anchor.diff:  			</thead>
   			<tbody>
   			<c:forEach items="${userlist}" var="user" varStatus="status">
  -				<tr>
  +				<tr data-id="${user.id}">
   					<td>${user.id}</td>
   					<td>${user.firstName}</td>
   					<td>${user.lastName}</td>
  
positive.code: 			})
  			return false;
  		});
  		$("#createUser").on("click",function(event){
  			$("#formAddUser").submit();
  		});
  
negative.code: 			var dfd= $.Deferred();
  			$("#dlgDelUser").modal("show");
  			var btnSelector="#dlgDelUser button";
  			$(btnSelector).one("click",function(event){
  				if (event.target.id==="delUser"){
  					dfd.resolve();
  					$("#dlgDelUser").modal("hide");
  				}else{
  					dfd.reject();
  				}
  				//$(btnSelector).off("click");20150831:用one代替on
  
  			});
  			return dfd.promise();
  