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| 得到附件文件名称 |
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import java.util.Properties;
import javax.mail.Authenticator;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.Part;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.URLName;
import javax.mail.internet.InternetAddress;
public class MainClass {
public static void main(String[] args) throws Exception {
URLName server = new URLName("protocol://username@host/foldername");
Session session = Session.getDefaultInstance(new Properties(), new MailAuthenticator());
Folder folder = session.getFolder(server);
if (folder == null) {
System.out.println("Folder " + server.getFile() + " not found.");
System.exit(1);
}
folder.open(Folder.READ_ONLY);
Message[] messages = folder.getMessages();
for (int i = 0; i < messages.length; i++) {
System.out.println(messages[i].getSize() + " bytes long.");
System.out.println(messages[i].getLineCount() + " lines.");
String disposition = messages[i].getDisposition();
if (disposition == null){
; // do nothing
}else if (disposition.equals(Part.INLINE)) {
System.out.println("This part should be displayed inline");
} else if (disposition.equals(Part.ATTACHMENT)) {
System.out.println("This part is an attachment");
String fileName = messages[i].getFileName();
System.out.println("The file name of this attachment is " + fileName);
}
String description = messages[i].getDescription();
if (description != null) {
System.out.println("The description of this message is " + description);
}
}
folder.close(false);
}
}
class MailAuthenticator extends Authenticator {
public MailAuthenticator() {
}
public PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication("username", "password");
}
}
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 JavaMailGetAttachmentFileName.zip( 2,322 k) |
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