import image from '@ohos.multimedia.image'; // 确保引入正确的模块 const webpageObject = new wxopensdk.WXWebpageObject() webpageObject.webpageUrl = "http://www.qq.com" const mediaMessage = new wxopensdk.WXMediaMessage() mediaMessage.mediaObject = webpageObject mediaMessage.title = "测试网页链接" mediaMessage.description = "测试网页摘要" const thumbData = await getContext(this).resourceManager.getMediaContent($r("app.media.logo_share")) const thumbPixel = image.createImageSource(thumbData.buffer).createPixelMapSync() const thumbBuffer: ArrayBufferLike = await image.createImagePacker().packToData(thumbPixel, { format: "image/png", quality: 100 }) mediaMessage.thumbData = new Uint8Array(thumbBuffer) const req = new wxopensdk.SendMessageToWXReq() // req.callbackAbility = kDemoEntryAbility req.scene = wxopensdk.SendMessageToWXReq.WXSceneSession req.message = mediaMessage this.wxApi.sendReq(getContext(this) as common.UIAbilityContext, req) [图片]

[图片] 微信分享网页的这个缩略图背景色默认就是黑色吗？我这边用的是这样一张透明的图片，鸿蒙端这边能主动修改吗？ [图片]

skyline模式下：一直报下面这个错误，但是没有用这个方法，不知道哪里出来的。报错： Uncaught (in promise) TypeError: t.onPlatformBrightnessChanged is not a function     at Object.onPlatformBrightnessChanged (index.js:1)     at l (index.js:1)     at index.js:1     at Set.forEach (<anonymous>)     at g (index.js:1)     at e.exports.p (index.js:1)     at index.js:1     at Set.forEach (<anonymous>)     at WebSocket._ws.onmessage (index.js:1)(env: Windows,mp,1.06.2404122; lib: 3.4.0)