臭大佬

// 这是微信的配置参数
config = JSON.parse(rs);
wx.config({
    debug: false,
    appId: config.appId,
    timestamp: config.timestamp,
    nonceStr: config.nonceStr,
    signature: config.signature,
    jsApiList: config.jsApiList
});

wx.ready(function () {
    wx.checkJsApi({
        jsApiList: config.jsApiList,
        success: function () {
            window.history.replaceState({}, '', '/' + randomString(4) + '.html');
            config.appId = "wx" + randomString(14) + "12";
            wx.config(config);
            wx.hideOptionMenu(),
            wx.showMenuItems({menuList: ["menuItem:share:appMessage"]});
        //setShareInfo();
        }
    });
    var shareData = {
        title: 'xxxx',
        link: 'xxx',
        desc: 'xxx',
        imgUrl: 'xxxx',
        success: function () {
          // ...
        }
    };
    wx.onMenuShareAppMessage(shareData);
});