java Email 的发送

 需要的jar包

mail.jar

activation.jar

下载地址http://java.sun.com/products/javamail/downloads/index.html

 

一、纯文本发送

1. import java.util.Date;
2. import java.util.Properties;
4. import javax.mail.Message；
5. import javax.mail.Session;
6. import javax.mail.Transport;
7. import javax.mail.internet.InternetAddress;
8. import javax.mail.internet.MimeMessage;
11. public class SimpleTextEmail {
12.     private String smtpServer;//email接收者的服务器地址 
13.     private String from;//发送者的email地址 注意要带有@,或正确的email地址，否则会出现异常 
14.     private String to;//接收者的email地址 
15.     private String subject;//email标题 
16.     private String body;//email正文 
17.     
18.     public SimpleTextEmail(String smtp,String from,String to,String subject,String body){
19.         this.smtpServer=smtp;
20.         this.from=from;
21.         this.to=to;
22.         this.subject=subject;
23.         this.body=body;
24.     }
25.     public void sendEmail(){
26.         try {
27.               //设置smtp
28.               Properties props = System.getProperties();
29.               props.put("mail.smtp.host", smtpServer);
30.               
31.               //Session类定义了基本的邮件会话
32.               Session session = Session.getDefaultInstance(props, null);
33.               
34.               Message msg = new MimeMessage(session);
35.               
36.               msg.setFrom(new InternetAddress(from));//设置发送者的email
37.               
38.               msg.setRecipients(Message.RecipientType.TO,InternetAddress.parse(to, false));
39.               //设置接收者
40.               
41.               msg.setSubject(subject);//设置email标题
42.               
43.               msg.setText(body);//设置email正文              
44.              
45.               msg.setSentDate(new Date());设置email发送的日期
46.               
47.               Transport.send(msg);//发送email
48.         
49.         } catch(SendFailedException e){
50.             e.printStackTrace(); //接收者的email地址错误     
51.         } catch(MessagingException e){
52.             e.printStackTrace(); //smptServer地址错误
53.         } catch (Exception e) {
54.             e.printStackTrace();
55.         }
56.     }
57. }

二、带附件的发送

1. import java.util.Date;
2. import java.util.Properties;
4. import javax.mail.Message；
5. import javax.mail.Session;
6. import javax.mail.Transport;
7. import javax.mail.internet.InternetAddress;
8. import javax.mail.internet.MimeMessage;
11. public class SimpleTextEmail {
12.     private String smtpServer;//email接收者的服务器地址  
13.     private String from;//发送者的email地址 注意要带有@,或正确的email地址，否则会出现异常  
14.     private String to;//接收者的email地址  
15.     private String subject;//email标题  
16.     private String body;//email正文  
17.     private String selectFileString;//附件的地址
18.     
19.     public SimpleTextEmail(String smtp,String from,String to,String subject,String body, String file){
20.         this.smtpServer=smtp;
21.         this.from=from;
22.         this.to=to;
23.         this.subject=subject;
24.         this.body=body;
25.         this.selectFileString=file;
26.     }
27.     public void sendEmail(){
28.         try {
29.               //设置smtp 
30.               Properties props = System.getProperties();
31.               props.put("mail.smtp.host", smtpServer);
32.               
33.               //Session类定义了基本的邮件会话 
34.                 Session session = Session.getDefaultInstance(props, null);
35.               
36.               Message msg = new MimeMessage(session);
37.               
38.               msg.setFrom(new InternetAddress(from));//设置发送者的email 
39.               
40.               msg.setRecipients(Message.RecipientType.TO,InternetAddress.parse(to, false));
41.               //设置接收者 
42.               
43.                 msg.setSubject(subject);//设置email标题 
44.               
45.                 BodyPart messageBodyPart=new MimeBodyPart();
46.             //Fill the message 
47.           messageBodyPart.setText(BODY);
48.           Multipart multipart=new MimeMultipart();
49.           multipart.addBodyPart(messageBodyPart);
50.           //配置附件          
51.               messageBodyPart=new MimeBodyPart();
52.           DataSource source=new FileDataSource(selectFileString);
53.           messageBodyPart.setDataHandler(new DataHandler(source));//添加附件
54.           messageBodyPart.setFileName(source.getName());//设置附件名 
55.           multipart.addBodyPart(messageBodyPart);
56.             
57.           msg.setContent(multipart);
58.           Transport.send(msg); //发送       
59.         } catch(SendFailedException e){
60.             e.printStackTrace(); //接收者的email地址错误      
61.         } catch(MessagingException e){
62.             e.printStackTrace(); //smptServer地址错误 
63.         } catch (Exception e) {
64.             e.printStackTrace();
65.         }
66.     }
67. }