项目备份

static/dexieParse.js

@@ -0,0 +1,49 @@
+// dexie文档：https://dexie.org/docs/API-Reference  https://www.npmrc.cn/en/Dexie-js.html
+class dexieDemo {
+  dbName = "jafar";
+  dbVersion = 1;
+  constructor(dbName, dbVersion) {
+    if (dbName) {
+      this.dbName = dbName;
+    }
+    if (dbVersion) {
+      this.dbVersion = dbVersion;
+    }
+    this.db = new Dexie(this.dbName);
+    this.db.version(this.dbVersion).stores(
+      { tabName: "++id,nKey,nValue,nTime" }, // 创建表，已有表则建立链接，id为自增主键；仅需要列举需要索引的字段即可
+    );
+  }
+  async get() {
+    const getLastData = await this.db.tabName.orderBy("id").last();
+    return getLastData;
+  }
+  async post(nKey, nValue) {
+    await this.db.tabName.add({
+      nKey: nKey,
+      nValue: nValue,
+      nTime: Date.now(),
+    });
+    const getLastData = await this.db.tabName.orderBy("id").last();
+  }
+  async put(id) {
+    await this.db.tabName.put({
+      id: 1,
+      userName: "zhangsan",
+    });
+  }
+  async del(id) {
+    await this.db.tabName.delete(id);
+  }
+}
+
+export const myDexie = new dexieDemo();
+
+// document.querySelector("#goto_indexedDB_post").addEventListener("click",async () => {
+//     let nKey = Math.random()
+//     let nValue = new Date().getTime();
+//     await myDexieDemo.post( nKey,nValue );
+// })
+// document.querySelector("#goto_indexedDB_get").addEventListener("click",async () => {
+//     console.log( await myDexieDemo.get() )
+// })