html5代码,获取地理位置

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8"/>
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"/>
    <title>大名</title>
    <meta content="yes" name="apple-mobile-web-app-capable"/>
    <meta content="black" name="apple-mobile-web-app-status-bar-style"/>
    <meta content="telephone=no" name="format-detection"/>
</head>
<body>
2121212121212wwwwwwwwwww
 <button id="testbutton">测试按钮</button>
 <script type="text/javascript">
 /**
* 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");
    //
    var province = json.province;
    //
    var city = json.city;
    //
    var district = json.district;
    province = province.replace('', ''); 
    position.value = province + "," + city + "," + district;
    position.style.color = 'black';
}


var button = document.getElementById("testbutton");
button.onclick = function(){
getLocation();

}
 
 </script>
</body>
</html>

 

posted @ 2015-12-23 15:59  孙首富  阅读(757)  评论(0编辑  收藏  举报