onShareAppMessage

<button open-type="share" data-channel="video">拍视频</button>

	onShareAppMessage(shareOption) {
        console.log(shareOption);
        return {
            channel: "video",
            success: () => {
                console.log("分享成功");
            },
            fail(res) {
                console.log(res)
            }
        };
    }

返回：
fail share channel in shareChannelBlockList