google地图怎么取添加标注（取经纬度，并显示该位置显图标）

  
    
    
  
  
    
    

    

    


  



------解决方案--------------------

 $('#Label2').click(function() {
               GoogleMapAddEvent(myMap, "click", function(marker, point) {
               if(marker)
                   {                       
                       myMap.removeOverlay(marker);     

                   }
                   else
                   { 
                      // myMap.clearOverlays();
                       var dmarker = new GMarker(point, {draggable: true});
                        var dpoint;
                        var x;
                        var y;
                        x = GoogleMapPointX(point);
                        y = GoogleMapPointY(point);
                        document.getElementById("TextBox2").value = x;
                        document.getElementById("TextBox1").value = y;
//                         if(document.getElementById("hidsyid").value=='')//为空表示初始传进来的监测点编码
//                            {
                               document.getElementById("hidw").value=x;
                               document.getElementById("hidj").value=y;
//                            }
                        GEvent.addListener(dmarker, "dragstart", function(){       
                        });
  
                        GEvent.addListener(dmarker, "dragend", function(){
                            dpoint=dmarker.getPoint();
                           myMap.panTo(dpoint);
                           x = dpoint.lat();
                           y = dpoint.lng();
                           document.getElementById("TextBox2").value = x;
                           document.getElementById("TextBox1").value = y;
//                            if(document.getElementById("hidsyid").value=='')
//                            {
                               document.getElementById("hidw").value=x;
                               document.getElementById("hidj").value=y;