发送邮件的主程序
import java.util.Properties;
import common.util.Email_Autherticatorbean;
import javax.mail.Authenticator;
import javax.mail.internet.InternetAddress;
import org.apache.commons.lang.StringUtils;
import javax.mail.internet.MimeBodyPart;
import javax.mail.Multipart;
import javax.activation.FileDataSource;
import javax.mail.internet.MimeMultipart;
import javax.activation.DataHandler;
import javax.mail.internet.MimeUtility;
import java.util.Date;
/**
* 利用java.mail的邮件发送程序
*/
public class SendMailTest
{
public static void main(String[] args)
{
String title = "titleTest";//所发送邮件的标题
String from ="[email protected]";//从那里发送
String sendTo[] = {"[email protected]","[email protected]"};//发送到那里
//邮件的文本内容，可以包含html标记则显示为html页面
String content = "mail test!!!!!!<br><a href=#>aaa</a>";
//所包含的附件，及附件的重新命名
String fileNames[] = {"F:\\music\\text1.txt,text1.txt","F:\\music\\text2.txt,text2.txt"};
try {
// MailSender mailsender = new MailSender();
sendmail(title, from, sendTo, content, fileNames,"text/html;charset=gb2312");
} catch (Exception ex) { ex.printStackTrace(); }
}
public static void sendmail(String subject, String from, String[] to, String text, String[] filenames,String mimeType) throws Exception
{
//ResourceBundle mailProps = ResourceBundle.getBundle("mail"); 可以从配置文件读取相应的参数
Properties props = new Properties();
String smtp = "smtp.163.com"; //设置发送邮件所用到的smtp
String servername = "sir_znp";
String serverpaswd = "123";
javax.mail.Session mailSession; //邮件会话对象
javax.mail.internet.MimeMessage mimeMsg; //MIME邮件对象
props = java.lang.System.getProperties(); //获得系统属性对象
props.put("mail.smtp.host", smtp); //设置SMTP主机
props.put("mail.smtp.auth", "true"); //是否到服务器用户名和密码验证
//到服务器验证发送的用户名和密码是否正确
Email_Autherticatorbean myEmailAuther = new Email_Autherticatorbean(servername, serverpaswd);
//设置邮件会话
mailSession = javax.mail.Session.getInstance(props, (Authenticator) myEmailAuther);
//设置传输协议
javax.mail.Transport transport = mailSession.getTransport("smtp");
//设置from、to等信息
mimeMsg = new javax.mail.internet.MimeMessage(mailSession);
if (!StringUtils.isEmpty(from))
{
InternetAddress sentFrom = new InternetAddress(from);
mimeMsg.setFrom(sentFrom); //设置发送人地址
}
InternetAddress[] sendTo = new InternetAddress[to.length];
for (int i = 0; i < to.length; i++)
{
System.out.println("发送到:" + to[i]);
sendTo[i] = new InternetAddress(to[i]);
}
mimeMsg.setRecipients(javax.mail.internet.MimeMessage.RecipientType.TO, sendTo);
mimeMsg.setSubject(subject, "gb2312");
MimeBodyPart messageBodyPart1 = new MimeBodyPart();
//messageBodyPart.setText(UnicodeToChinese(text));
messageBodyPart1.setContent(text, mimeType);
Multipart multipart = new MimeMultipart();//附件传输格式
multipart.addBodyPart(messageBodyPart1);
for (int i = 0; i < filenames.length; i++) {
MimeBodyPart messageBodyPart2 = new MimeBodyPart();
//选择出每一个附件名
String filename = filenames[i].split(",")[0];
System.out.println("附件名：" + filename);
String displayname = filenames[i].split(",")[1];
//得到数据源
FileDataSource fds = new FileDataSource(filename);
//得到附件本身并至入BodyPart
messageBodyPart2.setDataHandler(new DataHandler(fds));
//得到文件名同样至入BodyPart
//messageBodyPart2.setFileName(displayname);
// messageBodyPart2.setFileName(fds.getName());
messageBodyPart2.setFileName(MimeUtility.encodeText(displayname));
multipart.addBodyPart(messageBodyPart2);
}
mimeMsg.setContent(multipart);
//设置信件头的发送日期
mimeMsg.setSentDate(new Date());
mimeMsg.saveChanges();
//发送邮件
transport.send(mimeMsg);
transport.close();
}
}
验证类
package common.util;
import javax.mail.Authenticator;
import javax.mail.PasswordAuthentication;
public class Email_Autherticatorbean extends Authenticator
{
private String m_username = null;
private String m_userpass = null;
public void setUsername(String username)
{
m_username = username;
}
public void setUserpass(String userpass)
{
m_userpass = userpass;
}
public Email_Autherticatorbean(String username, String userpass)
{
super();
setUsername(username);
setUserpass(userpass);
}
public PasswordAuthentication getPasswordAuthentication()
{
return new PasswordAuthentication(m_username,m_userpass);
}
} 
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