JAVA邮件接收

JAVA邮件接收 import java.util.Properties; import javax.mail.Flags; import javax.mail.Folder; import javax.mail.Message; import javax.mail.Session; import javax.mail.Store; import javax.mail.URLName; //import com.sun.mail.pop3.POP3Folder; import com.sun.mail.imap.*; /** * 使用pop3协议获取未读邮件数 * */ class Email3 { public static void main(String[] args) throws Exception { String user = "zhui@xupt.edu.cn";// 邮箱的用户名 String password = "*********"; // 邮箱的密码 Properties prop = System.getProperties(); prop.put("mail.store.protocol", "pop3"); prop.put("mail.pop3.host", "webmail.xupt.edu.cn"); //222.24.19.131 IMAP /* Session session = Session.getInstance(prop); session.setDebug(true); Store store = (Store) session.getStore("pop3"); // 使用imap会话机制，连接服务器 store.connect("pop.qq.com", user, password); */ URLName url = new URLName("pop3", "webmail.xupt.edu.cn", 110, "INBOX", "帐号", "密码"); Session session = Session.getInstance(prop, null); session.setDebug(true); Store store = session.getStore(url); store.connect(); Folder folder = (Folder) store.getFolder("INBOX"); // 收件箱 //folder.open(Folder.READ_WRITE); folder.open(Folder.READ_ONLY); // 获取总邮件数 int total = 0; total = folder.getMessageCount(); //total = folder.getUnreadMessageCount(); //total = folder.getNewMessageCount(); System.out.println("-----------------共有未读邮件:" + total + " 封--------------"); System.out.println("-----------------共有已读邮件:" + folder.getUnreadMessageCount() + " 封--------------"); System.out.println("-----------------共有新邮件:" + folder.getNewMessageCount() + " 封--------------"); // 得到收件箱文件夹信息，获取邮件列 //System.out.println("未读邮件数:" + folder.getUnreadMessageCount()); Message[] messages = folder.getMessages(); int messageNumber = 0; for (Message message : messages) { System.out.println("发送时间:" + message.getSentDate()); System.out.println("主题:" + message.getSubject()); //System.out.println("内容:" + message.getContent()); Flags flags = message.getFlags(); if (flags.contains(Flags.Flag.SEEN)) System.out.println("这是一封已读邮件"); else { System.out.println("未读邮件"); } System.out.println("==================================================== ===="); System.out.println("==================================================== ===="); //每封邮件都有一个MessageNumber，可以通过邮件的MessageNumber在收件 箱里面取得该邮件 messageNumber = message.getMessageNumber(); Message msg = folder.getMessage(messageNumber); //System.out.println(msg.getContent()+msg.getContentType()); } // 释放资源 if (folder != null) folder.close(false); if (store != null) store.close(); } }