SSM的查询简单练习+JSP

<a href="queryAll.do">查询</a>

@RequestMapping("/queryAll")

 public String queryAll(HttpServletRequest request){
        List<User> list = service.queryAll();
        request.setAttribute("listx",list);
        return "showAll.jsp";
    }

public List<User> queryAll();

<select id="queryAll" resultType="权限定类名">  
   查询语句
</select>

public List<User> queryAll(){
    return dao.queryAll();
}