JSP新闻发布系统
1.主页面
1.1登录
1.2 分页
2.注销
3.代码如下
package cn.news.dao.impl; import java.sql.SQLException; import org.junit.Test; import cn.news.dao.BaseDAO; import cn.news.dao.IUserInfoDAO; import cn.news.entity.UserInfo; public class UserInfoDAOImpl extends BaseDAO implements IUserInfoDAO { @Test public void loginTest() throws SQLException{ UserInfo info =new UserInfo(); info.setUname("admin"); info.setUpwd("admin"); boolean flag= isLogin(info); if (flag) { System.out.println("login success!"); } } public boolean isLogin(UserInfo info) throws SQLException { boolean flag=false; String sql="select count(1) as mycount from userinfo where uname=? and upwd=?"; Object[] paras={info.getUname(),info.getUpwd()}; getConection(); rs=executeQuery(sql,paras); if (rs.next()) { int count = rs.getInt("mycount"); if (count>0) { //登录成功 flag=true; } } closeResources(); return flag; } }
package cn.news.serlvet; import java.io.IOException; import java.io.PrintWriter; import java.sql.SQLException; import java.util.List; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import cn.news.entity.Topic; import cn.news.service.ITopicService; import cn.news.service.impl.TopicServiceImpl; public class TopicServlet extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doPost(request,response); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ITopicService service=new TopicServiceImpl(); try { List<Topic> list = service.getAllTopics(); request.setAttribute("topicList",list); //转发到列表页面 request.getRequestDispatcher("/newspages/topic_list.jsp").forward(request, response); } catch (SQLException e) { } } }
<%@page import="cn.news.entity.Page"%> <%@page import="javax.naming.InitialContext"%> <%@page import="javax.naming.Context"%> <%@page import="cn.news.entity.NewsInfo"%> <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>新闻中国</title> <link href="css/main.css" rel="stylesheet" type="text/css" /> </head> <body> <% Context ctx=new InitialContext(); String ss=(String)ctx.lookup("java:comp/env/hehe"); %> <%=ss %> <div id="header"> <div id="top_login"> <%-- 登录区域 需要程序员构建表单 --%> <form action="UserInfoServlet?action=login" method="post"> <label> 登录名 </label> <input type="text" id="uname" name="uname" value="" class="login_input" /> <label> 密  码 </label> <input type="password" id="upwd" name="upwd" value="" class="login_input" /> <input type="submit" class="login_sub" value="登录" onclick="login()"/> </form> <label id="error"> </label> <img src="images/friend_logo.gif" alt="Google" id="friend_logo" /> </div> <div id="nav"> <div id="logo"> <img src="images/logo.jpg" alt="新闻中国" /> </div> <div id="a_b01"> <img src="images/a_b01.gif" alt="" /> </div> <!--mainnav end--> </div> </div> <div id="container"> <div class="sidebar"> <h1> <img src="images/title_1.gif" alt="国内新闻" /> </h1> <div class="side_list"> <ul> <li> <a href='#'><b> 景区，如何不再依靠门票收入 </b></a> </li> <li> <a href='#'><b> 高考期间中东部地区将现大范围降雨 </b></a> </li> <li> <a href='#'><b> 山西离柳焦煤集团井下人行车发生事故6人死亡 </b></a> </li> </ul> </div> <h1> <img src="images/title_2.gif" alt="国际新闻" /> </h1> <h1> <img src="images/title_3.gif" alt="娱乐新闻" /> </h1> <div class="side_list"> <ul> <li> <a href='#'><b> "星跳水立方"决战临近 陈楚生被华谊要求进前三 </b></a> </li> <li> <a href='#'><b> 《新恋爱时代》登东方卫视 《非诚》元素遭删除 </b></a> </li> <li> <a href='#'><b> 《海角七号》导演新片开机 吴宇森等出席 </b></a> </li> <li> <a href='#'><b> 《致命黑兰》佐伊坐拥7种武器 暴力登陆全国院线 </b></a> </li> </ul> </div> </div> <div class="main"> <div class="class_type"> <img src="images/class_type.gif" alt="新闻中心" /> </div> <div class="content"> <ul class="class_date"> <li id='class_month'> <a href='#'><b> 国内 </b></a> <a href='#'><b> 国际 </b></a> <a href='#'><b> 军事 </b></a> <a href='#'><b> 体育 </b></a> <a href='#'><b> 娱乐 </b></a> <a href='#'><b> 社会 </b></a> <a href='#'><b> 财经 </b></a> <a href='#'><b> 科技 </b></a> <a href='#'><b> 健康 </b></a> <a href='#'><b> 汽车 </b></a> <a href='#'><b> 教育 </b></a> </li> <li id='class_month'> <a href='#'><b> 房产 </b></a> <a href='#'><b> 家居 </b></a> <a href='#'><b> 旅游 </b></a> <a href='#'><b> 文化 </b></a> <a href='#'><b> 其他 </b></a> </li> </ul> <ul class="classlist"> <% Page onepage=(Page)request.getAttribute("onepage"); for(NewsInfo item : onepage.getList()){ %> <li> <a href='news_read.jsp'> <%=item.getNtitle() %> </a><span> <%=item.getNcreateda() %> </span> </li> <% } %> <p align="right"> 当前页数:[1/2] <a href="UserInfoServlet?pageIndex=<%=onepage.getPageIndex()+1%>">下一页</a> <a href="#">末页</a> </p> </ul> </div> <div class="picnews"> <ul> <li> <a href="#"><img src="images/Picture1.jpg" width="249" alt="" /> </a><a href="#">幻想中穿越时空</a> </li> <li> <a href="#"><img src="images/Picture2.jpg" width="249" alt="" /> </a><a href="#">国庆多变的发型</a> </li> <li> <a href="#"><img src="images/Picture3.jpg" width="249" alt="" /> </a><a href="#">新技术照亮都市</a> </li> <li> <a href="#"><img src="images/Picture4.jpg" width="249" alt="" /> </a><a href="#">群星闪耀红地毯</a> </li> </ul> </div> </div> </div> <div id="footer"> <iframe src="index-elements/index_bottom.html" scrolling="no" frameborder="0" width="947px" height="190px"></iframe> </div> </body> </html>
