JavaWebstmp发送带附件邮件（附SSL版）

本文实例为大家分享了Java Web stmp发送带附件邮件的具体代码，供大家参考，具体内容如下

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public class MailFileSendUtils {

 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

 /**
  * Constructor
  * @param
  */
 public MailFileSendUtils(){
  props = System.getProperties();
  props.put("mail.smtp.auth","false");
  session = Session.getDefaultInstance(props, null);
  session.setDebug(true);
  mimeMsg = new MimeMessage(session);
  mp = new MimeMultipart();
 }

 /**
  * Constructor
  * @param smtp 邮件发送服务器
  */
 public MailFileSendUtils(String smtp, String username, String password){
  props = System.getProperties();
  props.put("mail.smtp.auth","true");
  props.put("mail.smtp.host", smtp);
  props.put("username", username);
  props.put("password", password);
  session = Session.getDefaultInstance(props, null);
  session.setDebug(true);
  mimeMsg = new MimeMessage(session);
  mp = new MimeMultipart();
 }

 /**
  * 发送邮件
  */
 public boolean sendMail(String from, String[] to, String subject, String content, String filename) {
  try {
   //设置发信人
   mimeMsg.setFrom(new InternetAddress(from));
   //设置接收人
   for (int i = 0; i < to.length; i++) {
    mimeMsg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to[i]));
   }
   //设置抄送人
//   for (int i = 0; i < copyto.length; i++) {
//    mimeMsg.setRecipients(Message.RecipientType.CC, InternetAddress.parse(copyto[i]));
//   }
   //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
   bp = new MimeBodyPart();
   FileDataSource fileds = new FileDataSource(filename);
   bp.setDataHandler(new DataHandler(fileds));
   bp.setFileName(MimeUtility.encodeText(fileds.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.close();
   }else{
    Transport.send(mimeMsg);
   }
   System.out.println("邮件发送成功");
  } catch (MessagingException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  } catch (UnsupportedEncodingException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
  return true;
 }

// public void toSendMail(SendMailParam sendMailParam){
//  MailFileSendUtils email = new MailFileSendUtils(sendMailParam.getSmtp(), sendMailParam.getUsername(), sendMailParam.getPassword());
//  email.sendMail(sendMailParam.getFrom(), sendMailParam.getTo(), sendMailParam.getSubject(), sendMailParam.getContent(), sendMailParam.getFilepath());
// }


 public static void main(String[] args) {
  String smtp = "smtp.exmail.qq.com";
  String username = "发送的邮箱账号";
  String password = "发送的邮箱密码";
  String from = "发送的邮箱";
  String[] to = {"接收邮件的邮箱"};
//  String[] copyto = {"抄送的邮箱"};
  String subject = "主题6";
  String content = "邮件内容6";
  String filename = "附件的文件";
  MailFileSendUtils email = new MailFileSendUtils(smtp, username, password);
//  email.sendMail(from, to, copyto, subject, content, filename);
  email.sendMail(from, to, subject, content, filename);
 }

}

（附：SSL版）

public class MailFileSendUtils {

 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

 /**
  * Constructor
  * @param
  */
 public MailFileSendUtils(){
  props = System.getProperties();
  props.put("mail.smtp.auth","false");
  session = Session.getDefaultInstance(props, null);
  session.setDebug(true);
  mimeMsg = new MimeMessage(session);
  mp = new MimeMultipart();
 }

 /**
  * Constructor
  * @param smtp 邮件发送服务器
  */
 public MailFileSendUtils(String smtp,
        String username,
        String password){
  Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
  final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";
  props = System.getProperties();
  MailSSLSocketFactory sf = null;
  try {
   sf = new MailSSLSocketFactory();
  } catch (GeneralSecurityException e) {
  }
  sf.setTrustAllHosts(true);
  props.put("mail.smtp.auth","true");
  props.put("mail.smtp.host", smtp);
  props.put("mail.smtp.socketFactory.class", SSL_FACTORY);
  props.put("mail.smtp.socketFactory.fallback", "false");
  props.put("mail.smtp.ssl.enable", "true");
  props.put("mail.smtp.port", "465");
  props.put("mail.smtp.ssl.socketFactory", sf);

//  props.put("username", username);
//  props.put("password", password);
  session = Session.getInstance(props, new Authenticator() {
   @Override
   protected PasswordAuthentication getPasswordAuthentication() {
    return new PasswordAuthentication(username, password);
   }
  });
  session.setDebug(true);
  mimeMsg = new MimeMessage(session);
  mp = new MimeMultipart();
 }

 /**
  * 发送邮件
  */
 public boolean sendMail(String from,
       String[] to,
       String subject,
       String content,
       String filename) {
  try {
   //设置发信人
   mimeMsg.setFrom(new InternetAddress(from));
   //设置接收人
   for (int i = 0; i < to.length; i++) {
    mimeMsg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to[i]));
   }
   //设置抄送人
//   for (int i = 0; i < copyto.length; i++) {
//    mimeMsg.setRecipients(Message.RecipientType.CC, InternetAddress.parse(copyto[i]));
//   }
   //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
   bp = new MimeBodyPart();
   FileDataSource fileds = new FileDataSource(filename);
   bp.setDataHandler(new DataHandler(fileds));
   bp.setFileName(MimeUtility.encodeText(fileds.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.close();
   }else{
    Transport.send(mimeMsg);
   }
   System.out.println("邮件发送成功");
  } catch (MessagingException e) {
   e.printStackTrace();
  } catch (UnsupportedEncodingException e) {
   e.printStackTrace();
  }
  return true;
 }

 public boolean toSendMail(SendMailParam sendMailParam){
  MailFileSendUtils email = new MailFileSendUtils(
    sendMailParam.getSmtp(),
    sendMailParam.getUsername(),
    sendMailParam.getPassword());
  email.sendMail(
    sendMailParam.getFrom(),
    sendMailParam.getTo(),
    sendMailParam.getSubject(),
    sendMailParam.getContent(),
    sendMailParam.getFilepath());
  return true;
 }


// public static void main(String[] args) {
//  String smtp = "smtp.mxhichina.com";
//  String username = "邮箱";
//  String password = "邮箱密码";
//  String from = "谁去发";
//  String[] to = {"发给谁"};
////  String[] copyto = {"抄送的邮箱"};
//  String subject = "huawei";
//  String content = "邮件内容6666";
//  String filename = "gdt-3583118353-ad-20170823.xls";
//  MailFileSendUtils email = new MailFileSendUtils(smtp, username, password);
////  email.sendMail(from, to, copyto, subject, content, filename);
//  email.sendMail(from, to, subject, content, filename);
// }

}

在项目中使用这套工具，main方法我注释掉，然后使用toSendMail（SendMailParam sendMailParam）。
这里定义的SendMailParam 为：

public class SendMailParam {
 private String smtp;
 private String username;
 private String password;
 private String from;//发送人
 private String[] to;//接收人
 //  String[] copyto = {"909891736@qq.com"};
 private String subject;//邮件主题
 private String content;//邮件内容
 private String filepath;//文件拿到的路径

 public SendMailParam(){
  this.smtp = "smtp.exmail.qq.com";//例子
  this.username = "邮箱账号";
  this.password = "邮箱密码";
  this.from = "邮箱";
  this.subject = "";
  this.content = "";
  this.filepath = "";
 }

 public String getSmtp() {
  return smtp;
 }

 public void setSmtp(String smtp) {
  this.smtp = smtp;
 }

 public String getUsername() {
  return username;
 }

 public void setUsername(String username) {
  this.username = username;
 }

 public String getPassword() {
  return password;
 }

 public void setPassword(String password) {
  this.password = password;
 }

 public String getFrom() {
  return from;
 }

 public void setFrom(String from) {
  this.from = from;
 }

 public String[] getTo() {
  return to;
 }

 public void setTo(String[] to) {
  this.to = to;
 }

 public String getSubject() {
  return subject;
 }

 public void setSubject(String subject) {
  this.subject = subject;
 }

 public String getContent() {
  return content;
 }

 public void setContent(String content) {
  this.content = content;
 }

 public String getFilepath() {
  return filepath;
 }

 public void setFilepath(String filepath) {
  this.filepath = filepath;
 }
}

maven依赖包

<dependency>
  <groupId>javax.mail</groupId>
  <artifactId>mail</artifactId>
  <version>1.4.7</version>
 </dependency>

gradle依赖包

compile "javax.mail:mail:1.4.7"

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持创新互联。

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