feat(admin): 订单管理重构、设置管理增强、短信签名模板管理及通知渠道优化

- 订单列表重构为卡片式布局并新增筛选功能

- 设置管理支持struct/struct_list类型配置

- 新增短信签名和模板独立管理页面

- 通知渠道新增短信渠道配置

- 产品参数管理优化

Co-authored-by: Cursor <cursoragent@cursor.com>

src/views/system/NoticeChannel.vue

@@ -193,43 +193,75 @@
     </el-tabs>
 
     <!-- ==================== 模板编辑弹窗 ==================== -->
-    <el-dialog v-model="tplDialogVisible" :title="tplForm.id ? '编辑模板' : '新增模板'" width="640px" append-to-body destroy-on-close>
-      <el-form :model="tplForm" :rules="tplRules" ref="tplFormRef" label-width="90px" label-position="right">
-        <el-form-item label="模板名称" prop="name">
-          <el-input v-model="tplForm.name" placeholder="例：用户注册通知" maxlength="100" show-word-limit />
-        </el-form-item>
-        <el-form-item label="模板标识" prop="tag">
-          <el-input v-model="tplForm.tag" placeholder="例：user_register_notify" maxlength="100" :disabled="!!tplForm.id" />
-        </el-form-item>
-        <el-form-item label="模板类型" prop="type">
-          <el-radio-group v-model="tplForm.type">
-            <el-radio value="email">
-              <span class="radio-with-icon">
-                <svg viewBox="0 0 24 24" width="14" height="14"><path d="M20 4H4c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z" fill="#e6a23c"/></svg>
-                邮件
-              </span>
-            </el-radio>
-            <el-radio value="phone">
-              <span class="radio-with-icon">
-                <svg viewBox="0 0 24 24" width="14" height="14"><path d="M20 2H4c-1.1 0-2 .9-2 2v18l4-4h14c1.1 0 2-.9 2-2V4c0-1.1-.9-2-2-2zm0 14H5.17L4 17.17V4h16v12z" fill="#67c23a"/></svg>
-                短信
-              </span>
-            </el-radio>
-          </el-radio-group>
-        </el-form-item>
-        <el-form-item label="可用参数" v-if="tplFormArgs.length > 0">
-          <div class="args-btn-group">
-            <el-button v-for="arg in tplFormArgs" :key="arg" size="small" @click="insertArg(arg)" class="arg-insert-btn">
-              <svg viewBox="0 0 24 24" width="12" height="12" style="margin-right:3px"><path d="M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z" fill="currentColor"/></svg>
-              {{ arg }}
+    <el-dialog v-model="tplDialogVisible" :title="tplForm.id ? '编辑模板' : '新增模板'" width="1060px" append-to-body destroy-on-close @opened="onTplDialogOpened">
+      <div class="tpl-dialog-body">
+        <!-- 左侧：表单 -->
+        <div class="tpl-dialog-left">
+          <el-form :model="tplForm" :rules="tplRules" ref="tplFormRef" label-width="90px" label-position="right">
+            <el-form-item label="模板名称" prop="name">
+              <el-input v-model="tplForm.name" placeholder="例：用户注册通知" maxlength="100" show-word-limit />
+            </el-form-item>
+            <el-form-item label="模板标识" prop="tag">
+              <el-input v-model="tplForm.tag" placeholder="例：user_register_notify" maxlength="100" :disabled="!!tplForm.id" />
+            </el-form-item>
+            <el-form-item label="模板类型" prop="type">
+              <el-radio-group v-model="tplForm.type">
+                <el-radio value="email">
+                  <span class="radio-with-icon">
+                    <svg viewBox="0 0 24 24" width="14" height="14"><path d="M20 4H4c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z" fill="#e6a23c"/></svg>
+                    邮件
+                  </span>
+                </el-radio>
+                <el-radio value="phone">
+                  <span class="radio-with-icon">
+                    <svg viewBox="0 0 24 24" width="14" height="14"><path d="M20 2H4c-1.1 0-2 .9-2 2v18l4-4h14c1.1 0 2-.9 2-2V4c0-1.1-.9-2-2-2zm0 14H5.17L4 17.17V4h16v12z" fill="#67c23a"/></svg>
+                    短信
+                  </span>
+                </el-radio>
+              </el-radio-group>
+            </el-form-item>
+            <el-form-item label="可用参数" v-if="tplFormArgs.length > 0">
+              <div class="args-btn-group">
+                <el-button v-for="arg in tplFormArgs" :key="arg" size="small" @click="insertArg(arg)" class="arg-insert-btn">
+                  <svg viewBox="0 0 24 24" width="12" height="12" style="margin-right:3px"><path d="M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z" fill="currentColor"/></svg>
+                  {{ arg }}
+                </el-button>
+              </div>
+              <div class="form-hint">点击参数按钮可将其插入到模板内容光标处</div>
+            </el-form-item>
+            <el-form-item label="模板内容" prop="content">
+              <el-input ref="contentInputRef" v-model="tplForm.content" type="textarea" :rows="8" placeholder="模板内容，点击上方参数按钮插入变量" />
+            </el-form-item>
+          </el-form>
+        </div>
+
+        <!-- 右侧：渲染预览 -->
+        <div class="tpl-dialog-right">
+          <div class="preview-header">
+            <span class="preview-title">
+              <svg viewBox="0 0 24 24" width="16" height="16"><path d="M12 4.5C7 4.5 2.73 7.61 1 12c1.73 4.39 6 7.5 11 7.5s9.27-3.11 11-7.5c-1.73-4.39-6-7.5-11-7.5zM12 17c-2.76 0-5-2.24-5-5s2.24-5 5-5 5 2.24 5 5-2.24 5-5 5zm0-8c-1.66 0-3 1.34-3 3s1.34 3 3 3 3-1.34 3-3-1.34-3-3-3z" fill="currentColor"/></svg>
+              渲染预览
+            </span>
+            <el-button size="small" link type="primary" @click="fetchPreview" :loading="previewLoading">
+              <el-icon><Refresh /></el-icon> 刷新
             </el-button>
           </div>
-          <div class="form-hint">点击参数按钮可将其插入到模板内容光标处</div>
-        </el-form-item>
-        <el-form-item label="模板内容" prop="content">
-          <el-input ref="contentInputRef" v-model="tplForm.content" type="textarea" :rows="6" placeholder="模板内容，点击上方参数按钮插入变量" />
-        </el-form-item>
-      </el-form>
+
+          <div class="preview-body" v-loading="previewLoading">
+            <template v-if="previewData.rendered">
+              <div class="preview-rendered" :class="{ 'html-mode': tplForm.type === 'email' }" v-html="previewRenderedHtml"></div>
+            </template>
+            <div v-else-if="previewError" class="preview-empty">
+              <el-icon :size="32" color="#f56c6c"><WarningFilled /></el-icon>
+              <p>{{ previewError }}</p>
+            </div>
+            <div v-else class="preview-empty">
+              <el-icon :size="32" color="#c0c4cc"><View /></el-icon>
+              <p>填写模板标识和类型后自动加载预览</p>
+            </div>
+          </div>
+        </div>
+      </div>
       <template #footer>
         <el-button @click="tplDialogVisible = false">取消</el-button>
         <el-button type="primary" :loading="tplSubmitting" @click="handleSubmitTpl">确定</el-button>
@@ -239,12 +271,13 @@
 </template>
 
 <script setup>
-import { ref, computed, onMounted, nextTick } from 'vue'
+import { ref, computed, onMounted, nextTick, watch } from 'vue'
 import { ElMessage, ElMessageBox } from 'element-plus'
-import { Plus } from '@element-plus/icons-vue'
+import { Plus, Refresh, View, WarningFilled } from '@element-plus/icons-vue'
 import {
   getNoticeChannelList, updateNoticeChannel,
-  getNoticeTemplateList, addNoticeTemplate, updateNoticeTemplate, deleteNoticeTemplate
+  getNoticeTemplateList, addNoticeTemplate, updateNoticeTemplate, deleteNoticeTemplate,
+  previewNoticeTemplate
 } from '@/api/admin/noticeChannel'
 
 // ==================== 渠道配置 ====================
@@ -410,6 +443,70 @@ const handleDeleteTpl = async (row) => {
   } catch {}
 }
 
+// ==================== 渲染预览 ====================
+const previewLoading = ref(false)
+const previewError = ref('')
+const previewData = ref({ rendered: '', default_args: null })
+
+const previewRenderedHtml = computed(() => {
+  const text = previewData.value.rendered || ''
+  if (tplForm.value.type === 'email') return text
+  return text.replace(/\n/g, '<br>')
+})
+
+let previewTimer = null
+const debouncedFetchPreview = () => {
+  clearTimeout(previewTimer)
+  previewTimer = setTimeout(() => fetchPreview(), 600)
+}
+
+const fetchPreview = async () => {
+  const tag = tplForm.value.tag?.trim()
+  const type = tplForm.value.type
+  const content = tplForm.value.content?.trim()
+
+  if (!content && (!tag || !type)) {
+    previewData.value = { rendered: '', default_args: null }
+    previewError.value = ''
+    return
+  }
+
+  previewLoading.value = true
+  previewError.value = ''
+  try {
+    const params = {}
+    if (content) {
+      params.content = content
+    } else {
+      params.tag = tag
+      params.type = type
+    }
+    const res = await previewNoticeTemplate(params)
+    const body = res?.data
+    if (body?.code === 200 && body.data) {
+      previewData.value = body.data
+    } else {
+      previewData.value = { rendered: '', default_args: null }
+      previewError.value = body?.message || '渲染失败'
+    }
+  } catch {
+    previewData.value = { rendered: '', default_args: null }
+    previewError.value = '请求失败'
+  } finally {
+    previewLoading.value = false
+  }
+}
+
+const onTplDialogOpened = () => {
+  if (tplForm.value.tag && tplForm.value.type) {
+    fetchPreview()
+  }
+}
+
+watch(() => tplForm.value.tag, debouncedFetchPreview)
+watch(() => tplForm.value.type, debouncedFetchPreview)
+watch(() => tplForm.value.content, debouncedFetchPreview)
+
 // ==================== 工具函数 ====================
 const formatTime = (t) => {
   if (!t) return '-'
@@ -495,6 +592,129 @@ onMounted(() => {
 .form-hint { margin-top: 6px; font-size: 12px; color: #a8abb2; line-height: 1.4; }
 .form-hint code { background: #f5f7fa; padding: 1px 5px; border-radius: 3px; font-size: 11px; color: #606266; }
 
-/* ===== 弹窗 ===== */
+/* ===== 弹窗双栏布局 ===== */
 .radio-with-icon { display: inline-flex; align-items: center; gap: 4px; }
+
+.tpl-dialog-body {
+  display: flex;
+  gap: 20px;
+  min-height: 380px;
+}
+
+.tpl-dialog-left {
+  flex: 1;
+  min-width: 0;
+}
+
+.tpl-dialog-right {
+  width: 380px;
+  flex-shrink: 0;
+  border: 1px solid #e4e7ed;
+  border-radius: 8px;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+  background: #fafbfc;
+}
+
+.preview-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 10px 14px;
+  background: #f5f7fa;
+  border-bottom: 1px solid #e4e7ed;
+}
+
+.preview-title {
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+  font-size: 13px;
+  font-weight: 600;
+  color: #303133;
+}
+
+.preview-body {
+  flex: 1;
+  overflow-y: auto;
+  padding: 14px;
+}
+
+.preview-rendered {
+  font-size: 13px;
+  line-height: 1.7;
+  color: #303133;
+  word-break: break-all;
+  white-space: pre-wrap;
+  background: #fff;
+  border: 1px solid #ebeef5;
+  border-radius: 6px;
+  padding: 12px;
+  max-height: 320px;
+  overflow-y: auto;
+}
+
+.preview-rendered.html-mode {
+  white-space: normal;
+  transform: scale(0.75);
+  transform-origin: top left;
+  width: 133.33%;
+  max-height: 426px;
+}
+
+.preview-args {
+  margin-top: 14px;
+}
+
+.preview-args-title {
+  font-size: 12px;
+  font-weight: 600;
+  color: #606266;
+  margin-bottom: 8px;
+}
+
+.preview-args-list {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+}
+
+.preview-arg-item {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  font-size: 12px;
+}
+
+.preview-arg-key {
+  background: #ecf5ff;
+  color: #409eff;
+  padding: 2px 8px;
+  border-radius: 3px;
+  font-family: 'Consolas','Monaco',monospace;
+  flex-shrink: 0;
+}
+
+.preview-arg-val {
+  color: #606266;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.preview-empty {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  height: 100%;
+  min-height: 200px;
+  color: #909399;
+}
+
+.preview-empty p {
+  margin: 10px 0 0;
+  font-size: 13px;
+}
 </style>