微信内置浏览器插件WeixinJSBridge

//微信内置方法

    function _ShareFriend() {

        WeixinJSBridge.invoke('sendAppMessage',{

              'appid': appid,

              'img_url': img,

              'img_width': width,

              'img_height': height,

              'link': url,

              'desc': desc,

              'title': title

              }, function(res){

                _report('send_msg', res.err_msg);

          })

    }

    function _ShareTL() {

        WeixinJSBridge.invoke('shareTimeline',{

              'img_url': img,

              'img_width': width,

              'img_height': height,

              'link': url,

              'desc': desc,

              'title': title

              }, function(res) {

              _report('timeline', res.err_msg);

              });

    }

    function _ShareWB() {

        WeixinJSBridge.invoke('shareWeibo',{

              'content': desc,

              'url': url,

              }, function(res) {

              _report('weibo', res.err_msg);

              });

    }

    // 当微信内置浏览器初始化后会触发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){

                _ShareTL();

                });

            // 分享到微博

            WeixinJSBridge.on('menu:share:weibo', function(argv){

                _ShareWB();

           });

    }, false);