TypeError: Cannot read property 'expires

TypeError: Cannot read property 'expires_in' of undefined

来源：1-3 第一天微信号分类和功能

慕少1471586

2017-03-24

this.getAccessToken()
.then(function(data){
  try{
   data = JSON.parse(data)
  }
  catch(e){
   console.log(e)
  }

  if(that.isValidAccessToken(data)){
   Promise.resolve(data)
  }
  else{
   return that.updateAccessToken()
  }
})
.then(function(data){
  that.access_token = data.access_token
  that.expires_in = data.expires_in

that.saveAccessToken(data)
})
}

Wechat.prototype.updateAccessToken = function(){
var appID = this.appID
var appSecret = this.appSecret
var url = api.accessToken + '&appid=' + appID + '&secret=' +
appSecret

return new Promise(function(resolve,reject){
  request({url: url, json: true}).then(function(response){
   var data = response[1]
   var now = (new Date().getTime())

   var _expires_in = now + (data.expires_in - 20)*1000

   data.expires_in = _expires_in

resolve(data)
})

写回答

3回答

Scott

2017-03-24

已采纳

if(that.isValidAccessToken(data)){
   Promise.resolve(data)
  }

中少了 return，这样改

 if(that.isValidAccessToken(data)){
   return Promise.resolve(data)
  }

YJCHENF

2020-10-09

加了return为什么还不行啊

YJCHENF

2020-10-09

if(that.isValidAccessToken(data)){

return Promise.resolve(data)

}

这样改了为什么还是不行啊

7天搞定Node.js微信公众号

Koa框架、ES2015新特性、MongoDB，开发微信公众号

1742 学习 · 787 问题

查看课程

相似问题

Cannot read property 'expires_in' of undefined

回答 2

TypeError: Cannot read property 'type' of undefined

回答 2

老师，请问我这里为什么会报错呢

回答 3

报错误Cannot read property 'expires_in' of undefined

回答 3

TypeError: Cannot read property 'type' of undefined

回答 1

打开慕课网App查看更多内容