现在开始上截图：
下面粘贴代码：
首先是目录结构：
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<%@ 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=${userid } '/>" method="post" onsubmit="return checkform()">
<input type="hidden" name="method" value="4">
<table border="1" width="50%" align="center">
<tr>
<td>姓名</td>
<td>
<input type="text" name="name" id="name" onfocus="namefocus()" onblur="nameblur()"/>
<div id="nameid"></div>
</td>
</tr>
<tr>
<td>电话</td>
<td>
<input type="text" name="tel" id="tel" onfocus="telfocus()" onblur="telblur()"/>
<div id="telid"></div>
</td>
</tr>
<tr>
<td>地址</td>
<td>
<input type="text" name="address" id="address" />
</td>
</tr>
<tr>
<td>邮编</td>
<td>
<input type="text" name="zipcode" />
</td>
</tr>
</table>
<input style="margin-right:200px;" type="submit" value="添加"/>
</form>
</body>
</html>
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<%@ page language="java" import="java.util.*" pageencoding="utf-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<!doctype html public "-//w3c//dtd html 4.01 transitional//en">
<html>
<head>
<title>edit.jsp</title>
<script type="text/javascript" src="<c:url value='/jquery/contactor.js'/>"></script>
<style type="text/css">
body{
text-align: center;
font-size:38px;
}
*{
font-family:华文楷体;
font-size:18px;
color:#f0f";
}
h1{
text-align: center;
font-size:38px;
}
</style>
</head>
<body >
<h1 style="font-size:38px;">修改联系人信息</h1>
<form action="<c:url value='/contactorservlet'/>" method="post" onsubmit="return checkform()">
<input type="hidden" name="method" value="6">
<input type="hidden" name="id" value="${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>
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<%@ 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>
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<%@ 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>
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<%@ 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>
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<%@ 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>
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index.jsp
<%@ page language="java" import="java.util.*" pageencoding="utf-8"%>
<jsp:forward page="/jsp/home.jsp" />
contactor.js
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//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;
}
}
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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;
}
}
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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;
}
}
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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;
}
}
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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());
}
}
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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);
}
}
}
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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);
}
}
}
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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");
}
}
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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);
}
}
}
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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();
}
}
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<?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>
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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服务器之家。