微信分享到朋友圈，分享给好友设置标题图片描述参数

   var imgUrl = "http://xxxxx.com/activity/images/logo.jpg";
    var lineLink = window.location.href;
    var descContent = '来宜人贷参与抢钱活动100%获得10000金币，还可以兑换成现金哦~';
    var shareTitle = '来宜人贷  拼人品抢现金';
    var appid = 'wx237b223ad5773cf5';

    function shareFriend() {
        WeixinJSBridge.invoke('sendAppMessage',{
            "appid": appid,
            "img_url": imgUrl,
            "img_width": "200",
            "img_height": "200",
            "link": lineLink,
            "desc": descContent,
            "title": shareTitle
        }, function(res) {
            //_report('send_msg', res.err_msg);
        })
    }
    function shareTimeline() {
        WeixinJSBridge.invoke('shareTimeline',{
            "img_url": imgUrl,
            "img_width": "200",
            "img_height": "200",
            "link": lineLink,
            "desc": descContent,
            "title": shareTitle
        }, function(res) {
            //_report('timeline', res.err_msg);
        });
    }
    function shareWeibo() {
        WeixinJSBridge.invoke('shareWeibo',{
            "content": descContent,
            "url": lineLink,
        }, function(res) {
            //_report('weibo', res.err_msg);
        });
    }
    // 当微信内置浏览器完成内部初始化后会触发WeixinJSBridgeReady事件。
    document.addEventListener('WeixinJSBridgeReady', function onBridgeReady() {
        // 发送给好友
        WeixinJSBridge.on('menu:share:appmessage', function(argv){
            shareFriend();
        });
        // 分享到朋友圈
        WeixinJSBridge.on('menu:share:timeline', function(argv){
            shareTimeline();
        });
    }, false);