     }).then(async () => {
       try {
-        const res = await deleteSetting({ id: data.id })
+        const res = await deleteSetting({ id: rowData.id })
         if (res.data.code === 200) {
           ElMessage.success('删除成功')
           handleQuery()
@@ -772,10 +826,9 @@ const handleBatchDelete = () => {
   }
 }
 
-// 删除节点
+// 处理表格选择变化
-const handleDelete = (data) => {
+const handleSelectionChange = (selection) => {
-  selectedNode.value = data
+  selectedRows.value = selection
-  handleBatchDelete()
 }
 
 // ==================== 配置组方法 ====================