Java认证考试:Spring实现邮件发送

时间:2020-09-21 12:38:01 JAVA认证 我要投稿

Java认证考试:Spring实现邮件发送

  Spring提供了一个发送邮件的抽象层,使发送邮件实现非常简单。下面代码需要mail.jar包,如果服务器需要认证,必须加入如下加粗代码:

Java认证考试:Spring实现邮件发送

  源文件:SendMail.java:

  package mail;

  import org.springframework.mail.javamail.JavaMailSenderImpl;

  import org.springframework.mail.javamail.MimeMessageHelper;

  import javax.mail.internet.MimeMessage;

  import java.util.Properties;

  import java.util.Date;

  /**

  * @author chrischen

  */

  public class SendMail {

  //邮件发送器

  public static String Sender(String subject, String msg, String sendTo, String fromMail, String user, String pw, String fromName, String protocol, String host, String port){

  try{

  final String username = user;

  final String pass = pw;

  //需要认证

  Properties props = new Properties();

  props.put(“mail.smtp.host”, host);

  props.put(“mail.smtp.auth”, “true”);

  props.put(“mail.transport.protocol”, protocol);

  props.put(“mail.from”, fromMail);

  //创建发送器

  JavaMailSenderImpl sender = new JavaMailSenderImpl();

  sender.setHost(host);

  sender.setUsername(username);

  sender.setPassword(pass);

  //创建消息

  MimeMessage message = sender.createMimeMessage();

  message.addHeader(“X-Mailer”, “Java Mailer”);

  MimeMessageHelper helper = new MimeMessageHelper(message);

  helper.setTo(sendTo);

  helper.setFrom(fromMail, fromName);

  helper.setSubject(subject);

  helper.setText(msg);

  helper.setSentDate(new Date());

  //开始发送

  sender.setJavaMailProperties(props);

  sender.send(message);

  }catch(Exception e){

  System.out.println(“Error:” + e);

  return “Failure”;

  }

  return “Success”;

  }

  //测试

  public static void main(String args[])throws Exception

  {

  String subject = “测试邮件”;//标题

  String sendTo = “test@my.com”;//接收者邮件

  String fromMail = “send@my.com”;//发送者邮件

  String user = “send@my.com”;//发送者用户

  String pw = “password”;//发送者邮件密码

  String fromName = “Chen”;//发送者名字

  String protocol = “smtp”;//协议

  String host = “smtp.my.com”;//发送主机

  String port = “25”;//端口

  String msg = “简单邮件发送。”;//发送内容

  String ret = Sender(subject, msg, sendTo, fromMail, user, pw, fromName, protocol, host, port);

  System.out.println(“邮件发送结果:” + ret);

  }

  }

  使用MimeMessageHelper,可以实现Multipart email,方便添加附件和内嵌资源等。

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