思路：
1.注册帐户时把用户存入数据库并且设置用户状态不可用，同时给注册的邮箱发邮件。
2.邮箱的内容应该是链接到项目的激活方法，并且传入参数（注册的邮箱和验证码）。（http://localhost:8080/email/user/register?action=activate&email=1434244213@qq.com&validateCode=b4dc9b79b75d9aa7d6c332e780a375c2）
3.点击链接会对邮箱、验证码、激活时间进行验证，如果激活成功，更改用户状态为可用。
service层代码
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 { @Autowired private UserDao userDao; @Autowired private HttpServletRequest request; /** * 处理注册 */ 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); ///如果处于安全，可以将激活码处理的更复杂点，这里我稍做简单处理 //user.setValidateCode(MD5Tool.MD5Encrypt(email)); user.setValidateCode(MD5Util.encode2hex(email)); userDao.save(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>"); String url = request.getScheme() //当前链接使用的协议 +"://" + request.getServerName()//服务器地址 + ":" + request.getServerPort() //端口号 + request.getContextPath(); //应用名称，如果应用名称为 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>"); //发送邮件 //new SendMail().sendMail(email, sb.toString()); new 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 UserModel user=userDao.find(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 { System.out.println("激活码不正确"); } } else { System.out.println("激活码已过期！"); } } else { System.out.println("邮箱已激活，请登录！"); } } else { System.out.println("该邮箱未注册（邮箱地址不存在）！"); } } }
MD5Util.java
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)); } }
SendEmail.java 发送邮件的方法，调用此方法传入邮箱和发送内容即可（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 = "";//发件人的email public static final String PWD = "";//发件人密码 /** * 获取Session * @return */ private static Session getSession() { Properties props = new Properties(); props.put("mail.smtp.host", HOST);//设置服务器地址 //props.put("mail.store.protocol" , PROTOCOL);//设置协议 //props.put("mail.smtp.port", PORT);//设置端口 props.put("mail.smtp.auth" , "true"); Authenticator authenticator = new Authenticator() { @Override protected 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 message Message msg = new MimeMessage(session); //Set message attributes msg.setFrom(new InternetAddress(FROM)); InternetAddress[] address = {new InternetAddress(toEmail)}; msg.setRecipients(Message.RecipientType.TO, address); msg.setSubject("账号激活邮件"); msg.setSentDate(new Date()); msg.setContent(content , "text/html;charset=utf-8"); //Send the message Transport.send(msg); } catch (MessagingException mex) { mex.printStackTrace(); } } }
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