网页接入微信的分享到朋友圈功能

<script  src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script>

<script type="text/javascript" >

        var urlstr="";

        $(document).ready(function(){
            urlstr=window.location.href.split('#')[0];
            console.log(urlstr);
            var data={url:urlstr};
            kp.requestQueryServer("POST", "/wechat-platform/signature", data, function (res) {
                if (res.header.code == "1000") {
                   // alert("isWeiXin()"+isWeiXin())
                    if(isWeiXin()){
                        var appid = "wx30a8fbaeb0152bce";
                        var timestamp = res.data.timestamp;
                        var nonceStr = res.data.noncestr;
                        var sign = res.data.signature;
//                        alert(timestamp);
//                        alert(nonceStr);
//                        alert(sign);
                        var title= "律豆直播", // 分享标题
                                link=urlstr,
                                desc="律豆直播",
                                imgUrl ="https://www.91lvdou.com/share-live/images/1.png";

                        wx.config({
                            debug: false,//上线的时候把它改成false,true表示测试
                            appId: appid,
                            timestamp:timestamp,
                            nonceStr: nonceStr,
                            signature: sign,
                            jsApiList: [
                                'onMenuShareAppMessage',
                                'onMenuShareTimeline',
                                'hideMenuItems'
                            ]
                        });

                        wx.ready(function(){
                            wx.showOptionMenu();
                            wx.hideMenuItems({
                                menuList: ["menuItem:copyUrl","menuItem:openWithQQBrowser","menuItem:openWithSafari"] // 要隐藏的菜单项，只能隐藏“传播类”和“保护类”按钮，所有menu项见附录3
                            });

                            wx.onMenuShareTimeline({
                                title: title, // 分享标题
                                link: link,
                                desc: desc,
                                imgUrl : imgUrl,
                                success: function () {
                                    // 用户确认分享后执行的回调函数
                                },
                                cancel: function () {
                                    // 用户取消分享后执行的回调函数
                                }
                            });

                            wx.onMenuShareAppMessage({
                                title: title, // 分享标题
                                link: link,
                                desc: desc,
                                imgUrl : imgUrl,
                                success: function () {
                                    // 用户确认分享后执行的回调函数
                                },
                                cancel: function () {
                                    // 用户取消分享后执行的回调函数
                                }
                            });

                        });
                    }

                }
            })
        })
        function isWeiXin(){
            var ua = window.navigator.userAgent.toLowerCase();
            if(ua.match(/MicroMessenger/i) == 'micromessenger'){
                return true;
            }else{
                return false;
            }
        }


    </script>
后来一直找问题，为什么不行，是微信后台的域名要绑定下