简单的servlet增,删,改,查

时间:2015-03-28 03:41:43
【文件属性】:
文件名称:简单的servlet增,删,改,查
文件大小:629KB
文件格式:RAR
更新时间:2015-03-28 03:41:43
简单的servlet增,删,改,查 package com.sshmvc.ljl.web.servlet; import java.io.IOException; import java.io.PrintWriter; import java.util.ArrayList; import java.util.List; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.sshmvc.ljl.pojo.Users; import com.sshmvc.ljl.service.UserService; import com.sshmvc.ljl.service.impl.UserServiceImpl; /** * Servlet implementation class ListUserServlet */ public class ListUserServlet extends HttpServlet { private static final long serialVersionUID = 1L; protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { this.doPost(request, response); } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); request.setCharacterEncoding("utf-8"); response.setCharacterEncoding("utf-8"); PrintWriter out = response.getWriter(); ListUserInfo(request, response); out.flush(); out.close(); } private void ListUserInfo(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { List list = new ArrayList(); UserService userService = new UserServiceImpl(); list = userService.listUser(); request.setAttribute("listUsers", list); // response.sendRedirect("/sshmvc/listUser.jsp"); request.getRequestDispatcher("/listUser.jsp") .forward(request, response); } } <%@ page language="java" import="java.util.*,java.util.*,com.sshmvc.*,com.sshmvc.ljl.pojo.*" pageEncoding="utf-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; List list = (List) request.getAttribute("listUsers"); if (list == null) { list = (List) request.getAttribute("listUsers"); } Users users = null; %> <html> <head> <base href="<%=basePath%>"> <title>My JSP 'index.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> </head> <body> <form method="post"> <% for (int i = 0; i < list.size(); i++) { users = (Users) list.get(i); %> <% } %>
用户ID 用户名 失效日期 创建日期 操作
<%=users.getId()%> <%=users.getName()%> <%=users.getExpireTime()%> <%=users.getCreateTime()%> 添加  删除  更新  登陆
</form> </body> </html>

网友评论

  • 表示有时回过头学基础还是可以学到不少东西。
  • 代码给了 但是调试不出来
  • 很不错的代码,就是没有完全调试成功