java 邮件发送

package com.xxl.job.admin.core.util;

import org.apache.commons.lang.ArrayUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.JavaMailSenderImpl;
import org.springframework.mail.javamail.MimeMessageHelper;

import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeUtility;
import java.io.File;
import java.util.Properties;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

/**
 * 邮件发送.Util
 * 
 */
public class MailUtil {
 private static Logger logger = LoggerFactory.getLogger(MailUtil.class);
 
 private static String host;
 private static String port;
 private static String username;
 private static String password;
 private static String sendFrom;
 private static String sendNick;
 static{
  host = PropertiesUtil.getString("mail.host");
  port = PropertiesUtil.getString("mail.port");
  username = PropertiesUtil.getString("mail.username");
  password = PropertiesUtil.getString("mail.password");
  sendFrom = PropertiesUtil.getString("mail.sendFrom");
  sendNick = PropertiesUtil.getString("mail.sendNick");
 }
 
 /**
 <!-- spring mail sender -->
 <bean id="javaMailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl"  scope="singleton" >
  <property name="host" value="${mail.host}" />   <!-- SMTP发送邮件的服务器的IP和端口 -->
  <property name="port" value="${mail.port}" />
  <property name="username" value="${mail.username}" /> <!-- 登录SMTP邮件发送服务器的用户名和密码 -->
  <property name="password" value="${mail.password}" />
  <property name="javaMailProperties">     <!-- 获得邮件会话属性,验证登录邮件服务器是否成功 -->
   <props>
    <prop key="mail.smtp.auth">true</prop>
    <prop key="prop">true</prop>
    <!-- <prop key="mail.smtp.timeout">25000</prop> -->
   </props>
  </property>
 </bean>
  */
 /**
  * 发送邮件 (完整版)(结合Spring)
  *
  * //@param javaMailSender: 发送Bean
  * //@param sendFrom  : 发送人邮箱
  * //@param sendNick  : 发送人昵称
  * @param toAddress  : 收件人邮箱
  * @param mailSubject : 邮件主题
  * @param mailBody  : 邮件正文
  * @param mailBodyIsHtml: 邮件正文格式,true:HTML格式;false:文本格式
  * @param attachments : 附件
  */
 @SuppressWarnings("null")
 public static boolean sendMailSpring(String toAddress, String mailSubject, String mailBody, boolean mailBodyIsHtml,File[] attachments) {
  JavaMailSender javaMailSender = null;//ResourceBundle.getInstance().getJavaMailSender();
  try {
   MimeMessage mimeMessage = javaMailSender.createMimeMessage();
   MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, ArrayUtils.isNotEmpty(attachments), "UTF-8"); // 设置utf-8或GBK编码，否则邮件会有乱码;multipart,true表示文件上传
   
   helper.setFrom(sendFrom, sendNick);
   helper.setTo(toAddress);

   // 设置收件人抄送的名片和地址(相当于群发了)
   //helper.setCc(InternetAddress.parse(MimeUtility.encodeText("邮箱001") + " <@163.com>," + MimeUtility.encodeText("邮箱002") + " <@foxmail.com>"));

   helper.setSubject(mailSubject);
   helper.setText(mailBody, mailBodyIsHtml);
   
   // 添加附件
   if (ArrayUtils.isNotEmpty(attachments)) {
    for (File file : attachments) {
     helper.addAttachment(MimeUtility.encodeText(file.getName()), file); 
    }
   }
   
   // 群发
   //MimeMessage[] mailMessages = { mimeMessage };
   
   javaMailSender.send(mimeMessage);
   return true;
  } catch (Exception e) {
   logger.info("{}", e);
  }
  return false;
 }
 
 /**
  * 发送邮件 (完整版) (纯JavaMail)
  *
  * @param toAddress  : 收件人邮箱
  * @param mailSubject : 邮件主题
  * @param mailBody  : 邮件正文
  * @param mailBodyIsHtml: 邮件正文格式,true:HTML格式;false:文本格式
  * //@param inLineFile : 内嵌文件
  * @param attachments : 附件
  */
 public static boolean sendMail (String toAddress, String mailSubject, String mailBody,
   boolean mailBodyIsHtml, File[] attachments){
        try {
   // 创建邮件发送类 JavaMailSender (用于发送多元化邮件，包括附件，图片，html 等    )
         JavaMailSenderImpl mailSender = new JavaMailSenderImpl();
         mailSender.setHost(host);    // 设置邮件服务主机   
         mailSender.setUsername(username);  // 发送者邮箱的用户名   
         mailSender.setPassword(password);  // 发送者邮箱的密码   
   //配置文件，用于实例化java.mail.session   
   Properties pro = new Properties();
   pro.put("mail.smtp.ssl.enable", "true"); 
//   pro.put("mail.smtp.auth", "true");  // 登录SMTP服务器,需要获得授权 (网易163邮箱新近注册的邮箱均不能授权,测试 sohu 的邮箱可以获得授权)
   pro.put("mail.smtp.socketFactory.port", port);
   pro.put("mail.smtp.socketFactory.fallback", "false");
   mailSender.setJavaMailProperties(pro);
   
   //创建多元化邮件 (创建 mimeMessage 帮助类，用于封装信息至 mimeMessage)
   MimeMessage mimeMessage = mailSender.createMimeMessage();      
   MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, ArrayUtils.isNotEmpty(attachments), "UTF-8");
   
   helper.setFrom(sendFrom, sendNick);
   helper.setTo(toAddress);

   helper.setSubject(mailSubject);
   helper.setText(mailBody, mailBodyIsHtml);
   
   // 添加内嵌文件，第1个参数为cid标识这个文件,第2个参数为资源
   //helper.addInline(MimeUtility.encodeText(inLineFile.getName()), inLineFile); 
   
   // 添加附件   
   if (ArrayUtils.isNotEmpty(attachments)) {
    for (File file : attachments) {
     helper.addAttachment(MimeUtility.encodeText(file.getName()), file); 
    }
   }
   
   mailSender.send(mimeMessage);
   return true;
  } catch (Exception e) {
   e.printStackTrace();
  }
  return false;
 }
 
 
}