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  • 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>
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  • 原文地址:https://www.cnblogs.com/sunshq/p/5070211.html
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