IndexDB

1 新建一个数据库

(1)在utils文件中新建一个indexedDB.ts

export default class DB {
  private dbName: string // 数据库名称
  constructor(dbName: string){
    this.dbName = dbName
  }
  // 打开数据库
  public openStore() {
    const request = window.indexedDB.open(this.dbName,1)
    request.onsuccess = (event) => {
      console.log("数据库打开成功")
    }
    request.onerror = (event) => {
      console.log("数据库打开成功")
    }
    request.onupgradeneeded = (event) => {
      console.log("数据库打开成功")
    }
  }
}

(2)使用