思路：

1.注冊帳戶時把用戶存入數據庫并且設置用戶狀態不可用，同時給注冊的郵箱發郵件。

2.郵箱的內容應該是鏈接到項目的激活方法，并且傳入參數（注冊的郵箱和驗證碼）。（http://localhost:8080/email/user/register?action=activate&email=1434244213@qq.com&validateCode=b4dc9b79b75d9aa7d6c332e780a375c2）

3.點擊鏈接會對郵箱、驗證碼、激活時間進行驗證，如果激活成功，更改用戶狀態為可用。

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service層代碼

import java.text.ParseException; import java.util.Date;import javax.servlet.http.HttpServletRequest;import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import com.app.dao.UserDao; import com.app.tools.MD5Util; import com.app.tools.SendEmail; import com.app.tools.SendMail; import com.app.tools.ServiceException; import com.code.model.UserModel;/*** * @author BuNuo*/ @Service public class RegisterValidateService {@Autowiredprivate UserDao userDao;@Autowiredprivate HttpServletRequest request;/*** 處理注冊*/public void processregister(String email){UserModel user=new UserModel();Long as=5480l;user.setId(as);user.setName("BuNuo");user.setPassword("111111");user.setEmail(email);user.setRegisterTime(new Date());user.setStatus(0);///如果處于安全，可以將激活碼處理的更復雜點，這里我稍做簡單處理//user.setValidateCode(MD5Tool.MD5Encrypt(email)); user.setValidateCode(MD5Util.encode2hex(email));userDao.save(user);//保存注冊信息///郵件的內容StringBuffer sb=new StringBuffer("點擊下面鏈接激活賬號，48小時生效，否則重新注冊賬號，鏈接只能使用一次，請盡快激活！</br>");String url = request.getScheme() //當前鏈接使用的協議+"://" + request.getServerName()//服務器地址 + ":" + request.getServerPort() //端口號 + request.getContextPath(); //應用名稱，如果應用名稱為sb.append("<a href="+url+"/user/register?action=activate&email=");sb.append(email); sb.append("&validateCode="); sb.append(user.getValidateCode());sb.append("\">http://localhost:8088/email/user/register?action=activate&email="); sb.append(email);sb.append("&validateCode=");sb.append(user.getValidateCode());sb.append("</a>");//發送郵件//new SendMail().sendMail(email, sb.toString());new SendEmail().send(email, sb.toString());System.out.println("發送郵件");}/*** 處理激活* @throws ParseException *////傳遞激活碼和email過來public void processActivate(String email , String validateCode)throws ServiceException, ParseException{ //數據訪問層，通過email獲取用戶信息UserModel user=userDao.find(email);//驗證用戶是否存在 if(user!=null){ //驗證用戶激活狀態 if(user.getStatus()==0){ ///沒激活Date currentTime = new Date();//獲取當前時間 //驗證鏈接是否過期 currentTime.before(user.getRegisterTime());if(currentTime.before(user.getLastActivateTime())) { //驗證激活碼是否正確 if(validateCode.equals(user.getValidateCode())) { //激活成功， //并更新用戶的激活狀態，為已激活 System.out.println("==sq==="+user.getStatus());user.setStatus(1);//把狀態改為激活System.out.println("==sh==="+user.getStatus());userDao.update(user);} else { System.out.println("激活碼不正確"); } } else { System.out.println("激活碼已過期！"); } } else {System.out.println("郵箱已激活，請登錄！"); } } else {System.out.println("該郵箱未注冊（郵箱地址不存在）！"); } } }

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MD5Util.java

import java.io.UnsupportedEncodingException; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; public class MD5Util {/*** 將源字符串使用MD5加密為字節數組* @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;}/*** 將源字符串使用MD5加密為32位16進制數* @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();}/*** 驗證字符串是否匹配* @param unknown 待驗證的字符串* @param okHex 使用MD5加密過的16進制字符串* @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));}}

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SendEmail.java ? ?發送郵件的方法，調用此方法傳入郵箱和發送內容即可（new SendEmail().send(email, content);）

package com.app.tools; import java.util.Date; import java.util.Properties; import javax.mail.Authenticator; import javax.mail.Message; import javax.mail.MessagingException; import javax.mail.PasswordAuthentication; import javax.mail.Session; import javax.mail.Transport; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeMessage;/*** * @author BuNuo*/ public class SendEmail {public static final String HOST = "smtp.163.com";public static final String PROTOCOL = "smtp"; public static final int PORT = 8080;public static final String FROM = "";//發件人的emailpublic static final String PWD = "";//發件人密碼/*** 獲取Session* @return*/private static Session getSession() {Properties props = new Properties();props.put("mail.smtp.host", HOST);//設置服務器地址//props.put("mail.store.protocol" , PROTOCOL);//設置協議//props.put("mail.smtp.port", PORT);//設置端口props.put("mail.smtp.auth" , "true");Authenticator authenticator = new Authenticator() {@Overrideprotected PasswordAuthentication getPasswordAuthentication() {return new PasswordAuthentication(FROM, PWD);}};Session session = Session.getDefaultInstance(props , authenticator);return session;}public void send(String toEmail , String content) {Session session = getSession();try {System.out.println("--send--"+content);// Instantiate a messageMessage msg = new MimeMessage(session);//Set message attributesmsg.setFrom(new InternetAddress(FROM));InternetAddress[] address = {new InternetAddress(toEmail)};msg.setRecipients(Message.RecipientType.TO, address);msg.setSubject("賬號激活郵件");msg.setSentDate(new Date());msg.setContent(content , "text/html;charset=utf-8");//Send the message Transport.send(msg);}catch (MessagingException mex) {mex.printStackTrace();}} }

?demo地址：http://download.csdn.net/detail/qq_33347991/9711788

轉載于:https://www.cnblogs.com/bunuo/p/6095050.html

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