腾讯地图定位及坐标解析
一个项目,需要打开地图后点击获取地址
用的腾讯地图开放平台,对着文档花了一上午弄出来了
代码:
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>前端定位模块</title> <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no"> <style> #pos-area{ height:500px; 100%; } #poi_lat{color:red;} #poi_lng{color:green;} #poi_address{color:blue;} </style> <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script charset="utf-8" src="https://map.qq.com/api/js?v=2.exp&key=OB4BZ-D4W3U-B7VVO-4PJWW-6TKDJ-WPB77"></script> <script type="text/javascript" src="https://3gimg.qq.com/lightmap/components/geolocation/geolocation.min.js"></script> </head> <body> <h1>腾讯地图测试</h1> <div>您在当的位置(经度:<span id="now_lat"></span>,纬度:<span id="now_lng"></span>)<button type="button" onclick="geolocation.getLocation(showPosition, showErr, options)">获取当前位置</button></div> <div>您点击的位置(经度:<span id="poi_lat"></span>,纬度:<span id="poi_lng"></span>,解析出来的地址:<span id="poi_address"></span>)</div> <div id="pos-area"> </div> <script type="text/JavaScript"> var appkey ="A4KBZ-LUZE3-VPW3T-YGU5N-SIT2S-5ZFVH"; var geolocation = new qq.maps.Geolocation(appkey, "myapp"); var options = {timeout: 8000}; $(function(){ //加载完成后就取当前位置 geolocation.getLocation(showPosition, showErr, options); }) function showPosition(position) { console.log(position); $('#now_lat').html(position.lat); $('#now_lng').html(position.lng); $('#poi_lat').html(position.lat); $('#poi_lng').html(position.lng); //取出位置坐标了,设置地图显示出来 var map = new qq.maps.Map(document.getElementById("pos-area"), { // 地图的中心地理坐标。 center: new qq.maps.LatLng(position.lat,position.lng), zoom:15 }); //添加标记 var marker = new qq.maps.Marker({ position: new qq.maps.LatLng(position.lat,position.lng), map: map }); //解析地址 jiexiaddress(position.lat,position.lng); //绑定地图点击事件 qq.maps.event.addListener(map, "click", function (e) { $('#poi_lat').html(e.latLng.getLat().toFixed(6)); $('#poi_lng').html(e.latLng.getLng().toFixed(6)); //先移除标记,再添加标记 marker.setMap(null); marker = new qq.maps.Marker({ position: new qq.maps.LatLng(e.latLng.getLat(),e.latLng.getLng()), map: map }); jiexiaddress(e.latLng.getLat(),e.latLng.getLng()); }); }; function showErr() { alert("定位失败!"); }; //解析地址 function jiexiaddress(lat,lng){ var url3 = encodeURI("https://apis.map.qq.com/ws/geocoder/v1/?location=" + lat + "," + lng + "&key="+appkey+"&output=jsonp&&callback=?"); $.getJSON(url3, function (result) { if(result.result!=undefined){ $('#poi_address').html(result.result.address); }else{ $('#poi_address').html(''); } }) } </script> </body> </html>效果图:
备注:微信里打的话需要用https地址才能取得权限,在手机浏览器打开就可以不用了,还有记得在腾讯控制台那里把webserviceapi打开并加上域名
预览地址:https://www.niunan.net/qqmapdemo.html