数据库需要增加两个字段,1.是否激活. 2.激活码。 1.在注册完成的同时,生成一个随机数(例如UUID),保存该随机数到激活码字段,同时设置为未激活。 2.把激活地址URL发送邮件给用户填写的邮箱,URL构成为,处理地址+参数=激活码。 3.用户点击该URL,处理该激活码是否和数据库中的相同,相同则设置该用户激活,同时删除激活码字段。 否则返回错误页面 至于发邮件可以用jemail等第三方J包。 RegisterValidateService.java代码如下: package com.app.service.impl; import java.text.ParseException; import java.util.Date; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import com.app.dao.UserDao; import com.app.tools.MD5Tool; import com.app.tools.MD5Util; import com.app.tools.SendEmail; import com.app.tools.ServiceException; import com.code.model.UserModel; /** * * @author Qixuan.Chen */ @Service public class RegisterValidateService { @Autowired private UserDao userDao; /** * 处理注册 */ public void processregister(String email){ UserModel user=new UserModel(); Long as=5480l; user.setId(as); user.setName("xiaoming"); user.setPassword("324545"); 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>"); sb.append("<a href="http://localhost:8080/springmvc/user/register?action=activate&email="); sb.append(email); sb.append("&validateCode="); sb.append(user.getValidateCode()); sb.append("">http://localhost:8080/springmvc/user/register?action=activate&email="); sb.append(email); sb.append("&validateCode="); sb.append(user.getValidateCode()); sb.append("</a>"); //发送邮件 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 { 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)!"); } } } RegisterController.java代码 package com.app.web.controller; import java.text.ParseException; import javax.annotation.Resource; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.servlet.ModelAndView; import com.app.service.impl.RegisterValidateService; import com.app.tools.ServiceException; @Controller public class RegisterController { @Resource private RegisterValidateService service; @RequestMapping(value="/user/register",method={RequestMethod.GET,RequestMethod.POST}) public ModelAndView load(HttpServletRequest request,HttpServletResponse response) throws ParseException{ String action = request.getParameter("action"); System.out.println("-----r----"+action); ModelAndView mav=new ModelAndView(); if("register".equals(action)) { //注册 String email = request.getParameter("email"); service.processregister(email);//发邮箱激活 mav.addObject("text","注册成功"); mav.setViewName("register/register_success"); } else if("activate".equals(action)) { //激活 String email = request.getParameter("email");//获取email String validateCode = request.getParameter("validateCode");//激活码 try { service.processActivate(email , validateCode);//调用激活方法 mav.setViewName("register/activate_success"); } catch (ServiceException e) { request.setAttribute("message" , e.getMessage()); mav.setViewName("register/activate_failure"); } } return mav; } } UserDao.java(这里个人没有做入库操作,只是利用集合,做过效果出来0_0) package com.app.dao; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; import java.util.HashMap; import org.springframework.stereotype.Repository; import com.code.model.UserModel; /** * * @author Qixuan.Chen */ @Repository public class UserDao { public HashMap<String, String> map=new HashMap<String, String>(); /** * @保存注册信息 * private Long id; private String name; private String password; private String email;//注册账号 private int status;//激活状态 private String validateCode;//激活码 private Date registerTime;//注册时间 */ public void save(UserModel user){ System.out.println("cicicici"); map.put("id", String.valueOf(user.getId())); map.put("email", user.getEmail()); map.put("validateCode", user.getValidateCode()); SimpleDateFormat sdf=new SimpleDateFormat("yyyyMMddhhmmss"); String time=sdf.format(user.getRegisterTime()); map.put("registerTime", time); int status=user.getStatus(); map.put("status", String.valueOf(status)); map.put("name", user.getName()); String t2=sdf.format(user.getLastActivateTime()); map.put("activeLastTime", String.valueOf(t2)); System.out.println("=======s========="+status); } /** * @更新 user */ public void update(UserModel user){ map.put("email", user.getEmail()); map.put("validateCode", user.getValidateCode()); Date time=user.getRegisterTime(); map.put("registerTime", String.valueOf(time)); int status=user.getStatus(); map.put("status", String.valueOf(status)); System.out.println("=======st========="+status); } /** * @throws ParseException * @查找信息 */ public UserModel find(String email) throws ParseException{ UserModel user=new UserModel(); user.setEmail(map.get("email")); user.setName(map.get("name")); SimpleDateFormat sdf=new SimpleDateFormat("yyyyMMddhhmmss"); Date day=sdf.parse(map.get("registerTime")); user.setRegisterTime(day); user.setStatus(Integer.valueOf(map.get("status"))); user.setValidateCode(map.get("validateCode")); return user; } } UserModel.java package com.code.model; 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 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; } ///////////////////////// @Transient public Date getLastActivateTime() { Calendar cl = Calendar.getInstance(); cl.setTime(registerTime); cl.add(Calendar.DATE , 2); return cl.getTime(); } } SendEmail.java文件 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 Qixuan.Chen */ public class SendEmail { 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 = "xxxxx@xx.com";//发件人的email public static final String PWD = "123456";//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 static 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(); } } } MD5Util.java 文件 package com.app.tools; 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)); } } ServiceException.java package com.app.tools; public class ServiceException extends Exception { private static final long serialVersionUID = -1708015121235851228L; public ServiceException(String message) { super(message); } } jsp页面 1、registerEmailValidae.jsp <h2>注册激活</h2> <form action="user/register?action=register" method="post"> Email:<input type="text" id="email" name="email" value="" > <input type="submit" value="提交"> </form> 2、register_success.jsp <body> 恭喜你注册成功!请到注册的邮箱点击链接激活! </body> 3、activate_success.jsp <body> 账号激活成功,点击这里去登录! </body> 4、activate_failure.jsp: <body> 激活失败!错误信息:${message } </body>