email1.java

java网络编程 包含全书所有代码编程以及实例

package sendmail;

import javax.mail.*;
import javax.mail.internet.*;
import java.util.*;

/**
 * 这个例子说明了一个简单的 email 发送程序
 *
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2001</p>
 * <p>Company: </p>
 * @author unascribed
 * @version 1.0
 */
public class Email1 {

    public static void main(String[] argv) {
        new Email1(argv);
    }

    public Email1(String[] argv) {
      //收件人
      String to = null;
      //发件人
      String from = null;
      //主题
      String subject = null;
      //抄送人
      String cc = null;
      //暗抄送
      String bcc = null;
      // mail 主机
      String mailhost = null;
      // mail 内容
      String content = null;
      //MIME邮件对象
      MimeMessage mimeMsg = null;
      //邮件会话对象
      Session session = null;

      try {
        mailhost = "202.205.84.216";
        from	 = "[e-mail]";
        to	 = "[e-mail]";
        subject	 = "您好";
        content  = "最简单的JavaMail";

        Properties props = System.getProperties();  //获得系统属性
        props.put("mail.smtp.host", mailhost);      //设置SMTP主机

        //获得邮件会话对象
        session = Session.getDefaultInstance(props,null);
        //创建MIME邮件对象
        mimeMsg = new MimeMessage( session );
        //设置发信人
        mimeMsg.setFrom(new InternetAddress( from ) );

        //设置收信人
        if(to!=null){
           mimeMsg.setRecipients( Message.RecipientType.TO, InternetAddress.parse( to ) );
        }

        //设置抄送人
        if(cc!=null){
           mimeMsg.setRecipients( Message.RecipientType.CC, InternetAddress.parse( cc ) );
        }

        //设置暗送人
        if(bcc!=null){
           mimeMsg.setRecipients( Message.RecipientType.BCC, InternetAddress.parse( bcc ) );
        }

        //设置邮件主题
        mimeMsg.setSubject(subject,"GBK");

        //设置邮件内容
        mimeMsg.setText( content ,"GBK" );
        //发送日期
        mimeMsg.setSentDate(new Date());
        //发送邮件
        Transport.send( mimeMsg );
        System.out.println( "email send！");

      } catch (Exception e) {
        e.printStackTrace();
      }
    }
}