JavaMail实现邮箱激活功能

一.软件安装及资源准备

1.下载并安装易邮邮箱服务器和Foxmail邮箱客户端

易邮邮箱服务器下载地址：https://download.csdn.net/download/qq_20788055/10496104

Foxmail邮箱客户端下载地址：https://download.csdn.net/download/qq_20788055/10496096

2.创建邮箱账号（直接点击“新账号”创建）

3.添加邮箱账号至FoxMail客户端

4.所需jar包下载地址：https://download.csdn.net/download/qq_20788055/10495554

二.创建数据库及开发项目

1.创建数据表（regist）

2.开发项目

（1）创建实体类UserVO

public class UserVO {private String uid;private String username;private String password;private String nickname;private String email;private String state;private String code;public String getUid() {return uid;}public void setUid(String uid) {this.uid = uid;}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;}public String getNickname() {return nickname;}public void setNickname(String nickname) {this.nickname = nickname;}public String getEmail() {return email;}public void setEmail(String email) {this.email = email;}public String getState() {return state;}public void setState(String state) {this.state = state;}public String getCode() {return code;}public void setCode(String code) {this.code = code;}}

（2）创建控制层--RegistServlet

package com.javamail.servlet;import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import com.javamail.service.UserService;
import com.javamail.service.impl.UserServiceImpl;
import com.javamail.utils.UUIDUtil;
import com.javamail.vo.UserVO;/*** Servlet implementation class UserServlet*/
public class RegistServlet extends HttpServlet {private static final long serialVersionUID = 1L;/*** @see HttpServlet#HttpServlet()*/public RegistServlet() {super();// TODO Auto-generated constructor stub}/*** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)*/protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// TODO Auto-generated method stub//response.getWriter().append("Served at: ").append(request.getContextPath());request.setCharacterEncoding("UTF-8");//获取数据String username=request.getParameter("yourname");String password=request.getParameter("yourpass");String nickname=request.getParameter("nickname");String email=request.getParameter("youremail");//封装数据UserVO user=new UserVO();user.setUid(UUIDUtil.getUUID());user.setUsername(username);user.setNickname(nickname);user.setPassword(password);user.setEmail(email);user.setState("0");//0-未激活  1-已激活user.setCode(UUIDUtil.getUUID()+UUIDUtil.getUUID());//保存数据UserService userService=new UserServiceImpl();userService.regist(user);//页面跳转request.setAttribute("msg", "您已注册成功，请去邮箱激活！");request.getRequestDispatcher("/msg.jsp").forward(request, response);}/*** @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)*/protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// TODO Auto-generated method stubdoGet(request, response);}}

（3）创建业务层--UserService

package com.javamail.service.impl;import com.javamail.dao.UserDAO;
import com.javamail.dao.impl.UserDAOImpl;
import com.javamail.service.UserService;
import com.javamail.utils.MailUtil;
import com.javamail.vo.UserVO;public class UserServiceImpl implements UserService{@Overridepublic void regist(UserVO user) {//将数据存入数据库UserDAO userDAO=new UserDAOImpl();userDAO.regist(user);//发送激活邮件MailUtil.sendMail(user.getEmail(), user.getCode());}@Overridepublic UserVO findUserByCode(String code) {UserDAO userDAO=new UserDAOImpl();return userDAO.findUserByCode(code);}@Overridepublic void updateUser(UserVO user) {UserDAO userDAO=new UserDAOImpl();userDAO.updateUser(user);}}

（4）编写持久层--UserDAO

其中用到LZ自己封装的JDBC工具类，源码地址：https://github.com/Jasper2s/Study_Imooc/tree/master/JavaMail/src/com/javamail/utils

package com.javamail.dao.impl;import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;import com.javamail.dao.UserDAO;
import com.javamail.utils.JDBCUtil;
import com.javamail.vo.UserVO;public class UserDAOImpl implements UserDAO{@Overridepublic void regist(UserVO user) {Connection conn=null;PreparedStatement st=null;ResultSet rs=null;JDBCUtil jdbcUtil=JDBCUtil.getInstance();try {conn=jdbcUtil.getConnection();String sql="insert into regist values(?,?,?,?,?,?,?)";st=conn.prepareStatement(sql);st.setString(1, user.getUid());st.setString(2, user.getUsername());st.setString(3, user.getPassword());st.setString(4, user.getNickname());st.setString(5, user.getEmail());st.setString(6, user.getState());st.setString(7, user.getCode());st.execute();} catch (Exception e) {e.printStackTrace();} finally{jdbcUtil.close(rs, st, conn);}}@SuppressWarnings("null")@Overridepublic UserVO findUserByCode(String code) {Connection conn=null;PreparedStatement st=null;ResultSet rs=null;UserVO user=new UserVO();JDBCUtil jdbcUtil=JDBCUtil.getInstance();try {conn=jdbcUtil.getConnection();String sql="select * from regist where code=?";st=conn.prepareStatement(sql);st.setString(1, code);rs=st.executeQuery();while(rs!=null&&rs.next()){String uid=rs.getString("uid");String username=rs.getString("username");String nickname=rs.getString("nickname");String email=rs.getString("email");String state=rs.getString("state");user.setUid(uid);user.setUsername(username);user.setNickname(nickname);user.setEmail(email);user.setState(state);}} catch (Exception e) {e.printStackTrace();}finally{jdbcUtil.close(rs, st, conn);}return user;}@Overridepublic void updateUser(UserVO user) {Connection conn=null;PreparedStatement st=null;ResultSet rs=null;JDBCUtil jdbcUtil=JDBCUtil.getInstance();try {conn=jdbcUtil.getConnection();String sql="update regist set username=?,password=?,nickname=?,email=?,state=?,code=? where uid=?";st=conn.prepareStatement(sql);st.setString(1, user.getUsername());st.setString(2, user.getPassword());st.setString(3, user.getNickname());st.setString(4, user.getEmail());st.setString(5, user.getState());st.setString(6, user.getCode());st.setString(7, user.getUid());st.execute();} catch (Exception e) {e.printStackTrace();} finally{jdbcUtil.close(rs, st, conn);}}}

（5）编写邮箱发送的工具类--MailUtil

发送激活邮件的一般步骤：创建连接对象连接到邮箱服务器-->创建邮件对象（设置发件人，收件人，主题，正文）-->发送邮件

package com.javamail.utils;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 javax.mail.internet.MimeMessage.RecipientType;/*** 邮件发送工具类* @author qiuzhiwen**/
public class MailUtil {public static void sendMail(String to,String code){Properties props=new Properties();//props.setProperty("host", "");//1.创建连接对象，连接到邮箱服务器Session session=Session.getInstance(props, new Authenticator() {@Overrideprotected PasswordAuthentication getPasswordAuthentication() {return new PasswordAuthentication("service@qzw.com", "123");}});//2.创建邮件对象Message message=new MimeMessage(session);try {//设置发件人message.setFrom(new InternetAddress("service@qzw.com"));//设置收件人message.setRecipient(RecipientType.TO, new InternetAddress(to));//设置邮件的主题message.setSubject("来自XXX网站的激活邮件");//设置邮件的正文message.setContent("<h1>来自XXX网站的激活邮件,激活请点击以下链接：</h1><br/><h3><a href='http://localhost:8080/JavaMail/ActiveServlet?code="+code+"'>http://localhost:8080/JavaMail/ActiveServlet?code="+code+"</a></h3>", "text/html;charset=UTF-8");//3.发送激活邮件Transport.send(message);} catch (Exception e) {e.printStackTrace();} }}

（6）注册页面

<%@ 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.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>用户注册页面</title>
<style type="text/css">body{font:14px/28px "微软雅黑";}.contact *:focus{outline :none;}.contact{width: 700px;height: auto;background: #f6f6f6;margin: 40px auto;padding: 10px;}.contact ul {width: 650px;margin: 0 auto;}.contact ul li{border-bottom: 1px solid #dfdfdf;list-style: none;padding: 12px;}.contact ul li label {width: 120px;display: inline-block;float: left;}.contact ul li input[type=text],.contact ul li input[type=password]{width: 220px;height: 25px;border :1px solid #aaa;padding: 3px 8px;border-radius: 5px;}.contact ul li input:focus{border-color: #c00;}.contact ul li input[type=text]{transition: padding .25s;-o-transition: padding  .25s;-moz-transition: padding  .25s;-webkit-transition: padding  .25s;}.contact ul li input[type=password]{transition: padding  .25s;-o-transition: padding  .25s;-moz-transition: padding  .25s;-webkit-transition: padding  .25s;}.contact ul li input:focus{padding-right: 70px;}.btn{position: relative;left: 300px;}.tips{color: rgba(0, 0, 0, 0.5);padding-left: 10px;}.tips_true,.tips_false{padding-left: 10px;}.tips_true{color: green;}.tips_false{color: red;}</style>
</head>
<body><script type="text/javascript">//验证用户名function checkna(){na=form1.yourname.value;if( na.length <1 || na.length>12)  {   divname.innerHTML='<font class="tips_false">长度是1~12个字符</font>';}else{  divname.innerHTML='<font class="tips_true">输入正确</font>';}  }//验证用户名function checknickname(){na=form1.nickname.value;if( na.length <1 || na.length>12)  {      divname.innerHTML='<font class="tips_false">长度是1~12个字符</font>';}else{  divname.innerHTML='<font class="tips_true">输入正确</font>';}  }//验证密码 function checkpsd1(){    psd1=form1.yourpass.value;  var flagZM=false ;var flagSZ=false ; var flagQT=false ;if(psd1.length<6 || psd1.length>12){   divpassword1.innerHTML='<font class="tips_false">长度错误</font>';}else{   for(i=0;i < psd1.length;i++)   {    if((psd1.charAt(i) >= 'A' && psd1.charAt(i)<='Z') || (psd1.charAt(i)>='a' && psd1.charAt(i)<='z')) {   flagZM=true;}else if(psd1.charAt(i)>='0' && psd1.charAt(i)<='9')    { flagSZ=true;}else    { flagQT=true;}   }   if(!flagZM||!flagSZ||flagQT){divpassword1.innerHTML='<font class="tips_false">密码必须是字母数字的组合</font>'; }else{divpassword1.innerHTML='<font class="tips_true">输入正确</font>';}  }    }//验证确认密码 function checkpsd2(){ if(form1.yourpass.value!=form1.yourpass2.value) { divpassword2.innerHTML='<font class="tips_false">您两次输入的密码不一样</font>';} else { divpassword2.innerHTML='<font class="tips_true">输入正确</font>';}}//验证邮箱function checkmail(){apos=form1.youremail.value.indexOf("@");dotpos=form1.youremail.value.lastIndexOf(".");if (apos<1||dotpos-apos<2) {divmail.innerHTML='<font class="tips_false">输入错误</font>' ;}else {divmail.innerHTML='<font class="tips_true">输入正确</font>' ;}}</script><div class="contact" ><form name="form1" method="post" action="${pageContext.request.contextPath }/RegistServlet"><ul><li><label>姓名：</label><input type="text" name="yourname" placeholder="请输入用户名"  οnblur="checkna()" required/><span class="tips" id="divname">长度1~12个字符</span></li><li><label>密码：</label><input type="password" name="yourpass" placeholder="请输入你的密码" onBlur="checkpsd1()" required/><span class="tips" id="divpassword1">密码必须由字母和数字组成</span></li><li><label>确认密码：</label><input type="password" name="yourpass2" placeholder="请再次输入你的密码" onBlur="checkpsd2()" required/><span class="tips" id="divpassword2">两次密码需要相同</span></li><li><label>昵称：</label><input type="text" name="nickname" placeholder="请输入昵称"  οnblur="checknickname()" required/><span class="tips" id="divname">长度1~12个字符</span></li><li><label>电子邮箱：</label><input type="text" name="youremail" placeholder="请输入你的邮箱" onBlur="checkmail()" required/><span class="tips" id="divmail"></span></li></ul><b class="btn"><input type="submit" value="提交"/><input type="reset" value="取消"/></b></form></div>
</body>
</body>
</html>

三.启动项目

浏览器访问http://localhost:8080/JavaMail/regist.jsp

输入信息进行提交

查看邮箱，点击“收取”可以看到一封新邮件：

查看数据库（state为0，表示未激活）

然后点击激活链接地址

再查看数据库（state为1，表示已激活）

附：

源码地址https://github.com/Jasper2s/Study_Imooc/tree/master/JavaMail

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