//index.js
//获取应用实例
const app = getApp()Page({globalData: {appid: 'wx4abc8f71681a89e0',//appid需自己提供secret: '5bf1b1597b219f8a6d77eab59314b885',//secret需自己提供，此处的
  },data: {motto: '技术带来改变',userInfo: {},openid: '',hasUserInfo: false,canIUse: wx.canIUse('button.open-type.getUserInfo')},//事件处理函数
  bindViewTap: function() {wx.switchTab({url: '../task/task'})},onLoad: function() {if (app.globalData.userInfo) {this.setData({userInfo: app.globalData.userInfo,hasUserInfo: true});} else if (this.data.canIUse) {// 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app.userInfoReadyCallback = res => {this.setData({userInfo: res.userInfo,hasUserInfo: true})}this.LoadUserSub(); //获取openid 并且注册
      } else {// 在没有 open-type=getUserInfo 版本的兼容处理
      wx.getUserInfo({success: res => {app.globalData.userInfo = res.userInfothis.setData({userInfo: res.userInfo,hasUserInfo: true})}});}},getUserInfo: function(e) {app.globalData.userInfo = e.detail.userInfowx.setStorageSync('userInfo', e.detail.userInfo);//存储userInfothis.setData({userInfo: e.detail.userInfo,hasUserInfo: true})this.register();//注册
  },LoadUserSub: function () {var that = this;var user = wx.getStorageSync('user') || {};var userInfo = wx.getStorageSync('userInfo') || {};if ((!user.openid || (user.expires_in || Date.now()) < (Date.now() + 600)) && (!userInfo.nickName)) {wx.login({success: function (res) {if (res.code) {var d = that.globalData;//这里存储了appid、secret、token串  var l = 'https://api.weixin.qq.com/sns/jscode2session?appid=' + d.appid + '&secret=' + d.secret + '&js_code=' + res.code + '&grant_type=authorization_code';wx.request({url: l,data: {},method: 'GET', // OPTIONS, GET, HEAD, POST, PUT, DELETE,
              success: function (res) {var obj = {};obj.openid = res.data.openid;obj.expires_in = Date.now() + res.data.expires_in;wx.setStorageSync('user', obj);//存储openid
                that.setData({openid: res.data.openid,hasUser: true})}});} else {console.log('获取用户登录态失败！' + res.errMsg)}}});}},register:function(){var user = wx.getStorageSync('user') || {};var userInfo = wx.getStorageSync('userInfo') || {};var l = 'http://123.com/index.php/Home/Wechat/register';//这里的域名改下if (user.openid && userInfo.nickName) {wx.request({url: l,data: {openid: user.openid,nickName: userInfo.nickName,avatarUrl: userInfo.avatarUrl,gender: userInfo.gender,province: userInfo.province,city: userInfo.city,country: userInfo.country},method: 'GET', // OPTIONS, GET, HEAD, POST, PUT, DELETE,
        success: function (res) {var userid = 0;wx.setStorageSync('userid', res.data);//存储userid
        }});}   }})