package cn.itcast.shop.utils; 
 
import java.util.Properties; 
 
import javax.mail.Authenticator; 
import javax.mail.Message; 
import javax.mail.Message.RecipientType; 
import javax.mail.MessagingException; 
import javax.mail.PasswordAuthentication; 
import javax.mail.Session; 
import javax.mail.Transport; 
import javax.mail.internet.AddressException; 
import javax.mail.internet.InternetAddress; 
import javax.mail.internet.MimeMessage; 
 
/** 
 * 邮件发送工具类 
 * @author Zhouzhou 
 * @date 2016-1-1 
 * @time 上午08:52:47 
 */ 
public class MailUitls { 
  public static void sendMail(String to,String code){ 
     
    /** 
     * 1.获取session 
     * 2.创建一个代码邮件的对象message 
     * 3.发送邮件Transport 
     */ 
    /** 
     * 1.获得连接对象 
     */ 
    Properties props=new Properties(); 
    props.setProperty("mail.host","localhost"); 
    Session session=Session.getDefaultInstance(props, new Authenticator(){ 
 
      @Override 
      protected PasswordAuthentication getPasswordAuthentication() { 
        // TODO Auto-generated method stub 
        return new PasswordAuthentication("service@azz.com","111"); 
      } 
       
    }); 
    //2.创建邮件发送对象 
    Message message=new MimeMessage(session); 
    //3.设置发件人 
    try { 
      message.setFrom(new InternetAddress("service@azz.com")); 
      //设置收件人 
      message.addRecipient(RecipientType.TO, new InternetAddress(to)); 
      //标题 
      message.setSubject("来自周洲商城的官方激活邮件"); 
      message.setContent("<h1>AZZ商城官方激活邮件!点下面链接完成激活操作!</h1><h3><a href='http://192.168.21.114:8080/shop/user_active.action?code="+code+"'>http://192.168.21.114:8080/shop/user_active.action?code="+code+"</a></h3>", "text/html;charset=UTF-8"); 
      // 3.发送邮件: 
      Transport.send(message); 
    } catch (AddressException e) { 
      // TODO Auto-generated catch block 
      e.printStackTrace(); 
    } catch (MessagingException e) { 
      // TODO Auto-generated catch block 
      e.printStackTrace(); 
    } 
  } 
 
   
  public static void main(String[] args) { 
    sendMail("aaa@azz.com","你的激活码是azz19931016"); 
  } 
} 

package cn.itcast.shop.user.service; 
import org.springframework.transaction.annotation.Transactional; 
import cn.itcast.shop.user.dao.UserDao; 
import cn.itcast.shop.user.vo.User; 
import cn.itcast.shop.utils.MailUitls; 
import cn.itcast.shop.utils.UUIDUtils; 
 
//业务层 
@Transactional 
public class UserService { 
  //安装用户名查询用户的方法 
  private UserDao userDao; 
 
  public void setUserDao(UserDao userDao) { 
    this.userDao = userDao; 
  } 
   
  public User findByUsername(String username){ 
    return userDao.findByUsername(username); 
  } 
 
  //业务层：完成 用户注册 
  public void save(User user) { 
    // TODO Auto-generated method stub 
    //将数据存入数据库 
    user.setState(0);//1已经激活，0没有激活 
    String code=UUIDUtils.getUUID()+UUIDUtils.getUUID(); 
    user.setCode(code); 
    userDao.save(user); 
    // 发送激活邮件; 
    MailUitls.sendMail(user.getEmail(), code); 
  } 
 
  // 业务层根据激活码查询用户 
  public User findByCode(String code) { 
    return userDao.findByCode(code); 
  } 
 
  // 修改用户的状态的方法 
  public void update(User existUser) { 
    userDao.update(existUser); 
  } 
   
  // 用户登录的方法 
  public User login(User user) { 
    return userDao.login(user); 
  }   
}