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/pages/index.vue

@@ -625,6 +625,7 @@
 import MessageLog from "@/components/MessageLog.vue";
 import RandomPicker from "@/components/RandomPicker.vue"; // 导入随机点名组件
 import dataProvider from "@/utils/dataProvider";
+import { kvProvider } from "@/utils/providers/kvProvider";
 import {
   getSetting,
   watchSettings,
@@ -1086,7 +1087,6 @@ export default {
       try {
         this.loading.download = true;
         const response = await dataProvider.loadData(
-          this.provider,
           this.dataKey,
           this.state.dateString
         );
@@ -1192,10 +1192,9 @@ export default {
       try {
         this.loading.upload = true;
         const response = await dataProvider.saveData(
-          this.provider,
           this.dataKey,
           this.state.boardData,
-          this.state.dateString // 添加dateString参数
+          this.state.dateString
         );
 
         if (!response.success) {
@@ -1211,10 +1210,16 @@ export default {
 
     async loadConfig() {
       try {
-        const response = await dataProvider.loadConfig(
-          this.provider,
-          this.dataKey
-        );
+        // 使用新的kvProvider直接加载配置
+        const provider = getSetting("server.provider");
+        const useServer = provider === "kv-server" || provider === "classworkscloud";
+        let response;
+
+        if (useServer) {
+          response = await kvProvider.server.loadConfig();
+        } else {
+          response = await kvProvider.local.loadConfig();
+        }
 
         if (!response.success) {
           throw new Error(response.error.message);
@@ -1325,7 +1330,7 @@ export default {
       const classNum = getSetting("server.classNumber");
 
       this.provider = provider;
-      this.dataKey = provider === "server" ? `${domain}/${classNum}` : classNum;
+      this.dataKey = provider === "server" || provider === "classworkscloud" ? `${domain}/${classNum}` : classNum;
       this.state.classNumber = classNum;
     },