<div id="share">

            <a href="javascript:void(0)"  share-type="qzone"  style="background-position: 0 0;"     target="_blank"  title="分享到QQ空间"></a>

            <a href="javascript:void(0)"  share-type="tsina"  style="background-position: -35px 0;" target="_blank"  title="分享到新浪微博"></a>

            <a href="javascript:void(0)"  share-type="weixin" style="background-position: -70px 0;" target="_blank"  title="分享到微信朋友圈"><div class="erweima"><div id="qrcode"></div></div></a>

        </div>

$(function () {

    var qrcode = new QRCode(document.getElementById("qrcode"), {

        width : 160,//设置宽高

        height : 160

    });

    qrcode.makeCode(location.href);

    $('#share a').on('click',share);

    var shareDara = {

        pic:(function () {

            var pics = ''

            $('.contenr-main .text img').each(function (i,k) {

                if(i<1){

                    pics +=  $(k).attr('src')

                }else{

                    pics += '||'+$(k).attr('src')

                }

            })

            return pics

        })(),

        title:(function () {

           return $('.contenr-main .title').html()

        })(),

        url:location.href,

        desc:(function () {

            return $('.contenr-main .text p').eq(0).html()

        })()

    }

    function share (){

        var self = $(this);

        var shareType = self.attr('share-type');

            //console.log(shareType);

        switch (shareType){

            case 'weixin':

                break;

            case 'tsina':

                self.attr('href',

                    'http://service.weibo.com/share/share.php?' +

                    'url=' +encodeURIComponent(shareDara.url)+

                    '&title=' +encodeURIComponent(shareDara.title)+

                    '&appkey=93034926' +

                    '&pic='+encodeURIComponent(shareDara.pic)+

                    '&searchPic=false')

                break;

            case 'qzone':

                self.attr('href',

                    'http://sns.qzone.qq.com/cgi-bin/qzshare/cgi_qzshare_onekey?' +

                    'url='  +encodeURIComponent(shareDara.url)+

                    '&title=' +encodeURIComponent(shareDara.title)+

                    '&desc=' + encodeURIComponent(shareDara.desc)+

                    '&summary=' +encodeURIComponent(shareDara.pic)+

                    '&site='

                    )

                break;

            default:

                break;

        }

    }

});