1、这里重中之重是分享到微信：web端网页通常是没有权限分享过去的
   所以用： weixin://dl/business/?ticket=ta428dhj739hg3efe6e 
   但是这个ticket真的是很蛋疼，查了许多资料说还得花钱在第三方对接巴拉巴拉的，
2、所以：window.open(‘http://api.liufuweb.com/api/p5.php?p=d&url=你要分享的链接‘);
   但是这个缺点是：打开微信的时候要识别二维码才能访问到你要分享的页面
3、就是内嵌入到app端，写个方法让其监听，他们自己调取好了

参考：
https://blog.csdn.net/weiqinhua1/article/details/80514113
http://vip.wxticket.com/api.php

function shareTo  (stype){
    var ftit = ‘‘;
    var flink = ‘‘;
         var lk = ‘‘;
    //获取文章标题
     ftit = ‘测试标题‘;
    //获取网页中内容的第一张图片
     flink = ‘/mobile/img/local/invitation.png‘;
    if(typeof flink == ‘undefined‘){
         flink=‘‘;
    }
    //当内容中没有图片时，设置分享图片为网站logo
     if(flink == ‘‘){
         lk = ‘http://g.search2.alicdn.com/img/i2/126351555/TB25JDIACtYBeNjSspaXXaOOFXa_!!0-saturn_solar.jpg_220x220.jpg‘;
    }
 
     //qq空间接口的传参
     if(stype==‘qzone‘){
        window.open(‘https://sns.qzone.qq.com/cgi-bin/qzshare/cgi_qzshare_onekey?url=‘+document.location.href+‘?sharesource=qzone&title=‘+ftit+‘&pics=‘+lk+‘&summary=‘+document.querySelector(‘meta[name="description"]‘).getAttribute(‘content‘));
    }
    //新浪微博接口的传参
     if(stype==‘WB‘){
         window.open(‘http://service.weibo.com/share/share.php?url=‘+document.location.href+‘?sharesource=weibo&title=‘+ftit+‘&pic=‘+lk+‘&appkey=2706825840‘);
     }
      //分享到微信
     if(stype == ‘WX‘){
        //window.open(‘weixin://dl/business/?ticket=t2f8d6bf4879b4be12c30ddeea2e265f9‘);
        window.open(‘http://api.liufuweb.com/api/p5.php?p=d&url=http://192.168.50.13/mobile/finance/be_invited‘);
         //weixin://dl/business/?ticket=ta428dhj739hg3efe6e   -->这个ticket不好实现
      }
      //qq好友接口的传参
      if(stype == ‘QQ‘){
          window.open(‘http://connect.qq.com/widget/shareqq/index.html?url=‘+document.location.href+‘?sharesource=qzone&title=‘+ftit+‘&pics=‘+lk+‘&summary="hgjshdhjsdhsgd"‘);
      }
      //生成二维码给微信扫描分享
       if(stype == ‘wechat‘){
              window.open(‘inc/qrcode_img.php?url=http://zixuephp.net/article-1.html‘);
        }
      }

 <script src="/mobile/js/finance/jquery.min.js" type="text/javascript"></script>   
 <script src="/mobile/js/finance/qrcode.js" type="text/javascript"></script>


<div id="qrcode" class="img"></div>

var qrcode = new QRCode(document.getElementById("qrcode"), {
                    /*    width : 100,
                        height : 100*/
                    });        
var elText = ‘http://192.168.50.13/mobile/finance/be_invited‘;
qrcode.makeCode(elText);