修复detail撤回存储数据过大问题

src/tool/indexedDB.js

@@ -0,0 +1,71 @@
+const KeyValueDB = {
+	dbName: 'kvStorage',
+	storeName: 'kvStore',
+	
+	async init() {
+	  return new Promise((resolve) => {
+		const request = indexedDB.open(this.dbName, 1);
+		
+		request.onupgradeneeded = (e) => {
+		  const db = e.target.result;
+		  if (!db.objectStoreNames.contains(this.storeName)) {
+			db.createObjectStore(this.storeName);
+		  }
+		};
+		
+		request.onsuccess = () => resolve(request.result);
+	  });
+	},
+  
+	// 设置值（类似 localStorage.setItem）
+	async set(key, value) {
+	  const db = await this.init();
+	  return new Promise((resolve) => {
+		const tx = db.transaction(this.storeName, 'readwrite');
+		tx.objectStore(this.storeName).put(value, key);
+		tx.oncomplete = () => resolve();
+	  });
+	},
+  
+	// 获取值（类似 localStorage.getItem）
+	async get(key) {
+	  const db = await this.init();
+	  return new Promise((resolve) => {
+		const tx = db.transaction(this.storeName, 'readonly');
+		const request = tx.objectStore(this.storeName).get(key);
+		request.onsuccess = () => resolve(request.result);
+	  });
+	},
+  
+	// 删除值
+	async remove(key) {
+	  const db = await this.init();
+	  return new Promise((resolve) => {
+		const tx = db.transaction(this.storeName, 'readwrite');
+		tx.objectStore(this.storeName).delete(key);
+		tx.oncomplete = () => resolve();
+	  });
+	},
+  
+	// 清空所有
+	async clear() {
+	  const db = await this.init();
+	  return new Promise((resolve) => {
+		const tx = db.transaction(this.storeName, 'readwrite');
+		tx.objectStore(this.storeName).clear();
+		tx.oncomplete = () => resolve();
+	  });
+	},
+  
+	// 获取所有键
+	async keys() {
+	  const db = await this.init();
+	  return new Promise((resolve) => {
+		const tx = db.transaction(this.storeName, 'readonly');
+		const store = tx.objectStore(this.storeName);
+		const request = store.getAllKeys();
+		request.onsuccess = () => resolve(request.result);
+	  });
+	}
+  };
+  export {KeyValueDB}