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项目业务流程介绍:1.用户填写用户名,邮箱,注册密码,提交注册信息(此时还不能登录系统)。2.系统通过一个已配置好的QQ邮箱账号向刚刚注册的QQ邮箱发送激活邮件,邮件内容包含激活链接。3.注册用户登录QQ邮箱点击激活链接进行激活账号操作。4.系统自动跳转到登录界面,用户进行登陆操作
一,前期准备
1.两个QQ邮箱,并且用于发送激活邮件的qq邮箱需要进行如下配置,进入QQ邮箱首页(网页版)点击设置下面的账户
下拉找到 POP3/IMAP/SMTP/Exchange/CardDAV/CalDAV服务 打开 POP3/SMTP服务,并记住授权码,后面发送邮件时会用到授权码
2.软件:jdk,eclipsse,oracle
3.驱动包:oracle驱动包,mail jar包
4.数据库脚本:
create table personinfo(
id int primary key,
name varchar2(50),
email varchar2(50),
password varchar2(50),
state int ,
actcode varchar2(100)
)
--创建递增序列
create sequence seq_personInfo_id start with 1;
5.说明;我这里采用JNDI方式在tomcat里配置数据源,如果不知道的可以见我的博客https://mp.csdn/postedit/86493281
介绍了如何配置数据源的方法
二,项目搭建
1.新建名为 java mail的java项目,项目包结构如下
2.web.xml配置如下
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3/2001/XMLSchema-instance" xmlns="http://java.sun/xml/ns/javaee" xsi:schemaLocation="http://java.sun/xml/ns/javaee http://java.sun/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
<display-name>javamail</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
<servlet>
<servlet-name>registServlet</servlet-name>
<servlet-class>com.mail.servlet.RegistServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>registServlet</servlet-name>
<url-pattern>/regist</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>activeServlet</servlet-name>
<servlet-class>com.mail.servlet.ActiveServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>activeServlet</servlet-name>
<url-pattern>/active</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>loginServlet</servlet-name>
<servlet-class>com.mail.servlet.LoginServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>loginServlet</servlet-name>
<url-pattern>/login</url-pattern>
</servlet-mapping>
</web-app>
实体类 PersonInfo代码如下
package com.mail.pojo;
import java.io.Serializable;
public class PersonInfo implements Serializable {
private static final long serialVersionUID = -3801437971749236561L;
private Integer id; // 主键
private String name; // 用户名
private String mail; // 邮箱地址
private String password; // 登录密码
private Integer state; // 状态码 0:未激活 1:激活
private String actcode; // 激活码
public PersonInfo() {
super();
// TODO Auto-generated constructor stub
}
public PersonInfo(Integer id, String name, String mail, String password, Integer state, String actcode) {
super();
this.id = id;
this.name = name;
this.mail = mail;
this.password = password;
this.state = state;
this.actcode = actcode;
}
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getMail() {
return mail;
}
public void setMail(String mail) {
this.mail = mail;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public Integer getState() {
return state;
}
public void setState(Integer state) {
this.state = state;
}
public String getActcode() {
return actcode;
}
public void setActcode(String actcode) {
this.actcode = actcode;
}
@Override
public String toString() {
return "PersonInfo [id=" + id + ", name=" + name + ", mail=" + mail + ", password=" + password + ", state="
+ state + ", actcode=" + actcode + "]";
}
}
3.进入注册界面 regist.jsp,填写表单 提交到 RegistServlet regist.jsp代码如下
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>注册</title>
</head>
<body>
<h2>注册页面</h2>
<hr/>
<form method="POST" action="regist">
<table>
<tr>
<td><label for="name">用户名:</label></td>
<td><input type="text" name="name" id="name" /></td>
</tr>
<tr>
<td><label for="password">密码:</label></td>
<td><input type="password" name="password" id="password" /></td>
</tr>
<tr>
<td><label for="mail">邮箱:</label></td>
<td><input type="email" name="mail" id="mail"/></td>
<tr>
<td colspan="2"><input type="submit" value="注册" /></td>
</tr>
</table>
</form>
</body>
</html>
4.RegistServlet获取表单注册信息,发送给业务层注册处理类PersonInfoBusiness 进行处理 RegistServlet类代码如下
package com.mail.servlet;
import java.io.IOException;
import java.util.UUID;
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 com.mail.business.PersonInfoBusiness;
import com.mail.pojo.PersonInfo;
public class RegistServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
this.doPost(request, response);
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.setCharacterEncoding("utf-8");
String name = request.getParameter("name");
String mail = request.getParameter("mail");
String password = request.getParameter("password");
PersonInfo personInfo = new PersonInfo();
personInfo.setName(name);
personInfo.setMail(mail);
personInfo.setPassword(password);
personInfo.setState(0);
personInfo.setActcode(UUID.randomUUID().toString());// 生成唯一激活码
// 把激活码存进session
HttpSession session = request.getSession();
session.setAttribute("actcode", personInfo.getActcode());
PersonInfoBusiness personInfoBusiness = new PersonInfoBusiness();
if (personInfoBusiness.regist(personInfo) == 1) {
request.setAttribute("msg", "注册成功,请登录邮箱激活账号");
} else {
request.setAttribute("msg", "注册失败,请检查相关信息");
}
request.getRequestDispatcher("/result.jsp").forward(request, response);
}
}
5.业务层PersonInfoBusiness 类调用数据层PersonInfoDao类将注册信息存储进数据库,账号状态设置为 0 (未激活状态),同时调用MailUtil类发送激活邮件
PersonInfoBusiness 类代码如下
package com.mail.business;
import com.mail.dao.PersonInfoDao;
import com.mail.pojo.PersonInfo;
import com.mail.util.MailUtil;
public class PersonInfoBusiness {
public int regist(PersonInfo personInfo) {
PersonInfoDao personInfoDao = new PersonInfoDao();
int result = personInfoDao.regist(personInfo);
if(result == 1){ //注册成功,发送一封激活邮件
MailUtil.sendMail(personInfo.getMail(), personInfo.getActcode());
}
return result;
}
public int active(String actcode) {
PersonInfoDao personInfoDao = new PersonInfoDao();
int result = personInfoDao.active(actcode);
return result;
}
public int login(PersonInfo personInfo) {
PersonInfoDao personInfoDao = new PersonInfoDao();
int result = personInfoDao.login(personInfo);
if(result == 1){ //注册成功,发送一封激活邮件
MailUtil.sendMail(personInfo.getMail(), personInfo.getActcode());
}
return result;
}
}
PersonInfoDao 类代码如下
package com.mail.dao;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import com.mail.pojo.PersonInfo;
import com.mail.util.DBUtil;
public class PersonInfoDao {
/**
* 添加注册信息
*
* @param personInfo
* @return
*/
public int regist(PersonInfo personInfo) {
int result = 0;
Connection conn = null;
PreparedStatement pstmt = null;
try {
conn = DBUtil.getConnection();
String sql = "insert into PersonInfo values(seq_personInfo_id.nextval,?,?,?,?,?)";
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, personInfo.getName());
pstmt.setString(2, personInfo.getMail());
pstmt.setString(3, personInfo.getPassword());
pstmt.setInt(4, personInfo.getState());
pstmt.setString(5, personInfo.getActcode());
result = pstmt.executeUpdate();
} catch (SQLException e) {
e.printStackTrace();
} finally {
DBUtil.close(null, pstmt, conn);
}
return result;
}
/**
* 激活账号
*
* @param actcode
* @return
*/
public int active(String actcode) {
int result = 0;
Connection conn = null;
PreparedStatement pstmt = null;
try {
conn = DBUtil.getConnection();
String sql = "update PersonInfo set state=1 where actcode=?";
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, actcode);
result = pstmt.executeUpdate();
DBUtil.close(null, pstmt, conn);
} catch (SQLException e) {
e.printStackTrace();
} finally {
DBUtil.close(null, pstmt, conn);
}
return result;
}
/**
* 登录
*
* @param personInfo
* @return
*/
public int login(PersonInfo personInfo) {
int result = 0;
Connection conn = null;
PreparedStatement pstmt = null;
try {
conn = DBUtil.getConnection();
String sql = "select * from PersonInfo where state = 1 and mail = ? and password = ?";
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, personInfo.getMail());
pstmt.setString(2, personInfo.getPassword());
result = pstmt.executeUpdate();
} catch (SQLException e) {
e.printStackTrace();
} finally {
DBUtil.close(null, pstmt, conn);
}
return result;
}
}
关联的DBUtil类代码如下
package com.mail.util;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.sql.DataSource;
public class DBUtil {
/**
* 这里采用 JNDI(java命名和目录接口)方式加载JDBC DataSource
* 需要在Tomcat服务器context.xml中配置文件配置数据源
*
* @return
*/
public static Connection getConnection() {
Connection con = null;
try {
Context context = new InitialContext();
DataSource dataSource = (DataSource) context.lookup("java:comp/env/jdbc/oracle");// 引用数据源
con = dataSource.getConnection();
} catch (Exception e) {
e.printStackTrace();
}
return con;
}
/**
* 关闭资源
*
* @param rs
* 要关闭的结果集
* @param pstmt
* 要关闭的预编译块
* @param con
* 要关闭的连接
*/
public static void close(ResultSet rs, PreparedStatement pstmt, Connection con) {
if (rs != null) {
try {
rs.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
if (pstmt != null) {
try {
pstmt.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
if (con != null) {
try {
con.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}
MailUtil代码如下,(注意:这里需要填写你提前准备的发件人邮箱和授权码)
package com.mail.util;
import java.util.Properties;
import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import com.sun.mail.util.MailSSLSocketFactory;
public class MailUtil {
/**
* 发送邮件的方法: 发送一封激活邮件
* @param mail 收件人邮箱
* @param actcode 收件人激活码
*/
public static void sendMail(String mail,String actcode) {
// 1.创建连接对象javax.mail.Session
// 2.创建邮件对象 javax.mail.Message
String from = "21567565@qq";// 发件人电子邮箱
String host = "smtp.qq"; // 指定发送邮件的主机smtp.qq(QQ)|smtp.163(网易)
final String authorizationCode = "spxxanqcdoiqbhjh"; //授权码
Properties properties = System.getProperties();// 获取系统属性
properties.setProperty("mail.smtp.host", host);// 设置邮件服务器
properties.setProperty("mail.smtp.auth", "true");// 打开认证
try {
//QQ邮箱需要下面这段代码,163邮箱不需要
MailSSLSocketFactory sf = new MailSSLSocketFactory();
sf.setTrustAllHosts(true);
properties.put("mail.smtp.ssl.enable", "true");
properties.put("mail.smtp.ssl.socketFactory", sf);
// 1.获取默认session对象
Session session = Session.getDefaultInstance(properties, new Authenticator() {
public PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication("21567565@qq",authorizationCode); // 发件人邮箱账号、授权码
}
});
// 2.创建邮件对象
Message message = new MimeMessage(session);
// 2.1设置发件人
message.setFrom(new InternetAddress(from));
// 2.2设置接收人
message.addRecipient(Message.RecipientType.TO, new InternetAddress(mail));
// 2.3设置邮件主题
message.setSubject("账号激活");
// 2.4设置邮件内容
String content = "<html><head></head><body><h1>请点击以下链接激活注册账号</h1><h3><a href='http://localhost:8080/RegisterDemo/ActiveServlet?code="
+ actcode + "'>http://localhost:8080/javamail/active?actcode=" + actcode
+ "</href></h3></body></html>";
message.setContent(content, "text/html;charset=UTF-8");
// 3.发送邮件
Transport.send(message);
System.out.println("激活邮件成功发送!");
} catch (Exception e) {
e.printStackTrace();
}
}
}
6.注册用户登录邮箱点击激活链接,链接携带的激活码会提交到ActiveServlet类进行激活,ActiveServlet类代码如下
package com.mail.servlet;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import com.mail.business.PersonInfoBusiness;
/**
* Servlet implementation class ActiveServlet
*/
@WebServlet("/ActiveServlet")
public class ActiveServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doPost(request, response);
}
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.setCharacterEncoding("utf-8");
String actcode = request.getParameter("actcode"); // 获取注册激活码
HttpSession session = request.getSession(); // 获取存入session的激活码
String sessionActcode = session.getAttribute("actcode").toString();
if (actcode.equals(sessionActcode)) { // 激活码匹配
PersonInfoBusiness personInfoBusiness = new PersonInfoBusiness();
int result = personInfoBusiness.active(actcode);//激活账号
if(result == 1){
request.getRequestDispatcher("/login.jsp").forward(request, response);
}else{
request.setAttribute("msg", "激活失败!");
request.getRequestDispatcher("/result.jsp").forward(request, response);
}
} else {
request.setAttribute("msg", "激活码不匹配,激活失败!");
request.getRequestDispatcher("/result.jsp").forward(request, response);
}
}
}
7.ActiveServlet类会传递激活码给业务层 PersonInfoBusiness进行激活操作,PersonInfoBusiness调用PersonInfoDao 改变账号状态激活账号,然后ActiveServlet会自动跳转到登录界面login.jsp 。login.jsp代码如下
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>登录</title>
</head>
<body>
<h2>登录页面</h2>
<hr/>
<form method="POST" action="login">
<table>
<tr>
<td><label for="mail">邮箱:</label></td>
<td><input type="email" name="mail" id="mail"/></td>
</tr>
<tr>
<td><label for="password">密码:</label></td>
<td><input type="password" name="password" id="password" /></td>
</tr>
<tr>
<td colspan="2"><input type="submit" value="登录" /></td>
</tr>
</table>
</form>
</body>
</html>
8.登录界面提交登录信息 到LoginServlet登录验证 LoginServlet类代码如下
package com.mail.servlet;
import java.io.IOException;
import java.util.UUID;
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 com.mail.business.PersonInfoBusiness;
import com.mail.pojo.PersonInfo;
public class LoginServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
this.doPost(request, response);
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.setCharacterEncoding("utf-8");
String mail = request.getParameter("mail");
String password = request.getParameter("password");
PersonInfo personInfo = new PersonInfo();
personInfo.setMail(mail);
personInfo.setPassword(password);
personInfo.setState(0);
personInfo.setActcode(UUID.randomUUID().toString());// 生成唯一激活码
// 把激活码存进session
HttpSession session = request.getSession();
session.setAttribute("actcode", personInfo.getActcode());
PersonInfoBusiness personInfoBusiness = new PersonInfoBusiness();
if (personInfoBusiness.login(personInfo) == 1) {
request.setAttribute("msg", "登录成功!");
} else {
request.setAttribute("msg", "登陆失败!");
}
request.getRequestDispatcher("/result.jsp").forward(request, response);
}
}
9.显示提示信息的页面 result.jsp
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>结果页</title>
</head>
<body>
${msg}
</body>
</html>
三,运行结果
注册界面:
提交信息后,提示信息如下:
看一下数据库中数据信息:
登陆到976342421@qq 的邮箱查看激活邮件
复制激活链接,在新标签页打开,可以看到已跳转到登录页面
此时再查看数据库中数据状态 账号已激活
点击登录:
OK,项目完成!
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