510_laomengkuang_wxsmall_customer/laomenkuang_project/app.js

//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)
    var openid = wx.getStorageSync('openid') || "";
    console.log(this.globalData.present_id)
    // 登录
    if (!openid){
      wx.login({
        success: res => {
          // 发送 res.code 到后台换取 openId, sessionKey, unionId
          // console.log(res)
          if (res.code) {
            console.log(res.code)
            wx.request({
              url: this.globalData.httpUrl+'openid',
              header: {
                code: res.code
              },
              success: e => {
                console.log(e)
                if (e.data.code == 200) {
                  this.globalData.openId = e.data.data.openid;
                  this.globalData.session_key = e.data.data.session_key;
                  this.globalData.token = e.data.data.token;
                  wx.setStorageSync('openid', e.data.data.openid)
                  wx.setStorageSync('session_key', e.data.data.session_key)
                  wx.setStorageSync('token', e.data.data.token)
                  // if (this.globalData.openidSuccessFuc) {
                  //   this.globalData.openidSuccessFuc();
                  // }
                }
              }
            })
          } else {
            console.log("登陆失败" + res.errMsg)
          }
        }
      })
    }else{
      this.globalData.openid = openid;
    }
    this.getUserType();
    // 获取用户信息
    // wx.getSetting({
    //   success: res => {
    //     console.log(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: e => {
    //           // 可以将 res 发送给后台解码出 unionId
    //           this.globalData.userInfo = e.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)
    //           }
    //         }
    //       })
    //     }else{
    //       wx.authorize({
    //         scope: 'scope.record',
    //         success() {
    //           wx.getUserInfo({
    //             success: e => {
    //               console.log(e)
    //             }
    //           })
    //         }
    //       })
    //     }
    //   }
    // })
  },
  getUserType:function(){//获取用户注册状态

    this.wxRequest(this.globalData.httpUrl + 'getinfo',{},e=>{
      // console.log(e)
      if(e.code==201){//未注册跳到注册页面
        wx.reLaunch({
          url: '/pages/register/register'
        })
      } else if (e.code == 202){//已注册
        if (this.globalData.present_id){
          wx.reLaunch({
            url: '/pages/receiveTicket/receiveTicket?shareId=' + this.globalData.present_id + "&number=" + this.globalData.number
          })
        } else {
          wx.switchTab({
            url: '/pages/index/index'
          })
        }
      }
    },this)
  },
  globalData: {
    openidSuccessFuc: null,//方法回调
    userInfo: null,
    present_id:"",//判断用户是通过领取优惠券进来的还是直接进的
    number:"",//赠送优惠券的数量
    openId:"",
    session_key:"",
    token:"",
    userInfo:"",
    httpUrl:"https://laomenkuang.jiyou-tech.com/apiWx/"
  },
  wxRequest: function (url, params, callback, thisArg, methods, openid) {
    let that = this;
    // console.log(this.globalData.openid)
    var httpUrl = url;
    var str = "";
    var count = 0;
    for (let key in params) {
      if (count) {
        str += "&" + key + "=" + params[key];
      } else {
        str += key + "=" + params[key];
      }
      count++;
    }
    if (str) {
      httpUrl += "?" + str;
    }
    if (!methods) {
      methods = "GET";
    }
    if (methods == "POST") {
      wx.request({
        url: url,
        data: params,
        method: methods,
        header: {
          "content-type": "application/x-www-form-urlencoded",
          "openid": this.globalData.openid
        },
        success: function (re) {
          // if (re.data.code == -1002) {
          //   wx.removeStorageSync('openid');
          //   that.wxLogin();
          //   // that.wxRequest(url, params, callback, thisArg, methods, openid);
          // }
          if (callback && thisArg) {
            callback.call(thisArg, re.data);
          }
        },
        fail: function (re) {
          wx.hideLoading();
        }
      })
    } else {
      wx.request({
        url: httpUrl,
        method: methods,
        header: {
          "openid": this.globalData.openid,
        },
        success: function (re) {
          // if (re.data.code == -1002) {
          //   wx.removeStorageSync('openid');
          //   that.wxLogin();
          //   // that.wxRequest(url, params, callback, thisArg, methods, openid);
          // }
          if (callback && thisArg) {
            callback.call(thisArg, re.data);
          }
        },
        fail: function (res) {
          wx.hideLoading();
        }
      })
    }
  },
  // requestGet:function(url,data,callback){//get接口调用
  //   wx.request({
  //     url: url, 
  //     header: {
  //         "openid": this.globalData.openId
  //     },
  //     data: data,
  //     success:res=>{
  //       if (callback) {
          
  //       }
  //     }
      
      
  //   })
  // },
  // requestPost: function (url, data) {//post接口调用
  //   wx.request({
  //     url: url,
  //     header: {
  //       "Content-Type":"application/x-www-form-urlencoded",
  //       openid: this.globalData.openId
  //     },
  //     data: data,
  //     success(res) {
  //       console.log(res.data)
  //     }
  //   })
  // }
})