java发送邮件 发送带附件的邮件详解编程语言

import java.io.File; 
import java.util.Date; 
 
import javax.activation.DataHandler; 
import javax.activation.FileDataSource; 
import javax.mail.Address; 
import javax.mail.BodyPart; 
import javax.mail.Message; 
import javax.mail.Multipart; 
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; 
 
/** 
 * 发送带附件的邮件 
 *  
 * 需要导入mail.jar 
 */ 
public class AttachmentMailSender { 
 
	public static boolean sendMail(MailSenderInfo mailInfo) { 
		// 判断是否需要身份认证 
		MyAuthenticator authenticator = null; 
		if (mailInfo.isValidate()) { 
			// 如果需要身份认证，则创建一个密码验证器 
			authenticator = new MyAuthenticator(mailInfo.getUserName(), 
					mailInfo.getPassword()); 
		} 
		// 根据邮件发送的属性和密码验证器构造一个发送邮件的session 
		Session sendMailSession = Session.getInstance(mailInfo.getProperties(), 
				authenticator); 
		try { 
			// 根据session创建一个邮件消息 
			Message mailMessage = new MimeMessage(sendMailSession); 
			// 创建邮件发送者地址 
			Address from = new InternetAddress(mailInfo.getFromAddress()); 
			// 设置邮件消息的发送者 
			mailMessage.setFrom(from); 
			// 创建邮件的接收者地址，并设置到邮件消息中 
			Address to = new InternetAddress(mailInfo.getToAddress()); 
			mailMessage.setRecipient(Message.RecipientType.TO, to); 
			// 设置邮件消息的主题 
			mailMessage.setSubject(mailInfo.getSubject()); 
			// 设置邮件消息发送的时间 
			mailMessage.setSentDate(new Date()); 
 
			// MiniMultipart类是一个容器类，包含MimeBodyPart类型的对象 
			Multipart mainPart = new MimeMultipart(); 
			// 创建一个包含HTML内容的MimeBodyPart 
			BodyPart html = new MimeBodyPart(); 
			// 设置HTML内容 
			html.setContent(mailInfo.getContent(), "text/html; charset=GBK"); 
			mainPart.addBodyPart(html); 
			// 为邮件添加附件 
			String[] attachFileNames = mailInfo.getAttachFileNames(); 
			if (attachFileNames != null && attachFileNames.length > 0) { 
				// 存放邮件附件的MimeBodyPart 
				MimeBodyPart attachment = null; 
				File file = null; 
				for (int i = 0; i < attachFileNames.length; i++) { 
					attachment = new MimeBodyPart(); 
					// 根据附件文件创建文件数据源 
					file = new File(attachFileNames[i]); 
					FileDataSource fds = new FileDataSource(file); 
					attachment.setDataHandler(new DataHandler(fds)); 
					// 为附件设置文件名 
					attachment.setFileName(MimeUtility.encodeWord( 
							file.getName(), "GBK", null)); 
					mainPart.addBodyPart(attachment); 
				} 
			} 
			// 将MiniMultipart对象设置为邮件内容 
			mailMessage.setContent(mainPart); 
			// 发送邮件 
			Transport.send(mailMessage); 
			return true; 
 
		} catch (Exception e) { 
			e.printStackTrace(); 
			return false; 
		} 
	} 
 
	public static void main(String[] args) { 
		// 创建邮件信息 
		MailSenderInfo mailInfo = new MailSenderInfo(); 
		mailInfo.setMailServerHost("smtp.sina.com.cn"); 
		mailInfo.setMailServerPort("25"); 
		mailInfo.setValidate(true); 
		mailInfo.setUserName("***"); 
		mailInfo.setPassword("***"); 
		mailInfo.setFromAddress("[email protected]"); 
		mailInfo.setToAddress("[email protected]"); 
		mailInfo.setSubject("MyMail测试"); 
		mailInfo.setContent("我的邮件测试/n/rMy test mail/n/r"); 
 
		String[] fileNames = new String[3]; 
		fileNames[0] = "C:/temp/new.txt"; 
		fileNames[1] = "C:/temp/test.wav"; 
		fileNames[2] = "C:/temp/mary_photo.jpg"; 
		mailInfo.setAttachFileNames(fileNames); 
 
		AttachmentMailSender.sendMail(mailInfo); 
	} 
}