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app.js
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app.js
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//app.js
App({
onLaunch: function () {
//隐藏系统tabbar
wx.hideTabBar();
//获取设备信息
this.getSystemInfo();
// 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)
}
}
})
}
}
})
},
onShow: function () {
//隐藏系统tabbar
wx.hideTabBar();
},
getSystemInfo: function () {
let t = this;
wx.getSystemInfo({
success: function (res) {
t.globalData.systemInfo = 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].selected = false;
(tabbar.list[i].pagePath == pagePath) && (tabbar.list[i].selected = true);
}
_this.setData({
tabbar: tabbar
});
},
globalData: {
systemInfo: null,//客户端设备信息
userInfo: null,
tabBar: {
"backgroundColor": "#ffffff",
"color": "#979795",
"selectedColor": "#1c1c1b",
"list": [
{
"pagePath": "/pages/index/index",
"iconPath": "icon/icon_home.png",
"selectedIconPath": "icon/icon_home_HL.png",
"text": "首页"
},
{
"pagePath": "/pages/middle/middle",
"iconPath": "icon/icon_release.png",
"isSpecial": true,
"text": "发布"
},
{
"pagePath": "/pages/mine/mine",
"iconPath": "icon/icon_mine.png",
"selectedIconPath": "icon/icon_mine_HL.png",
"text": "我的"
}
]
}
}
})