50 lines
1.4 KiB
JavaScript
50 lines
1.4 KiB
JavaScript
// dexie文档：https://dexie.org/docs/API-Reference https://www.npmrc.cn/en/Dexie-js.html
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class dexieDemo {
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dbName = "jafar";
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dbVersion = 1;
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constructor(dbName, dbVersion) {
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if (dbName) {
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this.dbName = dbName;
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}
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if (dbVersion) {
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this.dbVersion = dbVersion;
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}
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this.db = new Dexie(this.dbName);
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this.db.version(this.dbVersion).stores(
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{ 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
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);
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}
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async get() {
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const getLastData = await this.db.tabName.orderBy("id").last();
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return getLastData;
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}
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async post(nKey, nValue) {
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await this.db.tabName.add({
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nKey: nKey,
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nValue: nValue,
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nTime: Date.now(),
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});
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const getLastData = await this.db.tabName.orderBy("id").last();
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}
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async put(id) {
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await this.db.tabName.put({
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id: 1,
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userName: "zhangsan",
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});
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}
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async del(id) {
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await this.db.tabName.delete(id);
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}
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}
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export const myDexie = new dexieDemo();
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// document.querySelector("#goto_indexedDB_post").addEventListener("click",async () => {
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// let nKey = Math.random()
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// let nValue = new Date().getTime();
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// await myDexieDemo.post( nKey,nValue );
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// })
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// document.querySelector("#goto_indexedDB_get").addEventListener("click",async () => {
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// console.log( await myDexieDemo.get() )
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// })
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