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app.js
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//app.js
//模版数据
const tabBarTpl = require('/utils/template.js')
App({
onLaunch: function () {
//隐藏系统tabbar
wx.hideTabBar();
// 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)
}
}
})
}
}
})
},
editTabbar: function () {
let _tabbar = this.globalData.tabBar;
let _currentPages = getCurrentPages();
let _this = _currentPages[_currentPages.length - 1];
let _pagePath = _this.route;
(_pagePath.indexOf('/') != 0) && (_pagePath = '/' + _pagePath);
for (let i in _tabbar.list) {
_tabbar.list[i].active = false;
(_tabbar.list[i].pagePath == _pagePath) && (_tabbar.list[i].active = true);
}
_this.setData({
tabBar: _tabbar
});
},
globalData: {
userInfo: null,
tabBar: tabBarTpl
}
})