Java发邮件代码

Java发邮件代码
package mail;
import java.io.IOException;
import java.util.Properties;
import javax.mail.Authenticator;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.mail.internet.MimeUtility;
import javax.mail.internet.MimeMessage.RecipientType;
import org.junit.Test;
public class MailTest {
//发送纯文本邮件
@Test
public void fun1() throws AddressException, MessagingException{ Properties prop = new Properties();
prop.setProperty("mail.host", "");
prop.setProperty("mail.smtp.auth", "true");
Authenticator auth = new Authenticator() {
@Override
protected PasswordAuthentication getPasswordAuthentication() {
/*帐号为邮箱帐号，密码为邮箱密码，用邮箱密码时可能会报错，
如果报错，将密码换成授权码即可，授权码是用来登录邮件客户端的。

建议用163邮箱测试，如果是QQ邮箱，测试前要开启
SMTP服务，默认是关闭的*/
return new PasswordAuthentication("帐号","密码");
}
};
Session session = Session.getInstance(prop, auth);
MimeMessage msg = new MimeMessage(session);
msg.setFrom(new InternetAddress("发件人地址"));//如abc@ msg.setRecipients(RecipientType.TO, "收件人地址");
msg.setSubject("测试邮件");
msg.setContent("该封为测试邮件，请忽略！", "text/html;charset=utf-8");
Transport.send(msg);
}
//发送带附件的邮件
@Test
public void fun2() throws AddressException, MessagingException, IOException{
Properties prop = new Properties();
prop.setProperty("mail.host", "");
prop.setProperty("mail.smtp.auth", "true");
Authenticator auth = new Authenticator() {
@Override
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication("帐号","密码");
}
};
Session session = Session.getInstance(prop, auth);
MimeMessage msg = new MimeMessage(session);
msg.setFrom(new InternetAddress("发件人地址"));
msg.setRecipients(RecipientType.TO, "收件人地址");
msg.setSubject("测试邮件");
MimeMultipart list = new MimeMultipart();
MimeBodyPart part1 = new MimeBodyPart();
part1.setContent("带附件的邮件测试，请忽略此封邮件~", "text/html;charset=utf-8");
list.addBodyPart(part1);
MimeBodyPart part2 = new MimeBodyPart();
part2.attachFile("D:\\Test\\0.jpg");
//设置文件名并处理中文乱码
part2.setFileName(MimeUtility.encodeText("测试.jpg"));
list.addBodyPart(part2);
msg.setContent(list);
Transport.send(msg);
}
}。