鸿蒙HarmonyOS获取当前App版本号

鸿蒙HarmonyOS获取当前App版本号,话不多说直接上代码

import bundleManager from '@ohos.bundle.bundleManager';
import {
   
    BusinessError } from '@ohos.base';

@Entry
@Component
struct VersionExample {
   
   
  @State version: string = '';

  aboutToAppear() {
   
   
    this.