首页没有进行强制授权的登录，注意其中的回调情况，token的获取可能在页面的onLoad之后，注意页面上的写法
//app.js
let interfaces=require('./utils/urlConfig.js');
App({
onLaunch: function () {
this.login();
},
globalData: {
userInfo: null,
screenHeight:667,
openId:'',
WxVIPId:'',
UserType:0,
imgUrl:'XXXXXXX',
requestUrl:"XXXXX"
},
getUserInfo(){
// 获取用户信息
let self=this;
wx.getSetting({
success: res => {
if (res.authSetting['scope.userInfo']) {
// 已经授权，可以直接调用 getUserInfo 获取头像昵称，
wx.getUserInfo({
success: res => {
// 可以将 res 发送给后台解码出 unionId
if(res.errMsg=="getUserInfo:ok"){
//需要更新数据库个人信息
this.globalData.userInfo = res.userInfo
self.request({
url:interfaces.updateUserInfo,
method:"POST",
data:{
"WxVIPId": self.globalData.WxVIPId,
"nickname": res.userInfo.nickName,
"sex": res.userInfo.gender,
"province": res.userInfo.province,
"city": res.userInfo.city,
"country": res.userInfo.country,
"headimgurl": res.userInfo.avatarUrl
},
callback:(res)=>{
}
})
// 由于 getUserInfo 是网络请求，可能会在 Page.onLoad 之后才返回
// 所以此处加入 callback 以防止这种情况
if (this.userInfoReadyCallback) {
this.userInfoReadyCallback(res.userInfo)
}
}
}
})
}
}
})
},
login(){
let self=this;
wx.login({
success: res => {
// 发送 res.code 到后台换取 openId, sessionKey, unionId
wx.request({
url: this.globalData.requestUrl+interfaces.login, //仅为示例，并非真实的接口地址
data: {Code:res.code},
method:"GET",
header: {
'content-type': 'application/json',
"Authorization": `Bearer`,
"RuntoAccessType":"Open"
},
success (resp) {
if(resp.data.Code==200){
let info=resp.data.Data;
wx.setStorageSync('openId', info.openId);
wx.setStorageSync('token', info.token);
wx.setStorageSync('sessionId', info.sessionId);
self.globalData.openId=info.openId;
self.getUserInfo();
if (self.loginReadyCallback) {
self.loginReadyCallback(resp)
}
}else{
wx.showToast({
title: res.data.Message,
icon: 'none',
duration: 2000
})
}
},
fail(){
wx.showToast({
title: "登陆失败！",
icon: 'none',
duration: 2000
})
}
})
}
})
},
//封装的请求
request({
url,
method = 'GET',
data,
callback,
noPop = false,
showError=false
}) {
let self=this;
let token = ''
if (wx.getStorageSync('token')) {
token = wx.getStorageSync('token')
}
wx.showLoading({
title: '加载中'
})
wx.request({
header: {
'content-type': 'application/json',
"Authorization": `Bearer ${token}`,
"RuntoAccessType":"Open"
},
url: this.globalData.requestUrl+url,
method: method,
data: data,
success(res) {
//隐藏导航条加载动画
wx.hideNavigationBarLoading();
//停止下拉刷新
wx.stopPullDownRefresh();
wx.hideLoading()
if(res.statusCode==200){//正常情况
if (res.data.Code == 200) {
callback(res)
} else {
if(res.data.Code==401){//登录超时
wx.showToast({
title: res.data.Message ? res.data.Message : '未知错误',
icon: 'none',
duration: 2000
})
self.login();
}
else{
if (noPop) {} else {
wx.showToast({
title: res.data.Message ? res.data.Message : '未知错误',
icon: 'none',
duration: 2000,
success(){
if(showError){
callback(res)
}
}
})
}
}
}
}
if(res.statusCode==401){ //token失效，重新获取
let WxVIPId=wx.getStorageSync('WxVIPId');
wx.request({
header: {
'content-type': 'application/json'
},
url: interfaces.getToken+`?GetTokenType=4&WxVIPId=${WxVIPId}`,
method: "GET",
success(re){
if(re.data.Code == 200){//按照自己后台返回的数据情况进行判断
wx.setStorageSync('token',re.data.data.access_token);
wx.showToast({
title: "服务器刚刚开了个小差，请重新操作 ~",
icon: 'none',
duration: 2000
})
}
},
fail(res) {
self.login();
}
})
}
},
fail(res) {
wx.hideLoading();
//隐藏导航条加载动画
wx.hideNavigationBarLoading();
//停止下拉刷新
wx.stopPullDownRefresh();
console.log(url)
wx.showToast({
title: "请求失败，请检查网络连接！",
icon: 'none',
duration: 2000
})
},
})
},
})
页面上onLoad写法
onLoad: function (options) {
if(app.globalData.openId){
this.setData({page:1});
this.getMeetList();
}else{
app.loginReadyCallback=res=>{
this.setData({page:1});
this.getMeetList();
}
}
},