open 打开数据库

open

类型: MethodDeclaration

定义位置: data.ts

描述

打开数据库

返回值:对象存储空间

返回值

类型: Promise<IDBObjectStore>

对象存储空间

源代码

位置: 第 1087 行

private async open(): Promise<IDBObjectStore> {
    if (!this.promise) {
      // localStorage数据容量有限，indexedDB可以存放大量数据
      const dbName = 'yami-rpg:' + Data.config.gameId
      const request = indexedDB.open(dbName)
      request.onupgradeneeded = (event: any) => {
        const db = event.target.result
        db.createObjectStore('game-data', {keyPath: 'key'})
      }
      this.promise = new Promise(resolve => {
        request.onsuccess = (event: any) => {
          resolve(event.target.result)
        }
      })
    }
    const db = await this.promise
    const transaction = db.transaction(['game-data'], 'readwrite')
    return transaction.objectStore('game-data')
  }

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文档生成时间：2025/7/21 20:53:39