feat: 页面配置默认模板回退+删除功能

par-api/src/main/java/com/par/api/controller/SitePagesController.java

@@ -16,12 +16,26 @@ import java.util.Map;
 public class SitePagesController {
 
     private final SitePagesService sitePagesService;
+    private final com.par.core.mapper.SiteMapper siteMapper;
 
     @GetMapping("/api/v1/sites/{siteId}/pages")
     public ApiResponse<Map<String, Object>> getPages(@PathVariable String siteId) {
         Map<String, Object> data = sitePagesService.getPages(siteId);
-        if (data == null) return ApiResponse.error(404, "页面配置不存在");
+        if (data != null) {
-        return ApiResponse.success(data);
+            data.put("source", "custom");
+            return ApiResponse.success(data);
+        }
+        // 回退到站点类型默认模板
+        var site = siteMapper.selectBySiteId(siteId);
+        String siteType = site != null && site.getSiteType() != null ? site.getSiteType().getValue() : null;
+        if (siteType != null) {
+            Map<String, Object> def = sitePagesService.getPages("default:" + siteType);
+            if (def != null) {
+                def.put("source", "default");
+                return ApiResponse.success(def);
+            }
+        }
+        return ApiResponse.error(404, "页面配置不存在");
     }
 
     @GetMapping("/api/v1/sites/{siteId}/pages/version")

web/src/views/SitePages.vue

@@ -31,6 +31,7 @@
       <h2 style="margin:0">编辑: {{ editSiteId }}</h2>
       <div style="display:flex;gap:8px">
         <el-button size="small" type="primary" @click="savePages" :loading="saving">保存</el-button>
+        <el-button size="small" type="danger" @click="deletePages" :loading="deleting">删除</el-button>
         <el-button size="small" @click="editSiteId=''">返回列表</el-button>
       </div>
     </div>
@@ -70,7 +71,7 @@
 <script setup>
 import api from '../api'; import { Refresh } from '@element-plus/icons-vue'
 
-const loading = ref(false), saving = ref(false), sites = ref([]), pagesMap = ref({}), sitesList = ref([])
+const loading = ref(false), saving = ref(false), deleting = ref(false), sites = ref([]), pagesMap = ref({}), sitesList = ref([])
 const editSiteId = ref(''), editorJson = ref('[]')
 const fmt = (t) => t ? (t.substring(0,19)||'').replace('T',' ') : '-'
 const parsed = computed(() => { try { return JSON.parse(editorJson.value) } catch { return [] } })
@@ -106,6 +107,14 @@ const editPage = async (row) => {
 const syncToJson = () => { editorJson.value = JSON.stringify(parsed.value, null, 2) }
 const remove = (idx) => { parsed.value.splice(idx,1); syncToJson() }
 const addEntry = () => { parsed.value.push({key:'',label:'',url:'{base}',method:'GET'}); syncToJson() }
+const deletePages = async () => {
+  try { await ElMessageBox.confirm('删除后站点将使用默认模板','确认',{type:'warning',confirmButtonText:'确认删除'}) } catch { return }
+  deleting.value = true
+  try { await api.raw.delete('/admin/site-pages/'+editSiteId.value); ElMessage.success('已删除'); editSiteId.value=''; fetchAll() }
+  catch { ElMessage.error('删除失败') }
+  finally { deleting.value = false }
+}
+
 const savePages = async () => {
   saving.value = true
   try { await api.raw.put('/sites/'+editSiteId.value+'/pages', { entries: parsed.value }); ElMessage.success('已保存'); editSiteId.value=''; fetchAll() }