java mail(发邮件)

package email;

import java.io.UnsupportedEncodingException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Authenticator;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.Message.RecipientType;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.mail.internet.MimeUtility;

import org.apache.commons.mail.Email;
import org.apache.commons.mail.EmailAttachment;
import org.apache.commons.mail.EmailException;
import org.apache.commons.mail.HtmlEmail;
import org.apache.commons.mail.MultiPartEmail;

/**
 * 发送邮件原始代码
 * @author wander
 *
 */
public class SendEmailDemo1 {

	public static void main(String[] args) throws Exception {
//		send();
		send2();
		
	}
	
	/**
	 * sun的mail.jar包
	 */
	public static void send() throws AddressException, MessagingException, ParseException, UnsupportedEncodingException {
		String from = "**@163.com";
		String to = "**@qq.com";
		String host = "smtp.163.com";
		
		Properties pro = System.getProperties();//new Properties();
		pro.put("mail.smtp.host", host);
		pro.put("mail.smtp.auth", "true");
		pro.put("mail.smtp.port", 25);
		
		//创建SESSION
		Session session = Session.getDefaultInstance(pro, new Authenticator(){
			public PasswordAuthentication getPasswordAuthentication() {
				return new PasswordAuthentication("wandao312", "");
			}
		});
		
		//打印调试信息
		session.setDebug(true); 
		
		//创建消息, 设置收信人, 主题
		MimeMessage message = new MimeMessage(session);
		message.setFrom(new InternetAddress(from));
		
		//RecipientType.BCC:暗送, RecipientType.CC:抄送, RecipientType.TO:收件人
		message.setRecipient(RecipientType.TO, new InternetAddress(to));
		message.setSubject("邮件测试标题!", "UTF-8");//此处要编码转化, 不然会出显乱码
		message.setText("邮件测试内容", "UTF-8");//纯文本邮件, 如果不是此类型, 则用setContent 
		message.setSentDate(new Date());
		
		//带附件-----begin--------
		Multipart multipart = new MimeMultipart();
		
		
		MimeBodyPart messageBodyPart = new MimeBodyPart();
		String fileName1 = "D:\\dd.sql";
		// 得到数据源  
		FileDataSource fds = new FileDataSource(fileName1);  
		// BodyPart添加附件本身  
		messageBodyPart.setDataHandler(new DataHandler(fds));  
		// BodyPart添加附件文件名  
		messageBodyPart.setFileName(MimeUtility.encodeText("dd.sql"));
		multipart.addBodyPart(messageBodyPart);
		
		//当有附件时设置邮件内容, 如果带附件, 则要再次设置内容, 不然像上面的setText是不起作用
		MimeBodyPart mbp1 = new MimeBodyPart();
		mbp1.setContent("邮件测试内容1", "text/html;charset=UTF-8");
		multipart.addBodyPart(mbp1);
		
		//当有附件时设置邮件内容, 当再次设置内容时, 会把第二次的当成附件
//		MimeBodyPart mbp2 = new MimeBodyPart();
//		mbp2.setContent("邮件测试内容2", "text/html;charset=UTF-8");
//		multipart.addBodyPart(mbp2);
		
		message.setContent(multipart); 
//		-----end--------
		
		Transport.send(message);
//		Transport transport = session.getTransport("smtp");
//		transport.connect("name", "");
//		transport.send(message);
//		transport.close();
	}
	
	/**
	 * APACHE的common-email.jar包.
	 * @throws EmailException
	 */
	public static void send2() throws EmailException {
		//不带附件   ------begin------
		Email email=null;		
		email=new HtmlEmail();
		email.setDebug(true);
		email.setHostName("smtp.163.com");
		email.setSmtpPort(25);
		email.setAuthentication("wandao312","");
		email.setSubject("test");
		email.setCharset("gbk");
		email.setFrom("**@163.com");
		email.addTo("**@qq.com");
		email.setMsg("邮件测试4");
		
		email.send();
//		------end------
		
		
		//带附件   ------begin------
		/*Email multiPartEmail = new HtmlEmail();
		multiPartEmail.setDebug(true);
		multiPartEmail.setHostName("smtp.163.com");
		multiPartEmail.setSmtpPort(25);
		multiPartEmail.setAuthentication("name","");
		multiPartEmail.setSubject("test");
		multiPartEmail.setCharset("gbk");
		multiPartEmail.setFrom("**@163.com");
		multiPartEmail.addTo("**@qq.com");*/
		
		/*EmailAttachment ea = new EmailAttachment();
		ea.setPath("D:\\dd.sql");
		
		multiPartEmail.attach(ea);*/
		
//		multiPartEmail.send();
		
//		------end------
	}
}