[Html5]HTML5定位在百度地图API上的应用
测试浏览器:ie11定位成功率100%,Safari定位成功率97%。其它浏览器暂时不行,HTML5获取不了地理位置信息
测试浏览器:ie11定位成功率100%,Safari定位成功率97%。其它浏览器暂时不行,HTML5获取不了地理位置信息。
- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <title>HTML5定位</title>
- <script type="text/javascript" src="http://lib.sinaapp.com/js/jquery/1.7.2/jquery.min.js"></script>
- <script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=wqBXfIN3HkpM1AHKWujjCdsi"></script>
- <script type="text/javascript" src="http://developer.baidu.com/map/jsdemo/demo/convertor.js"></script>
- <style type="text/css">
- *{ margin: 0px; padding: 0px;}
- body{text-align: center; height: 100%;overflow:hidden;}
- #allmap{ width: 100%;height: 100%; position: absolute;}
- </style>
- </head>
- <body>
- <div id="allmap"></div>
- <script type="text/javascript">
- $(function(){
- if(supportsGeoLocation()){
- alert("你的浏览器支持 GeoLocation.");
- }else{
- alert("不支持 GeoLocation.")
- }
- // 检测浏览器是否支持HTML5
- function supportsGeoLocation(){
- return !!navigator.geolocation;
- }
- // 单次位置请求执行的函数
- function getLocation(){
- navigator.geolocation.getCurrentPosition(mapIt,locationError);
- }
- //定位成功时,执行的函数
- function mapIt(position){
- var lon = position.coords.longitude;
- var lat = position.coords.latitude;
- // alert("您位置的经度是:"+lon+" 纬度是:"+lat);
- var map = new BMap.Map("allmap");
- var point = new BMap.Point(""+lon+"",""+lat+"");
- map.centerAndZoom(point,19);
- var gc = new BMap.Geocoder();
- translateCallback = function (point){
- var marker = new BMap.Marker(point);
- map.addOverlay(marker);
- map.setCenter(point);
- gc.getLocation(point, function(rs){
- var addComp = rs.addressComponents;
- if(addComp.province!==addComp.city){
- var sContent =
- "<div><h4 style='margin:0 0 5px 0;padding:0.2em 0'>你当前的位置是:</h4>" +
- "<p style='margin:0;line-height:1.5;font-size:13px;text-indent:2em'>"+addComp.province + ", " + addComp.city + ", " + addComp.district + ", " + addComp.street + ", " + addComp.streetNumber+"</p>" +
- "</div>";}
- else{
- var sContent =
- "<div><h4 style='margin:0 0 5px 0;padding:0.2em 0'>你当前的位置是:</h4>" +
- "<p style='margin:0;line-height:1.5;font-size:13px;text-indent:2em'>"+ addComp.city + ", " + addComp.district + ", " + addComp.street + ", " + addComp.streetNumber+"</p>" +
- "</div>";
- }
- var infoWindow = new BMap.InfoWindow(sContent);
- map.openInfoWindow(infoWindow,point);
- });
- }
- BMap.Convertor.translate(point,0,translateCallback);
- }
- // 定位失败时,执行的函数
- function locationError(error)
- {
- switch(error.code)
- {
- case error.PERMISSION_DENIED:
- alert("User denied the request for Geolocation.");
- break;
- case error.POSITION_UNAVAILABLE:
- alert("Location information is unavailable.");
- break;
- case error.TIMEOUT:
- alert("The request to get user location timed out.");
- break;
- case error.UNKNOWN_ERROR:
- alert("An unknown error occurred.");
- break;
- }
- }
- // 页面加载时执行getLocation函数
- window.onload = getLocation;
- })
- </script>
- </body>
- </html>
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