JavaMail实现邮件发送工具类

package org.nercita.bcp.util;import java.io.IOException;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.Message.RecipientType;import javax.mail.MessagingException;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 org.nercita.bcp.system.util.CustomSystemException;import org.nercita.core.utils.PropertyUtils;import org.nercita.core.utils.UUIDUtils;/** * 邮件发送工具类 * @author zhangwenchao * */public class MailUtils {public static Properties sysProps = null;static{try {sysProps = PropertyUtils.loadProperties("application.properties");} catch (IOException e) {e.printStackTrace();throw new CustomSystemException("1002", "属性文件加载异常");}}    public  static final String ENCODEING = sysProps.getProperty("ENCODEING"); //编码          public  static final String DN = sysProps.getProperty("DN"); //域名          private static final String PROTOCOL = sysProps.getProperty("PROTOCOL");// 协议        private static final String HOST = sysProps.getProperty("HOST"); // 服务器地址               private static final String FROM = sysProps.getProperty("FROM"); // 发件人的邮箱        private static final String USERNAME = sysProps.getProperty("USERNAME"); // 账号        private static final String PASSWORD = sysProps.getProperty("PASSWORD");; // 密码            /**     * 发送简单邮件     */   public  static void  sendMail(String subject, String to, String content){         //1.设置邮件环境   Properties props = new Properties();   props.setProperty("mail.transport.protocol", PROTOCOL);   props.setProperty("mail.host", HOST);    props.setProperty("mail.smtp.auth", "true");         //2.获取session连接对象   Session session = Session.getInstance(props,new Authenticator() {@Overrideprotected PasswordAuthentication getPasswordAuthentication() {return new PasswordAuthentication(USERNAME,PASSWORD);}      });   session.setDebug(true);    //3. 创建邮件   Message message = new MimeMessage(session);      try {      message.setFrom(new InternetAddress(FROM));  //设置发件人      message.setSubject(subject); //标题   message.addRecipient(RecipientType.TO, new InternetAddress(to)); //收件人   message.setSentDate(new Date()); //时间   message.setText(content);  //正文      //3. 发送邮件   Transport.send(message);      } catch (MessagingException e) {   e.printStackTrace();throw new CustomSystemException("1001", "邮件发送异常");    }       }         /**    * 发送HTML邮件    */  public  static void  sendHTMLMail(String subject, String to, String content){      //1.设置邮件环境   Properties props = new Properties();   props.setProperty("mail.transport.protocol", PROTOCOL);   props.setProperty("mail.host", HOST);    props.setProperty("mail.smtp.auth", "true");         //2.获取session连接对象   Session session = Session.getInstance(props,new Authenticator() {@Overrideprotected PasswordAuthentication getPasswordAuthentication() {return new PasswordAuthentication(USERNAME,PASSWORD);}      });   session.setDebug(true);      try {    //3. 创建邮件   Message message = new MimeMessage(session);      message.setFrom(new InternetAddress(FROM));  //设置发件人   message.setSubject(subject); //标题   message.addRecipient(RecipientType.TO, new InternetAddress(to)); //收件人   message.setSentDate(new Date()); //时间        MimeBodyPart bodyPart = new MimeBodyPart();   bodyPart.setContent(content,"text/html; charset=UTF-8");      MimeMultipart mimeMultipart = new MimeMultipart();   mimeMultipart.addBodyPart(bodyPart);      message.setContent(mimeMultipart);      message.saveChanges(); //设置邮件内容与消息头一至      //3. 发送邮件   Transport.send(message);   } catch (MessagingException e) {   e.printStackTrace();throw new CustomSystemException("1001", "邮件发送异常");    }      }      /**   * 发送含有内嵌图像资源的邮件   */ public  static void  sendRelatedMail(String subject, String to, String content, String... relatedFilePath){      //1.设置邮件环境   Properties props = new Properties();   props.setProperty("mail.transport.protocol", PROTOCOL);   props.setProperty("mail.host", HOST);    props.setProperty("mail.smtp.auth", "true");         //2.获取session连接对象   Session session = Session.getInstance(props,new Authenticator() {@Overrideprotected PasswordAuthentication getPasswordAuthentication() {return new PasswordAuthentication(USERNAME,PASSWORD);}      });   session.setDebug(true);      try {    //3. 创建邮件   Message message = new MimeMessage(session);      message.setFrom(new InternetAddress(FROM));  //设置发件人   message.setSubject(subject); //标题   message.addRecipient(RecipientType.TO, new InternetAddress(to)); //收件人   message.setSentDate(new Date()); //时间           //html文本信息   MimeBodyPart bodyPart1 = new MimeBodyPart();   bodyPart1.setContent(content+"<br /><img src=cid:img_1  />", "text/html; charset=UTF-8");              //图像信息   MimeBodyPart bodyPart2 = new MimeBodyPart();   bodyPart2.setDataHandler(new DataHandler(new FileDataSource(relatedFilePath[0])));   bodyPart2.setContentID("img_1");      //组装   MimeMultipart mimeMultipart = new MimeMultipart();   mimeMultipart.addBodyPart(bodyPart1);   mimeMultipart.addBodyPart(bodyPart2);   message.setContent(mimeMultipart);      //合并消息   message.saveChanges(); //设置邮件内容与消息头一至      //3. 发送邮件   Transport.send(message);   } catch (MessagingException e) {   e.printStackTrace();throw new CustomSystemException("1001", "邮件发送异常");    }     }     /**  * 发送含有内嵌图像资源的邮件  */public  static void  sendAttachMail(String subject, String to, String content, String... attachFilePath){      //1.设置邮件环境   Properties props = new Properties();   props.setProperty("mail.transport.protocol", PROTOCOL);   props.setProperty("mail.host", HOST);    props.setProperty("mail.smtp.auth", "true");         //2.获取session连接对象   Session session = Session.getInstance(props,new Authenticator() {@Overrideprotected PasswordAuthentication getPasswordAuthentication() {return new PasswordAuthentication(USERNAME,PASSWORD);}      });   session.setDebug(true);      try {    //3. 创建邮件   Message message = new MimeMessage(session);      message.setFrom(new InternetAddress(FROM));  //设置发件人   message.setSubject(subject); //标题   message.addRecipient(RecipientType.TO, new InternetAddress(to)); //收件人   message.setSentDate(new Date()); //时间           //定义Html文本信息   MimeBodyPart bodyPart1 = new MimeBodyPart();   bodyPart1.setContent(content, "text/html; charset=UTF-8");              //附件   MimeBodyPart bodyPart2 = new MimeBodyPart();   bodyPart2.setDataHandler(new DataHandler(new FileDataSource(attachFilePath[0])));   bodyPart2.setFileName(attachFilePath[0].substring(attachFilePath[0].lastIndexOf("\\")+1));      //组装   MimeMultipart mimeMultipart = new MimeMultipart();   mimeMultipart.addBodyPart(bodyPart1);   mimeMultipart.addBodyPart(bodyPart2);   message.setContent(mimeMultipart);      //合并消息   message.saveChanges(); //设置邮件内容与消息头一至      //3. 发送邮件   Transport.send(message);   } catch (MessagingException e) {e.printStackTrace();throw new CustomSystemException("1001", "邮件发送异常");    }      }    public static void main(String[] args) {  String activationCode  = UUIDUtils.getUUID();activationCode = "5ff6681cce0649158b4b3a87cd944050";String msg="<h3>点击下面链接激活账户</h3><h4><a href='"+MailUtils.DN+"/system/user/activate?code="+activationCode+"'>"+MailUtils.DN+"/system/user/activate?code="+activationCode+"</a><h4>";MailUtils.sendHTMLMail("官方账户注册激活邮件", "[e-mail]", msg);}          }