我自己打印了一下，发现uploadMaterial能获取到data,但是无法得到票据access_token,不知道是什么原因，我将wechat的代码贴上来麻烦大神帮我看看~
'use strict'
var Promise = require('bluebird')
var request=Promise.promisify(require('request'))//promise化
var util = require('./util')
var fs=require('fs')
var prefix='https://api.weixin.qq.com/cgi-bin/'
var api={
access_token: prefix + 'token?grant_type=client_credential',
upload: prefix+'media/upload?'
}
function Wechat(opts){
var that = this
this.appID=opts.appID
this.appSecret= opts.appSecret
this.getAccessToken=opts.getAccessToken
this.saveAccessToken=opts.saveAccessToken
//promise实现
this.fetchAccessToken()
}
Wechat.prototype.fetchAccessToken = function(data) {
var that=this
//如果有效
if(this.access_token&&this.expires_in){
if(this.isValidAccessToken(this)){
return Promise.resolve(this)
}
}
//promise实现
return this.getAccessToken()
.then(function(data){
try{
data=JSON.parse(data)
}
catch(e){
return that.updateAccessToken()
}
if (that.isValidAccessToken(data)) {
return 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)
return Promise.resolve(data)
})
}
//检验数据有效性
Wechat.prototype.isValidAccessToken = function(data) {
if(!data||!data.access_token||!data.expires_in){
return false
}
var access_token=data.access_token
var expires_in=data.expires_in
var now=(new Date().getTime())
if (now<expires_in){
return true
}
else return false
}
Wechat.prototype.updateAccessToken = function() {//???data
var appID= this.appID
var appSecret= this.appSecret
var url=api.access_token+'&appID='+appID+'&secret='+appSecret
return new Promise(function(resolve,reject){
//向服务器发起get请求
request({url: url,json:true}).then(function(response){
var data =response//修改
//console.log(data)
var now =(new Date().getTime())
var expires_in=now + (data.expires_in - 20)*1000
data.expires_in=expires_in
resolve(data)
})
})
}
Wechat.prototype.uploadMaterial = function(type,filepath) {//???data
var that=this
var form={
media:fs.createReadStream(filepath)
}
//var appID= this.appID
//var appSecret= this.appSecret
return new Promise(function(resolve,reject){
that
.fetchAccessToken()
.then(function(data){
console.log(data)
console.log(data.access_token)
var url=api.upload+'access_token='+data.access_token+'&type='+type
console.log(url)
//向服务器发起get请求
request({method:'POST',url: url,formData:form,json:true}).then(function(response){
var _data =response
//console.log(_data)
if(_data){
resolve(_data)
}
else{
throw new Error('upload material fails')
}
})
.catch(function(err){
reject(err)
})
})
})
}
Wechat.prototype.reply = function() {
var content = this.body
var message = this.weixin
console.log(content);
var xml = util.tpl(content,message)
this.status = 200
this.type = 'application/xml'
this.body = xml
};
module.exports=Wechat
打印出来的DATA
