Spring mail

須要引入 mail.jar，spring.jar

  1 package com.krm.slsint.mail.util;
  2 
  3 import java.io.File;
  4 import java.io.InputStream;
  5 import java.util.List;
  6 import java.util.Properties;
  7 
  8 import javax.mail.internet.MimeMessage;
  9 import javax.mail.internet.MimeUtility;
 10 
 11 import org.apache.commons.io.IOUtils;
 12 import org.apache.commons.lang.StringUtils;
 13 import org.apache.commons.logging.Log;
 14 import org.apache.commons.logging.LogFactory;
 15 import org.springframework.core.io.ByteArrayResource;
 16 import org.springframework.core.io.FileSystemResource;
 17 import org.springframework.mail.javamail.JavaMailSenderImpl;
 18 import org.springframework.mail.javamail.MimeMessageHelper;
 19 
 20 import com.krm.slsint.mail.vo.Mail;
 21 import com.krm.slsint.mail.vo.MailAttachment;
 22 import com.krm.slsint.mail.vo.MailUser;
 23 
 24 
 25 /**
 26  * 郵件發送接口
 27  */
 28 public class CrsMailSender {
 29 
 30     private static Log log = LogFactory.getLog(CrsMailSender.class);
 31 
 32     /**
 33      * 發送郵件
 34      * 
 35      * @param receivers收件人列表
 36      * @param carbonCopy抄送人列表可爲空
 37      * @param title郵件標題
 38      * @param content郵件正文
 39      * @param attachments附件
 40      * @return
 41      */
 42     public boolean sendMail(Mail mail) {
 43         MailUser mailUser = mail.getMailUser();
 44         JavaMailSenderImpl sender = this.getSpringMailSender(mail.getMailUser());
 45         try {
 46             MimeMessage mimeMessage = sender.createMimeMessage();
 47             MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true,
 48                     "GBK");
 49             helper.setFrom(mailUser.getMailAddress(), mailUser.getNickName());
 50             List<String> receivers = mail.getReceiver();
 51             if (receivers != null) {
 52                 helper.setTo(receivers.toArray(new String[receivers.size()]));
 53             }
 54             List<String> corbonCopys = mail.getCorbonCopy();
 55             if (corbonCopys != null) {
 56                 helper.setCc(corbonCopys.toArray(new String[corbonCopys.size()]));
 57             }
 58             helper.setSubject(mail.getTitle());
 59             helper.setText(mail.getContent(), true);
 60             List<MailAttachment> attachments = mail.getAttachments();
 61             if (attachments != null) {
 62                 for (MailAttachment mailAttachment : attachments) {
 63                     File file = mailAttachment.getAttachmentFile();
 64                     if (file != null && file.exists()) {
 65                         helper.addAttachment(
 66                                 MimeUtility.encodeWord(mailAttachment.getAttachmentName()),
 67                                 new FileSystemResource(file));
 68                     }
 69                     InputStream stream = mailAttachment.getAttachmentStream();
 70                     if (stream != null) {
 71                         helper.addAttachment(
 72                                 MimeUtility.encodeWord(mailAttachment.getAttachmentName()),
 73                                 new ByteArrayResource(IOUtils
 74                                         .toByteArray(stream)));
 75                     }
 76                 }
 77             }
 78             sender.send(mimeMessage);
 79             log.info("Send mail[" + mail.getTitle() + "] end.");
 80         } catch (Exception e) {
 81             log.error("Send mail[" + mail.getTitle() + "] error.");
 82             log.error(e.getMessage(), e);
 83             return false;
 84         }
 85         return true;
 86     }
 87 
 88     private JavaMailSenderImpl getSpringMailSender(MailUser mailUser) {
 89         JavaMailSenderImpl sender = new JavaMailSenderImpl();
 90         sender.setHost(mailUser.getSmtpIp());
 91         sender.setPort(mailUser.getSmtpPort());
 92         sender.setProtocol("smtp");
 93         sender.setUsername(mailUser.getMailAddress());
 94         sender.setPassword(StringUtils.defaultString(mailUser.getPassword(), ""));
 95         sender.setDefaultEncoding("GBK");
 96         Properties javaMailProperties = new Properties();
 97         if ("true".equals(mailUser.getEnableSSL())) {
 98             javaMailProperties.setProperty("mail.smtp.socketFactory.class",
 99                     "javax.net.ssl.SSLSocketFactory");
100             javaMailProperties.setProperty("mail.smtp.socketFactory.fallback",
101                     "false");
102             javaMailProperties.setProperty("mail.smtp.starttls.enable", "true");
103             javaMailProperties.setProperty("mail.smtp.starttls.required",
104                     "true");
105         }
106         javaMailProperties.setProperty("mail.smtp.auth", "true");
107         javaMailProperties.setProperty("mail.smtp.quitwait", "false");
108         javaMailProperties.setProperty("mail.smtp.timeout", "25000");
109         sender.setJavaMailProperties(javaMailProperties);
110         return sender;
111     }
112 }