applet/edition1.0.0/utils/util copy.js

var rootDocment = 'https://data.kuxuan.com';//域名
// var rootDocment = 'http://47.93.151.217:8006';//测试域名  
// var rootDocment = 'http://apitbk.726p.com';//预发域名
var md5 = require('./md5.js');
var count = 0;
wx.setStorageSync('doneLogin',false)
function req(url, method, data, cb, fail_cb, selfHeader) {
  var dataes = {'admin_id':wx.getStorageSync('admin_id'),
              'ttl':wx.getStorageSync('ttl'),
              'sign':wx.getStorageSync('sign')}
  var header = {
    'sessionKey':wx.getStorageSync('session_key')?wx.getStorageSync('session_key'):false
  }
  wx.request({
    url: rootDocment + url,
    data: data ? Object.assign(data, dataes) : dataes,
    method: method,
    header: selfHeader ? Object.assign(selfHeader,header) : header,
    success: function (res) {
      if(res.data.errno == '4002' || res.data.errno == '4001'){
        console.log(count+"~~"+wx.getStorageSync('isLogin')+"~~~~~"+wx.getStorageSync('doneLogin'))
        if(!wx.getStorageSync('isLogin')&&!wx.getStorageSync('doneLogin')){
          // 新加
          wx.setStorageSync('doneLogin',true);
          checkSession()
          return;
        }else{
          console.log(count + '~~~~~')
          if(count>=1||wx.getStorageSync('doneLogin')){
            return
          }
            wx.clearStorage()
            wx.setStorageSync('isRequest',true)
            wx.setStorageSync('doneLogin',true)
            count++;
            console.log("过期~~~"+count)
            login()
        }
      }else{
        count = 0;
        return typeof cb == "function" && cb(res.data)
      }
    },
    fail: function (err) {
      // if(!wx.getStorageSync('doneLogin')) {
      //   wx.setStorageSync('doneLogin',false)
      //   count = 0;
      //   console.log("跳转授权2")
      //   wx.redirectTo({
      //     url: '/pages/welcome/welcome?from=index',
      //   })
      // }
      console.log("失败")
      return typeof fail_cb == "function" && fail_cb(err)
    }
  })
}
module.exports = {
  req: req
} 
//判断微信登录是否过期
function checkSession (cb) {
  var _this = this;
  wx.checkSession({
    success (cb) {
      //session_key 未过期，并且在本生命周期一直有效
      console.log('未过期')
      console.log(cb)
      console.log(!wx.getStorageSync('isLogin') +"~~~"+ !wx.getStorageSync('isRequest'))
      wx.setStorageSync('hasWxLogin',true);//微信登录是否过期
      if(!wx.getStorageSync('isLogin') && !wx.getStorageSync('isRequest')){
        login()
      }else{
        wx.setStorageSync('doneLogin', false)
        count=0;
        wx.switchTab({
          url: '/pages/index/index',
        })
      }
    },
    fail () {
      console.log('过期，重新登录')
      // session_key 已经失效，需要重新执行登录流程
      login()
    }
  })
}
// 旧login
function login(){
  var _this = this;
  console.log("新login")
  wx.getSetting({
    success: function(res){
      if (res.authSetting['scope.userInfo']) {
        wx.getUserInfo({
          success:function (e){
            console.log(e)
            wx.setStorageSync('encryptedData',e.encryptedData)
            wx.setStorageSync('iv',e.iv)
            
            wx.login({
              success (res) {
                if (res.code) {
                  // 发起网络请求 发送 res.code 到后台换取 openId, sessionKey, unionId
                  req('/v2/api/wx/login', 'get', {
                    code: res.code,
                    encrypted_data:wx.getStorageSync('encryptedData'),
                    iv: wx.getStorageSync('iv')
                  }, function (res) {
                    wx.setStorageSync('isRequest', false)
                    if(res && res.errno == 0){
                      //成功
                      var session_key = res.rst.session_key;
                      wx.setStorageSync('session_key',session_key)
                      if(!res.rst.info || res.rst.info.length == 0){//用户未绑定手机号
                      console.log('用户未绑定手机号')
                      }else{
                        wx.setStorageSync('userInfo',res.rst.info)
                        wx.setStorageSync('admin_id',res.rst.info.id)
                        wx.setStorageSync('ttl',res.rst.ttl)
                        var sign=md5.hex_md5("random="+res.rst.random+"&ttl="+res.rst.ttl+"&user_id="+res.rst.info.id);
                        wx.setStorageSync('sign',sign)
                        wx.setStorageSync('isLogin',true)
                        wx.setStorageSync('doneLogin', false)
                        count = 0;
                        wx.switchTab({
                          url: '/pages/index/index?from=login',
                          success: function(res){
                            //小程序跳转页面后，动态刷新跳转页面
                            var page = getCurrentPages().pop();
                            console.log("页面ing")
                            console.log(page)
                            if (page == undefined || page == null) return;
                              page.onLoad();
                              console.log("刷新")
                            },
                        })
                      }
                    }else{
                      wx.redirectTo({
                        url: '/pages/welcome/welcome',
                      })
                    }
                  },()=>{
                    count = 0;
                    wx.setStorageSync('doneLogin', false)
                    console.log("跳转授权3")
                    count = 0;
                    wx.setStorageSync('doneLogin', false)
                    wx.redirectTo({
                      url: '/pages/welcome/welcome',
                    })
                  })
                } else {
                  console.log('登录失败！' + res.errMsg)
                }
              }
            })
          }
        })
      }else{
        count = 0;
        wx.setStorageSync('doneLogin', false)
        //未授权
        console.log("跳转授权4")
        wx.redirectTo({
          url: '/pages/welcome/welcome',
        })
        return
      }
    }
  })
}