<!doctype html> <html> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width"> <title>经纬度坐标与地图容器像素坐标相互转换</title> <link rel="stylesheet" href="http://cache.amap.com/lbs/static/main1119.css"/> <script src="http://webapi.amap.com/maps?v=1.3&key=您申请的key值"></script> <script type="text/javascript" src="http://cache.amap.com/lbs/static/addToolbar.js"></script> </head> <body> <div id="container"></div> <div class="button-group" style="background-color: white"> <div> 地图经纬度坐标：(<b>鼠标左键在地图上单击获取经纬度坐标</b>)<br> lng：<input type="text" id="lngX" name="lngX" /> lat：<input type="text" id="latY" name="latY" /><br> 地图容器像素坐标：<br> X： <input type="text" id="pixelx" name="pixelx" /> Y： <input type="text" id="pixely" name="pixely" /> </div> <div style="margin-top:5px"> <input id="lng2x" type="button" class="button" value="经纬度转容器像素坐标" /> <input id="x2lng" type="button" class="button" value="容器像素坐标转经纬度" /> </div> </div> <script> var map = new AMap.Map('container', { resizeEnable: true }); var $= function(elementId){ return document.getElementById(elementId); }; var lngX = $('lngX'),latY = $('latY'); var pixelX = $('pixelx'),pixelY = $('pixely'); map.on( 'click', function (e) { lngX.value = e.lnglat.getLng(); latY.value = e.lnglat.getLat(); }); //经纬度坐标转换为容器像素坐标 AMap.event.addDomListener($('lng2x'),'click', function () { var px = lngX.value,py = latY.value; if (px && py) { var pixel = map.lnglatTocontainer([px, py]); pixelX.value = pixel.getX(); pixelY.value = pixel.getY(); } }); //容器像素坐标转换为经纬度坐标 AMap.event.addDomListener($('x2lng'),'click', function () { var lnglatX = parseInt(pixelX.value), lnglatY = parseInt(pixelY.value); if (lnglatX && lnglatY) { var ll = map.containTolnglat(new AMap.Pixel(lnglatX, lnglatY)); lngX.value = ll.getLng(); latY.value = ll.getLat(); } }); </script> </body> </html>