stage模型，@Component组件内如何获取UIAbilityContext

import common from '@ohos.app.ability.common'; 
 
@Entry 
@Component 
struct AbilityContextTest { 
  // abilityContext 
  @State UIAbilityInfo: string = '获取 abilityInfo' 
  UIAbilityContext: common.UIAbilityContext 
 
  aboutToAppear() { 
    // getContext获取Context，转为abilityContext 
    this.UIAbilityContext = getContext(this) as common.UIAbilityContext 
  } 
 
  build() { 
    Row() { 
      Column({ space: 20 }) { 
        Text(this.UIAbilityInfo) 
          .fontSize(20) 
          .onClick(() => { 
            this.UIAbilityInfo = JSON.stringify(this.UIAbilityContext.abilityInfo) 
            console.log(`ContextDemo abilityInfo = ${this.UIAbilityInfo}`) 
          }) 
      } 
      .width('100%') 
    } 
    .height('100%') 
  } 
}