获取坐标 :

<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>