騰訊地圖定位及坐標解析
一個項目,需要打開地圖后點擊獲取地址
用的騰訊地圖開放平台,對着文檔花了一上午弄出來了
代碼:
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>前端定位模塊</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; width: 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>騰訊地圖測試</h1> <div>您在當的位置(經度:<span id="now_lat"></span>,緯度:<span id="now_lng"></span>)<button type="button" onclick="geolocation.getLocation(showPosition, showErr, options)">獲取當前位置</button></div> <div>您點擊的位置(經度:<span id="poi_lat"></span>,緯度:<span id="poi_lng"></span>,解析出來的地址:<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(){ //加載完成后就取當前位置 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); //取出位置坐標了,設置地圖顯示出來 var map = new qq.maps.Map(document.getElementById("pos-area"), { // 地圖的中心地理坐標。 center: new qq.maps.LatLng(position.lat,position.lng), zoom:15 }); //添加標記 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); //綁定地圖點擊事件 qq.maps.event.addListener(map, "click", function (e) { $('#poi_lat').html(e.latLng.getLat().toFixed(6)); $('#poi_lng').html(e.latLng.getLng().toFixed(6)); //先移除標記,再添加標記 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("定位失敗!"); }; //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>效果圖:
備注:微信里打的話需要用https地址才能取得權限,在手機瀏覽器打開就可以不用了,還有記得在騰訊控制台那里把webserviceapi打開並加上域名
預覽地址:https://www.niunan.net/qqmapdemo.html