package com.test;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.*;
import javax.mail.internet.*;
import java.io.File;
import java.io.UnsupportedEncodingException;
import java.util.Properties;
/**
* 邮件管理器
* java 实现邮件的发送, 抄送及多附件
*
* @author zmq
* @version 1.0
* @created at (实现腾讯企业邮箱)
*/
public class EmailManager {
public static String username = "zhangmqt@dcfcs.com"; // 服务邮箱(from邮箱)
public static String password = "xxxxxxxxxx"; // 邮箱密码(这里的密码为第三方授权码)
public static String senderNick = "zhangmqt@dcfcs.com"; // 发件人昵称
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
private static EmailManager instance = null;
public EmailManager() {
props = System.getProperties();
props.put("mail.smtp.auth", "true");
props.put("mail.transport.protocol", "smtp");
// props.put("mail.smtp.host", "smtp.163.com");
props.put("mail.smtp.host", "smtp.exmail.qq.com");
// props.put("mail.smtp.port", "25");
props.put("mail.smtp.port", "587");
props.put("username", username);
props.put("password", password);
// 建立会话
session = Session.getDefaultInstance(props);
session.setDebug(true);
}
public static EmailManager getInstance() {
if (instance == null) {
instance = new EmailManager();
}
return instance;
}
/**
* 发送邮件
*
* @param from 发件人
* @param to 收件人
* @param copyto 抄送
* @param subject 主题
* @param content 内容
* @param fileList 附件列表
* @return
*/
public boolean sendMail(String from, String[] to, String[] copyto, String subject, String content, String[] fileList) {
boolean success = true;
try {
mimeMsg = new MimeMessage(session);
mp = new MimeMultipart();
// 自定义发件人昵称
String nick = "";
try {
nick = javax.mail.internet.MimeUtility.encodeText(senderNick);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
// 设置发件人
mimeMsg.setFrom(new InternetAddress(from));
//mimeMsg.setFrom(new InternetAddress(from, nick));
// 设置收件人
if (to != null && to.length > 0) {
String toListStr = getMailList(to);
mimeMsg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(toListStr));
}
// 设置抄送人
if (copyto != null && copyto.length > 0) {
String ccListStr = getMailList(copyto);
mimeMsg.setRecipients(Message.RecipientType.CC, InternetAddress.parse(ccListStr));
}
// 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 (fileList != null && fileList.length > 0) {
for (int i = 0; i < fileList.length; i++) {
bp = new MimeBodyPart();
FileDataSource fds = new FileDataSource(fileList[i]);
bp.setDataHandler(new DataHandler(fds));
bp.setFileName(MimeUtility.encodeText(fds.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.sendMessage(mimeMsg, mimeMsg.getAllRecipients());
transport.close();
} else {
Transport.send(mimeMsg);
}
System.out.println("邮件发送成功");
} catch (MessagingException e) {
e.printStackTrace();
success = false;
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
success = false;
}
return success;
}
public String getMailList(String[] mailArray) {
StringBuffer toList = new StringBuffer();
int length = mailArray.length;
if (mailArray != null && length < 2) {
toList.append(mailArray[0]);
} else {
for (int i = 0; i < length; i++) {
toList.append(mailArray[i]);
if (i != (length - 1)) {
toList.append(",");
}
}
}
return toList.toString();
}
public static void main(String[] args) {
//// JavaMailWithAttachment se = new JavaMailWithAttachment(true);
// File affix = new File("D:\\项目管理old\\农商\\项目管理\\上汽安吉商业保理\\会议纪要\\周报\\上汽安吉商业保理有限公司对接人行二代征信系统一体化项目工作周报20220422.docx");
// se.doSendHtmlEmail("邮件主题", "邮件内容", "1585958965@qq.com", affix);//
// se.doSendHtmlTwoEmail("邮件主题", "邮件内容", "1585958965@qq.com", affix, affix, affix);
String from = username; //发件人
String[] to = {"1585958965@qq.com"}; //收件人账号
String[] copyto = {"dongbingt@dcfcs.com","dongbing@swotech.com"}; //抄送
String subject = "上汽安吉商业保理有限公司对接人行二代征信系统一体化项目工作周报"; //主题
String content = "贾总,您好,附件是本周进度汇报,请您审阅!"; //内容
String[] fileList = new String[3]; //附件列表
fileList[0] = "D:\\项目管理old\\农商\\项目管理\\上汽安吉商业保理\\会议纪要\\周报\\上汽安吉商业保理有限公司对接人行二代征信系统一体化项目工作周报20220422.docx";
fileList[1] = "D:\\项目管理old\\农商\\项目管理\\上汽安吉商业保理\\会议纪要\\周报\\安吉保理二代企业征信报送--征信实施计划——更新.xlsx";
fileList[2] = "D:\\项目管理old\\农商\\项目管理\\上汽安吉商业保理\\会议纪要\\周报\\上汽安吉商业保理有限公司对接人行二代征信系统一体化项目待解决问题清单.xlsx";
EmailManager.getInstance().sendMail(from, to, copyto, subject, content, fileList);
}
}