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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
wx.login({
success: res => {
// 发送 res.code 到后台换取 openId, sessionKey, unionId
}
})
// 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)
}
}
})
}
}
})
// 获取系统状态栏信息
wx.getSystemInfo({
success: e => {
this.globalData.StatusBar = e.statusBarHeight;
let capsule = wx.getMenuButtonBoundingClientRect();
if (capsule) {
this.globalData.Custom = capsule;
this.globalData.CustomBar = capsule.bottom + capsule.top - e.statusBarHeight;
} else {
this.globalData.CustomBar = e.statusBarHeight + 50;
}
}
})
},
globalData: {
userInfo: null
}
})