Button("发送Image消息(data)").onClick(async () => {
  let resourceManager = getContext(this).resourceManager
  let imageArray = await resourceManager.getMediaContent($r('app.media.test0'));
  let pixelBuffer = imageArray.buffer as ArrayBuffer;
  let imageResource = image.createImageSource(pixelBuffer);
  let opts: image.DecodingOptions = { editable: true }

  this.pixelMap = await imageResource.createPixelMap(opts);

  const imagePackerApi: image.ImagePacker = image.createImagePacker();
  let packOpts: image.PackingOption = { format: 'image/jpeg', quality: 30 };
  imagePackerApi.packing(this.pixelMap, packOpts).then((data: ArrayBuffer) => {
    let imageObject = new wxopensdk.WXImageObject

    let buf: buffer.Buffer = buffer.from(data);
    imageObject.imageData = buf.toString('base64', 0, buf.length);

    let mediaMessage = new wxopensdk.WXMediaMessage()
    mediaMessage.mediaObject = imageObject

    let req = new wxopensdk.SendMessageToWXReq()
    req.scene = this.currentScene
    req.message = mediaMessage

   this.wxApi.sendReq(getContext(this) as common.UIAbilityContext, req)
  })
}).width('80%')