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app.js
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app.js
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//app.js
App({
onLaunch: function () {
// 展示本地存储能力
var logs = wx.getStorageSync('logs') || []
logs.unshift(Date.now())
wx.setStorageSync('logs', logs)
// 登录
// this.login()
// 获取用户信息
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,不会弹框
wx.getUserInfo({
success: res => {
// 可以将 res 发送给后台解码出 unionId
this.globalData.userInfo = res.userInfo
// 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)
}
}
})
}
}
})
},
// 登录
login: function () {
return new Promise((resolve, reject) => {
wx.login({
success: res => {
// 发送 res.code 到后台换取 openId, sessionKey, unionId
wx.request({
url: 'https://www.meijile.xin/api/xcx/login',
method: 'POST',
header: {
'content-type': 'application/x-www-form-urlencoded'
},
data: {
code: res.code
},
success: res => {
this.globalData.isLogin = res.data.success
if (res.data.success) {
this.globalData.token = res.data.body.token
wx.setStorageSync('token', res.data.body.token)
resolve(res)
} else {
reject(res)
}
},
fail: err => {
wx.showToast({
title: '登录异常',
icon: 'none'
})
reject(err)
}
})
}
})
})
},
// Promise请求
ajax: function (url, method, data) {
let baseUrl = 'https://www.meijile.xin/api/'
return new Promise((resolve, reject) => {
wx.request({
url: baseUrl + url,
method: method,
data: data,
header: {
'Authentication': wx.getStorageSync('token'), // 默认值
"content-type": method === 'POST' ? "application/x-www-form-urlencoded" :"application/json"
},
success: res => {
if (res.data.code === 401) {
this.login()
} else {
resolve(res)
}
},
fail: err => {
reject(err)
}
})
})
},
globalData: {
userInfo: null,
token: '',
isLogin: false
}
})