<!DOCTYPE html>

<html>

<body>

<p id="demo">点击这个按钮，获得您的坐标：</p>

<button onclick="getLocation()">试一下</button>

<script>

var x=document.getElementById("demo");

function getLocation()

  {

  if (navigator.geolocation)

    {

    navigator.geolocation.getCurrentPosition(showPosition);

    }

  else{x.innerHTML="Geolocation is not supported by this browser.";}

  }

function showPosition(position)

  {

  x.innerHTML="Latitude: " + position.coords.latitude +

  "<br />Longitude: " + position.coords.longitude;

  }

</script>

</body>

</html>

说明：html5的定位还比较准，我在Android与iphone上都有测试过，另外这种定位方式也比较简单