Implement data migration tool and enhance KV storage support. Add automatic redirection for legacy data providers, improve user interface for migration settings, and update data handling for Classworks cloud storage. Refactor components for better integration with new storage options.

src/components/MigrationTool.vue

@@ -82,14 +82,14 @@
     <!-- 统一的数据显示卡片 -->
     <v-card class="mb-6">
       <v-card-title class="d-flex align-center">
-        <span>{{ migrationType === 'local' ? '本地数据库内容' : '服务器数据预览' }}</span>
+        <span>{{ migrationType === 'local' ? '本地数据库内容' : '服务器数据内容' }}</span>
         <v-spacer></v-spacer>
         <v-btn
           color="primary"
           @click="migrationType === 'local' ? scanLocalDatabase() : previewServerData()"
           :loading="loading || scanning"
         >
-          {{ migrationType === 'local' ? '扫描数据' : '预览数据' }}
+          {{ migrationType === 'local' ? '扫描数据' : '加载数据' }}
         </v-btn>
       </v-card-title>
       <v-card-text>
@@ -99,7 +99,7 @@
         >
           {{ migrationType === 'local'
             ? '尚未扫描本地数据或未找到可迁移的数据。点击"扫描数据"按钮开始扫描。'
-            : '尚未预览服务器数据或未找到可迁移的数据。点击"预览数据"按钮开始查询。'
+            : '尚未预览服务器数据或未找到可迁移的数据。点击"加载数据"按钮开始查询。'
           }}
         </v-alert>
 
@@ -478,7 +478,8 @@ export default {
             const res = await axios.get(homeworkUrl, {
               headers: this.getRequestHeaders()
             });
-            if (res.data) {
+            if (res.data&&res.data.status!=false) {
+              console.log(res.data);
               this.serverItems.push({
                 type: 'homework',
                 key: `homework_${this.classNumber}_${dateStr}`,
@@ -624,7 +625,7 @@ export default {
 
         if (itemType === 'config') {
           // 配置键名: classNumber/classworks-config
-          await db.put("kv", JSON.stringify(value), `${this.classNumber}/classworks-config`);
+          await db.put("kv", JSON.stringify(value), `classworks-config`);
           return { success: true, message: '配置已迁移' };
         } else {
           // 数据键名: classNumber/classworks-data-YYYYMMDD
@@ -644,7 +645,7 @@ export default {
             }
           }
 
-          await db.put("kv", JSON.stringify(value), `${this.classNumber}/classworks-data-${dateStr}`);
+          await db.put("kv", JSON.stringify(value), `classworks-data-${dateStr}`);
           return { success: true, message: `${dateStr} 数据已迁移` };
         }
       } catch (error) {