电子邮件系统 3----JavaMail POP3接收邮件示例 .

1. /**
2.  * CrazyItTest
3.  * 使用JavaMail 编写接收邮件示例
4.  */
5. package
6. import
7. import
8. import
9. import
10. import
11. import
12. import
13. import
14. import
15. /**
16.  * @author Bill Tu(tujiyue/iwtxokhtd)
17.  * May 27, 2011[10:04:20 PM]
18.  *
19.  */
20. public class
21. private static final String  PROTOCOL = "pop3";   
22. private static final String  HOST = "pop3.163.com";   
23. private static final String USER = "iwtxokhtd";   
24. private static final String PASS="123456";   
25.       
26. private static
27. new
28. "mail.store.protocol", PROTOCOL);   
29. "mail.pop3.host", HOST);   
30.           
31.         Session session=Session.getDefaultInstance(props);  
32. return
33.     }  
34.       
35.       
36. private static void receiveEmail() throws
37.         Store store=getMailSession().getStore();  
38.         store.connect(HOST,USER,PASS);  
39.           
40. "inbox");//对于POP3协议此参数值只能是inbox 
41. //设置收件夹打开后的读写权限 
42.           
43. int
44. "总共拥有邮件数："+messageCount);   
45.           
46. if(messageCount>0){   
47. //得到所有的邮件 
48. for(int i=0;i<messages.length;i++){   
49.                 Message msg=messages[i];  
50. "第"+(i+1)+"封邮件的主题为："+msg.getSubject()   
51. " ,其发送人地址为："+msg.getFrom()[0]);   
52. "您是否要阅读此邮件？若要请输入yes,否则就输入no:");   
53. new BufferedReader(new
54.                 String input=br.readLine();  
55. if(input!=null && !"".equals(input)   
56. "yes".equals(input.trim())){   
57. //直接输出到控制台,当然也输出到文件中。 
58.                 }  
59.             }  
60.         }  
61. true);//关闭邮件夹对象 
62. //断开连接 
63.           
64.           
65.     }  
66.       
67.       
68.       
69. /**
70.      * @param args
71.      * @throws IOException 
72.      * @throws MessagingException 
73.      */
74. public static void main(String[] args) throws
75.         receiveEmail();  
76.     }  
77. }  
/** * CrazyItTest * 使用JavaMail 编写接收邮件示例 */ package com.labci.javamail.test; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Properties; import javax.mail.Folder; import javax.mail.Message; import javax.mail.MessagingException; import javax.mail.Session; import javax.mail.Store; /** * @author Bill Tu(tujiyue/iwtxokhtd) * May 27, 2011[10:04:20 PM] * */ public class ReceiveEmailTest { private static final String PROTOCOL = "pop3"; private static final String HOST = "pop3.163.com"; private static final String USER = "iwtxokhtd"; private static final String PASS="123456"; private static Session getMailSession(){ Properties props=new Properties(); props.put("mail.store.protocol", PROTOCOL); props.put("mail.pop3.host", HOST); Session session=Session.getDefaultInstance(props); return session; } private static void receiveEmail() throws MessagingException, IOException{ Store store=getMailSession().getStore(); store.connect(HOST,USER,PASS); Folder receiveFolder=store.getFolder("inbox");//对于POP3协议此参数值只能是inbox receiveFolder.open(Folder.READ_WRITE);//设置收件夹打开后的读写权限 int messageCount=receiveFolder.getMessageCount(); System.out.println("总共拥有邮件数："+messageCount); if(messageCount>0){ Message []messages=receiveFolder.getMessages();//得到所有的邮件 for(int i=0;i<messages.length;i++){ Message msg=messages[i]; System.out.println("第"+(i+1)+"封邮件的主题为："+msg.getSubject() +" ,其发送人地址为："+msg.getFrom()[0]); System.out.println("您是否要阅读此邮件？若要请输入yes,否则就输入no:"); BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); String input=br.readLine(); if(input!=null && !"".equals(input) &&"yes".equals(input.trim())){ msg.writeTo(System.out);//直接输出到控制台,当然也输出到文件中。 } } } receiveFolder.close(true);//关闭邮件夹对象 store.close();//断开连接 } /** * @param args * @throws IOException * @throws MessagingException */ public static void main(String[] args) throws MessagingException, IOException { receiveEmail(); } }