【HarmonyOS】鸿蒙图片下载加载方案

    "requestPermissions": [      {        "name": "ohos.permission.INTERNET"      },

import { http } from '@kit.NetworkKit'import { image } from '@kit.ImageKit'
@Entry@Componentstruct Page010 {  @State pixelMap: PixelMap | undefined = undefined  @State imgUrl: string = 'https://xxx.jpg'
  build() {    Column() {
      Text('加载url显示')      Image(this.imgUrl).width('200lpx').height('200lpx')        .onError((error: ImageError) => {          console.info('error', JSON.stringify(error))        })        .onComplete((event) => {          console.info('event', JSON.stringify(event))        })      Button('下载图片').onClick(() => {        http.createHttp().request(          this.imgUrl,          { expectDataType: http.HttpDataType.ARRAY_BUFFER }        ).then(async (res) => {          console.info('res', JSON.stringify(res))          // 将图片资源转为像素图（PixelMap）          this.pixelMap = await image.createImageSource(res.result as ArrayBuffer).createPixelMap()        }).catch(() => {          console.info('catch')        })      })      Text('下载图片后显示')      Image(this.pixelMap).width('200lpx')    }    .width('100%')    .height('100%')  }}