function success(position){

            alert("猎取位置胜利",position.coords);
            
            document.write("维度",position.coords.latitude,"经度",position.coords.longitude,"坐标精度",position.coords.accuracy)
        }
        function error(positionError){
            alert('猎取位置失利：',positionError.code,positionError.Message)
            document.write(positionError.code,positionError.Message)
        }
        var options = {
            enableHighaccuracy:false,
            timeout:3000,
            maximumAge:0
        }
        if(navigator.geolocation){
            console.log("支撑定位")
            navigator.geolocation.getCurrentPosition(success,error,options)
        }else{
            alert("不支撑定位")
        }