java web个人通讯录系统设计
作者：kang_ya_ping
这篇文章主要为大家详细介绍了java web个人通讯录系统设计，文中示例代码介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们可以参考一下
本文实例为大家分享了java web个人通讯录系统的具体代码，供大家参考，具体内容如下
现在开始上截图：
下面粘贴代码：
首先是目录结构：
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>add.jsp</title>
<script type="text/javascript" src="<c:url value='/jquery/contactor.js'/>"></script>
<style type="text/css">
body{
text-align: center;
font-size:38px;
}
*{
font-family:华文楷体;
font-size:18px;
color:#F0F";
}
h1{
text-align: center;
font-size:38px;
}
</style>
</head>
<body >
<h1 style="font-size:38px;">添加新的联系人</h1>
<form action="<c:url value='/ContactorServlet?userId=${userId } '/>" method="post" onsubmit="return checkForm()">
<input type="hidden" name="method" value="4">
<table border="1" width="50%" align="center">
<tr>
<td>姓名</td>
<td>
<input type="text" name="name" id="name" onfocus="nameFocus()" onblur="nameBlur()"/>
<div id="nameId"></div>
</td>
</tr>
<tr>
<td>电话</td>
<td>
<input type="text" name="tel" id="tel" onfocus="telFocus()" onblur="telBlur()"/>
<div id="telId"></div>
</td>
</tr>
<tr>
<td>地址</td>
<td>
<input type="text" name="address" id="address" />
</td>
</tr>
<tr>
<td>邮编</td>
<td>
<input type="text" name="zipcode" />
</td>
</tr>
</table>
<input style="margin-right:200px;" type="submit" value="添加"/>
</form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>edit.jsp</title>
<script type="text/javascript" src="<c:url value='/jquery/contactor.js'/>"></script>
<style type="text/css">
body{
text-align: center;
font-size:38px;
}
*{
font-family:华文楷体;
font-size:18px;
color:#F0F";
}
h1{
text-align: center;
font-size:38px;
}
</style>
</head>
<body >
<h1 style="font-size:38px;">修改联系人信息</h1>
<form action="<c:url value='/ContactorServlet'/>" method="post" onsubmit="return checkForm()">
<input type="hidden" name="method" value="6">
<input type="hidden" name="id" value="${contactor.id }">
<table border="1" width="50%" align="center">
<tr>
<td>姓名</td>
<td>
<input type="text" name="name" value="${contactor.name }" id="name" onfocus="nameFocus()" onblur="nameBlur()"/>
<div id="nameId"></div>
</td>
</tr>
<tr>
<td>电话</td>
<td>
<input type="text" name="tel" value="${contactor.tel }" id="tel" onfocus="telFocus()" onblur="telBlur()" />
<div id="telId"></div>
</td>
</tr>
<tr>
<td>地址</td>
<td>
<input type="text" id="address" name="address" value="${contactor.address }" />
</td>
</tr>
<tr>
<td>邮编</td>
<td>
<input type="text" name="zipcode" value="${contactor.zipcode }" />
</td>
</tr>
</table>
<input style="margin-right:200px;" type="submit" value="更改"/>
</form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>home.jsp</title> </head> <frameset rows="100%,*"> <frame name="body" src="<c:url value='/jsp/top.jsp'/>" /> </frameset> </html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>list.jsp</title>
<style type="text/css">
body{
text-align: center;
font-size:38px;
}
*{
font-family:华文楷体;
font-size:18px;
color:#F0F";
}
h1{
text-align: center;
font-size:38px;
}
a:link{
color: #999;
text-decoration: none;
}
a:VISITED {
text-decoration: none;
color: #c60;
}
a:HOVER {
text-decoration: none;
color: #00F;
}
</style>
</head>
<body >
<h1 style="font-size:38px;">欢迎登录到通信录系统</h1>
<a style="font-size:26px;" href="<c:url value='/ContactorServlet?method=3&userId=${userId }'/>">查看联系人</a>
<a style="font-size:26px;" href="<c:url value='/jsp/add.jsp'/>">添加联系人</a>
<a style="font-size:26px;" href="<c:url value='/jsp/top.jsp'/>">退出系统</a>
<table border="1" align="center" width="60%">
<tr>
<th>姓名</th>
<th>电话</th>
<th>地址</th>
<th>邮编</th>
<th>操作1</th>
<th>操作2</th>
</tr>
<c:forEach items="${contactorList }" var="c">
<tr>
<td>${c.name }</td>
<td>${c.tel }</td>
<td>${c.address }</td>
<td>${c.zipcode }</td>
<td><a href="<c:url value='/ContactorServlet?method=5&id=${c.id }'/>">编辑</a>
</td>
<td>
<a href="<c:url value='/ContactorServlet?method=7&id=${c.id }'/>" >删除</a>
</td>
</tr>
</c:forEach>
</table>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>top.jsp</title>
<style type="text/css">
body{
text-align: center;
font-size:38px;
}
*{
font-family:华文楷体;
font-size:18px;
color:#F0F";
}
h1{
text-align: center;
font-size:38px;
}
</style>
</head>
<body >
<h1 style="font-size:38px;">我的通信录</h1>
<form action="<c:url value='/ContactorServlet'/>" method="post">
<input type="hidden" name="method" value="1">
用户名:<input type="text" name="username" /><br/>
密 码:<input type="password" name="password" /><br/>
<input type="submit" value="注册">
</form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>top.jsp</title>
<style type="text/css">
body{
text-align: center;
font-size:38px;
}
*{
font-family:华文楷体;
font-size:18px;
color:#F0F";
}
h1{
text-align: center;
font-size:38px;
}
</style>
</head>
<body >
<h1 style="font-size:38px;">我的通信录</h1>
<form action="<c:url value='/ContactorServlet'/>" method="post">
<input type="hidden" name="method" value="2">
用户名:<input type="text" name="username"/><br/>
密 码:<input type="password" name="password"/><br/>
<input type="submit" value="登录">
<a href="<c:url value='/jsp/register.jsp'/>" target="body" >注册</a>
</form>
</body>
</html>
index.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<jsp:forward page="/jsp/home.jsp" />
contactor.js
//当鼠标放在客户名文本框时，给出一个提示文本
function nameFocus() {
var nameId = document.getElementById("nameId");
nameId.innerHTML = "请输入客户真实姓名";
}
//当鼠标离开客户名文本框时，给出一个文本提示
function nameBlur() {
var name = document.getElementById("name");
var nameId = document.getElementById("nameId");
var reg= /^[\u4e00-\u9fa5]+$/;
if(name.value == ""){
nameId.innerHTML = "<font color='red'>联系人名不能为空</font>";
return false;
}
if(reg.test(name.value) == false){
nameId.innerHTML = "<font color='red'>联系人名只能输入中文简体汉字</font>";
return false;
}
nameId.innerHTML = "<font color='green'>联系人名输入正确</font>";
return true;
}
//当鼠标放在客户名文本框时，给出一个提示文本
function telFocus() {
var telId = document.getElementById("telId");
telId.innerHTML = "请输入手机号码";
}
//当鼠标离开客户名文本框时，给出一个文本提示
function telBlur() {
var tel = document.getElementById("tel");
var telId = document.getElementById("telId");
var reg= /^(13|15|17|18)\d{9}$/;
if(tel.value == ""){
telId.innerHTML = "<font color='red'>手机号码不能为空</font>";
return false;
}
if(reg.test(tel.value) == false){
telId.innerHTML = "<font color='red'>手机号码输入不正确</font>";
return false;
}
telId.innerHTML = "<font color='green'>手机号码输入正确</font>";
return true;
}
//表单提交时验证输入内容的有效性
function checkForm() {
var flagname = nameBlur();
var flagtel = telBlur();
if(flagname == true && flagtel == true ){
return true;
}else{
alert("失败，请按提示输入信息 ！")
return false;
}
}
package cn.edu.aynu.rjxy.bean;
/**
* 联系人表属性
* @author Administrator
*
*/
public class Contactor {
private int id;
private int userId;
private String name;
private String tel;
private String address;
private String zipcode;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public int getUserId() {
return userId;
}
public void setUserId(int userId) {
this.userId = userId;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getTel() {
return tel;
}
public void setTel(String tel) {
this.tel = tel;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public String getZipcode() {
return zipcode;
}
public void setZipcode(String zipcode) {
this.zipcode = zipcode;
}
}
package cn.edu.aynu.rjxy.bean;
/**
* 用户表属性
* @author Administrator
*
*/
public class User {
private int id;
private String username;
private String password;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
package cn.edu.aynu.rjxy.dao;
import java.sql.SQLException;
import java.util.List;
import org.apache.commons.dbutils.QueryRunner;
import org.apache.commons.dbutils.handlers.BeanHandler;
import org.apache.commons.dbutils.handlers.BeanListHandler;
import cn.edu.aynu.rjxy.bean.Contactor;
import cn.edu.aynu.rjxy.utils.JDBCUtils;
/**
* 对linkman表的增删改查
* @author Administrator
*
*/
public class ContactorDao {
private QueryRunner qr = new QueryRunner(JDBCUtils.getDataSource());
/**
* 添加联系人
* @param c
* @throws SQLException
*/
public void insert(Contactor c,int userId) throws SQLException{
String sql = "insert into linkman(name,tel,address,zipcode,userId) values(?,?,?,?,?)";
qr.update(sql, c.getName(),c.getTel(),c.getAddress(),c.getZipcode(),userId);
}
/**
* 删除联系人
* @param cid
* @throws SQLException
*/
public void delete(int id) throws SQLException{
String sql = "delete from linkman where id=?";
qr.update(sql, id);
}
/**
* 修改联系人
* @param c
* @throws SQLException
*/
public void update(Contactor c,int userId) throws SQLException{
String sql = "update linkman set name=?,tel=?,address=?,zipcode=?,userId=? where id=?";
qr.update(sql, c.getName(),c.getTel(),c.getAddress(),c.getZipcode(),userId,c.getId());
}
/**
* 根据userId查询联系人
* @throws SQLException
*
*/
public List<Contactor> findAll(int userId) throws SQLException{
String sql = "select * from linkman where userId = ?";
List<Contactor> list = qr.query(sql, new BeanListHandler<Contactor>(Contactor.class),userId);
return list;
}
/**
* 根据id查询某个联系人
* @throws SQLException
*
*/
public Contactor findByCid(int id) throws SQLException{
String sql = "select * from linkman where id=?";
Contactor c = qr.query(sql, new BeanHandler<Contactor>(Contactor.class), id);
return c;
}
}
package cn.edu.aynu.rjxy.dao;
import java.sql.SQLException;
import org.apache.commons.dbutils.QueryRunner;
import org.apache.commons.dbutils.handlers.BeanHandler;
import cn.edu.aynu.rjxy.bean.User;
import cn.edu.aynu.rjxy.utils.JDBCUtils;
/**
* 对user表的查询
* @author Administrator
*
*/
public class UserDao {
private QueryRunner qr = new QueryRunner(JDBCUtils.getDataSource());
/**
* 根据用户名和用户密码查询
* @param cid
* @return
* @throws SQLException
*/
public User findByCid(String username,String password) throws SQLException{
String sql = "select * from user where username=?&&password=?";
User u = qr.query(sql, new BeanHandler<User>(User.class), username,password);
return u;
}
/**
* 注册
* @param c
* @throws SQLException
*/
public void register(User u) throws SQLException{
String sql = "insert into user(username,password) values(?,?)";
qr.update(sql, u.getUsername(),u.getPassword());
}
}
package cn.edu.aynu.rjxy.service;
import java.sql.SQLException;
import java.util.List;
import cn.edu.aynu.rjxy.bean.Contactor;
import cn.edu.aynu.rjxy.dao.ContactorDao;
/**
* 联系人功能处理
* @author Administrator
*
*/
public class ContactorService {
//创建ContactorDao对象
ContactorDao dao = new ContactorDao();
/**
* 添加联系人
* @param c
*/
public void add(Contactor c,int userId){
try {
dao.insert(c,userId);
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
/**
* 删除联系人
* @param cid
*/
public void delete(int id){
try {
dao.delete(id);
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
/**
* 加载（查询）联系人
* @param cid
*/
public List<Contactor> load(int userId){
try {
return dao.findAll(userId);
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
/**
* 加载（查询）联系人（为修改做准备）
* @param cid
*/
public Contactor loadById(int id){
try {
return dao.findByCid(id);
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
/**
* 编辑（修改）联系人信息
* @param c
*/
public void edit(Contactor c,int userId){
try {
dao.update(c,userId);
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
}
package cn.edu.aynu.rjxy.service;
import java.sql.SQLException;
import cn.edu.aynu.rjxy.bean.User;
import cn.edu.aynu.rjxy.dao.UserDao;
/**
*
* @author Administrator
*
*/
public class UserService {
//创建ContactorDao对象
UserDao dao = new UserDao();
/**
* 根据用户名和密码查询用户
* @param cid
*/
public User login(String username,String password){
try {
return dao.findByCid(username,password);
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
/**
* 注册
* @param c
*/
public void register(User u){
try {
dao.register(u);
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
}
package cn.edu.aynu.rjxy.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 javax.servlet.http.HttpSession;
import cn.edu.aynu.rjxy.bean.Contactor;
import cn.edu.aynu.rjxy.bean.User;
import cn.edu.aynu.rjxy.service.ContactorService;
import cn.edu.aynu.rjxy.service.UserService;
import cn.edu.aynu.rjxy.utils.CommonsUtils;
/**
* 处理联系人请求
* @author Administrator
*
*/
public class ContactorServlet extends HttpServlet {
private ContactorService cs = new ContactorService();
private UserService us = new UserService();
private int userId;
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
this.doPost(request, response);
}
/**
* 通过获取表单中的隐藏字段method或者超链接中的method参数的值来区分调用执行那个方法来处理这个请求
*/
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
//处理中文乱码
request.setCharacterEncoding("UTF-8");
response.setContentType("text/html;charset=UTF-8");
//获取隐藏字段method的值，并把它转换为int型
int method = Integer.parseInt(request.getParameter("method"));
switch(method){
case 1: this.register(request, response);
break;
case 2: this.login(request, response);
break;
case 3: this.query(request, response);
break;
case 4: this.add(request, response);
break;
case 5: this.loadForUpdate(request, response);
break;
case 6: this.edit(request, response);
break;
case 7: this.delete(request, response);
break;
}
}
/**
* 处理注册的请求
* @param request
* @param response
* @throws ServletException
* @throws IOException
*/
public void register(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
//使用CommonUtils工具类将请求数据封装到bean中
User u = CommonsUtils.toBean(request.getParameterMap(), User.class);
//执行添加客户业务
us.register(u);
//输出添加成功提示
response.getWriter().print("注册成功,三秒钟自动跳转到登录界面");
response.setHeader("Refresh","3;url=http://127.0.0.1:8099/addresslist/jsp/top.jsp");
}
/**
* 处理登录的请求 method=2
* @param request
* @param response
* @throws ServletException
* @throws IOException
*/
public void login(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
//从请求中解析用户名和密码
String username = request.getParameter("username");
String password = request.getParameter("password");
//执行加载业务
User u = us.login(username, password);
if (u != null) {
HttpSession session = request.getSession();
session.setAttribute("userId", u.getId());
response.getWriter().print("登录成功"+u.getId());
//通过请求转发将pb带到list.jsp上去
request.getRequestDispatcher("/jsp/list.jsp").forward(request, response);
}else{
response.getWriter().print("登录失败，即将跳转到登录页面，请重新登录......");
response.setHeader("Refresh","3;url=http://127.0.0.1:8099/addresslist/jsp/top.jsp");
}
}
/**
* 处理查看联系人的请求 method=3
* @param request
* @param response
* @throws ServletException
* @throws IOException
*/
public void query(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
HttpSession session = request.getSession();
userId = (Integer) session.getAttribute("userId");
//执行查询业务
List<Contactor> list = cs.load(userId);
//将list存放到request域中
request.setAttribute("contactorList", list);
System.out.println(list.size());
//通过请求转发将查询结果带到list.jsp页面上显示
request.getRequestDispatcher("/jsp/list.jsp").forward(request, response);
}
/**
* 处理添加客户的请求
* @param request
* @param response
* @throws ServletException
* @throws IOException
*/
public void add(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
HttpSession session = request.getSession();
userId = (Integer) session.getAttribute("userId");
//使用CommonUtils工具类将请求数据封装到bean中
Contactor c = CommonsUtils.toBean(request.getParameterMap(), Contactor.class);
//执行添加客户业务
cs.add(c,userId);
//输出添加成功提示
response.getWriter().print("添加成功,三秒后跳转到功能界面......");
response.setHeader("Refresh","3;url=http://127.0.0.1:8099/addresslist/jsp/list.jsp");
}
/**
* 处理加载某一个客户的请求
* @param request
* @param response
* @throws ServletException
* @throws IOException
*/
public void loadForUpdate(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
//从请求中获取客户的cid
String ids = request.getParameter("id");
int id = Integer.valueOf(ids);
//执行加载业务
Contactor c = cs.loadById(id);
//将Customer对象c保存在request域中
request.setAttribute("contactor", c);
//通过请求转发将customer对象显示在list.jsp页面上
request.getRequestDispatcher("/jsp/edit.jsp").forward(request, response);
}
/**
* 处理更改某一联系人的请求
* @param request
* @param response
* @throws ServletException
* @throws IOException
*/
public void edit(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
HttpSession session = request.getSession();
userId = (Integer) session.getAttribute("userId");
//使用CommonUtils工具类将请求数据封装到bean中
Contactor c = CommonsUtils.toBean(request.getParameterMap(), Contactor.class);
//执行更改业务
cs.edit(c,userId);
//给客户端发送更改成功提示
response.getWriter().print("更改成功,三秒后跳转到功能界面......");
response.setHeader("Refresh","3;url=http://127.0.0.1:8099/addresslist/jsp/list.jsp");
}
/**
* 处理删除某一联系人的请求
* @param request
* @param response
* @throws ServletException
* @throws IOException
*/
public void delete(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
//从请求中获取cid
String cid = request.getParameter("id");
int id = Integer.valueOf(cid);
//执行删除客户业务
cs.delete(id);
//给客户端发送删除成功提示
response.getWriter().print("删除成功,三秒后跳转到功能界面......");
response.setHeader("Refresh","3;url=http://127.0.0.1:8099/addresslist/jsp/list.jsp");
}
}
package cn.edu.aynu.rjxy.utils;
import java.util.Map;
import java.util.UUID;
import org.apache.commons.beanutils.BeanUtils;
import org.apache.commons.beanutils.ConvertUtils;
/**
* 提供UUID，实现表单数据封装到bean中
* @author Administrator
*
*/
public class CommonsUtils {
/**
* 返回一个UUID
* @return
*/
public static String uuid(){
return UUID.randomUUID().toString().replace("-", "").toUpperCase();
}
/**
* 把表单数据封装到bean中
*/
public static <T> T toBean(Map data, Class<T> clazz){
try{
T bean = clazz.newInstance();
BeanUtils.populate(bean, data);
return bean;
}catch (Exception e) {
throw new RuntimeException(e);
}
}
}
package cn.edu.aynu.rjxy.utils;
import java.sql.Connection;
import java.sql.SQLException;
import javax.sql.DataSource;
import com.mchange.v2.c3p0.ComboPooledDataSource;
/**
* 创建数据库连接池
* @author Administrator
*
*/
public class JDBCUtils {
//读取的是C3P0-config默认配置创建数据库连接池对象
private static DataSource ds = new ComboPooledDataSource();
//获取数据库连接池对象
public static DataSource getDataSource(){
return ds;
}
//从池中获取连接
public static Connection getConnection() throws SQLException{
return ds.getConnection();
}
}
<?xml version="1.0" encoding="UTF-8"?> <c3p0-config> <!-- 默认配置，当使用ComboPooledDataSource无参构造器时，使用的就是这个配置 --> <default-config> <!-- 基本配置 --> <property name="jdbcUrl">jdbc:mysql://localhost:3306/linkman?characterEncoding=UTF-8</property> <property name="driverClass">com.mysql.jdbc.Driver</property> <property name="user">root</property> <property name="password">123456</property> <!-- 每次增量，当需要创建Connection对象时，一次创建几个 --> <property name="acquireIncrement">3</property> <!-- 当创建池对象后，池中应该有几个Connection对象 --> <property name="initialPoolSize">10</property> <!-- 池中最少Connection个数，如果少于这个值，就会创建Connection --> <property name="minPoolSize">2</property> <!-- 池中最大连接个数 --> <property name="maxPoolSize">10</property> </default-config> </c3p0-config>
该工程需要的jar包：
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。