地图设置电子围栏

map.addEventListener("click",function(e){
     if(k<5){
	 var m1 = new BMap.Marker(new  BMap.Point(e.point.lng,e.point.lat));//根据数据点击位置创建一个标注
     setMarker.push(m1);
	 map.addOverlay(m1);
	 setAddress.push(new  BMap.Point(e.point.lng,e.point.lat));
	 if(k==4){
	     setAddress.push(new  BMap.Point(setAddress[0].lng,setAddress[0].lat));
	 }
	 setpolygon.setPath(setAddress); 
	 setpolygon.setFillColor("");
	 map.addOverlay(setpolygon); 
	 k++;
	 }else{
	     alert("电子围栏已经设置成功！");
	 }
	 var myGeo = new BMap.Geocoder();  
	 myGeo.getLocation(new BMap.Point(e.point.lng,e.point.lat), function(result){   
	      if(result)
		  { 
		     var address= document.getElementById("setAddress");
			 if(address.innerHTML=="")
			    address.innerHTML=result.address;
			 else
			    address.innerHTML=address.innerHTML+","+result.address; 
		  }
	 })
   })