Files
miniwx/app.js
T

66 lines
1.5 KiB
JavaScript

// app.js
const { BASE_URL, API } = require('./utils/config')
const { request } = require('./utils/api')
App({
onLaunch() {
// 自动静默登录:wx.login 获取 code,再请求后端接口换取 openid
this.silentLogin()
},
silentLogin() {
wx.login({
success: (loginRes) => {
if (loginRes.code) {
this.loginWithCode(loginRes.code)
} else {
console.error('wx.login 失败', loginRes.errMsg)
this.handleLoginFail()
}
},
fail: (err) => {
console.error('wx.login 调用失败', err)
this.handleLoginFail()
}
})
},
async loginWithCode(code) {
try {
const data = await request({
url: BASE_URL + API.LOGIN,
method: 'GET',
data: { code }
})
const userInfo = {
openid: data.openid,
sessionKey: data.session_key,
unionid: data.unionid || ''
}
this.globalData.userInfo = userInfo
this.globalData.isLoggedIn = true
wx.setStorageSync('userInfo', userInfo)
if (this.loginReadyCallback) {
this.loginReadyCallback(userInfo)
}
} catch (err) {
console.error('后端登录失败', err)
this.handleLoginFail()
}
},
handleLoginFail() {
this.globalData.isLoggedIn = false
this.globalData.loginFailed = true
if (this.loginReadyCallback) {
this.loginReadyCallback(null)
}
},
globalData: {
userInfo: null,
isLoggedIn: false,
loginFailed: false
}
})