手机端GPS定位结合百度地图实现定位

Posted xzzzys

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html页面：

<!DOCTYPE html> 
<html> 
<head> 
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no" /> 
    <style type="text/css"> 
        body, html, #allmap { 
            width: 100%; 
            height: 100%; 
            overflow: hidden; 
            margin: 0; 
            font-family: "微软雅黑"; 
        } 
    </style> 
    <script type="text/javascript" src="https://api.map.baidu.com/api?v=2.0&ak=密钥"></script> 
    <title></title> 
</head> 
<body> 
    <p id="allmap"></p>
</body> 
</html>
 
JS部分：
<script type="text/javascript"> 
 
    var x = ""; 
    var y = ""; 
    var dizhi = ""; 
 
    function getLocation(){ 
        if (navigator.geolocation) { 
            navigator.geolocation.getCurrentPosition(showPosition,showError); 
        }else{ 
            alert("浏览器不支持地理定位。"); 
        } 
    } 
 
    function showPosition(position){ 
      
 
        y = position.coords.latitude;//纬度 
        x = position.coords.longitude;//经度 
           
 
        // 百度地图API功能 
        //GPS坐标 
        var x = 116.32715863448607; 
        var y = 39.990912172420714; 
        var ggPoint = new BMap.Point(x, y); 
           
        //地图初始化 
        var bm = new BMap.Map("allmap"); 
 
        bm.centerAndZoom(ggPoint, 15); 
        bm.addControl(new BMap.NavigationControl()); 
        bm.enableScrollWheelZoom();   //启用滚轮放大缩小，默认禁用 
        bm.enableContinuousZoom();    //启用地图惯性拖拽，默认禁用 
        bm.addEventListener("tilesloaded", function () { });//地图加载完成 
 
        var gc = new BMap.Geocoder(); 
 
 
        bm.addEventListener("click", function (e) { 
               
            ggPoint = new BMap.Point(e.point.lng, e.point.lat); 
            gc.getLocation(ggPoint, function (rs) { 
                  
                var addComp = rs.addressComponents; 
                var mapAddress = addComp.province + addComp.city + addComp.district 
                + addComp.street + addComp.streetNumber; 
 
                dizhi = mapAddress; 
 
                if (confirm(dizhi)) { 
                    window.location.href = "succes.html" 
                } 
 
                var marker = new BMap.Marker(ggPoint); // 创建点 
                bm.addOverlay(marker); 
                var label = new BMap.Label("您选择的位置为"+dizhi, { offset: new BMap.Size(20, -10) }); 
                marker.setLabel(label); //添加百度label 
                bm.setCenter(ggPoint); 
            }); 
        }); 
           
              
          
 
        bm.addControl(new BMap.NavigationControl()); 
 
 
 
        //坐标转换完之后的回调函数 
        translateCallback = function (data) { 
            if (data.status === 0) { 
                var marker = new BMap.Marker(data.points[0]); 
                bm.addOverlay(marker); 
                marker.setAnimation(BMAP_ANIMATION_BOUNCE); //跳动的动画 
                //marker.enableDragging();//可拖拽 
                //var label = new BMap.Label("您所在的位置", { offset: new BMap.Size(20, -10) }); 
                //marker.setLabel(label); //添加百度label 
                //bm.setCenter(data.points[0]); 
 
                  
 
                //var a=BMap.Convertor(ggPoint, 0); 
 
 
                gc.getLocation(data.points[0], function (rs) { 
                    //alert(rs.sematic_description); 
 
                    var addComp = rs.addressComponents; 
                    var mapAddress = addComp.province + addComp.city + addComp.district 
                    + addComp.street + addComp.streetNumber; 
 
                    dizhi = mapAddress; 
 
                    confirm(dizhi); 
                    if (confirm(dizhi)) { 
                        window.location.href = "succes.html" 
                    } 
 
                    var label = new BMap.Label("定位您所在的位置为"+dizhi, { offset: new BMap.Size(20, -10) }); 
                    marker.setLabel(label); //添加百度label 
                    bm.setCenter(data.points[0]); 
 
                }); 
                                      
            } 
        } 
 
        setTimeout(function () { 
            var convertor = new BMap.Convertor(); 
            var pointArr = [] 
            pointArr.push(ggPoint); 
            convertor.translate(pointArr, 1, 5, translateCallback) 
        }, 1000); 
 
 
    } 
 
    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"); 
                break; 
            case error.POSITION_UNAVAILABLE: 
                alert("定位失败,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"); 
                break; 
            case error.UNKNOWN_ERROR: 
                alert("定位失败,定位系统失效"); 
                break; 
        } 
    } 
 
    getLocation(); 
 
 
</script>

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