邮件发送

import java.io.File;
import java.util.Date;
import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.Multipart;
import javax.mail.PasswordAuthentication;
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 javax.mail.internet.MimeUtility;

public class EmailSender {
private static final String charset = "GBK";
private static final String defaultMimetype = "text/plain";

public static void main(String[] args) throws Exception {
EmailSender.send(new String[]{"2345678@qq.com"}, "邮件测试xx", "<b>这是个测试</b>", null , "text/html");
}

/**
* 发送邮件
* @param receivers 收件人
* @param subject 标题
* @param mailContent 邮件内容
* @param attachements 附件
* @param mimetype 内容类型 默认为text/plain,如果要发送HTML内容,应设置为text/html
*/
public static void send(String[] receivers, String subject, String mailContent, File[] attachements, String mimetype) {
Properties props = new Properties();
props.put("mail.smtp.host", "smtp.qq.com");//smtp服务器地址 sohu
props.put("mail.smtp.auth", "true");//需要校验
Session session = Session.getDefaultInstance(props, new Authenticator() {
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication("854334592","12345678");//登录用户名/密码
}
});
session.setDebug(true);
try {
MimeMessage mimeMessage = new MimeMessage(session);
mimeMessage.setFrom(new InternetAddress("854334592@qq.com"));//发件人邮箱

InternetAddress[] toAddress = new InternetAddress[receivers.length];
for (int i=0; i<receivers.length; i++) {
toAddress[i] = new InternetAddress(receivers[i]);
}
mimeMessage.setRecipients(Message.RecipientType.TO, toAddress);//收件人邮件
mimeMessage.setSubject(subject, charset);

Multipart multipart = new MimeMultipart();
//正文
MimeBodyPart body = new MimeBodyPart();
// body.setText(message, charset);不支持html
body.setContent(mailContent, (mimetype!=null && !"".equals(mimetype) ? mimetype : defaultMimetype)+ ";charset="+ charset);
multipart.addBodyPart(body);//发件内容
//附件
if(attachements!=null){
for (File attachement : attachements) {
MimeBodyPart attache = new MimeBodyPart();
//ByteArrayDataSource bads = new ByteArrayDataSource(byte[],"application/x-any");
attache.setDataHandler(new DataHandler(new FileDataSource(attachement)));
String fileName = getLastName(attachement.getName());
attache.setFileName(MimeUtility.encodeText(fileName, charset, null));
multipart.addBodyPart(attache);
}
}
mimeMessage.setContent(multipart);
// SimpleDateFormat formcat = new SimpleDateFormat("yyyy-MM-dd");
mimeMessage.setSentDate(new Date());//formcat.parse("2010-5-23")
Transport.send(mimeMessage);
} catch (Exception e) {
e.printStackTrace();
}
}

private static String getLastName(String fileName) {
int pos = fileName.lastIndexOf("\\");
if (pos > -1) {
fileName = fileName.substring(pos + 1);
}
pos = fileName.lastIndexOf("/");
if (pos > -1) {
fileName = fileName.substring(pos + 1);
}
return fileName;
}
}