根据地理位置获取经纬度

var longtitude = 0;
var latitude = 0;
function GetPostion() {
            //通过百度获取经纬度
            var address = "上海市徐家汇";             
            var url = "https://api.map.baidu.com/geocoder/v2/?address=" + address + "&output=json&ak=FG7wxr1VUj0k2NwoO3yXzymd&callback=?";
            $.getJSON(url, function (data) {
                
                longtitude = data.result.location.lng;
                latitude = data.result.location.lat;
        console.log(longtitude,latitude)
            });
}
GetPostion()