Jsp小项目总结
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2022-06-09 15:52:52
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biz
package cn.jbit.biz;
import java.util.List;
import cn.jbit.dao.CommentDao;
import cn.jbit.dao.impl.CommentDaoImpl;
import cn.jbit.entity.Comment;
/**
*
* @author chaoyi
* @2013-12-15
*/
public class CommentBiz {
CommentDao commentDao = new CommentDaoImpl();
/**
* 查询评论信息
*
* @param id
* @return List<Comment>
*/
public List<Comment> getCommentList(int id) {
String sql = "select cid, cnid, ccontent, cdate, cip, cauthor"
+ " from comments" + " where cnid = ? order by cdate asc";
Object[] pars = { id };
return commentDao.executeQuery(sql, pars);
}
/**
* 添加评论信息
*
* @param comment
* @return int
*/
public int addComment(Comment comment) {
String sql = "insert into comments"
+ " (cid, cnid, ccontent, cdate, cip, cauthor)" + " values"
+ " (seq_comment.nextval, ?, ?, sysdate, ?, ?)";
Object[] pars = { comment.getCnid(), comment.getCcontent(),
comment.getCip(), comment.getCauthor() };
return commentDao.executeUpdate(sql, pars);
}
}
package cn.jbit.biz;
import java.util.List;
import cn.jbit.dao.NewsDao;
import cn.jbit.dao.impl.NewsDaoImpl;
import cn.jbit.entity.News;
public class NewsBiz {
NewsDao newsDao = new NewsDaoImpl();
/**
* 查询新闻列表信息
*
* @return List<News>
*/
public List<News> getNewsList() {
String sql = "select nid," + " ntid," + " ntitle,"
+ " nauthor," + " ncreatedate,"
+ " npicpath," + " ncontent,"
+ " nmodifydate," + " nsummary" + " from news"
+ " where rownum < 11" + " order by ncreatedate desc";
return newsDao.executeQuery(sql, null);
}
/**
* 根据id查询新闻信息
*
* @param id
* @return News
*/
public News getNewsById(int id) {
News item = null;
String sql = "select nid," + " ntid," + " ntitle,"
+ " nauthor," + " ncreatedate,"
+ " npicpath," + " ncontent,"
+ " nmodifydate," + " nsummary" + " from news"
+ " where nid = ?";
Object[] pars = { id };
List<News> list = newsDao.executeQuery(sql, pars);
if (list.size() > 0) {
item = list.get(0);
}
return item;
}
/**
* 分页查询新闻列表信息
*
* @param pageIndex
* 第几页
* @param pageSize
* 每页的数目
* @return List<News>
*/
public List<News> getNewsListByPage(int pageIndex, int pageSize) {
int start = (pageIndex - 1) * pageSize; // 上限
int end = pageIndex * pageSize; // 下限
String sql = "select *"
+ " from (select temp.*,rownum num"
+ " from (select news.* from news order by news.ncreatedate desc) temp"
+ " where rownum <= ?) temp2" + " where num > ?";
Object[] pars = { end, start };
return newsDao.executeQuery(sql, pars);
}
/**
* 获取总页数
*
* @param pageSize
* @return
*/
public int getTotalPage(int pageSize) {
String sql = "select ceil(count(*)/?) from news";
Object[] pars = { pageSize };
return newsDao.getTotalPage(sql, pars);
}
}
package cn.jbit.biz;
import java.util.List;
import cn.jbit.dao.TopicDao;
import cn.jbit.dao.impl.TopicDaoImpl;
import cn.jbit.entity.Topic;
public class TopicBiz {
TopicDao topicDao = new TopicDaoImpl();
/**
* 查询类型列表
*
* @return List<Topic>
*/
public List<Topic> getTopicList() {
String sql = "select tid, tname from topic";
return topicDao.executeQuery(sql, null);
}
}
dao
package cn.jbit.dao;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
/**
* 数据连接与关闭工具类
*
* @author chaoyi
* @2013-11-7
*/
public class BaseDao {
// 数据库驱动字符串
private static String driver = "oracle.jdbc.driver.OracleDriver";
// 连接URL字符串
private static String url = "jdbc:oracle:thin:@localhost:1521:oracle10";
// 数据库用户名
private static String user = "news";
// 用户密码
private static String password = "accp";
/**
* 获取数据库连接对象
*
* @return 数据连接对象
*/
public Connection getConnection() {
Connection conn = null; // 数据连接对象
// 获取连接并捕获异常
try {
// 加载驱动
Class.forName(driver);
// 获取数据库连接
conn = DriverManager.getConnection(url, user, password);
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
}
return conn; // 返回数据连接对象
}
/**
* 关闭数据库连接
*
* @param conn
* 数据库连接
* @param pstmt
* PreparedStatement对象
* @param rs
* 结果集
*/
public void closeAll(Connection conn, PreparedStatement pstmt, ResultSet rs) {
// 若结果集对象不为空，则关闭
if (rs != null) {
try {
rs.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
// 若PreparedStatement对象不为空，则关闭
if (pstmt != null) {
try {
pstmt.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
// 若数据库连接对象不为空，则关闭
if (conn != null) {
try {
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
/**
* 执行更新、删除、插入SQL语句命令
*
* @param sql
* 预编译的 SQL 语句
* @param pars
* 预编译的 SQL 语句中的‘？’参数的字符串数组
* @return 影响的条数
*/
public int executeUpdate(String sql, Object[] pars) {
int rowCount = 0;
Connection conn = null;
PreparedStatement pstmt = null;
try {
// 连接数据库
conn = this.getConnection();
// 创建数据库命令对象
pstmt = conn.prepareStatement(sql);
if (pars != null) {
for (int i = 0; i < pars.length; i++) {
pstmt.setObject(i + 1, pars[i]);
}
}
// 执行数据库命令
rowCount = pstmt.executeUpdate();
} catch (SQLException e) {
e.printStackTrace();
}
return rowCount;
}
}
package cn.jbit.dao;
import java.util.List;
import cn.jbit.entity.Comment;
public interface CommentDao {
public List<Comment> executeQuery(String sql,Object[] pars);
public int executeUpdate(String sql,Object[] pars);
}
package cn.jbit.dao;
import java.util.List;
import cn.jbit.entity.News;
public interface NewsDao {
/**
* 对新闻进行查询操作
*
* @param sql
* @param pars
* @return list<Pet>
*/
List<News> executeQuery(String sql, Object[] pars);
/**
* 对新闻进行增、删、改操作
*
* @param sql
* @param pars
* @return int
*/
int executeUpdate(String sql, Object[] pars);
/**
* 查询总页数
* @param sql
* @param pars
* @return
*/
int getTotalPage(String sql, Object[] pars);
}
package cn.jbit.dao;
import java.util.List;
import cn.jbit.entity.Topic;
public interface TopicDao {
public List<Topic> executeQuery(String sql,Object[] pars);
public int executeUpdate(String sql,Object[] pars);
}
package cn.jbit.dao;
import java.util.List;
import cn.jbit.entity.Topic;
import cn.jbit.entity.User;
public interface UserDao {
public List<User> executeQuery(String sql,Object[] pars);
public int executeUpdate(String sql,Object[] pars);
}
dao.impl
package cn.jbit.dao.impl;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import cn.jbit.dao.BaseDao;
import cn.jbit.dao.CommentDao;
import cn.jbit.entity.Comment;
public class CommentDaoImpl extends BaseDao implements CommentDao {
public List<Comment> executeQuery(String sql, Object[] pars) {
List<Comment> list = new ArrayList<Comment>();
Connection con = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
try {
con = super.getConnection();
pstmt = con.prepareStatement(sql);
if(pars!=null){
for (int i = 0; i < pars.length; i++) {
pstmt.setObject(i+1, pars[i]);
}
}
rs = pstmt.executeQuery();
while(rs.next()){
Comment item = new Comment();
item.setCid(rs.getString(1));
item.setCnid(rs.getString(2));
item.setCcontent(rs.getString(3));
item.setCdate(rs.getString(4));
item.setCip(rs.getString(5));
item.setCauthor(rs.getString(6));
list.add(item);
}
} catch (SQLException e) {
e.printStackTrace();
}finally{
super.closeAll(con, pstmt, rs);
}
return list;
}
}
package cn.jbit.dao.impl;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import cn.jbit.dao.BaseDao;
import cn.jbit.dao.NewsDao;
import cn.jbit.entity.News;
public class NewsDaoImpl extends BaseDao implements NewsDao {
Connection conn = null; // 数据连接对象
PreparedStatement pstmt = null; // PreparedStatement对象
ResultSet rs = null; // 结果集对象
/**
* 对新闻查询操作
*/
public List<News> executeQuery(String sql, Object[] pars) {
// 创建ArrayList集合对象，并把新闻查询信息放入其中
List<News> list = new ArrayList<News>();
try {
// 获取数据连接对象
conn = super.getConnection();
// 创建数据库命令对象
pstmt = conn.prepareStatement(sql);
if (pars != null) {
for (int i = 0; i < pars.length; i++) {
pstmt.setObject(i + 1, pars[i]);
}
}
// 执行数据库命令
rs = pstmt.executeQuery();
// 处理结果
while (rs.next()) {
// 创建一个新闻对象
News news = new News();
news.setNid(rs.getInt(1));
news.setNtid(rs.getInt(2));
news.setNtitle(rs.getString(3));
news.setNauthor(rs.getString(4));
news.setNcreatedate(rs.getString(5));
news.setNpicpath(rs.getString(6));
news.setNcontent(rs.getString(7));
news.setNmodifydate(rs.getString(8));
news.setNsummary(rs.getString(9));
// 把新闻对象添加到集合中
list.add(news);
}
} catch (SQLException e) {
e.printStackTrace();
} finally {
// 调用关闭数据库连接
super.closeAll(conn, pstmt, rs);
}
return list;
}
/**
* 查询新闻总页数
*/
public int getTotalPage(String sql, Object[] pars) {
int totalPage = 0;
try {
// 获取数据连接对象
conn = super.getConnection();
// 创建数据库命令对象
pstmt = conn.prepareStatement(sql);
if (pars != null) {
for (int i = 0; i < pars.length; i++) {
pstmt.setObject(i + 1, pars[i]);
}
}
// 执行数据库命令
rs = pstmt.executeQuery();
// 处理结果
if (rs.next()) {
totalPage = rs.getInt(1);
}
} catch (SQLException e) {
e.printStackTrace();
} finally {
// 调用关闭数据库连接
super.closeAll(conn, pstmt, rs);
}
return totalPage;
}
}
package cn.jbit.dao.impl;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import cn.jbit.dao.BaseDao;
import cn.jbit.dao.TopicDao;
import cn.jbit.entity.Topic;
public class TopicDaoImpl extends BaseDao implements TopicDao {
public List<Topic> executeQuery(String sql, Object[] pars) {
List<Topic> list = new ArrayList<Topic>();
Connection con = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
try {
con = super.getConnection();
pstmt = con.prepareStatement(sql);
if(pars!=null){
for (int i = 0; i < pars.length; i++) {
pstmt.setObject(i+1, pars[i]);
}
}
rs = pstmt.executeQuery();
while(rs.next()){
Topic item = new Topic();
item.setTid(rs.getString(1));
item.setTname(rs.getString(2));
list.add(item);
}
} catch (SQLException e) {
e.printStackTrace();
}finally{
super.closeAll(con, pstmt, rs);
}
return list;
}
}
package cn.jbit.dao.impl;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import cn.jbit.dao.BaseDao;
import cn.jbit.dao.UserDao;
import cn.jbit.entity.User;
public class UserDaoImpl extends BaseDao implements UserDao {
public List<User> executeQuery(String sql, Object[] pars) {
List<User> list = new ArrayList<User>();
Connection con = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
try {
con = super.getConnection();
pstmt = con.prepareStatement(sql);
if(pars!=null){
for (int i = 0; i < pars.length; i++) {
pstmt.setObject(i+1, pars[i]);
}
}
rs = pstmt.executeQuery();
while(rs.next()){
User item = new User();
item.setUid(rs.getString(1));
item.setUname(rs.getString(2));
item.setUpwd(rs.getString(3));
list.add(item);
}
} catch (SQLException e) {
e.printStackTrace();
}finally{
super.closeAll(con, pstmt, rs);
}
return list;
}
}
entity
package cn.jbit.entity;
import java.io.Serializable;
/**
* 评论 实体类
*
* @author
**/
public class Comment implements Serializable {
private String cid;
private String cnid;
private String ccontent;
private String cdate;
private String cip;
private String cauthor;
public Comment() {
}
public Comment(String cid, String cnid, String ccontent, String cdate,
String cip, String cauthor) {
this.cid = cid;
this.cnid = cnid;
this.ccontent = ccontent;
this.cdate = cdate;
this.cip = cip;
this.cauthor = cauthor;
}
public String getCid() {
return cid;
}
public void setCid(String cid) {
this.cid = cid;
}
public String getCnid() {
return cnid;
}
public void setCnid(String cnid) {
this.cnid = cnid;
}
public String getCcontent() {
return ccontent;
}
public void setCcontent(String ccontent) {
this.ccontent = ccontent;
}
public String getCdate() {
return cdate;
}
public void setCdate(String cdate) {
this.cdate = cdate;
}
public String getCip() {
return cip;
}
public void setCip(String cip) {
this.cip = cip;
}
public String getCauthor() {
return cauthor;
}
public void setCauthor(String cauthor) {
this.cauthor = cauthor;
}
}
package cn.jbit.entity;
import java.io.Serializable;
/**
* 新闻实体类
*
* @author kyaccp
*
*/
public class News implements Serializable {
private int nid; // 新闻id
private int ntid; // 新闻类型id
private String ntitle; // 新闻标题
private String nauthor; // 新闻作者
private String ncreatedate; // 新闻创建日期
private String npicpath; // 新闻图片路径
private String ncontent; // 新闻评论内容
private String nmodifydate; // 新闻修改时间
private String nsummary; // 新闻摘要
/**
* 无参构造方法
*/
public News() {
}
/**
* 带两个参数构造方法
*
* @param ntitle
* @param nauthor
*/
public News(String ntitle, String nauthor) {
this.setNtitle(ntitle);
this.setNauthor(nauthor);
}
/**
* 带参数构造方法
*
* @param nid
* @param ntid
* @param ntitle
* @param nauthor
* @param ncreatedate
* @param npicpath
* @param ncontent
* @param nmodifydate
* @param nsummary
*/
public News(int nid, int ntid, String ntitle, String nauthor,
String ncreatedate, String npicpath, String ncontent,
String nmodifydate, String nsummary) {
this.nid = nid;
this.ntid = ntid;
this.ntitle = ntitle;
this.nauthor = nauthor;
this.ncreatedate = ncreatedate;
this.npicpath = npicpath;
this.ncontent = ncontent;
this.nmodifydate = nmodifydate;
this.nsummary = nsummary;
}
public int getNid() {
return nid;
}
public void setNid(int nid) {
this.nid = nid;
}
public int getNtid() {
return ntid;
}
public void setNtid(int ntid) {
this.ntid = ntid;
}
public String getNtitle() {
return ntitle;
}
public void setNtitle(String ntitle) {
this.ntitle = ntitle;
}
public String getNauthor() {
return nauthor;
}
public void setNauthor(String nauthor) {
this.nauthor = nauthor;
}
public String getNcreatedate() {
return ncreatedate;
}
public void setNcreatedate(String ncreatedate) {
this.ncreatedate = ncreatedate;
}
public String getNpicpath() {
return npicpath;
}
public void setNpicpath(String npicpath) {
this.npicpath = npicpath;
}
public String getNcontent() {
return ncontent;
}
public void setNcontent(String ncontent) {
this.ncontent = ncontent;
}
public String getNmodifydate() {
return nmodifydate;
}
public void setNmodifydate(String nmodifydate) {
this.nmodifydate = nmodifydate;
}
public String getNsummary() {
return nsummary;
}
public void setNsummary(String nsummary) {
this.nsummary = nsummary;
}
}
package cn.jbit.entity;
import java.io.Serializable;
/**
* 主题 实体类
*
* @author
*/
public class Topic implements Serializable {
private String tid;
private String tname;
public Topic() {
}
public Topic(String tid, String tname) {
this.tid = tid;
this.tname = tname;
}
public String getTid() {
return tid;
}
public void setTid(String tid) {
this.tid = tid;
}
public String getTname() {
return tname;
}
public void setTname(String tname) {
this.tname = tname;
}
}
package cn.jbit.entity;
import java.io.Serializable;
/**
* 用户 实体类
*
* @author
*/
public class User implements Serializable {
private String uid;
private String uname;
private String upwd;
public User() {
}
public User(String uid, String uname, String upwd) {
this.uid = uid;
this.uname = uname;
this.upwd = upwd;
}
public void setUid(String uid) {
this.uid = uid;
}
public void setUname(String uname) {
this.uname = uname;
}
public void setUpwd(String upwd) {
this.upwd = upwd;
}
public String getUid() {
return uid;
}
public String getUname() {
return uname;
}
public String getUpwd() {
return upwd;
}
}
---------------------------------------------------
index.jsp
<%@page import="java.util.regex.Pattern"%>
<%@page import="cn.jbit.biz.NewsBiz"%>
<%@page import="javax.naming.NamingException"%>
<%@page import="javax.sql.DataSource"%>
<%@page import="javax.naming.InitialContext"%>
<%@page import="javax.naming.Context"%>
<%@page import="cn.jbit.entity.News"%>
<%@ page language="java" import="java.util.*,java.sql.*" pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GBK" />
<title>新闻中国</title>
<link href="CSS/main.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="header">
<div id="top_login">
<form name="form1" method="post" action="util/doLogin.jsp" onsubmit="return check()">
<label> 登录名 </label>
<input type="text" id="uname" value="" name="uname" class="login_input" />
<label> 密  码 </label>
<input type="password" id="upwd" value="" name="pwd" class="login_input" />
<input type="submit" class="login_sub" value="登录" onclick="login()"/>
<label id="error"> </label>
<img src="Images/friend_logo.gif" alt="Google" id="friend_logo" />
<script type="text/javascript">
function check(){
var uname = document.getElementById("uname");
var upwd = document.getElementById("upwd");
if("" == uname.value){
alert("用户名不能为空！");
return false;
}else if("" == upwd.value){
alert("密码不能为空");
return false;
}
return true;
}
</script>
<%!
/**
*统计访问次数
*/
public synchronized void browCount(ServletContext application){
if(application.getAttribute("brow")==null){
application.setAttribute("brow",1);
}else{
int count =Integer.parseInt(application.getAttribute("brow").toString());
application.setAttribute("brow",count+1);
}
}
%>
<%
browCount(application);
//Integer count = (Integer)application.getAttribute("count");
//if(count!=null){
//count++;
//}else{
//count=1;
//}
//application.setAttribute("count",count);
%>
在线访问次数：<%=application.getAttribute("brow") %>
</form>
</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">
<%!
public List<News> queryNewsInfo(String sql, Object []param){
List<News> list = new ArrayList<News>();
// 数据库驱动字符串
/*String driver = "oracle.jdbc.driver.OracleDriver";
// 连接URL字符串
String url = "jdbc:oracle:thin:@localhost:1521:oracle10";
// 数据库用户名
String user = "news";
// 用户密码
String password = "accp";*/
Connection conn = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
// 获取连接并捕获异常
try {
Context ctx = new InitialContext();
DataSource ds = (DataSource)ctx.lookup("java:comp/env/jdbc/news");
conn = ds.getConnection();
// 加载驱动
//Class.forName(driver);
// 获取数据库连接
//conn = DriverManager.getConnection(url, user, password);
pstmt = conn.prepareStatement(sql);
if(param != null){
for(int i=0; i<param.length; i++){
pstmt.setObject(i+1,param[i]);
}
}
rs = pstmt.executeQuery();
// 执行数据库命令
while(rs.next()) {
News item = new News();
item.setNtitle(rs.getString(1));
item.setNauthor(rs.getString(2));
list.add(item);
}
} catch (NamingException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
} finally {
// 若结果集对象不为空，则关闭
if (rs != null) {
try {
rs.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
// 若PreparedStatement对象不为空，则关闭
if (pstmt != null) {
try {
pstmt.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
// 若数据库连接对象不为空，则关闭
if (conn != null) {
try {
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
return list;
}
%>
<%
String sql =
"select ntitle, nauthor" +
" from news" +
" where ntid = 1" +
" and rownum < 11" +
" order by ncreatedate desc";
List<News> chinaInList = queryNewsInfo(sql,null);
String sql1 =
"select ntitle, nauthor" +
" from news" +
" where ntid = 2" +
" and rownum < 11" +
" order by ncreatedate desc";
List<News> chinaOutList = queryNewsInfo(sql1,null);
%>
<div class="sidebar">
<h1> <img src="Images/title_1.gif" alt="国内新闻" /> </h1>
<div class="side_list">
<ul>
<%
for(News item : chinaInList){
%>
<li> <a href='#'><b><%=item.getNtitle().length()>11?item.getNtitle().substring(0,11)+"...":item.getNtitle() %> </b></a> </li>
<%
}
%>
</ul>
</div>
<h1> <img src="Images/title_2.gif" alt="国际新闻" /> </h1>
<div class="side_list">
<ul>
<%
for(News item : chinaOutList){
%>
<li> <a href='#'><b><%=item.getNtitle().length()>11?item.getNtitle().substring(0,11)+"...":item.getNtitle() %></b></a> </li>
<%
}
%>
</ul>
</div>
<h1> <img src="Images/title_3.gif" alt="娱乐新闻" /> </h1>
<div class="side_list">
<ul>
<li> <a href='#'><b> 施瓦辛格启动影视业回迁计划 推进加州经济复苏 </b></a> </li>
<li> <a href='#'><b> 《沧海》导演回应观众质疑 自信能超越《亮剑》 </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> 《四大名捕》敦煌热拍 八主演飙戏火花四溅 </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">
<%
NewsBiz newsBiz = new NewsBiz();
int pageSize = 10;
int pageIndex = 1;
int totalPage = newsBiz.getTotalPage(pageSize);
String pageStr = request.getParameter("pageIndex");
if(pageStr != null){
if(!Pattern.matches("^\\d+$",pageStr)){
out.print("<script>alert('请求数据无效！');</script>");
}else{
int index = Integer.parseInt(pageStr);
if(index < 1){
out.print("<script>alert('已经是第一页');</script>");
pageIndex = 1;
}else if(index > totalPage){
out.print("<script>alert('已经是最后一页');</script>");
pageIndex = totalPage;
}else{
pageIndex = index;
}
}
}
List<News> newsList = newsBiz.getNewsListByPage(pageIndex,pageSize);
for(int i=0;i<newsList.size();i++){
News item = newsList.get(i);
%>
<li><a href='newspages/news_add.jsp?id=<%=item.getNid() %>'><%=item.getNtitle() %></a><span> <%=item.getNcreatedate() %> </span></li>
<%
if((i+1)%5==0){
%>
<li class='space'></li>
<%
}
}
%>
<p align="right"> 当前页数:[<%=pageIndex %>/<%=totalPage %>]
<a href="index.jsp?pageIndex=1">首页</a>
<a href="index.jsp?pageIndex=<%=pageIndex-1 %>">上一页</a>
<a href="index.jsp?pageIndex=<%=pageIndex+1 %>">下一页</a>
<a href="index.jsp?pageIndex=<%=totalPage%>">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="friend">
<h1 class="friend_t"> <img src="Images/friend_ico.gif" alt="合作伙伴" /> </h1>
<div class="friend_list">
<ul>
<li> <a href="#">中国*网</a> </li>
<li> <a href="#">中国*网</a> </li>
<li> <a href="#">中国*网</a> </li>
<li> <a href="#">中国*网</a> </li>
<li> <a href="#">中国*网</a> </li>
<li> <a href="#">中国*网</a> </li>
<li> <a href="#">中国*网</a> </li>
</ul>
</div>
</div>
<div id="footer">
<p class=""> 24小时客户服务热线：010-68988888      <a href="#">常见问题解答</a>      新闻热线：010-627488888 <br />
文明办网文明上网举报电话：010-627488888      举报邮箱： <a href="#">jubao@jb-aptech.com.cn</a> </p>
<p class="copyright"> Copyright © 1999-2009 News China gov, All Right Reserver <br />
新闻中国 版权所有 </p>
</div>
</body>
</html>
admin.jsp
<%@page import="cn.jbit.biz.NewsBiz"%>
<%@page import="cn.jbit.entity.News"%>
<%@ page language="java" import="java.util.*,java.sql.*" pageEncoding="utf-8"%>
<%@ include file="element/control.jsp" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GBK" />
<title>添加主题--管理后台</title>
<link href="CSS/admin.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="header">
<div id="welcome">欢迎使用新闻管理系统！</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>
</div>
</div>
<div id="admin_bar">
<div id="status">管理员：
<%
String str="";
//for(Cookie cookie : request.getCookies()){
//if(cookie.getName().equals("uName")){
//str=cookie.getValue();
//}
//}
str = session.getAttribute("uName").toString();
%>
<%=str %>
登录      <a href="#">login out</a></div>
<div id="channel"> </div>
</div>
<div id="main">
<div id="opt_list">
<ul>
<li><a href="#">添加新闻</a></li>
<li><a href="#">编辑新闻</a></li>
<li><a href="#">查找新闻</a></li>
<li><a href="#">添加主题</a></li>
<li><a href="#">编辑主题</a></li>
</ul>
</div>
<div id="opt_area">
<script language="javascript">
function clickdel(){
return confirm("删除请点击确认");
}
</script>
<%
List<News> list = new NewsBiz().getNewsList();
%>
<ul class="classlist">
<%
for(int i=0;i<list.size();i++){
News news = list.get(i);
%>
<li> <%=news.getNtitle() %> <span> 作者：<%=news.getNauthor() %>    
<a href='news_edit.jsp?nid=<%=news.getNid() %>'>修改</a>     
<a href='#' onclick='return clickdel()'>删除</a> </span>
</li>
<%
if((i+1)%5==0){
%>
<li class='space'></li>
<%
}
%>
<%
}
%>
</ul>
</div>
</div>
<div id="site_link"> <a href="#">关于我们</a><span>|</span> <a href="#">Aboue Us</a><span>|</span> <a href="#">联系我们</a><span>|</span> <a href="#">广告服务</a><span>|</span> <a href="#">供稿服务</a><span>|</span> <a href="#">法律声明</a><span>|</span> <a href="#">招聘信息</a><span>|</span> <a href="#">网站地图</a><span>|</span> <a href="#">留言反馈</a> </div>
<div id="footer">
<p class="">24小时客户服务热线：010-68988888      <a href="#">常见问题解答</a>      新闻热线：010-627488888<br />
文明办网文明上网举报电话：010-627488888      举报邮箱：<a href="#">jubao@jb-aptech.com.cn</a></p>
<p class="copyright">Copyright © 1999-2009 News China gov, All Right Reserver<br />
新闻中国 版权所有</p>
</div>
</body>
</html>
control.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
if(session.getAttribute("uName")==null){
response.sendRedirect("index.jsp");
return;
}
%>
doComment.jsp
<%@page import="cn.jbit.biz.CommentBiz"%>
<%@page import="cn.jbit.entity.Comment"%>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
request.setCharacterEncoding("UTF-8");
//获取数据
Comment comment = new Comment();
comment.setCauthor(request.getParameter("cauthor"));
comment.setCip(request.getRemoteAddr());
comment.setCcontent(request.getParameter("ccontent"));
comment.setCnid(request.getParameter("nid"));
CommentBiz commentBiz = new CommentBiz();
if(commentBiz.addComment(comment) > 0){
out.print("<script>alert('添加评论成功！');location.href='../newspages/news_add.jsp?id="+comment.getCnid()+"';</script>");
return;
}else{
out.print("<script>alert('添加失败！');history.back();</script>");
}
%>
doLogin.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ page import="java.sql.*"%>
<%
request.setCharacterEncoding("utf-8");
String uName = request.getParameter("uname");
String pwd = request.getParameter("pwd");
String ms = "";
if (uName.equals("")) {
ms = "用户名不能为空";
} else if (pwd.equals("")) {
ms = "登录密码不能为空";
}
response.setCharacterEncoding("utf-8");
if (!ms.equals("")) {
out.print("<script>alert('" + ms
+ "');history.back();</script>");
return;
}
// 数据库驱动字符串
String driver = "oracle.jdbc.driver.OracleDriver";
// 连接URL字符串
String url = "jdbc:oracle:thin:@localhost:1521:oracle10";
// 数据库用户名
String user = "news";
// 用户密码
String password = "accp";
Connection conn = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
// 获取连接并捕获异常
try {
// 加载驱动
Class.forName(driver);
// 获取数据库连接
conn = DriverManager.getConnection(url, user, password);
String sql = "select uname, upwd from news_users where uname =? and upwd=?";
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, uName);
pstmt.setString(2, pwd);
rs = pstmt.executeQuery();
// 执行数据库命令
if (rs.next()) {
if (uName.trim().equals("admin")) { //管理员登录
//Cookie cookie = new Cookie("uName",uName);
//cookie.setMaxAge(5*60);
//response.addCookie(cookie);
session.setAttribute("uName",uName);
//request.getRequestDispatcher("../admin.jsp").forward(request,response);
response.sendRedirect("../admin.jsp?uname=" + uName);
}else{
//普通用户登
}
} else {
out.print("<script>alert('用户名或密码错误！');history.back();</script>");
return;
}
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
} finally {
// 若结果集对象不为空，则关闭
if (rs != null) {
try {
rs.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
// 若PreparedStatement对象不为空，则关闭
if (pstmt != null) {
try {
pstmt.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
// 若数据库连接对象不为空，则关闭
if (conn != null) {
try {
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
%>
news_edit.jsp
<%@page import="cn.jbit.entity.Topic"%>
<%@page import="cn.jbit.biz.TopicBiz"%>
<%@page import="cn.jbit.entity.News"%>
<%@page import="cn.jbit.biz.NewsBiz"%>
<%@page import="java.util.regex.Pattern"%>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GBK" />
<title>管理后台</title>
<link href="CSS/admin.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="header">
<div id="welcome">欢迎使用新闻管理系统！</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>
</div>
</div>
<div id="admin_bar">
<div id="status">管理员： 登录      <a href="#">login out</a></div>
<div id="channel">
</div>
</div>
<div id="main">
<div id="opt_list">
<ul>
<li><a href="news_add.jsp">添加新闻</a></li>
<li><a href="#">编辑新闻</a></li>
<li><a href="#">查找新闻</a></li>
<li><a href="topic_add.jsp">添加主题</a></li>
<li><a href="topicList.jsp">编辑主题</a></li>
</ul>
</div>
<div id="opt_area">
<h1 id="opt_type">
修改新闻：
</h1>
<%
request.setCharacterEncoding("utf-8");
String id = request.getParameter("nid");
if(id == null){
out.print("<script>alert('请求数据不存在！');history.back();</script>");
return;
}else if(!Pattern.matches("^\\d+$",id)){
out.print("<script>alert('请求数据无效！');history.back();</script>");
return;
}
NewsBiz newsBiz = new NewsBiz();
News news = newsBiz.getNewsById(Integer.parseInt(id));
if(news == null){
out.print("<script>alert('请求数据不存在！');history.back();</script>");
return;
}
%>
<form action="news_manage.jsp" method="post">
<p>
<label>
编号
</label>
<input name="nid" type="text" value=<%=news.getNid() %> readonly="readonly" class="opt_input"/>
</p>
<p>
<label>
主题
</label>
<select name="ntid">
<%
TopicBiz topicBiz = new TopicBiz();
List<Topic> topicList = topicBiz.getTopicList();
for(int i = 0; i < topicList.size(); i++){
Topic topic = topicList.get(i);
%>
<option value=<%=topic.getTid() %>
<%
if(topic.getTid().equals(news.getNtid()+"")){
%>
selected="selected"
<%
}
%>
>
<%=topic.getTname() %>
</option>
<%
}
%>
</select>
</p>
<p>
<label>
标题
</label>
<input name="ntitle" type="text" value=<%=news.getNtitle() %> class="opt_input"/>
</p>
<p>
<label>
作者
</label>
<input name="nauthor" type="text" value=<%=news.getNauthor() %> class="opt_input" />
</p>
<p>
<label>
摘要
</label>
<textarea name="nsummary" cols="40" rows="3" >
<%=news.getNsummary() %>
</textarea>
</p>
<p>
<label>
内容
</label>
<textarea name="ncontent" cols="70" rows="10" >
<%=news.getNcontent() %>
</textarea>
</p>
<p>
<label>
上传图片
</label>
<input name="file" type="file" class="opt_input" />
</p>
<input name="action" type="hidden" value="addnews">
<input type="submit" value="提交" class="opt_sub" />
<input type="reset" value="重置" class="opt_sub" />
</form>
</div>
</div>
<div id="site_link">
<a href="#">关于我们</a><span>|</span>
<a href="#">Aboue Us</a><span>|</span>
<a href="#">联系我们</a><span>|</span>
<a href="#">广告服务</a><span>|</span>
<a href="#">供稿服务</a><span>|</span>
<a href="#">法律声明</a><span>|</span>
<a href="#">招聘信息</a><span>|</span>
<a href="#">网站地图</a><span>|</span>
<a href="#">留言反馈</a>
</div>
<div id="footer">
<p class="">24小时客户服务热线：010-68988888      <a href="#">常见问题解答</a>      新闻热线：010-627488888<br />
文明办网文明上网举报电话：010-627488888      举报邮箱：<a href="#">jubao@jb-aptech.com.cn</a></p>
<p class="copyright">Copyright © 1999-2009 News China gov, All Right Reserver<br />
新闻中国 版权所有</p>
</div>
</body>
</html>
news_add.jsp
<%@page import="cn.jbit.entity.Comment"%>
<%@page import="cn.jbit.biz.CommentBiz"%>
<%@page import="java.util.regex.Pattern"%>
<%@page import="cn.jbit.entity.News"%>
<%@page import="cn.jbit.biz.NewsBiz"%>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GBK" />
<title>新闻中国</title>
<link href="../CSS/read.css" rel="stylesheet" type="text/css" />
<script type="text/javascript">
function check(){
var cauthor = document.getElementById("cauthor");
var content = document.getElementById("ccontent");
if(cauthor.value == ""){
alert("用户名不能为空！！");
return false;
}else if(content.value == ""){
alert("评论内容不能为空！！");
return false;
}
return true;
}
</script>
</head>
<body>
<div id="header">
<div id="top_login">
<label> 登录名 </label>
<input type="text" id="uname" value="" class="login_input" />
<label> 密  码 </label>
<input type="password" id="upwd" value="" class="login_input" />
<input type="button" class="login_sub" value="登录" onclick="login()"/>
<label id="error"> </label>
<a href="../index.jsp" class="login_link">返回首页</a> <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> 重庆涉黑富豪黎强夫妇庭审答辩言辞相互矛盾 </b></a> </li>
<li> <a href='#'><b> 发改委：4万亿投资计划不会挤占民间投资空间 </b></a> </li>
<li> <a href='#'><b> 河南2个乡镇政绩报告内容完全一致引关注 </b></a> </li>
</ul>
</div>
<h1> <img src="../Images/title_2.gif" alt="国际新闻" /> </h1>
<div class="side_list">
<ul>
<li> <a href='#'><b> 日本首相鸠山首次全面阐述新*外交政策 </b></a> </li>
<li> <a href='#'><b> 黎巴嫩以色列再次交火互射炮弹 </b></a> </li>
<li> <a href='#'><b> 伊朗将于30日前就核燃料供应方案作出答复 </b></a> </li>
<li> <a href='#'><b> 与基地有关组织宣称对巴格达连环爆炸负责 </b></a> </li>
</ul>
</div>
<h1> <img src="../Images/title_3.gif" alt="娱乐新闻" /> </h1>
<div class="side_list">
<ul>
<li> <a href='#'><b> 施瓦辛格启动影视业回迁计划 推进加州经济复苏 </b></a> </li>
<li> <a href='#'><b> 《沧海》导演回应观众质疑 自信能超越《亮剑》 </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> 《四大名捕》敦煌热拍 八主演飙戏火花四溅 </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">
<%
request.setCharacterEncoding("utf-8");
String id = request.getParameter("id");
if(!Pattern.matches("^\\d+$",id)){
out.print("<script>alert('您请求的信息无效！');history.back();</script>");
return;
}
int nid = Integer.parseInt(id);
NewsBiz newsBiz = new NewsBiz();
News news = newsBiz.getNewsById(nid);
if(news==null){
out.print("<script>alert('您请求的信息不存在！');history.back();</script>");
return;
}
%>
<ul class="classlist">
<table width="80%" align="center">
<tr width="100%">
<td colspan="2" align="center"><%=news.getNtitle() %></td>
</tr>
<tr>
<td colspan="2"><hr />
</td>
</tr>
<tr>
<td align="center"><%=news.getNcreatedate() %></td>
<td align="left"><%=news.getNauthor() %> </td>
</tr>
<tr>
<td colspan="2" align="center"></td>
</tr>
<tr>
<td colspan="2"><%=news.getNcontent() %></td>
</tr>
<tr>
<td colspan="2"><hr />
</td>
</tr>
</table>
</ul>
<ul class="classlist">
<table width="80%" align="center">
<%
CommentBiz commentBiz = new CommentBiz();
List<Comment> commentList = commentBiz.getCommentList(nid);
if(commentList.size() > 0){
for(Comment comment : commentList){
%>
<table width="80%" align="center">
<tr>
<td>留言人：<%=comment.getCauthor() %></td>
<td>IP：<%=comment.getCip() %></td>
<td>留言时间：<%=comment.getCdate() %></td>
</tr>
<tr>
<td colspan="3"><%=comment.getCcontent() %></td>
</tr>
<tr>
<td colspan="3"><hr/></td>
</tr>
</table>
<%
}
}else{
%>
<tr><td colspan="6"> 暂无评论！ </td></tr>
<%
}
%>
<!--tr>
<td colspan="6"><hr />
</td>
</tr-->
</table>
</ul>
<ul class="classlist">
<form action="../util/doComment.jsp" method="post" onsubmit="return check()">
<input type="hidden" name="nid" value="<%=nid %>"/>
<table width="80%" align="center">
<tr>
<td> 评 论 </td>
</tr>
<tr>
<td> 用户名： </td>
<td><input id="cauthor" name="cauthor" value="这家伙很懒什么也没留下"/>
IP：
<input name="cip" value="<%=request.getRemoteAddr() %>"
readonly="readonly"/>
</td>
</tr>
<tr>
<td colspan="2"><textarea name="ccontent" cols="70" rows="10"></textarea>
</td>
</tr>
<td><input name="submit" value="发 表" type="submit"/>
</td>
</table>
</form>
</ul>
</div>
</div>
</div>
<div id="friend">
<h1 class="friend_t"> <img src="../Images/friend_ico.gif" alt="合作伙伴" /> </h1>
<div class="friend_list">
<ul>
<li> <a href="#">中国*网</a> </li>
<li> <a href="#">中国*网</a> </li>
<li> <a href="#">中国*网</a> </li>
<li> <a href="#">中国*网</a> </li>
<li> <a href="#">中国*网</a> </li>
<li> <a href="#">中国*网</a> </li>
<li> <a href="#">中国*网</a> </li>
</ul>
</div>
</div>
<div id="footer">
<p class=""> 24小时客户服务热线：010-68988888      <a href="#">常见问题解答</a>      新闻热线：010-627488888 <br />
文明办网文明上网举报电话：010-627488888      举报邮箱： <a href="#">jubao@jb-aptech.com.cn</a> </p>
<p class="copyright"> Copyright © 1999-2009 News China gov, All Right Reserver <br />
新闻中国 版权所有 </p>
</div>
</body>
</html>
效果图：
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