getPhoneNumber: function (e) {//点击获取手机号码按钮 var that = this; wx.checkSession({ success: function () { console.log(e.detail.errMsg) console.log(e.detail.iv) console.log(e.detail.encryptedData) ------------------------------------------ console.log(e.detail.iv) console.log(e.detail.encryptedData) 以上这二个返回都是undefined 不知道是什么原因，麻烦指点