小程序经纬度距离

 

 

app.json  

"permission": {
    "scope.userLocation": {
      "desc": "你的位置信息将用于小程序位置接口的效果展示"
    }
  }

 

用到的页面
  
onShow: function () {
    var that = this;
    wx.getLocation({
      type: 'gcj02', //返回可以用于wx.openLocation的经纬度
      success: (res) => {
        console.log(res.longitude);
        console.log(res.latitude);
        that.setData({
          longitude: res.longitude,
          latitude: res.latitude,
        })
      }
    });
    setTimeout(function(){that.getlist()},1000);
  },

  getlist:function(){
    var that = this;
    var url = App.globalData.URL + 'ymt/same_city'; 
    App.wxRequest('POST',url,{
      user_id:wx.getStorageSync('user_id'), //差一个定位参数
      latitude:that.data.latitude,
      longitude: that.data.longitude,
    },(res)=>{
    if(res.code == 200){
      console.log(res.data)
      that.setData({
        shoplist:res.data,
      })
    }else {
        wx.showToast({
        title: res.msg,
        icon: 'loading',
        duration: 1000
        })
    }
  });
  },

 

 

 

     //http://api.map.baidu.com/lbsapi/getpoint/
    //$begin = $latitude.",".$longitude; 
    public function find_distance($begin,$end){
        
        $web_key = '63VBZ-GV334-GCOUM-XIU7S-4OOV2-RHF5T'; //企业号有IP限制
        $test_key = 'TVFBZ-V3WWU-ZQNVH-2EDJZ-ZSIIH-NPBOD'; //测试KEY
        $url="https://apis.map.qq.com/ws/distance/v1/matrix?mode=driving&from=".$begin."&to=".$end."&key=".$test_key;
        $this->writeLog("距离",$url);

        $res = file_get_contents($url);
        $ar = json_decode($res,true);
        if(isset($ar['result']["rows"][0]["elements"][0]["distance"])){
           return $ar['result']["rows"][0]["elements"][0]["distance"];  //单位：米
        }
        return 0;
    }