基于java使用JavaMail发送邮件

public class Mail {

 private String mailServer,from,to,mailSubject,mailContent;

 private String username,password;

 public Mail(){

   //设置邮件信息

   //进行认证登录的用户名

   username="hq@mail.com";

   //认证密码

   password="hq";

   //认证的邮箱对应的邮件服务器

   mailServer="192.168.17.176";

   //发件人信息

   from="wj";

   //收件人信息

   to="wj@mail.com";

   //邮件标题

   mailSubject="我们都是好孩子333";

   //邮件内容

   mailContent="这是一封测试邮件！如有雷同，纯属不可能";

 }

 //设置邮件服务器

 @SuppressWarnings("static-access")

public void send(){

   Properties prop=System.getProperties();

   //指定邮件server

   prop.put("mail.smtp.host", mailServer);

    

   //是否开启认证

   prop.put("mail.smtp.auth", "true");

    

   //smtp协议的

   prop.put("mail.smtp.port", "25");

   //产生Session服务

   EmailAuthenticator mailauth=new EmailAuthenticator(username, password);

   Session mailSession=Session.getInstance(prop,(Authenticator)mailauth);

    try {

      //封装Message对象

      Message message=new MimeMessage(mailSession);

      

      message.setFrom(new InternetAddress(from)); //发件人

      message.setRecipient(Message.RecipientType.TO, new InternetAddress(to));//收件人

      message.setSubject(mailSubject);

      //设置内容(设置字符集处理乱码问题)

      message.setContent(mailContent,"text/html;charset=gbk");

      message.setSentDate(new Date());

      //创建Transport实例，发送邮件

      Transport tran=mailSession.getTransport("smtp");

      tran.send(message,message.getAllRecipients());

      tran.close();

      

    } catch (Exception e) {

      e.printStackTrace();

    }

 } 

public class MyTest {

  public static void main(String[] args) {

    Mail mail=new Mail();

    mail.send();

    System.out.println("success!");

  }
} 

public class MailWithAttachment {

  private JavaMailSender mailSender; //必须使用 JavaMailSender

  public void setMailSender(JavaMailSender mailSender) {

    this.mailSender = mailSender;

  }

   

  public void send() throws MessagingException,IOException{

    MimeMessage mimeMessage = mailSender.createMimeMessage();

    MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true, "UTF-8");

    helper.setFrom("hq@mail.com");

    helper.setTo("wj@mail.com");

     

    helper.setSubject("哈哈哈");

    helper.setText("每日一笑，开开心心！！！");

    //添加附件1

    ClassPathResource file1 = new ClassPathResource(

                    "/cn/bdqn/attachfiles/test.doc");

    helper.addAttachment(file1.getFilename(), file1.getFile());

    //添加附件2：附件的文件名为中文时，需要对文件名进行编码转换，解决乱码问题

    ClassPathResource file2 = new ClassPathResource(

                    "/cn/bdqn/attachfiles/附件测试文件.doc");

    helper.addAttachment(MimeUtility.encodeWord(file2.getFilename()),file2.getFile());

    mailSender.send(mimeMessage);

  }

} 

public class MailTest {

  public static void main(String[] args){

    ApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml");

     

    /*测试带附件的邮件*/

    try{

      MailWithAttachment mailWithAttach = (MailWithAttachment)context.getBean("mailWithAttachment");

      mailWithAttach.send();

    }catch(Exception e){

      System.out.print(e.toString());

    }

  }

}