Send mail using JavaMail

The code is as follows:

Package demo;





import java.util.Properties;





import Javax.activation.DataHandler;


import Javax.activation.DataSource;


import Javax.activation.FileDataSource;


import Javax.mail.BodyPart;


import Javax.mail.Message;


import Javax.mail.Multipart;


import javax.mail.Session;


import Javax.mail.Transport;


import javax.mail.internet.InternetAddress;


import Javax.mail.internet.MimeBodyPart;


import Javax.mail.internet.MimeMessage;


import Javax.mail.internet.MimeMultipart;





import Sun.misc.BASE64Encoder;





public class MailSender ... {





public static void Main (string[] args) ... {





MailSender sender = new MailSender ();


Sender.sethost ("smtp.sina.com.cn");


sender.setfromaddr ("");


sender.settoaddr ("");


sender.setusername ("wwwwwwww");


Sender.setpassword ("ssssssss");


Sender.settitle ("a few ideas on improving efficiency");


Sender.setattachpath ("C:singleuser.sql");


sender.setattachname ("Singleuser.sql");





Try ... {


Sender.sendmail ();


} catch (Exception e) ... {


E.printstacktrace ();


　　　　}


　　}





public void SendMail () throws Exception ... {





Properties Props = new properties ();


props.put ("Mail.smtp.host", GetHost ());


props.put ("Mail.smtp.auth", "true");


Session session = Session.getdefaultinstance (props);


Session.setdebug (TRUE);


MimeMessage message = new MimeMessage (session);


Message.setfrom (New InternetAddress (GETFROMADDR ()));


message.addrecipient (message.recipienttype.to,new internetaddress (Gettoaddr ()));


Message.setsubject (GetTitle ());


Multipart Multipart = new Mimemultipart ();


bodypart Contentpart = new MimeBodyPart ();


Contentpart.settext ("The details of the message is Here");


multipart. Addbodypart (Contentpart);


if (Getattachpath ()!= null && getattachname ()!= null) ... {


bodypart attachmentpart= New MimeBodyPart ();


DataSource Source = new Filedatasource (Getattachpath ());


Attachmentpart.setdatahandler (new DataHandler (source));


Base64encoder enc = new Base64encoder ();


attachmentpart.setfilename ("=? GBK? B? "+enc.encode (Getattachname (). GetBytes ()) +"? = ");


Multipart.addbodypart (Attachmentpart);


　　　　}


message.setcontent (multipart);


message.savechanges ();


Transport transport = Session.gettransport ("SMTP");


Transport.connect (Host, GetUserName (), GetPassword ());


transport.sendmessage (Message, message.getallrecipients ());


Transport.close ();


　　}





private String host = null;


private String fromaddr = null;


private String toaddr = null;


private String username = null;


private String password = null;


private String title = null;


private String attachpath = null;


private String attachname = null;





public String gethost () ... {


return host;


　　}





public void Sethost (String host) ... {


this.host = host;


　　}





public String getfromaddr () ... {


return fromaddr;


　　}





public void Setfromaddr (String fromaddr) ... {


this.fromaddr = fromaddr;


　　}





public String gettoaddr () ... {


return toaddr;


　　}





public void Settoaddr (String toaddr) ... {


this.toaddr = toaddr;


　　}





public String getusername () ... {


return username;


　　}





public void Setusername (String username) ... {


this.username = Username;


　　}





public String GetPassword () ... {


return password;


　　}





public void SetPassword (String password) ... {


This.password = password;


　　}





public String getTitle () ... {


return title;


　　}





public void Settitle (String title) ... {


this.title = title;


　　}





public String Getattachpath () ... {


return attachpath;


　　}





public void Setattachpath (String attachpath) ... {


This.attachpath = Attachpath;


　　}





public String getattachname () ... {


return attachname;


　　}





public void Setattachname (String attachname) ... {


this.attachname = attachname;


　　}


}