Java基础编程2—邮件验证

开发环境：eclipse MARS.2

所需jar包：activation.jar，mail.jar，org.springframework.beans.jar，org.springframework.context-3.0.0.RELEASE.jar，spring.jar

项目名称：TestMail2

简介：jsp编程实现用户注册时邮箱验证注册

包：com.javamail.servlet

类：ConcurrentHashMapTest.java

package com.javamail.servlet;import java.util.concurrent.ConcurrentHashMap;import com.javamail.util.UserModel;public class ConcurrentHashMapTest {private static ConcurrentHashMap<String, UserModel> userMap = new ConcurrentHashMap<>();public static UserModel getUserCache(String mail) {return userMap.containsKey(mail) ? userMap.get(mail) : null;}public static void initUserCache(String mail, UserModel user) {userMap.put(mail, user);}private static String getUserCacheKey(String mail) {return Thread.currentThread().getId() + "-" + mail;}public static void removeUserCache(String mail) {userMap.remove(getUserCacheKey(mail));}}

包：com.javamail.servlet

类：RegisterServlet.java

package com.javamail.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;/** *  * @author xingyang * */@WebServlet(urlPatterns = "/registerServlet")public class RegisterServlet extends HttpServlet {private static final long serialVersionUID = 1L;protected void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {RegisterValidateService service = new RegisterValidateService();String gojsp = "";String action = request.getParameter("action");System.out.println("-----action----" + action);if ("register".equals(action)) {// 注册String email = request.getParameter("email");service.processregister(email);// 发邮箱激活gojsp = "register_success.jsp";} else if ("activate".equals(action)) {// 激活String email = request.getParameter("email");// 获取emailString validateCode = request.getParameter("validateCode");// 激活码try {service.processActivate(email, validateCode);// 调用激活方法gojsp = "activate_success.jsp";} catch (Exception e) {request.setAttribute("message", e.getMessage());gojsp = "activate_failure.jsp";}}request.getRequestDispatcher(gojsp).forward(request, response);}protected void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {doGet(request, response);}}

包：com.javamail.servlet

类：RegisterValidateService.java

package com.javamail.servlet;import java.text.ParseException;import java.util.Date;import com.javamail.util.MD5Util;import com.javamail.util.SendEmail;import com.javamail.util.ServiceException;import com.javamail.util.UserModel;public class RegisterValidateService {/** * 处理注册 */public void processregister(String email) {Long uid = 5480l;String uname = "xiaoming";String upwd = "324545";/* * Long id, String name, String password, String email, int status, Date * registerTime */UserModel user = new UserModel(uid, uname, upwd, email, 0, new Date());// 如果处于安全，可以将激活码处理的更复杂点，这里稍做简单处理// user.setValidateCode(MD5Tool.MD5Encrypt(email));user.setValidateCode(MD5Util.encode2hex(email));ConcurrentHashMapTest.initUserCache(email, user);// 保存注册信息// 邮件的内容StringBuffer sb = new StringBuffer("点击下面链接激活账号，48小时生效，否则重新注册账号，链接只能使用一次，请尽快激活！</br>");sb.append("<a href=\"http://localhost:8080/TestMail2/registerServlet?action=activate&email=");sb.append(email);sb.append("&validateCode=");sb.append(user.getValidateCode());sb.append("\">http://localhost:8080/TestMail2/registerServlet?action=activate&email=");sb.append(email);sb.append("&validateCode=");sb.append(user.getValidateCode());sb.append("</a>");SendEmail.send(email, sb.toString());System.out.println("发送邮件");}/** * 处理激活 *  * @throws ParseException *//// 传递激活码和email过来public void processActivate(String email, String validateCode) throws ServiceException, ParseException {// 数据访问层，通过email获取用户信息System.out.println("*********validateCode***********");UserModel user = ConcurrentHashMapTest.getUserCache(email);// 验证用户是否存在if (user != null) {// 验证用户激活状态if (user.getStatus() == 0) {/// 没激活Date currentTime = new Date();// 获取当前时间// 验证链接是否过期currentTime.before(user.getRegisterTime());if (currentTime.before(user.getLastActivateTime())) {// 验证激活码是否正确if (validateCode.equals(user.getValidateCode())) {// 激活成功， //并更新用户的激活状态，为已激活System.out.println("==sq===" + user.getStatus());user.setStatus(1);// 把状态改为激活System.out.println("==sh===" + user.getStatus());// userDao.update(user);} else {throw new ServiceException("激活码不正确");}} else {throw new ServiceException("激活码已过期！");}} else {throw new ServiceException("邮箱已激活，请登录！");}} else {throw new ServiceException("该邮箱未注册（邮箱地址不存在）！");}}}

包：com.javamail.util

类：Contants.java

// 添加自己的发件人邮箱和密码

package com.javamail.util;/** * 常量 */public class Contants {public static final String HOST = "smtp.163.com";public static final String PROTOCOL = "smtp";public static final int PORT = 25;public static final String FROM = ""; // 发件人的emailpublic static final String PWD = ""; // 发件人密码}

包：com.javamail.util

类：FromEmail.java

package com.javamail.util;import javax.mail.Authenticator;import javax.mail.PasswordAuthentication;/** * 认证器 * */public class FromEmail extends Authenticator {private String fromEmail;private String password;public FromEmail(String fromEmail, String password) {this.fromEmail = fromEmail;this.password = password;}@Overrideprotected PasswordAuthentication getPasswordAuthentication() {return new PasswordAuthentication(fromEmail, password);}}

包：com.javamail.util

类：MD5Util.java

package com.javamail.util;import java.io.UnsupportedEncodingException;import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;public class MD5Util {/** * 将源字符串使用MD5加密为字节数组 *  * @param source * @return */public static byte[] encode2bytes(String source) {byte[] result = null;try {MessageDigest md = MessageDigest.getInstance("MD5");md.reset();md.update(source.getBytes("UTF-8"));result = md.digest();} catch (NoSuchAlgorithmException e) {e.printStackTrace();} catch (UnsupportedEncodingException e) {e.printStackTrace();}return result;}/** * 将源字符串使用MD5加密为32位16进制数 *  * @param source * @return */public static String encode2hex(String source) {byte[] data = encode2bytes(source);StringBuffer hexString = new StringBuffer();for (int i = 0; i < data.length; i++) {String hex = Integer.toHexString(0xff & data[i]);if (hex.length() == 1) {hexString.append('0');}hexString.append(hex);}return hexString.toString();}/** * 验证字符串是否匹配 *  * @param unknown *            待验证的字符串 * @param okHex *            使用MD5加密过的16进制字符串 * @return 匹配返回true，不匹配返回false */public static boolean validate(String unknown, String okHex) {return okHex.equals(encode2hex(unknown));}}

包：com.javamail.util

类：SendEmail.java

package com.javamail.util;import java.util.Date;import java.util.Properties;import javax.mail.Authenticator;import javax.mail.MessagingException;import javax.mail.Session;import javax.mail.Transport;import javax.mail.Message.RecipientType;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeMessage;import javax.mail.Address;import com.javamail.util.Contants;import com.javamail.util.FromEmail;public class SendEmail {public static void send(String toEmail, String content) {Session session = SendEmail.getSession(); // 用本类方法中获取sessiontry {Address from = new InternetAddress(Contants.FROM);InternetAddress[] to = { new InternetAddress(toEmail) };MimeMessage msg = new MimeMessage(session);msg.setFrom(from);msg.setSubject("账号激活邮件");msg.setSentDate(new Date());msg.setContent(content, "text/html;charset=utf-8");msg.setRecipients(RecipientType.TO, to);Transport.send(msg);} catch (MessagingException e) {e.printStackTrace();}}/** * 获取Session *  * @return */private static Session getSession() {Properties props = new Properties();props.put("mail.smtp.host", Contants.HOST);// 设置服务器地址props.put("mail.store.protocol", Contants.PROTOCOL);// 设置协议props.put("mail.smtp.port", Contants.PORT);// 设置端口props.setProperty("mail.smtp.auth", "true");props.setProperty("mail.user", "用户注册邮箱验证");Authenticator authenticator = new FromEmail(Contants.FROM, Contants.PWD);Session session = Session.getDefaultInstance(props, authenticator);session.setDebug(true);return session;}}

包：com.javamail.util

类：ServiceException.java

package com.javamail.util;public class ServiceException extends Exception {private static final long serialVersionUID = -1708015121235851228L;public ServiceException(String message) {super(message);}}

包：com.javamail.util

类：UserModel.java

package com.javamail.util;import java.beans.Transient;import java.util.Calendar;import java.util.Date;public class UserModel {private Long id;private String name;private String password;private String email;// 注册账号private int status = 0;// 激活状态private String validateCode;// 激活码private Date registerTime;// 注册时间public UserModel() {super();}public UserModel(Long id, String name, String password, String email, int status, Date registerTime) {super();this.id = id;this.name = name;this.password = password;this.email = email;this.status = status;this.registerTime = registerTime;}public UserModel(Long id, String name, String password, String email, int status, String validateCode,Date registerTime) {super();this.id = id;this.name = name;this.password = password;this.email = email;this.status = status;this.validateCode = validateCode;this.registerTime = registerTime;}public Long getId() {return id;}public void setId(Long id) {this.id = id;}public String getName() {return name;}public void setName(String name) {this.name = name;}public String getPassword() {return password;}public void setPassword(String password) {this.password = password;}public String getEmail() {return email;}public void setEmail(String email) {this.email = email;}public int getStatus() {return status;}public void setStatus(int status) {this.status = status;}public String getValidateCode() {return validateCode;}public void setValidateCode(String validateCode) {this.validateCode = validateCode;}public Date getRegisterTime() {return registerTime;}public void setRegisterTime(Date registerTime) {this.registerTime = registerTime;}@Overridepublic String toString() {return "UserModel [id=" + id + ", name=" + name + ", password=" + password + ", email=" + email + ", status="+ status + ", validateCode=" + validateCode + ", registerTime=" + registerTime + "]";}@Transientpublic Date getLastActivateTime() {Calendar cl = Calendar.getInstance();cl.setTime(registerTime);cl.add(Calendar.DATE, 2);return cl.getTime();}}

activate_failure.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.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>activate_failure</title></head><body><h2>激活失败！</h2></body></html>

activate_success.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.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>activate_success</title></head><body><h1>success!!</h1></body></html>

register_success.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.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>register_success</title></head><body><h1>恭喜你注册成功！请到注册的邮箱点击链接激活！</h1></body></html>

registerEmailValidae.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.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>registerEmailValidae</title></head><body><h2>注册激活</h2><form action="registerServlet?action=register" method="post">Email:<input type="text" id="email" name="email" value=""> <input type="submit" value="提交"></form></body></html>