onResp?: OnWXResp): Promise<boolean | undefined> {

        miniProgramObject.userName = miniProgram.userName

        miniProgramObject.path = miniProgram.path

        miniProgramObject.miniprogramType = miniProgram.miniProgramType || 0 //拉起小程序的类型 0-正式版 1-开发版 2-体验版

        const mediaMessage = new wxopensdk.WXMediaMessage()

        mediaMessage.mediaObject = miniProgramObject

        mediaMessage.title = miniProgram.title || ''

        mediaMessage.description = miniProgram.description || ''

        // 缩略图下载和压缩

        const webPUrl = WebPUtil.convertWebp(miniProgram.thumbImage, '300') || ''

        if (!webPUrl) {

            promptAction.showToast({ message: "微信分享小程序图片链接不能为空" })

            return false

        }

        const tempFilePath = await imageUtil.downloadImageToSandbox(webPUrl, context)

        if (!tempFilePath) {

            promptAction.showToast({ message: "微信分享小程序图片下载失败" })

            return false

        }

        const thumbBuffer = await this.compressImageSource(tempFilePath)

        mediaMessage.thumbData = new Uint8Array(thumbBuffer)

        const req = new wxopensdk.SendMessageToWXReq()

        // 微信跳回宿主App时拉起的ability名字，如果不填则默认是'EntryAbility'

        req.callbackAbility = 'EntryAbility'

        req.scene = wxopensdk.SendMessageToWXReq.WXSceneSession

        req.message = mediaMessage

        req.transaction = reqKey

        const finished = await this.WXApi?.sendReq(context, req)

        console.log('WXApiHelper', 'openWechat() finished: ' + finished);

        return finished

    }