新增支付配置备份导入

frontend/src/features/admin/views/AdminPaymentConfigsView.vue

@@ -1,12 +1,13 @@
 <script setup lang="ts">
 import { ElMessage, ElMessageBox } from 'element-plus'
 import { computed, onMounted, ref } from 'vue'
-import { Plus, Refresh, View, Edit, Delete, Download } from '@element-plus/icons-vue'
+import { Plus, Refresh, View, Edit, Delete, Download, Upload } from '@element-plus/icons-vue'
 
 import {
   fetchPaymentConfigs,
   deletePaymentConfig,
   exportPaymentConfigBackup,
+  importPaymentConfigBackup,
   type PaymentConfig,
 } from '@/features/admin/api/paymentConfig'
 import { formatDateTime } from '@/utils/time'
@@ -19,6 +20,8 @@ const total = ref(0)
 const currentPage = ref(1)
 const pageSize = ref(20)
 const exporting = ref(false)
+const importing = ref(false)
+const backupFileInput = ref<HTMLInputElement | null>(null)
 
 const dialogVisible = ref(false)
 const dialogMode = ref<'create' | 'edit' | 'view'>('create')
@@ -133,6 +136,48 @@ async function handleExportBackup() {
   }
 }
 
+function handleImportBackup() {
+  backupFileInput.value?.click()
+}
+
+async function handleImportFile(event: Event) {
+  const input = event.target as HTMLInputElement
+  const file = input.files?.[0]
+  input.value = ''
+  if (!file) return
+
+  let backup: unknown
+  try {
+    backup = JSON.parse(await file.text())
+  } catch {
+    ElMessage.error('备份文件不是有效的 JSON')
+    return
+  }
+
+  try {
+    await ElMessageBox.confirm(
+      '导入会按服务商和商户号新增或更新配置，并恢复备份中的启用配置。备份文件包含支付密钥明文，请确认来源可信。',
+      '导入支付配置备份',
+      {
+        type: 'warning',
+        confirmButtonText: '导入',
+        cancelButtonText: '取消',
+      },
+    )
+
+    importing.value = true
+    const result = await importPaymentConfigBackup(backup)
+    ElMessage.success(`导入成功：新增 ${result.created} 个，更新 ${result.updated} 个`)
+    await loadConfigs()
+  } catch (error: any) {
+    if (error !== 'cancel' && error !== 'close') {
+      ElMessage.error(readError(error, '导入备份失败'))
+    }
+  } finally {
+    importing.value = false
+  }
+}
+
 function downloadBlob(blob: Blob, filename: string) {
   const url = URL.createObjectURL(blob)
   const link = document.createElement('a')
@@ -221,10 +266,19 @@ function deleteDisabledReason(row: PaymentConfig) {
         <el-option v-for="opt in environmentOptions" :key="opt.value" :label="opt.label" :value="opt.value" />
       </el-select>
       <el-button :icon="Refresh" @click="loadConfigs">刷新</el-button>
+      <el-button :icon="Upload" :loading="importing" @click="handleImportBackup">导入备份</el-button>
       <el-button :icon="Download" :loading="exporting" @click="handleExportBackup">导出备份</el-button>
       <el-button type="primary" :icon="Plus" @click="handleCreate">新增配置</el-button>
     </div>
 
+    <input
+      ref="backupFileInput"
+      class="backup-file-input"
+      type="file"
+      accept="application/json,.json"
+      @change="handleImportFile"
+    />
+
     <el-table
       :data="filteredConfigs"
       v-loading="loading"
@@ -356,6 +410,10 @@ function deleteDisabledReason(row: PaymentConfig) {
   margin-bottom: 16px;
 }
 
+.backup-file-input {
+  display: none;
+}
+
 .payment-config-table {
   width: 100%;
   border-radius: 0;