1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <title>地理位置测试</title> 6 <script type="text/javascript" src="http://api.map.baidu.com/api?v=1.3"></script> 7 <script type="text/javascript" src="http://developer.baidu.com/map/jsdemo/demo/convertor.js"></script> 8 <script type="text/javascript"> 9 var map; 10 var gpsPoint; 11 var baiduPoint; 12 var gpsAddress; 13 var baiduAddress; 14 15 function getLocation() { 16 //根据IP获取城市 17 var myCity = new BMap.LocalCity(); 18 myCity.get(getCityByIP); 19 20 //获取GPS坐标 21 if (navigator.geolocation) { 22 navigator.geolocation.getCurrentPosition(showMap, handleError, { enableHighAccuracy: true, maximumAge: 1000 }); 23 } else { 24 alert("您的浏览器不支持使用HTML 5来获取地理位置服务"); 25 } 26 } 27 28 function showMap(value) { 29 var longitude = value.coords.longitude; 30 var latitude = value.coords.latitude; 31 map = new BMap.Map("map"); 32 //alert("坐标经度为：" + latitude + "， 纬度为：" + longitude ); 33 gpsPoint = new BMap.Point(longitude, latitude); // 创建点坐标 34 map.centerAndZoom(gpsPoint, 15); 35 36 //根据坐标逆解析地址 37 var geoc = new BMap.Geocoder(); 38 geoc.getLocation(gpsPoint, getCityByCoordinate); 39 40 BMap.Convertor.translate(gpsPoint, 0, translateCallback); 41 } 42 43 translateCallback = function (point) { 44 baiduPoint = point; 45 var geoc = new BMap.Geocoder(); 46 geoc.getLocation(baiduPoint, getCityByBaiduCoordinate); 47 } 48 49 // function getCityByCoordinate(rs) { 50 // gpsAddress = rs.addressComponents; 51 // var address = "GPS标注：" + gpsAddress.province + "," + gpsAddress.city + "," + gpsAddress.district + "," + gpsAddress.street + "," + gpsAddress.streetNumber; 52 // var marker = new BMap.Marker(gpsPoint); // 创建标注 53 // map.addOverlay(marker); // 将标注添加到地图中 54 // var labelgps = new BMap.Label(address, { offset: new BMap.Size(20, -10) }); 55 // marker.setLabel(labelgps); //添加GPS标注 56 // } 57 58 function getCityByBaiduCoordinate(rs) { 59 baiduAddress = rs.addressComponents; 60 var address = "百度标注：" + baiduAddress.province + "," + baiduAddress.city + "," + baiduAddress.district + "," + baiduAddress.street + "," + baiduAddress.streetNumber; 61 var marker = new BMap.Marker(baiduPoint); // 创建标注 62 map.addOverlay(marker); // 将标注添加到地图中 63 var labelbaidu = new BMap.Label(address, { offset: new BMap.Size(20, -10) }); 64 marker.setLabel(labelbaidu); //添加百度标注 65 } 66 67 //根据IP获取城市 68 function getCityByIP(rs) { 69 var cityName = rs.name; 70 alert("根据IP定位您所在的城市为:" + cityName); 71 } 72 73 function handleError(value) { 74 switch (value.code) { 75 case 1: 76 alert("位置服务被拒绝"); 77 break; 78 case 2: 79 alert("暂时获取不到位置信息"); 80 break; 81 case 3: 82 alert("获取信息超时"); 83 break; 84 case 4: 85 alert("未知错误"); 86 break; 87 } 88 } 89 90 function init() { 91 getLocation(); 92 } 93 94 window.onload = init; 95 96 </script> 97 </head> 98 <body> 99 <div id="map" style="600px;height:600px;"></div> 100 </body> 101 </html>