新增批次下载对话框，支持导出生成的兑换码Excel文件，优化用户体验

src/views/links/LinkGenerate.vue

@@ -432,6 +432,42 @@
       </div>
     </el-card>
 
+    <!-- 批次下载对话框 -->
+    <el-dialog
+      v-model="batchDownloadDialog.visible"
+      title="下载本次生成的兑换码"
+      width="400px"
+      :close-on-click-modal="false"
+      :close-on-press-escape="false"
+      class="batch-download-dialog"
+    >
+      <div class="download-content">
+        <div class="download-info">
+          <el-icon class="info-icon"><Download /></el-icon>
+          <div class="info-text">
+            <h4>生成成功！</h4>
+            <p>批次ID: <strong>{{ batchDownloadDialog.batchId }}</strong></p>
+            <p>共生成 <strong>{{ batchDownloadDialog.count }}</strong> 个兑换码</p>
+            <p>是否立即下载本次生成的兑换码Excel文件？</p>
+          </div>
+        </div>
+      </div>
+
+      <template #footer>
+        <div class="dialog-footer">
+          <el-button @click="closeBatchDownloadDialog">取消</el-button>
+          <el-button 
+            type="primary" 
+            @click="downloadCurrentBatch"
+            :loading="batchDownloadDialog.downloading"
+          >
+            <el-icon><Download /></el-icon>
+            立即下载
+          </el-button>
+        </div>
+      </template>
+    </el-dialog>
+
     <!-- 按状态批量删除对话框 -->
     <el-dialog
       v-model="batchDeleteByStatusDialog.visible"
@@ -543,6 +579,14 @@ const batchDeleteByStatusDialog = reactive({
   }
 })
 
+// 批次下载对话框状态
+const batchDownloadDialog = reactive({
+  visible: false,
+  downloading: false,
+  batchId: '',
+  count: 0
+})
+
 // 状态选项
 const statusOptions = [
   { value: 'NEW', label: '新建' },
@@ -597,6 +641,11 @@ const handleGenerate = async () => {
     // 刷新列表
     await refreshList()
     
+    // 弹出批次下载对话框
+    if (result && result.batchId && result.codeNos && result.codeNos.length > 0) {
+      showBatchDownloadDialog(result.batchId, result.codeNos.length)
+    }
+    
     // 重置表单
     resetForm()
     
@@ -938,6 +987,76 @@ const closeBatchDeleteByStatusDialog = () => {
   batchDeleteFormRef.value?.resetFields()
 }
 
+// 批次下载对话框相关方法
+const showBatchDownloadDialog = (batchId, count) => {
+  batchDownloadDialog.visible = true
+  batchDownloadDialog.batchId = batchId
+  batchDownloadDialog.count = count
+  batchDownloadDialog.downloading = false
+}
+
+const closeBatchDownloadDialog = () => {
+  batchDownloadDialog.visible = false
+  batchDownloadDialog.batchId = ''
+  batchDownloadDialog.count = 0
+  batchDownloadDialog.downloading = false
+}
+
+const downloadCurrentBatch = async () => {
+  try {
+    batchDownloadDialog.downloading = true
+    
+    // 根据批次ID筛选当前批次的数据
+    const currentBatchData = linkList.value.filter(item => 
+      item.batchId === batchDownloadDialog.batchId
+    )
+    
+    if (currentBatchData.length === 0) {
+      ElMessage.warning('未找到当前批次的数据，请刷新列表后重试')
+      return
+    }
+    
+    // 准备导出数据
+    const headers = [
+      { key: 'codeNo', label: '兑换码' },
+      { key: 'batchId', label: '批次ID' },
+      { key: 'quantity', label: '数量' },
+      { key: 'times', label: '次数' },
+      { key: 'totalPoints', label: '总积分' },
+      { key: 'statusDesc', label: '状态' },
+      { key: 'remainingTime', label: '剩余时间' },
+      { key: 'linkUrl', label: '链接地址' },
+      { key: 'expireAt', label: '过期时间' },
+      { key: 'createdAt', label: '创建时间' }
+    ]
+    
+    const data = currentBatchData.map(item => ({
+      ...item,
+      remainingTime: item.isExpired ? '已过期' : (item.remainingSeconds > 0 ? formatRemainingTime(item.remainingSeconds) : '-'),
+      linkUrl: generateLinkUrl(item.codeNo),
+      expireAt: formatDateTime(item.expireAt),
+      createdAt: formatDateTime(item.createdAt)
+    }))
+    
+    // 生成文件名
+    const filename = `批次${batchDownloadDialog.batchId}_兑换码_${currentBatchData.length}个_${new Date().toISOString().split('T')[0]}.xlsx`
+    
+    // 导出Excel
+    exportExcelUtil(data, headers, filename)
+    
+    ElMessage.success(`成功导出批次 ${batchDownloadDialog.batchId} 的 ${currentBatchData.length} 个兑换码`)
+    
+    // 关闭对话框
+    closeBatchDownloadDialog()
+    
+  } catch (error) {
+    console.error('批次下载失败:', error)
+    ElMessage.error('下载失败，请重试')
+  } finally {
+    batchDownloadDialog.downloading = false
+  }
+}
+
 const handleBatchDeleteByStatus = async () => {
   try {
     // 表单验证
@@ -1465,6 +1584,69 @@ onUnmounted(() => {
   }
 }
 
+/* 批次下载对话框样式 */
+.batch-download-dialog {
+  text-align: center;
+}
+
+.download-content {
+  padding: 20px 0;
+}
+
+.download-info {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 16px;
+}
+
+.info-icon {
+  font-size: 48px;
+  color: #409eff;
+}
+
+.info-text {
+  text-align: center;
+}
+
+.info-text h4 {
+  margin: 0 0 16px 0;
+  font-size: 18px;
+  color: #303133;
+  font-weight: 600;
+}
+
+.info-text p {
+  margin: 8px 0;
+  font-size: 14px;
+  color: #606266;
+  line-height: 1.5;
+}
+
+.info-text strong {
+  color: #409eff;
+  font-weight: 600;
+}
+
+@media (max-width: 768px) {
+  .batch-download-dialog :deep(.el-dialog) {
+    width: 90% !important;
+    margin: 0 auto !important;
+  }
+  
+  .info-icon {
+    font-size: 40px;
+  }
+  
+  .info-text h4 {
+    font-size: 16px;
+  }
+  
+  .info-text p {
+    font-size: 13px;
+  }
+}
+
 @media (max-width: 480px) {
   .link-generate {
     padding: 8px;