简单的小例子Ext+servlet 分页

package com.likun.servlet; import java.io.IOException; import java.util.List; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.web.context.WebApplicationContext; import org.springframework.web.context.support.WebApplicationContextUtils; import com.likun.beans.User; import com.likun.dao.UserDao; import com.likun.service.UserService; public class UserListServlet extends HttpServlet { /** * */ private static final long serialVersionUID = -1224774208316478886L; /** * The doGet method of the servlet. <br> * * This method is called when a form has its tag value method equals to get. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { this.doPost(request, response); } /** * The doPost method of the servlet. <br> * * This method is called when a form has its tag value method equals to post. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String start = request.getParameter("start"); String pageSize = request.getParameter("limit"); WebApplicationContext context = WebApplicationContextUtils.getRequiredWebApplicationContext(this.getServletContext()); UserService userService = (UserService)context.getBean("userService"); List<User>userList = userService.getUserList(start == null ? 0:new Integer(start), pageSize == null ? 0:new Integer(pageSize)); Integer count = userService.getCount(); request.setAttribute("userList", userList); request.setAttribute("count", count); request.getRequestDispatcher("/jsonResult/jsonList.jsp").forward(request, response); } }