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/*** 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
"&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‘;
} |