发送邮件

package org.shfft.fq.mail;

import java.io.UnsupportedEncodingException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.MessagingException;
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 javax.mail.internet.MimeUtility;

public class EmailManager {

private Properties props; //系统属性
private Session session; //邮件会话对象
private MimeMessage mimeMsg; //MIME邮件对象
private Multipart mp; //Multipart对象,邮件内容,标题,附件等内容均添加到其中后再生成MimeMessage对象

/**
* Constructor
* @param smtp 邮件发送服务器
*/
public EmailManager(){
props = System.getProperties();
props.put("mail.smtp.auth","false");
session = Session.getDefaultInstance(props, null);
session.setDebug(true);
mimeMsg = new MimeMessage(session);
mp = new MimeMultipart();
}

/**
* Constructor
* @param smtp 邮件发送服务器
*/
public EmailManager(String smtp, String username, String password){
props = System.getProperties();
props.put("mail.smtp.auth","true");
props.put("mail.smtp.host", smtp);
props.put("username", username);
props.put("password", password);
//
session = Session.getDefaultInstance(props, null);
session.setDebug(true);
mimeMsg = new MimeMessage(session);
mp = new MimeMultipart();
}

/**
* 发送邮件
*/
public boolean sendMail(String from, String[] to, String[] copyto, String subject, String content, String filename) {
try {
//设置发信人
mimeMsg.setFrom(new InternetAddress(from));
//设置接收人
for (int i = 0; i < to.length; i++) {
mimeMsg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to[i]));
}
//设置抄送人
for (int i = 0; i < copyto.length; i++) {
mimeMsg.setRecipients(Message.RecipientType.CC, InternetAddress.parse(copyto[i]));
}
//设置主题
mimeMsg.setSubject(subject);
//设置正文
BodyPart bp = new MimeBodyPart();
bp.setContent(content, "text/html;charset=utf-8");
mp.addBodyPart(bp);
//设置附件
if(!filename.equals("")||!filename.equals(null)){
System.out.println("没有附件");
}else{
bp = new MimeBodyPart();
FileDataSource fileds = new FileDataSource(filename);
bp.setDataHandler(new DataHandler(fileds));
bp.setFileName(MimeUtility.encodeText(fileds.getName(),"UTF-8","B"));
mp.addBodyPart(bp);
}
mimeMsg.setContent(mp);
mimeMsg.saveChanges();
//发送邮件
if(props.get("mail.smtp.auth").equals("true")){
Transport transport = session.getTransport("smtp");
transport.connect((String)props.get("mail.smtp.host"), (String)props.get("username"), (String)props.get("password"));
transport.sendMessage(mimeMsg, mimeMsg.getRecipients(Message.RecipientType.TO));
transport.sendMessage(mimeMsg, mimeMsg.getRecipients(Message.RecipientType.CC));
transport.close();
}else{
Transport.send(mimeMsg);
}
System.out.println("邮件发送成功");
} catch (MessagingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return true;
}

public static void main(String[] args){
String smtp = "smtp.163.com";
String username="xxxxxx@163.com";
String password="xxxxxxx";
String from = "xxxxxxxxx@163.com";
String[] to = {"xxxxxxxxxx@qq.com"};
String[] copyto = {"xxxxxxxx@qq.com"};
String subject = "报告";

SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
String date = sdf.format(new Date());
String content = date + "测试报告";

String filename = "H:\1.png";
//String filename = "";
EmailManager email = new EmailManager(smtp, username, password);
email.sendMail(from, to, copyto, subject, content, filename);
}

}