微信小程序实例：分享给一个人还是分享到群的判断代码

微信小程序的分享功能，在最新版库的ide上已经不能拿到分享回调了，官方api也删除了对应的回调函数，看样子是砍掉了，不过真机测试还是可以的，话不多说，上代码：

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onLoad: function(options) {     wx.showShareMenu({             //只有拥有 shareTicket 才能拿到群信息，用户每次转发都会生成对应唯一的shareTicket 。             withShareTicket: true         }); }, onShareAppMessage: function(res) {         var _this = this;         console.log(res);         if (res.from === 'button') {             // 来自页面内转发按钮             _this.data.shareBtn = true;         } else {             //来自右上角转发             _this.data.shareBtn = false;         }         return {             title: '自定义转发标题',             path: 'pages/index/index',             complete: function(res) {                 console.log(res);                 if (res.errMsg == 'shareAppMessage:ok') {                     //分享为按钮转发                     if (_this.data.shareBtn) {                         //判断是否分享到群                         if (res.hasOwnProperty('shareTickets')) {                             console.log(res.shareTickets[0]);                             //分享到群                             _this.data.isshare = 1;                         } else {                             // 分享到个人                             _this.data.isshare = 0;                         }                     }                 } else {                     wx.showToast({                         title: '分享失败',                     })                     _this.data.isshare = 0;                 }             },         }     }