jquery中如何调用service中的方法呢？

function addMember(roleName,drillItemRoleId){
            $("#myModalLabel").text(roleName +":添加成员");
            $.ajax({
                url:"<%=path%>/user/resourceAssignment_getAssignableUsers",
                async:false,
                data:{},
                type:"POST",
                dataType:"json",
                error:function(){
                    $("#roles").html("服务器异常");
                },
                success:function(response){
                    var htmls = '';
                    for(var i=0;i<response.length;i++){
                        htmls += '<li class="aRole">';
                        htmls += '<img src="<%=path%>/resources/images/taskImages/man1.jpg"/>';
                        htmls += '<div>';
                        htmls += '<span>'+response[i].username+'</span>';
                        htmls += '<p><font>男</font><font>湖南</font><font>长沙</font></p>';
                        htmls += '</div>';
                        htmls += '<a class="rolesSelect" href="javascript:void(0)" userId="'+response[i].userId+'" roleId="'+drillItemRoleId+'"><i></i></a>';
                        htmls += '</li>';
                    }
                    $("#roles").html(htmls);
                }
            });
             
            $(".rolesUl .aRole").hover(function(){
                $(this).css("background","#E3E3E3");
                $(this).find(".rolesDel").css("display","block");
            },function(){
                $(this).css("background","none");
                $(this).find(".rolesDel").css("display","none");
                });
         
            $(".roleMen .rolesUl .aRole").click(function(){
                    $(this).find("a").toggleClass("rolesSelect");
            });
        }