MailJobUtils 发送邮件

 import java.util.List;
 import java.util.Properties;

 import javax.annotation.Resource;
 import javax.mail.Authenticator;
 import javax.mail.Message.RecipientType;
 import javax.mail.PasswordAuthentication;
 import javax.mail.Session;
 import javax.mail.Transport;
 import javax.mail.internet.InternetAddress;
 import javax.mail.internet.MimeMessage;

 import cn.itcast.bos.dao.IWorkbillDao;
 import cn.itcast.bos.domain.Workbill;

 /**
  * 发送邮件
  *
  */
 public class MailJob {
     @Resource
     private IWorkbillDao workbillDao;

     private String username;
     private String password;
     private String smtpServer;

     public String getUsername() {
         return username;
     }

     public void setUsername(String username) {
         this.username = username;
     }

     public String getPassword() {
         return password;
     }

     public void setPassword(String password) {
         this.password = password;
     }

     public void execute() {
         System.out.println("要发邮件了。。。");
         try {
             //查询工单类型为新单的所有工单
             List<Workbill> list = workbillDao.findNewWorkbills();
             if(null != list && list.size() > 0){
                 final Properties mailProps = new Properties();
                 mailProps.put("mail.smtp.host", this.getSmtpServer());
                 mailProps.put("mail.smtp.auth", "true");
                 mailProps.put("mail.username", this.getUsername());
                 mailProps.put("mail.password", this.getPassword());

                 // 构建授权信息，用于进行SMTP进行身份验证
                 Authenticator authenticator = new Authenticator() {
                     protected PasswordAuthentication getPasswordAuthentication() {
                         // 用户名、密码
                         String userName = mailProps.getProperty("mail.username");
                         String password = mailProps.getProperty("mail.password");
                         return new PasswordAuthentication(userName, password);
                     }
                 };
                 // 使用环境属性和授权信息，创建邮件会话
                 Session mailSession = Session.getInstance(mailProps, authenticator);
                 for(Workbill workbill : list){
                     // 创建邮件消息
                     MimeMessage message = new MimeMessage(mailSession);
                     // 设置发件人
                     InternetAddress from = new InternetAddress(mailProps.getProperty("mail.username"));
                     message.setFrom(from);
                     // 设置收件人
                     InternetAddress to = new InternetAddress("test@itcast.cn");
                     message.setRecipient(RecipientType.TO, to);
                     // 设置邮件标题
                     message.setSubject("系统邮件：新单通知");
                     // 设置邮件的内容体
                     message.setContent(workbill.toString(), "text/html;charset=UTF-8");
                     // 发送邮件
                     Transport.send(message);
                 }
             }
         } catch (Exception ex) {
             ex.printStackTrace();
         }
     }

     public String getSmtpServer() {
         return smtpServer;
     }

     public void setSmtpServer(String smtpServer) {
         this.smtpServer = smtpServer;
     }
 }