添加矩形百度离线地图发布教程百度地图API

添加矩形完整html+js示例代码：
<!DOCTYPE html>
 <html>
 <head>
 <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
 <title>百度离线地图</title>
 <style type="text/css">
         body, html {width: 100%;height: 100%;margin:0;font-family:"微软雅黑";}
         #allmap{width:100%;height:100%;}
 </style>
 <!-- 引入核心js文件 -->
 <script type="text/javascript" src="js/apiv.2.0.js"></script>
 </head>
 <body>
 <div id="allmap"></div>
 </body>
 </html>
 <script type="text/javascript">
         // 创建Map实例
     var map = new BMap.Map("allmap", {enableMapClick:false});
         // 设置地图背景色为白色
     map.getContainer().style.background = '#FFF';
         var point = new BMap.Point(104.074362,30.540276);
         map.centerAndZoom(point, 5);
 
         //创建矩形,可设置线条颜色、粗细、透明度     
       var pStart = new BMap.Point(116.392214,39.918985);
         var pEnd = new BMap.Point(100.41478,33.911901);
         var rectangle = new BMap.Polygon([
           new BMap.Point(pStart.lng,pStart.lat),
           new BMap.Point(pEnd.lng,pStart.lat),
           new BMap.Point(pEnd.lng,pEnd.lat),
           new BMap.Point(pStart.lng,pEnd.lat)
         ], {strokeColor:"blue", strokeWeight:2, strokeOpacity:0.5});
 
         map.addOverlay(rectangle);   //在地图上增加多边形
         // rectangle.enableEditing(); // 设置矩形可编辑
         //清除矩形方法
      function remove_overlay(){
           map.clearOverlays(rectangle);
         }
 </script>