微信分享的链接必须是当前链接

 1 /**
 2  * 微信分享
 3  *  title 分享标题，默认document.title
 4  *  desc 分享描述，默认document.title
 5  *  link 分享链接，默认当前地址
 6  *  imgUrl 分享缩略图，默认页面logo
 7  */
 8 var wxShare = function (shareData){
 9     //动态引入微信js
10     var wx_script = document.createElement("script");
11     wx_script.src = "http://res.wx.qq.com/open/js/jweixin-1.0.0.js";
12     var first_script = document.getElementsByTagName("script")[0];
13     first_script.parentNode.insertBefore(wx_script, first_script);
14 
15     var ua=window.navigator.userAgent;
16     var reg=/MicroMessenger/i;
17     var iswechat=reg.test(ua);
18     var url=document.location.href;
19 
20     shareData.title = shareData.title ? shareData.title : document.title;
21     shareData.desc = shareData.desc ? shareData.desc : document.title;
22     shareData.link = shareData.link ? shareData.link : url;
23     shareData.imgUrl = shareData.imgUrl ? shareData.imgUrl : $(‘.header-logo a img‘).attr(‘src‘);
24 
25     if (iswechat) {
26         $.ajax({
27             url: "/wechat/wxshare.html?url="+encodeURIComponent(shareData.link),
28             type: ‘get‘,
29             dataType: ‘json‘,
30             success: function(rs) {
31                 var appId = rs.appId;
32                 var timestamp = rs.timestamp;
33                 var nonceStr = rs.nonceStr;
34                 var signature = rs.signature;
35                 wx.config({
36                     debug: false,
37                     appId: appId,
38                     timestamp: timestamp,
39                     nonceStr: nonceStr,
40                     signature: signature,
41                     jsApiList: [
42                         ‘checkJsApi‘,
43                         ‘onMenuShareTimeline‘,
44                         ‘onMenuShareAppMessage‘,
45                         ‘onMenuShareQQ‘,
46                         ‘onMenuShareWeibo‘,
47                         ‘onMenuShareQZone‘,
48                     ]
49                 });
50                 wx.ready(function () {
51                     //分享到朋友圈
52                     wx.onMenuShareTimeline(shareData);
53                     //发送给朋友
54                     wx.onMenuShareAppMessage(shareData);
55                     //分享到QQ
56                     wx.onMenuShareQQ(shareData);
57                     //分享到腾讯微博
58                     wx.onMenuShareWeibo(shareData);
59                     //分享到QQ空间
60                     wx.onMenuShareQZone(shareData);
61                 });
62             }
63         });
64     }
65 }