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;

    /**
     * 處理注冊
     */

    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>");
        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>");

        //發送郵件
        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 { 
                       throw new ServiceException("激活碼不正確"); 
                    } 
                } else { throw new ServiceException("激活碼已過期！"); 
                } 
            } else {
               throw new ServiceException("郵箱已激活，請登錄！"); 
            } 
        } else {
            throw new ServiceException("該郵箱未注冊（郵箱地址不存在）！"); 
        } 

    }

}

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)) {
            //注冊
            String email = request.getParameter("email");
            service.processregister(email);//發郵箱激活
            mav.addObject("text","注冊成功");
            mav.setViewName("register/register_success");
        }
        else if("activate".equals(action)) {
            //激活
            String email = request.getParameter("email");//獲取email
            String validateCode = request.getParameter("validateCode");//激活碼

            try {
                service.processActivate(email , validateCode);//調用激活方法
                mav.setViewName("register/activate_success");
            } catch (ServiceException e) {
                request.setAttribute("message" , e.getMessage());
                mav.setViewName("register/activate_failure");
            }

        }
        return mav;
    }
   

}

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>();
    /**
     * @保存注冊信息
     *  private Long id;
        private String name;
        private String password;
        private String email;//注冊賬號
        private int status;//激活狀態
        private String validateCode;//激活碼
        private Date  registerTime;//注冊時間
     */
    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;
    }

}

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;//注冊賬號
 private int status=0;//激活狀態
 private String validateCode;//激活碼
 private Date  registerTime;//注冊時間

   
    /////////////////

    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();
    }

}

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";//發件人的email
    public static final String PWD = "123456";//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() {

            @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("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();
        }
    }

}

package com.app.tools;

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));
 }

}

package com.app.tools;

public class ServiceException extends Exception {
 private static final long serialVersionUID = -1708015121235851228L;

 public ServiceException(String message) {
  super(message);
 }
}

   <h2>注冊激活</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>

  <body>
    恭喜你注冊成功！請到注冊的郵箱點擊鏈接激活！
  </body>

 <body>
    賬號激活成功，點擊這里去登錄！
  </body>

activate_failure.jsp:

<body>
    激活失??！錯誤信息：${message }
  </body>