java发送邮件带附件

1. mport java.io.File;  
2. import java.util.Date;  
3. import java.util.Properties;  
4.   
5. import javax.activation.DataHandler;  
6. import javax.activation.DataSource;  
7. import javax.activation.FileDataSource;  
8. import javax.mail.BodyPart;  
9. import javax.mail.Message;  
10. import javax.mail.Multipart;  
11. import javax.mail.Session;  
12. import javax.mail.Transport;  
13. import javax.mail.internet.InternetAddress;  
14. import javax.mail.internet.MimeBodyPart;  
15. import javax.mail.internet.MimeMessage;  
16. import javax.mail.internet.MimeMultipart;  
17.   
18. public class AnnexMailService {  
19.       
20.     public static boolean sendMail(String subject, String toMail,  
21.             String content, String... files) {  
22.         boolean isFlag = false;  
23.         try {  
24.   
25.             String smtpFromMail = "[e-mail]";  //账号  
26.             String pwd = "huangfei"; //密码  
27.             int port = 25; //端口  
28.             String host = "smtp.qq.com"; //端口  
29.   
30.             Properties props = new Properties();  
31.             props.put("mail.smtp.host", host);  
32.             props.put("mail.smtp.auth", "true");  
33.             Session session = Session.getDefaultInstance(props);  
34.             session.setDebug(false);  
35.   
36.             MimeMessage message = new MimeMessage(session);  
37.             try {  
38.                 message.setFrom(new InternetAddress(smtpFromMail, "QQ邮件测试"));  
39.                 message.addRecipient(Message.RecipientType.TO,  
40.                         new InternetAddress(toMail));  
41.                 message.setSubject(subject);  
42.                 message.addHeader("charset", "UTF-8");  
43.                   
44.                 /*添加正文内容*/  
45.                 Multipart multipart = new MimeMultipart();  
46.                 BodyPart contentPart = new MimeBodyPart();  
47.                 contentPart.setText(content);  
48.   
49.                 contentPart.setHeader("Content-Type", "text/html; charset=GBK");  
50.                 multipart.addBodyPart(contentPart);  
51.                   
52.                 /*添加附件*/  
53.                 for (String file : files) {  
54.                     File usFile = new File(file);  
55.                     MimeBodyPart fileBody = new MimeBodyPart();  
56.                     DataSource source = new FileDataSource(file);  
57.                     fileBody.setDataHandler(new DataHandler(source));  
58.                     sun.misc.BASE64Encoder enc = new sun.misc.BASE64Encoder();  
59.                     fileBody.setFileName("=?GBK?B?"  
60.                             + enc.encode(usFile.getName().getBytes()) + "?=");  
61.                     multipart.addBodyPart(fileBody);  
62.                 }  
63.   
64.                 message.setContent(multipart);  
65.                 message.setSentDate(new Date());  
66.                 message.saveChanges();  
67.                 Transport transport = session.getTransport("smtp");  
68.   
69.                 transport.connect(host, port, smtpFromMail, pwd);  
70.                 transport.sendMessage(message, message.getAllRecipients());  
71.                 transport.close();  
72.                 isFlag = true;  
73.             } catch (Exception e) {  
74.                 isFlag = false;  
75.             }  
76.         } catch (Exception e) {  
77.             e.printStackTrace();  
78.         }  
79.         return isFlag;  
80.     }  
81.   
82.     public static void main(String[] args) {  
83.         AnnexMailService.sendMail("你好", "[e-mail]", "朋友好久不见" ,   
84.                 "C:/中文.jpg");