//app.js 
App({ 
 onLaunch: function() { 
 }, 
 getUserInfo: function (cb) { 
 var that = this 
 if (this.globalData.userInfo) { 
  typeof cb == "function" && cb(this.globalData.userInfo) 
 } else { 
  //调用登录接口 
  wx.login({ 
  success: function (res) { 
   if (res.code) { 
   var userid = wx.getStorageSync('scuserid') 
   var sc_session_id = wx.getStorageSync('sc_session_id') 
   var openid = wx.getStorageSync('sc_session_id') 
   if(!userid){ 
     wx.request({ 
     url: 'xxxx/data.php?action=sendCode', 
     data: { 
      code: res.code, 
     }, 
     success: function (res) { 
      //console.log(res) 
      var status = res.data.status 
      if(status == 1){ 
       wx.showToast({ 
       title: res.data.message, 
       icon: 'success', 
       duration: 2000 
       }) 
      }else if(status == 2){ 
       var scuserid = res.data.userid 
       if(scuserid > 0){ 
        //缓存user_id 
        wx.setStorageSync('scuserid', scuserid) 
        wx.setStorageSync('openid', res.data.openid) 
        wx.setStorageSync('sc_session_id', res.data.session_id) 
       } 
      }else{ 
       //缓存session_id 
       wx.setStorageSync('openid', res.data.openid) 
       wx.setStorageSync('sc_session_id', res.data.session_id) 
       //获取用户信息 
       wx.getUserInfo({ 
       success: function (res) { 
        that.globalData.userInfo = res.userInfo 
        typeof cb == "function" && cb(that.globalData.userInfo) 
        //console.log(res); 
        wx.request({ 
        url: 'xxxx/data.php?action=saveUserInfo', 
        data: { 
         userinfo: res.userInfo, 
         openid: wx.getStorageSync('openid'), 
        }, 
        success: function (res) { 
         //console.log(res.data) 
         var status = res.data.status 
         if(status == 1){ 
          wx.showToast({ 
           title: res.data.message, 
           icon: 'success', 
           duration: 2000 
          }) 
         }else{ 
          var scuserid = res.data.userid 
          if(scuserid > 0){ 
          //缓存user_id 
          wx.setStorageSync('scuserid', scuserid) 
          } 
         } 
        } 
        }) 
       } 
       }) 
      } 
     } 
     }) 
   } 
   } 
  } 
  }) 
 } 
 }, 
 globalData: { 
 userInfo: null 
 } 
}) 

//获取纬度，经度 
 wx.getLocation({ 
  type: 'wgs84', 
  success: function (res) { 
  var latitude = res.latitude 
  var longitude = res.longitude 
  wx.request({ 
   url: 'http://XXXXXX/data.php?action=get_dq', 
   data: { 
   latitude: latitude, 
   longitude: longitude 
   }, 
   headers: { 
   'Content-Type': 'application/json' 
   }, 
   success: function (res) { 
   //console.log(res.data) 
   var province = res.data.result.addressComponent.province 
   //console.log(province) 
   var city = res.data.result.addressComponent.city 
   var district = res.data.result.addressComponent.district 
   var diqu = province+city+district 
   //缓存当前所在地区 
   wx.setStorageSync('dq_diqu', diqu) 
   wx.setStorageSync('dq_district', district) 
   } 
  }) 
  } 
 }) 
if($act=="get_dq"){ 
 //获取当然城市 
 //http://api.map.baidu.com/geocoder/v2/?ak=327381a342077a8f3d584251b811cce5&callback=renderReverse&location=30.593099,114.305393&output=json 
 //纬度 
 $latitude = $_REQUEST['latitude']; 
 //经度 
 $longitude = $_REQUEST['longitude']; 
 $url = 'http://api.map.baidu.com/geocoder/v2/?ak=327381a342077a8f3d584251b811cce5&location='.$latitude.','.$longitude.'&output=json'; 
 $result = file_get_contents($url); 
 exit($result); 
}