dwr 实现同步删除

<link rel="stylesheet" href="css/golbal.css" type="text/css"></link>
<script type="text/javascript" src="js/jquery-1.7.2.js"></script>
<script type="text/javascript" src="js/orderformList.js"></script>
<script type='text/javascript' src='/BookShop/dwr/interface/goodService.js'></script>
<script type='text/javascript' src='/BookShop/dwr/engine.js'></script>
<script type='text/javascript' src='/BookShop/dwr/interface/typeService.js'></script>
<script type='text/javascript' src='/BookShop/dwr/engine.js'></script>

<script type="text/javascript">
   function goodLoad(id){
 var i=parseInt(id);
 var result=null;
 DWREngine.setAsync(false);
 goodService.delBooks(i,function(date){result=date;});//后台JAVA删除方法
 DWREngine.setAsync(true);
 return result;
}
  function init(id){
 if(confirm("确认要删除该商品吗？")){
     var date=goodLoad(id);
     if(date==1)
     {
      alert("删除成功");
      location.reload();
     }else
     {
      //alert(date);
      alert("因为未知错误，删除失败！请稍后操作！");
     }
      }
 }
  </script>

 <div class="button"

//前台代码

 onclick="init(${b.id})">删除</div>
       <div class="button" onclick="javascript:location.href='updateGoods.do?id=${b.id}'">
        修改
       </div>