minixyz/app.js

//app.js
App({
  onLaunch: function () {
    // 登录
    wx.login({
      success: res => {
        let self = this;
        wx.request({
          url: `https://api.weixin.qq.com/sns/jscode2session?appid=wxfdaeb25e38c4c47e&secret=e5b5055cbc608d10c6de0d877c221270&js_code=${res.code}&grant_type=authorization_code`,
          data:{},
          success:function(res){
            self.globalData.userId.openid = res.data.openid;
            self.globalData.userId.unionid = res.data.unionid;
          }
        })
        // 发送 res.code 到后台换取 openId, sessionKey, unionId
      }
    })
    // 获取用户信息
    wx.getSetting({
      success: res => {
        let self = this;
        if (res.authSetting['scope.userInfo']) {
          let local_session_id = wx.getStorageSync('session_id');
          if (local_session_id == '') {
            wx.getUserInfo({
              success: res => {
                // 可以将 res 发送给后台解码出 unionId
                self.globalData.userInfo = res.userInfo;
                self.globalData.userInfo.nickname = res.userInfo.nickName;
                let userInfo = Object.assign({}, self.globalData.userId, self.globalData.userInfo);
                wx.request({
                  url: 'https://passport.lrlz.com/mobile/index.php?act=login&op=wxauthor&client_type=ios',
                  method: 'GET',
                  data: {
                    user_info: userInfo
                  },
                  success: function (res) {
                    wx.setStorageSync('session_id', res.data.datas.HPHPSESSID);
                    if (res.statusCode == 200) {
                      let current_url = "/" + getCurrentPages()[0].route;
                      wx.reLaunch({
                        url: current_url
                      });
                    }
                    else {

                    }
                  }
                })
                // 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)
                }
              }
            })
          }
        }
        else {
          wx.authorize({
            scope:'scope.userInfo',
            success:function(res){
              wx.getUserInfo({
                success: res => {
                  // 可以将 res 发送给后台解码出 unionId
                  self.globalData.userInfo = res.userInfo;
                  self.globalData.userInfo.nickname = res.userInfo.nickName;
                  let userInfo = Object.assign({}, self.globalData.userId, self.globalData.userInfo);
                  wx.request({
                    url: 'https://passport.lrlz.com/mobile/index.php?act=login&op=wxauthor&client_type=ios',
                    method:'GET',
                    data:{
                      user_info: userInfo
                    },
                    success:function(res){
                      wx.setStorageSync('session_id', res.data.datas.HPHPSESSID);
                      if (res.statusCode == 200) {
                        let current_url = "/" + getCurrentPages()[0].route;
                        wx.reLaunch({
                          url: current_url
                        });
                      }
                      else {

                      }
                    }
                  })
                  // 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)
                  }
                }
              })
            }
          });
        }
      }
    })
  },
  globalData: {
    userId:{
      openid:'',
      unionid:''
    },
    userInfo: {}
  }
})