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java发邮件带附件实例

时间:2015-02-11 16:22:48      阅读:125      评论:0      收藏:0      [点我收藏+]

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package cn.bric.crm.util;

import java.util.Date;
import java.util.Enumeration;
import java.util.Properties;
import java.util.Vector;

import javax.activation.*;
import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.Multipart;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
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 java.io.FileInputStream;
import java.io.IOException;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Set;
import java.util.regex.Pattern;

/**
 * <p>
 * Title: 使用javamail发送邮件
 * </p>
 */
public class MailUtils {

	String to = "";// 收件人
	String from = "";// 发件人
	String host = "";// smtp主机
	String username = "";
	String password = "";
	String filename = "";// 附件文件名
	String subject = "";// 邮件主题
	String content = "";// 邮件正文
	Vector file = new Vector();// 附件文件集合

	/**
	 * <br>
	 * 方法说明:默认构造器 <br>
	 * 输入参数: <br>
	 * 返回类型:
	 */
	public MailUtils() {
	}

	/**
	 * <br>
	 * 方法说明:构造器,提供直接的参数传入 <br>
	 * 输入参数: <br>
	 * 返回类型:
	 */
	public MailUtils(String to, String from, String smtpServer,
			String username, String password, String subject, String content) {
		this.to = to;
		this.from = from;
		this.host = smtpServer;
		this.username = username;
		this.password = password;
		this.subject = subject;
		this.content = content;
	}

	/**
	 * <br>
	 * 方法说明:设置邮件服务器地址 <br>
	 * 输入参数:String host 邮件服务器地址名称 <br>
	 * 返回类型:
	 */
	public void setHost(String host) {
		this.host = host;
	}

	/**
	 * <br>
	 * 方法说明:设置登录服务器校验密码 <br>
	 * 输入参数: <br>
	 * 返回类型:
	 */
	public void setPassWord(String pwd) {
		this.password = pwd;
	}

	/**
	 * <br>
	 * 方法说明:设置登录服务器校验用户 <br>
	 * 输入参数: <br>
	 * 返回类型:
	 */
	public void setUserName(String usn) {
		this.username = usn;
	}

	/**
	 * <br>
	 * 方法说明:设置邮件发送目的邮箱 <br>
	 * 输入参数: <br>
	 * 返回类型:
	 */
	public void setTo(String to) {
		this.to = to;
	}

	/**
	 * <br>
	 * 方法说明:设置邮件发送源邮箱 <br>
	 * 输入参数: <br>
	 * 返回类型:
	 */
	public void setFrom(String from) {
		this.from = from;
	}

	/**
	 * <br>
	 * 方法说明:设置邮件主题 <br>
	 * 输入参数: <br>
	 * 返回类型:
	 */
	public void setSubject(String subject) {
		this.subject = subject;
	}

	/**
	 * <br>
	 * 方法说明:设置邮件内容 <br>
	 * 输入参数: <br>
	 * 返回类型:
	 */
	public void setContent(String content) {
		this.content = content;
	}

	/**
	 * <br>
	 * 方法说明:把主题转换为中文 <br>
	 * 输入参数:String strText <br>
	 * 返回类型:
	 */
	public String transferChinese(String strText) {
		try {
			strText = MimeUtility.encodeText(new String(strText.getBytes(),
					"GB2312"), "GB2312", "B");
		} catch (Exception e) {
			e.printStackTrace();
		}
		return strText;
	}

	/**
	 * <br>
	 * 方法说明:往附件组合中添加附件 <br>
	 * 输入参数: <br>
	 * 返回类型:
	 */
	public void attachfile(String fname) {
		file.addElement(fname);
	}

	/**
	 * <br>
	 * 方法说明:发送邮件 <br>
	 * 输入参数: <br>
	 * 返回类型:boolean 成功为true,反之为false
	 */
	public boolean sendMail() {

		// 构造mail session
		Properties props = new Properties() ;
		props.put("mail.smtp.host", host);
		props.put("mail.smtp.auth", "true");
		Session session = Session.getDefaultInstance(props,
				new Authenticator() {
					public PasswordAuthentication getPasswordAuthentication() {
						return new PasswordAuthentication(username, password);
					}
				});
		//Session session = Session.getDefaultInstance(props);
//		Session session = Session.getDefaultInstance(props, null);

		try {
			// 构造MimeMessage 并设定基本的值
			MimeMessage msg = new MimeMessage(session);
			//MimeMessage msg = new MimeMessage();
			msg.setFrom(new InternetAddress(from));
		 
			
			//msg.addRecipients(Message.RecipientType.TO, address); //这个只能是给一个人发送email
			msg.setRecipients(Message.RecipientType.BCC, InternetAddress.parse(to)) ;
			subject = transferChinese(subject);
			msg.setSubject(subject);

			// 构造Multipart
			Multipart mp = new MimeMultipart();

			// 向Multipart添加正文
			MimeBodyPart mbpContent = new MimeBodyPart();
			mbpContent.setContent(content, "text/html;charset=gb2312");
			
			// 向MimeMessage添加(Multipart代表正文)
			mp.addBodyPart(mbpContent);

			// 向Multipart添加附件
			Enumeration efile = file.elements();
			while (efile.hasMoreElements()) {

				MimeBodyPart mbpFile = new MimeBodyPart();
				filename = efile.nextElement().toString();
				FileDataSource fds = new FileDataSource(filename);
				mbpFile.setDataHandler(new DataHandler(fds));
				<span style="color: rgb(255, 0, 0);">//这个方法可以解决附件乱码问题。</span>	
				String filename= new String(fds.getName().getBytes(),"ISO-8859-1");

				mbpFile.setFileName(filename);
				// 向MimeMessage添加(Multipart代表附件)
				mp.addBodyPart(mbpFile);

			}

			file.removeAllElements();
			// 向Multipart添加MimeMessage
			msg.setContent(mp);
			msg.setSentDate(new Date());
			msg.saveChanges() ;
			// 发送邮件
			
			Transport transport = session.getTransport("smtp");
			transport.connect(host, username, password);
			transport.sendMessage(msg, msg.getAllRecipients());
			transport.close();
		} catch (Exception mex) {
			mex.printStackTrace();
//			Exception ex = null;
//			if ((ex = mex.getNextException()) != null) {
//				ex.printStackTrace();
//			}
			return false;
		}
		return true;
	}


	
	/**
	 * <br>
	 * 方法说明:主方法,用于测试 <br>
	 * 输入参数: <br>
	 * 返回类型:
	 */
 	public static void main(String[] args) {
 		MailUtils sendmail = new MailUtils();
 		
 		sendmail.setHost("smtp.qiye.163.com");
 		sendmail.setUserName("service@accfutures.com");
 		sendmail.setPassWord("XXXXXX");
 		sendmail.setTo("EEEEEEE@accfutures.com,EEEEEE@qq.com,EEEEEEE@163.com");
 		sendmail.setFrom("service@accfutures.com");
 		sendmail.setSubject("你好,这是测试!");
 		sendmail.setContent("你好这是一个带多附件的测试!");
		// Mail sendmail = new
		// Mail("dujiang@sricnet.com","du_jiang@sohu.com","smtp.sohu.com","du_jiang","31415926","你好","胃,你好吗?");
 		sendmail.attachfile("d:\\news.rar");
 		sendmail.attachfile("d:\\jhjl.rar");
 		
 		System.out.println(sendmail.sendMail());

 	}
}

 

java发邮件带附件实例

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原文地址:http://www.cnblogs.com/fanjifen/p/4286358.html

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