//gh_ef65912f88f1 为被添加者的微信ID
WeixinJSBridge.invoke("addContact", {webtype: "1",username: ‘gh_ef65912f88f1‘}, function(e) {
            WeixinJSBridge.log(e.err_msg);
            //e.err_msg:add_contact:added 已经添加
            //e.err_msg:add_contact:cancel 取消添加
            //e.err_msg:add_contact:ok 添加成功
            if(e.err_msg == ‘add_contact:added‘ || e.err_msg == ‘add_contact:ok‘){
                //关注成功，或者已经关注过
            }
        })

WeixinJSBridge.invoke(‘shareTimeline‘,{
        "img_url": "http://example.com/example.png",
        //"img_width": "640",
        //"img_height": "640",
        "link": "http://example.com",
        "desc": "描述",
        "title": "标题"
    },function(res){
        // 返回res.err_msg,取值
        // share_timeline:cancel 用户取消
        // share_timeline:fail　发送失败
        // share_timeline:confirm 发送成功
        WeixinJSBridge.log(res.err_msg);
         
        if(res.err_msg == ‘share_timeline:confirm‘){
            //转发成功
        };
    });