JSP课设：论坛管理系统（附源码+调试）
JSP论坛管理系统
（1）注册模块：游客点击注册模块，输入账号，密码，昵称进行注册。
（2）登录模块：用户注册之后，输入账号和密码即可登录。
（3）我要发贴：点击发帖，进入我要发帖模块，用户输入标题和内容，并选择发布浏览器即可发帖。
（4）我的帖子：用户可以查看自己发布的帖子标题，发帖时间，浏览次数，并可以对帖子进行删除操作。
（5）评论帖子：用户可以在帖子中心浏览帖子，点进去之后，可以对帖子内容进行评论。
（6）个人资料：用户可以查看个人资料，修改个人资料，密码和头像等信息。
代码链接：https://pan.baidu.com/s/15EBudlmILzAwuDFuXT9KTQ
提取码：hd7b
系统截图
1、系统首页
2、注册页面
3、登录页面
4、帖子中心
5、我要发帖
6、发表评论
7、个人资料
部分核心代码
1、数据库连接
package cn.cqut.edu.dao;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ParameterMetaData;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.sql.Types;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
public class BaseDao {
// 数据URL
private static final String url = "jdbc:mysql://localhost:3306/forum?Unicode=true&characterEncoding=UTF-8";
// 用户名
private static final String username = "root";
// 密码
private static final String password = "123456";
// 数据库驱动
private static final String jdbcDriver = "com.mysql.jdbc.Driver";
// 调用 ParameterMetaData.getParameterType(i + 1) 是否会抛出异常
protected boolean pmdKnownBroken = false;
public BaseDao() {
}
public BaseDao(boolean pmdKnownBroken) {
this.pmdKnownBroken = pmdKnownBroken;
}
public Connection getConnetion() {
Connection conn = null;
try {
Class.forName(jdbcDriver);
conn = DriverManager.getConnection(url, username, password);
} catch (SQLException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
return conn;
}
/** 根据给定的参数 执行Sql 查询语句，把结果集合放在一个 List> 里面 */
@SuppressWarnings("unchecked")
public List<Map<String, Object>> executeQuery(String sql, Object[] params) {
return (List<Map<String, Object>>) this.excuteQuery(sql, params,
new ListMapHander());
}
/** 查村传进来的sql语句, 按照所需要的接口的方法处理结果集,返回所需要的结果集的格式 */
public Object excuteQuery(String sql, Object[] params, ResultSetHander rsh) {
PreparedStatement stmt = null;
ResultSet rs = null;
Connection con = this.getConnetion();
List<Map<String, Object>> resultList = new ArrayList<Map<String, Object>>();
try {
stmt = con.prepareStatement(sql);
System.out.println("SQL:" + sql + "; Parameters:"
+ Arrays.deepToString(params));
// 填充Statement的参数
fillStatement(stmt, params);
// 执行查询
rs = stmt.executeQuery();
Object obj = rsh.doHander(rs);
return obj;
} catch (SQLException e) {
e.printStackTrace();
} finally {
// 关闭数据库连接
close(con, stmt, rs);
}
return resultList;
}
/**
* 更新操作 返回值1：成功
*/
public int executeUpdate(String sql, Object[] params) {
PreparedStatement stmt = null;
Connection con = this.getConnetion();
int rs = 0;
try {
con.setAutoCommit(false);
// 创建PreparedStatement对象
stmt = con.prepareStatement(sql);
// 填充Statement的参数
fillStatement(stmt, params);
System.out.println("SQL:" + sql + "; Parameters:"
+ Arrays.deepToString(params));
// 执行查询
rs = stmt.executeUpdate();
// 提交事务
con.commit();
// 把事务设置为原来的状态
con.setAutoCommit(true);
} catch (SQLException e) {
// 在捕获到异常的时候事务回滚
try {
con.rollback();
if (!con.getAutoCommit()) {
con.setAutoCommit(true);
}
} catch (SQLException e1) {
e.printStackTrace();
System.out.println("update database error");
}
System.out.println("update database error");
} finally {
// 关闭数据库连接
close(con, stmt, null);
}
return rs;
}
/**
* @Title: fillStatement
* @Description: 填充SQL参数
* @param stmt
* @param params
* @throws SQLException
* @return void
*/
private void fillStatement(PreparedStatement stmt, Object[] params)
throws SQLException {
/**
* 检测参数的个数是否合法，但是有的数据库驱动不支持 stmt.getParameterMetaData()这个方法。
* 因此我们有一个一个pmdKnownBroken 变量来标识当前数据驱动是否支持该方法的调用。
*/
ParameterMetaData pmd = null;
if (!pmdKnownBroken) {
pmd = stmt.getParameterMetaData();
int stmtCount = pmd.getParameterCount();
int paramsCount = params == null ? 0 : params.length;
if (stmtCount != paramsCount) {
System.out.println("stmtCount:" + stmtCount + ",paramsCount:"
+ paramsCount);
throw new SQLException("Wrong number of parameters: expected "
+ stmtCount + ", was given " + paramsCount);
}
}
// 如果 参数 为 null 直接返回
if (params == null) {
return;
}
for (int i = 0; i < params.length; i++) {
if (params[i] != null) {
stmt.setObject(i + 1, params[i]);
} else {
int sqlType = Types.VARCHAR;
if (!pmdKnownBroken) {
try {
sqlType = pmd.getParameterType(i + 1);
} catch (SQLException e) {
pmdKnownBroken = true;
}
}
stmt.setNull(i + 1, sqlType);
}
}
}
/**
* 关闭数据库连接
*/
private void close(Connection con, Statement stmt, ResultSet rs) {
if (rs != null) {
try {
rs.close();
} catch (Exception e) {
} finally {
if (stmt != null) {
try {
stmt.close();
} catch (SQLException e) {
e.printStackTrace();
} finally {
if (con != null) {
try {
con.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}
}
}
}
}
2、前端首页代码
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://"
+ request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>
<%
response.setContentType("text/html;charset=UTF-8");
request.setCharacterEncoding("UTF-8");
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>Bwly论坛</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">
<link href="css/bootstrap.min.css" rel="stylesheet">
<script src="js/jquery-1.11.1.js"></script>
<script src="js/bootstrap.min.js"></script>
<script type="text/javascript">
window.onload = function() {
var name1 = document.getElementById("userName");
//用户名
var name2 = document.getElementById("regAccount");
//昵称
var password = document.getElementById("regPwd1");
//密码
var password2 = document.getElementById("regPwd2");
//确认密码
/*用户名验证*/
name1.onfocus = function() {
name1_msg.innerHTML = "1-4个汉字或字母";
};
name1.onkeyup = function() {
};
name1.onblur = function() {
//含有非法字符
var re = /[^\w\u4e00-\u9fa5]/g;
if (re.test(this.value)) {
name1_msg.innerHTML = "ps:含有非法字符！";
}
//不能为空
else if (this.value == "") {
name1_msg.innerHTML = "ps:用户名不能为空！";
}
//长度超过10个汉字或字母
else if (this.value.length > 4) {
name1_msg.innerHTML = "ps:长度超过10个汉字或字母！";
}
//验证通过
else {
name1_msg.innerHTML = '
';
}
};
/*用户昵称验证*/
name2.onfocus = function() {
name2_msg.innerHTML = "ps:2-8个汉字或字母";
};
name2.onkeyup = function() {
};
name2.onblur = function() {
//含有非法字符
var re = /[^\w\u4e00-\u9fa5]/g;
if (re.test(this.value)) {
name2_msg.innerHTML = "ps:含有非法字符！";
}
//不能为空
else if (this.value == "") {
name2_msg.innerHTML = "ps:用户昵称不能为空！";
}
//长度超过10个汉字或字母
else if (this.value.length > 8) {
name2_msg.innerHTML = "ps:长度超过8个汉字或字母！";
}
//长度少于2个汉字或字母
else if (this.value.length < 2) {
name2_msg.innerHTML = "ps:长度少于2个汉字或字母！";
}
//用户名与用户昵称不能相同
else if (this.value == name1.value) {
name2_msg.innerHTML = "ps:用户名与用户昵称不能相同！";
}
//验证通过
else {
name2_msg.innerHTML = '';
}
};
/*密码验证*/
password.onfocus = function() {
password1_msg.innerHTML = "ps:6-10个数字或字母";
};
password.onkeyup = function() {
};
password.onblur = function() {
//含有非法字符
var re = /[^\w\u4e00-\u9fa5]/g;
if (re.test(this.value)) {
password1_msg.innerHTML = "ps:含有非法字符！";
}
//不能为空
else if (this.value == "") {
password1_msg.innerHTML = "ps:密码不能为空！";
}
//长度超过10个汉字或字母
else if (this.value.length > 10) {
password1_msg.innerHTML = "ps:长度超过10！";
}
//长度少于2个汉字或字母
else if (this.value.length < 6) {
password1_msg.innerHTML = "ps:长度少于6！";
}
//验证通过
else {
password1_msg.innerHTML = '';
}
};
/*密码再次验证*/
password2.onfocus = function() {
password2_msg.innerHTML = "请再次输入密码";
};
password2.onkeyup = function() {
};
password2.onblur = function() {
//var re = /[^\w\u4e00-\u9fa5]/g;
//不能为空
if (this.value == "") {
password2_msg.innerHTML = "确认密码不能为空！";
}
//验证通过
else if (this.value != password.value) {
password2_msg.innerHTML = "密码输入不一样！";
}
//验证通过
else {
password2_msg.innerHTML = '';
}
};
};
$(document).ready(function($) {
$('.theme-login').click(function() {
$('.theme-popover-mask').show();
$('.theme-popover-mask').height($(document).height());
$('.theme-popover').slideDown(200);
});
$('.theme-reg').click(function() {
$('.theme-popover-mask2').show();
$('.theme-popover-mask2').height($(document).height());
$('.theme-popover2').slideDown(200);
});
$('.theme-poptit .close').click(function() {
$('.theme-popover-mask').hide();
$('.theme-popover').slideUp(200);
});
$('.theme-poptit .close2').click(function() {
$('.theme-popover-mask2').hide();
$('.theme-popover2').slideUp(200);
});
});
// 登陆
function login() {
$
.ajax({
url : "LoginServlet",
type : "POST",
dataType : "json",
data : {
account : $("#account").val(),
password : $("#password").val()
},
success : function(value) {
alert(value.result);
$('.theme-popover-mask').hide();
$('.theme-popover').slideUp(200);
if (value.result == "登陆成功") {
//var userName = value.userName;
var userID = value.userID;
var userAccount = value.userAccount;
var userPhoto = value.userPhoto;
$("#userBox")
.html(
"");
} else {
// 登陆失败清空登陆框的信息
$("#account").val("");
$("#password").val("");
}
},
});
};
// 注册
function register() {
$.ajax({
url : "RegisterServlet",
type : "POST",
dataType : "json",
data : {
regUserName : $("#userName").val(),
regAccount : $("#regAccount").val(),
regPassword : $("#regPwd2").val()
},
success : function(value) {
alert(value.result);
$('.theme-popover-mask2').hide();
$('.theme-popover2').slideUp(200);
},
});
};
// 展示页面
function showMessage() {
$("#userInfo").slideDown(200);
};
</script>
<style type="text/css">
.title {
font-size: 30px;
margin-left: 20px;
margin-right: 20px;
}
* {
margin: 0;
padding: 0;
list-style-type: none;
}
a,img {
border: 0;
}
body {
font: 12px/180% microsoft yahei;
}
a {
color: #0088DB;
text-decoration: none;
cursor: pointer
}
a:hover {
color: #2A5E8E
}
/* input */
input {
font-size: 12px;
font-size: 100%;
font-family: microsoft yahei;
outline: none;
line-height: normal;
color: #444;
}
.ipt {
border: solid 1px #d2d2d2;
border-left-color: #ccc;
border-top-color: #ccc;
border-radius: 2px;
box-shadow: inset 0 1px 0 #f8f8f8;
background-color: #fff;
padding: 4px 6px;
height: 21px;
line-height: 21px;
color: #555;
width: 180px;
vertical-align: baseline;
}
.ipt:focus {
border-color: #95C8F1;
box-shadow: 0 0 4px #95C8F1;
}
/* btn */
.btn {
position: relative;
cursor: pointer;
display: inline-block;
vertical-align: middle;
font-size: 12px;
font-weight: bold;
height: 27px;
line-height: 27px;
min-width: 52px;
padding: 0 12px;
text-align: center;
text-decoration: none;
border-radius: 2px;
border: 1px solid #ddd;
color: #0088D8;
background-color: #0088D8;
background: -webkit-linear-gradient(top, #0088D8, #0088D8);
background: -moz-linear-gradient(top, #0088D8, #0088D8);
background: linear-gradient(top, #0088D8, #0088D8);
}
input.btn {
height: 29px;
}
.btn:hover {
border-color: #0088D8;
color: #0088D8;
background-color: #0088D8;
background: -webkit-linear-gradient(top, #0088D8, #0088D8);
background: -moz-linear-gradient(top, #0088D8, #0088D8);
background: linear-gradient(top, #0088D8, #0088D8);
box-shadow: #0088D8 0 1px 1px 0;
}
.btn:active,.btn.btn-active {
box-shadow: #0088D8 0 1px 2px 0 inset;
border-color: #0088D8;
}
.btn:focus {
border-color: #0088D8;
outline: none
}
.btn-primary {
border-color: #0088D8;
color: #FFFFFF;
background-color: #0088D8;
background: -webkit-linear-gradient(top, #0088D8, #0088D8);
background: -moz-linear-gradient(top, #4D90FE, #4787ED);
background: linear-gradient(top, #4D90FE, #4787ED);
}
.btn-primary:hover {
border-color: #0088D8;
color: #0088D8;
background-color: #0088D8;
background: -webkit-linear-gradient(top, #FFFFFF, #FFFFFF);
background: -moz-linear-gradient(top, #4D90FE, #357AE8);
background: linear-gradient(top, #4D90FE, #357AE8);
}
.btn-primary:active {
box-shadow: #2176D3 0 1px 2px 0 inset;
border-color: #3079ED;
}
.btn-primary:focus {
border-color: #4d90fe;
outline: none
}
.oo {
margin-right: 5px;
}
.theme-signin {
font-size: 15px;
}
.theme-popover-mask {
z-index: 1;
position: absolute;
left: 0;
top: 0;
width: 100%;
height: 100%;
background: #000;
opacity: 0.5;
filter: alpha(opacity = 50);
-moz-opacity: 0.5;
display: none;
}
.theme-popover-mask2 {
z-index: 1;
position: absolute;
left: 0;
top: 0;
width: 100%;
height: 100%;
background: #000;
opacity: 0.5;
filter: alpha(opacity = 50);
-moz-opacity: 0.5;
display: none;
}
.theme-popover {
z-index: 9;
position: absolute;
top: 50%;
left: 52%;
width: 350px;
height: 350px;
margin: -150px 0 0 -200px;
border-radius: 5px;
border: solid 2px #e4e4e4;
background-color: #fff;
display: none;
box-shadow: 0 0 10px #666;
background: #fff;
}
.userInfo {
z-index: 10;
position: absolute;
top: 50px;
right: 50px;
width: 350px;
height: 350px;
border-radius: 5px;
border: solid 2px #e4e4e4;
background-color: #fff;
display: none;
box-shadow: 0 0 10px #666;
background: blue;
}
.theme-popover2 {
z-index: 9;
position: absolute;
top: 50%;
left: 45%;
width: 350px;
height: 500px;
margin: -250px 0 0 -100px;
border-radius: 5px;
border: solid 2px #e4e4e4;
background-color: #fff;
display: none;
box-shadow: 0 0 10px #666;
background: #fff;
}
.theme-poptit {
border-bottom: 1px solid #ddd;
padding: 8px;
position: relative;
height: 24px;
}
.theme-poptit .close {
float: right;
color: #999;
padding: 5px;
margin: -2px -5px -5px;
font: bold 14px/14px simsun;
text-shadow: 0 1px 0 #ddd
}
.theme-poptit .close:hover {
color: #444;
}
.theme-poptit2 {
border-bottom: 1px solid #ddd;
padding: 5px;
position: relative;
height: 24px;
}
.theme-poptit2.close {
float: right;
color: #999;
padding: 5px;
margin: -2px -5px -5px;
font: bold 14px/14px simsun;
text-shadow: 0 1px 0 #ddd
}
.theme-poptit2.close:hover {
color: #444;
}
.theme-popbod {
padding: 60px 15px;
color: #444;
height: 148px;
}
.dform {
height: 40px;
padding: 80px 60px 40px;
text-align: center;
}
.theme-signin {
margin: -50px -20px -50px 0px;
text-align: left;
font-size: 14px;
}
.theme-signin h4 {
color: #999;
font-weight: 100;
margin-bottom: 20px;
font-size: 20px;
}
.theme-signin li {
padding-left: 80px;
margin-bottom: 15px;
}
.theme-signin li strong {
float: left;
margin-left: -80px;
width: 80px;
text-align: right;
line-height: 40px;
text-size: 20px;
}
.theme-signin .btn {
margin-top: 30px;
margin-right: 83px;
margin-bottom: 10px;
}
.theme-signin p {
margin-top: 20px;
font-size: 12px;
color: #999;
}
.theme-signin input {
height: 30px;
}
#linkText {
font-size:15px;
}
</style>
</head>
<body>
<div class="navbar navbar-inverse navbar-fixed-top" role="navigation"
style="padding-top:10px">
<div class="navbar-header">
<a href="##" class="navbar-brand title">BwLy</a>
</div>
<ul class="nav nav-pills pull-left">
<li onClick="addClass_(e)"><a id="linkText" href="home.jsp" target="content"
id="navBar1" onClick="bar()">首页</a></li>
<li onClick="addClass_()"><a id="linkText" href="ThemeServlet"
target="content" id="navBar2">贴帖中心</a>
</li>
<li onclick="addClass_()"><a id="linkText" href="aboutUs.jsp" target="content"
id="navBar6">关于我们</a>
</li>
</ul>
<div class="pull-right" id="userBox"
style="margin-right:40px; margin-top:8px"
style="positon:absolute; right:30px; top: 10px">
<a class="btn btn-primary theme-login"
id="login" href="javascript:;">登录</a> <a
class="btn btn-primary theme-reg" id="reg" href="javascript:;">注册</a>
</div>
</div>
<!-- 登陆页面 -->
<div class="theme-popover-mask"></div>
<div class="theme-popover">
<div class="theme-poptit">
<a href="javascript:;" title="关闭" class="close">×</a>
<h3>登录</h3>
</div>
<form class="theme-popbod dform">
<div class="theme-signin">
<p>
<strong>用户名: </strong><input class="ipt"
type="text" id="account" placeholder="用户名" size="20" />
</p>
<p>
<strong>密 码: </strong><input
class="ipt" type="password" id="password" placeholder="用户密码"
size="20" />
</p>
<div style="margin-top:20px">
<input class="btn btn-primary" type="button" onClick="login()"
value=" 登 录 " style="margin-left: 0px;" /> <input
class="btn btn-primary" type="reset" name="reset" value=" 重 置 "
style="margin-right: -10px;" />
</div>
</div>
</form>
</div>
<!-- 注册页面 -->
<div class="theme-popover-mask2"></div>
<div class="theme-popover2">
<div class="theme-poptit">
<a href="javascript:;" title="关闭" class="close2">×</a>
<h3>注册</h3>
</div>
<form class="theme-popbod dform">
<div class="theme-signin">
<p>
<strong>账 号: </strong><input
class="ipt" type="text" id="regAccount" placeholder="用户名"
size="20" /> <font color="#0088D8"><nobr id="name1_msg"></nobr>
</font>
</p>
<p>
<strong>昵 称: </strong> <input
class="ipt" type="text" id="userName" placeholder="取一个专属的昵称吧"
size="20" /> <font color="#0088D8"><nobr id="name2_msg"></nobr>
</font>
</p>
<p>
<strong>密 码: </strong><input
class="ipt" type="password" id="regPwd1" placeholder="请输入你的密码"
size="20" /> <font color="#0088D8"><nobr
id="password1_msg"></nobr> </font>
</p>
<p>
<strong>确认密码: </strong><input class="ipt"
type="password" id="regPwd2" placeholder="请再次输入你的密码" size="20" />
<font color="#0088D8"><nobr id="password2_msg"></nobr> </font>
</p>
<div style="margin-top:20px">
<input class="btn btn-primary" type="button" onClick="register()"
value=" 注 册 " style="margin-left: -10px;" /> <input
class="btn btn-primary" type="reset" name="reset" value=" 重 置 "
style="margin-right: -10px;" />
</div>
</div>
</form>
</div>
<div id="userInfo"></div>
<div style="width:100%">
<iframe style="width:100%; height:100%;" src="home.jsp" name="content"
frameborder="no"></iframe>
</div>
</body>
</html>