电子邮件系统 6----JavaMail发送带附件的电子邮件示例(1)

/**
 * CrazyItTest
 * 使用JavaMail发送带附件的电子邮件示例
 */
package com.labci.javamail.test;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.Date;
import java.util.Properties;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.MessagingException;
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;
/**
 * @author Bill Tu
 * @since May 26, 2011(21:03:36 PM)
 *
 */
public class SendEmailTest {
     private static Session getSession(String protocol){
         Properties mailProps=new Properties();
         mailProps.put("mail.smtp.auth", "true");//向SMTP服务器提交用户认证
         mailProps.put("mail.transport.protocol", protocol);//指定发送邮件协议

         //getInstance每次都会拿一个新的session,而getDefaultInstance拿的是同一个session
         Session session=Session.getDefaultInstance(mailProps);
         //session.setDebug(true);//调试模式
         return session;
     }


     private static void sendEmail(MimeMessage message,String protocol) throws MessagingException{
         String host="smtp.163.com";//连接发送方的SMTP服务器
         String user="iwtxokhtd";//用户名
         String password="123456";//密码
        //从session中取mail.smtp.protocol指定协议的Transport
         Transport transport=getSession(protocol).getTransport();
         //建立与指定的SMTP服务器的连接
         transport.connect(host, user, password);
        //发给所有指定的收件人,若使用message.getAllRecipients()则还包括抄送和暗送的人
         transport.sendMessage(message, message.getRecipients(RecipientType.TO));
         //关闭连接
         transport.close();

         /**
          * Transport的send静态方法包括了connect,saveChanges,sendMessage,close等一系列操作，
          * 但它连接同一个SMTP服务器每发一封邮件给服务器都得重新建立连接和断开连接,
          * 虽然使用较方便，但开销较大,不值得推荐。
          */
        // Transport.send(message, message.getRecipients(RecipientType.TO));
     }


     private static MimeMessage getTextMessage(Session session) throws AddressException,
            MessagingException, UnsupportedEncodingException{
          MimeMessage message=new MimeMessage(session);
          String from="[e-mail]";//发送方邮件地址
          String to="[e-mail]";//接收方邮件地址

          String subject="从163发到QQ来的邮件";//邮件主题，注意是中文的

          String content="<h1>试试可以不</h1><img src="cid:my1.jpg" mce_src="cid:my1.jpg"/>";//cid为my1.jpg，下文会设置此cid
          message.setFrom(new InternetAddress(from));
          message.setRecipient(RecipientType.TO, new InternetAddress(to));
          message.setSubject(subject);
          message.setSentDate(new Date());//发送时间

          MimeBodyPart picBodyPart=getPicBodyPart(content,"F://My头像.jpg");
          MimeBodyPart attached1BodyPart=getAttachedBodyPart("F://nginx中文.txt");//注意附件名是中文的
          MimeBodyPart attached2BodyPart=getAttachedBodyPart("F://nginx英文.doc");

          MimeMultipart mmp=new MimeMultipart("mixed");//MIME消息头组合类型是mixed(html+附件)
          mmp.addBodyPart(picBodyPart);
          mmp.addBodyPart(attached1BodyPart);
          mmp.addBodyPart(attached2BodyPart);

          message.setContent(mmp);
          message.saveChanges();

          return message;

     }

     /**
      * 处理文件名
      * 此处是针对Window下的。
      * @param filePath
      * @return
      */
     private static String doHandlerFileName(String filePath){
          String fileName=filePath;
          if(null !=filePath && !"".equals(filePath)){
           fileName=filePath.substring(filePath.lastIndexOf("//")+1);
          }
          return fileName;
     }


     private static MimeBodyPart getAttachedBodyPart(String filePath) throws MessagingException,
            UnsupportedEncodingException{
          MimeBodyPart attached=new MimeBodyPart();
          FileDataSource fds=new FileDataSource(filePath);
          attached.setDataHandler(new DataHandler(fds));
          String fileName=doHandlerFileName(filePath);
          attached.setFileName(MimeUtility.encodeWord(fileName));//处理附件文件的中文名问题
          return attached;
     }

     /**
      * 处理html加图片的类型(related)
      * @param content
      * @param picName
      * @return
      * @throws MessagingException
      */
     private static MimeBodyPart getPicBodyPart(String content,String picName) throws MessagingException{
          MimeBodyPart contentPart=new MimeBodyPart();

          MimeMultipart mmp=new MimeMultipart("related");//此处MIME消息头组合类型为related
          MimeBodyPart contented=new MimeBodyPart();
          contented.setContent(content,"text/html;charset=gb2312");//因正文内容中有中文

          mmp.addBodyPart(contented);

          MimeBodyPart picBodyPart=new MimeBodyPart();
          FileDataSource fds=new FileDataSource(picName);
          picBodyPart.setDataHandler(new DataHandler(fds));
          picBodyPart.setContentID("my1.jpg");//设置contentId

          mmp.addBodyPart(picBodyPart);

          contentPart.setContent(mmp);

          return contentPart;
     }


     public static void main(String[] args) throws AddressException,
            MessagingException, FileNotFoundException, IOException {
         String protocol="smtp";
         sendEmail(getTextMessage(getSession(protocol)),protocol);

     }
}

/**
 * CrazyItTest
 * 使用JavaMail发送带附件的电子邮件示例
 */
package com.labci.javamail.test;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.Date;
import java.util.Properties;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.MessagingException;
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;
/**
 * @author Bill Tu
 * @since May 26, 2011(21:03:36 PM)
 *
 */
public class SendEmailTest {
	 private static Session getSession(String protocol){
		 Properties mailProps=new Properties();
		 mailProps.put("mail.smtp.auth", "true");//向SMTP服务器提交用户认证
		 mailProps.put("mail.transport.protocol", protocol);//指定发送邮件协议
		 
		 //getInstance每次都会拿一个新的session,而getDefaultInstance拿的是同一个session
		 Session session=Session.getDefaultInstance(mailProps);
		 //session.setDebug(true);//调试模式
		 return session;
	 }
	
	
	 private static void sendEmail(MimeMessage message,String protocol) throws MessagingException{
		 String host="smtp.163.com";//连接发送方的SMTP服务器
		 String user="iwtxokhtd";//用户名
		 String password="123456";//密码
		//从session中取mail.smtp.protocol指定协议的Transport
		 Transport transport=getSession(protocol).getTransport();
		 //建立与指定的SMTP服务器的连接
		 transport.connect(host, user, password);
		//发给所有指定的收件人,若使用message.getAllRecipients()则还包括抄送和暗送的人
		 transport.sendMessage(message, message.getRecipients(RecipientType.TO));
		 //关闭连接
		 transport.close();
		 
		 /**
		  * Transport的send静态方法包括了connect,saveChanges,sendMessage,close等一系列操作，
		  * 但它连接同一个SMTP服务器每发一封邮件给服务器都得重新建立连接和断开连接,
		  * 虽然使用较方便，但开销较大,不值得推荐。
		  */
		// Transport.send(message, message.getRecipients(RecipientType.TO));
	 }
	 
	
	 private static MimeMessage getTextMessage(Session session) throws AddressException, 
	 		MessagingException, UnsupportedEncodingException{
		  MimeMessage message=new MimeMessage(session);
		  String from="[e-mail]";//发送方邮件地址
		  String to="[e-mail]";//接收方邮件地址
		  
		  String subject="从163发到QQ来的邮件";//邮件主题，注意是中文的
		  
		  String content="<h1>试试可以不</h1><img src="cid:my1.jpg" mce_src="cid:my1.jpg"/>";//cid为my1.jpg，下文会设置此cid
		  message.setFrom(new InternetAddress(from));
		  message.setRecipient(RecipientType.TO, new InternetAddress(to));
		  message.setSubject(subject);
		  message.setSentDate(new Date());//发送时间
		  
		  MimeBodyPart picBodyPart=getPicBodyPart(content,"F://My头像.jpg");
		  MimeBodyPart attached1BodyPart=getAttachedBodyPart("F://nginx中文.txt");//注意附件名是中文的
		  MimeBodyPart attached2BodyPart=getAttachedBodyPart("F://nginx英文.doc");
		  
		  MimeMultipart mmp=new MimeMultipart("mixed");//MIME消息头组合类型是mixed(html+附件)
		  mmp.addBodyPart(picBodyPart);
		  mmp.addBodyPart(attached1BodyPart);
		  mmp.addBodyPart(attached2BodyPart);
		  
		  message.setContent(mmp);
		  message.saveChanges();
		  
		  return message;
	  
	 }
	 
	 /**
	  * 处理文件名
	  * 此处是针对Window下的。
	  * @param filePath
	  * @return
	  */
	 private static String doHandlerFileName(String filePath){
		  String fileName=filePath;
		  if(null !=filePath && !"".equals(filePath)){
		   fileName=filePath.substring(filePath.lastIndexOf("//")+1);
		  }
		  return fileName;
	 }
	 
	 
	 private static MimeBodyPart getAttachedBodyPart(String filePath) throws MessagingException,
	 		UnsupportedEncodingException{
		  MimeBodyPart attached=new MimeBodyPart();
		  FileDataSource fds=new FileDataSource(filePath);
		  attached.setDataHandler(new DataHandler(fds));
		  String fileName=doHandlerFileName(filePath);
		  attached.setFileName(MimeUtility.encodeWord(fileName));//处理附件文件的中文名问题
		  return attached;
	 }
	 
	 /**
	  * 处理html加图片的类型(related)
	  * @param content
	  * @param picName
	  * @return
	  * @throws MessagingException
	  */
	 private static MimeBodyPart getPicBodyPart(String content,String picName) throws MessagingException{
		  MimeBodyPart contentPart=new MimeBodyPart();
		  
		  MimeMultipart mmp=new MimeMultipart("related");//此处MIME消息头组合类型为related
		  MimeBodyPart contented=new MimeBodyPart();
		  contented.setContent(content,"text/html;charset=gb2312");//因正文内容中有中文
		  
		  mmp.addBodyPart(contented);
		  
		  MimeBodyPart picBodyPart=new MimeBodyPart();
		  FileDataSource fds=new FileDataSource(picName);
		  picBodyPart.setDataHandler(new DataHandler(fds));
		  picBodyPart.setContentID("my1.jpg");//设置contentId
		  
		  mmp.addBodyPart(picBodyPart);
		  
		  contentPart.setContent(mmp);
		  
		  return contentPart;
	 }
	 
	 
	 public static void main(String[] args) throws AddressException, 
	 		MessagingException, FileNotFoundException, IOException {
		 String protocol="smtp";
		 sendEmail(getTextMessage(getSession(protocol)),protocol);
	  
	 }
}

 

 

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