Java tutorial
/****************************************************************************** * @File name : EmailSenderUtil.java * * @Author : Administrator * * @Date : 2016518 * * @Copyright Notice: * Copyright (c) 2020 Niklaus Mikaelson, Inc. All Rights Reserved. * This software is published under the terms of the Niklaus Mikaelson Software * License version 1.0, a copy of which has been included with this * distribution in the LICENSE.txt file. * * * ---------------------------------------------------------------------------- * Date Who Version Comments * 2016518?10:14:55 Administrator 1.0 Initial Version **************************************************************************************/ package julie.com.mikaelson.util; import java.text.SimpleDateFormat; import java.util.Date; import java.util.List; import javax.mail.MessagingException; import javax.mail.internet.MimeMessage; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.mail.MailException; import org.springframework.mail.javamail.JavaMailSenderImpl; import org.springframework.mail.javamail.MimeMessageHelper; /** * */ public class EmailSenderUtil { private static JavaMailSenderImpl javaMail; @Autowired private static EmailConfig emailConfig; static { javaMail = new JavaMailSenderImpl(); javaMail.setHost(emailConfig.getServerHost()); javaMail.setPort(emailConfig.getServerPort()); javaMail.setProtocol(emailConfig.getProtocol()); javaMail.setUsername(emailConfig.getUsername()); javaMail.setPassword(emailConfig.getPassword()); } /*public static void main(String[] args) { * for(int i=0;i<20;i++) { ThreadTest ii = new ThreadTest(); * System.out.println * (ii.getId()+"invoked "+System.currentTimeMillis()); ii.start(); } String[] toList = new String[1]; toList[0] = "love20141002@126.com"; for (int i = 0; i < 20; i++) { new Runnable() { public void run() { // try { long start = System.currentTimeMillis(); System.out.println("invoked =============== " + System.currentTimeMillis()); sendEmail(toList, "hello wolrd"); // Thread.sleep(10*1l); System.out.println("total time is " + (System.currentTimeMillis() - start)); // } catch (InterruptedException e) { // e.printStackTrace(); // } } }.run(); System.out.println("============================================"); } }*/ synchronized public static boolean sendEmail(String[] toList, String content) { boolean result = false; MimeMessage message = javaMail.createMimeMessage(); MimeMessageHelper messageHelp; try { long start = System.currentTimeMillis(); System.out.println("sendEmail invoked "); messageHelp = new MimeMessageHelper(message, true, "UTF-8"); messageHelp.setFrom(emailConfig.getFrom()); messageHelp.setTo(toList); messageHelp.setSubject("Test"); String body = content + new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()); messageHelp.setText(body, true); javaMail.send(message); System.out.println("send total time is" + (System.currentTimeMillis() - start)); Thread.sleep(10 * 1000l); } catch (MailException e) { e.printStackTrace(); } catch (MessagingException e) { e.printStackTrace(); } catch (InterruptedException e) { e.printStackTrace(); } return result; } public static boolean sendEmail(List<String> toList, List<String> ccList, String content) { boolean result = false; return result; } public static boolean sendEmail(List<String> toList, List<String> ccList, List<String> bccList, String content) { boolean result = false; return result; } }