代码如下:

/**
* 以下为html5代码,获取地理位置
*/
function getLocation() {
//检查浏览器是否支持地理位置获取
if (navigator.geolocation) {
//若支持地理位置获取,成功调用showPosition(),失败调用showError
// alert(\"正在努力获取位置...\");
var config = { enableHighAccuracy: true, timeout: 5000, maximumAge: 30000 };
navigator.geolocation.getCurrentPosition(showPosition, showError, config);
} else {
//alert(\"Geolocation is not supported by this browser.\");
alert(\"定位失败,用户已禁用位置获取权限\");
}
}
/**
* 获取地址位置成功
*/
function showPosition(position) {
//获得经度纬度
var x = position.coords.latitude;
var y = position.coords.longitude;
//配置Baidu Geocoding API
var url = \"http://api.map.baidu.com/geocoder/v2/?ak=C93b5178d7a8ebdb830b9b557abce78b\" +
\"&callback=renderReverse\" +
\"&location=\" + x + \",\" + y +
\"&output=json\" +
\"&pois=0\";
$.ajax({
type: \"GET\",
dataType: \"jsonp\",
url: url,
success: function (json) {
if (json == null || typeof (json) == \"undefined\") {
return;
}
if (json.status != \"0\") {
return;
}
setAddress(json.result.addressComponent);
},
error: function (XMLHttpRequest, textStatus, errorThrown) {
alert(\"[x:\" + x + \",y:\" + y + \"]地址位置获取失败,请手动选择地址\");
}
});
}
/**
* 获取地址位置失败[暂不处理]
*/
function showError(error) {
switch (error.code) {
case error.PERMISSION_DENIED:
alert(\"定位失败,用户拒绝请求地理定位\");
//x.innerHTML = \"User denied the request for Geolocation.[用户拒绝请求地理定位]\"
break;
case error.POSITION_UNAVAILABLE:
alert(\"定位失败,位置信息是不可用\");
//x.innerHTML = \"Location information is unavailable.[位置信息是不可用]\"
break;
case error.TIMEOUT:
alert(\"定位失败,请求获取用户位置超时\");
//x.innerHTML = \"The request to get user location timed out.[请求获取用户位置超时]\"
break;
case error.UNKNOWN_ERROR:
alert(\"定位失败,定位系统失效\");
//x.innerHTML = \"An unknown error occurred.[未知错误]\"
break;
}
}
/**
* 设置地址
*/
function setAddress(json) {
var position = document.getElementById(\"txtPosition\");
//省
var province = json.province;
//市
var city = json.city;
//区
var district = json.district;
province = province.replace(\'市\', \'\');
position.value = province + \",\" + city + \",\" + district;
position.style.color = \'black\';
}