JavaMail发送邮件（普通邮件，html邮件以及附件邮件）

实现普通邮件，html邮件以及附件邮件的发送；此例子使用的是163邮箱

邮箱的服务地址，邮件用户名密码在配置文件中读取；

#邮箱地址
mailAddress=
#邮箱服务
mailServer=smtp.163.com
#邮箱服务
mailHost=imap.163.com
#邮件用户名
mailAccount=
#邮箱密码
mailPassword=

发送邮件类：

public class SendEmail {

private static String mailAddress;
private static String mailServer;
private static String mailAccount;
static {
mailAddress = WorkflowUitl.getWorkflowPropertys("mailAddress");
mailServer = WorkflowUitl.getWorkflowPropertys("mailServer");
mailAccount = WorkflowUitl.getWorkflowPropertys("mailAccount");
}
/**
* 发送普通邮件
*
* @throws Exception
*/
public static void sendNormalMail(Email email) throws Exception {

Properties prop = new Properties(); // 获取系统环境
Authenticator auth = new MailAuthenticator(); // 邮件服务器认证
prop.put("mail.smtp.host", mailServer);
prop.put("mail.smtp.auth", "true");
Session session = Session.getDefaultInstance(prop, auth);// 设置对话和邮件服务器进行通讯

Message message = new MimeMessage(session);
/*
* 设置邮件对象
*/
try {
message.setSubject(email.getEmail_subject()); // 设置邮件主题
message.setContent(email.getEmail_content(), "text/plain"); // 设置邮件格式
message.setHeader("Header:", email.getEmail_header()); // 设置邮件标题
message.setSentDate(new Date()); // 设置发送时间
Address address = new InternetAddress(mailAddress,mailAccount); // 设置发信人地址
message.setFrom(address);
// 设置接收人地址
// 设置多个收件人地址
List list = new ArrayList();// 不能使用string类型的类型，这样只能发送一个收件人
for (int i = 0; i < email.getEmail_to().length; i++) {
list.add(new InternetAddress(email.getEmail_to()[i]));
}
InternetAddress[] internetAddressTo = (InternetAddress[]) list
.toArray(new InternetAddress[list.size()]);
message.setRecipients(Message.RecipientType.TO, internetAddressTo);

message.saveChanges();
System.out.println("开始发送邮件……");
Transport.send(message); // 发送邮件
System.out.println("发送成功！");

} catch (MessagingException e) {
System.out.println("发送失败！");
e.printStackTrace();
}

}

/**
* 发送带附件的邮件
*
* @throws UnsupportedEncodingException
*/
public static boolean sendEmailWithAttachment(Email email)
throws UnsupportedEncodingException {
Properties prop = new Properties();
prop.put("mail.smtp.host", mailServer);
prop.put("mail.smtp.auth", "true");
Authenticator auth = new MailAuthenticator();
Session session = Session.getDefaultInstance(prop, auth);

Message message = new MimeMessage(session);
  boolean flag = false;
  try {
   message.setSubject(email.getEmail_subject());// 设置邮件主题
   message.setHeader("Header:", email.getEmail_header()); // 设置邮件标题
   message.setSentDate(new Date()); // 设置发送时间
   Address addressFrom = new InternetAddress(mailAddress, mailAccount); // 设置发信人地址
   message.setFrom(addressFrom);
   BodyPart messageBodyPart = new MimeBodyPart();
   messageBodyPart.setContent(email.getEmail_content(),  "text/html;charset=utf-8");
   Multipart multipart = new MimeMultipart();
   multipart.addBodyPart(messageBodyPart);
   MimeBodyPart mimeBodyPart;
   //多个附件
   for (int i = 0; i < email.getEmail_file().size(); i++) {
    Map<String, String> map = email.getEmail_file().get(i);
    String fileSource="";
    String fileName="";
    for (String key : map.keySet()) {
     fileSource = key;
     fileName = map.get(key);
       }
    mimeBodyPart = new MimeBodyPart();
    DataSource source = new FileDataSource(fileSource);
    mimeBodyPart.setDataHandler(new DataHandler(source));
    mimeBodyPart.setFileName(MimeUtility.encodeText(fileName));
    multipart.addBodyPart(mimeBodyPart);// Put parts in
   }
   message.setContent(multipart);
   
   // 设置多个收件人地址
   List list = new ArrayList();// 不能使用string类型的类型，这样只能发送一个收件人
   for (int i = 0; i < email.getEmail_to().length; i++) {
    list.add(new InternetAddress(email.getEmail_to()[i]));
   }
   InternetAddress[] internetAddressTo = (InternetAddress[]) list
     .toArray(new InternetAddress[list.size()]);
   message.setRecipients(Message.RecipientType.TO, internetAddressTo);
   message.saveChanges();
   System.out.println("开始发送邮件……");
   Transport.send(message);
System.out.println("发送成功！");
flag = true;
} catch (MessagingException e) {
System.out.println("发送失败！");
flag = false;
e.printStackTrace();

}
return flag;
}

/**
* 发送带html的邮件
*
* @throws UnsupportedEncodingException
*/

public static void sendEmailWithHtml(Email email)
throws UnsupportedEncodingException {

Properties prop = new Properties();
Authenticator auth = new MailAuthenticator();
prop.put("mail.smtp.host", mailServer);
prop.put("mail.smtp.auth", "true");
Session session = Session.getDefaultInstance(prop, auth);
Message message = new MimeMessage(session);

String htmlText = email.getEmail_content();
try {
message.setSubject(email.getEmail_subject());
message.setContent(htmlText,"text/html;charset=utf-8");
message.setSentDate(new Date());

Address address = new InternetAddress(mailAddress, mailAccount);
// 设置多个收件人地址
List list = new ArrayList();// 不能使用string类型的类型，这样只能发送一个收件人
for (int i = 0; i < email.getEmail_to().length; i++) {
list.add(new InternetAddress(email.getEmail_to()[i]));
}
InternetAddress[] internetAddressTo = (InternetAddress[]) list
.toArray(new InternetAddress[list.size()]);
message.setRecipients(Message.RecipientType.TO, internetAddressTo);

message.setFrom(address);
message.saveChanges();
System.out.println("开始发送邮件……");
Transport.send(message);
System.out.println("发送成功！");
} catch (MessagingException e) {
System.out.println("发送失败！");
e.printStackTrace();
}
}

/**
* 测试
*
* @param args
*/
public static void main(String args[]) {
Email email = new Email();
email.setEmail_header("header");
email.setEmail_subject("测试邮件发送");
email.setEmail_content("sssssssssssssssssssssssssssssss");
String[] to = { "1010046660@qq.com", "442941412@qq.com" };
email.setEmail_to(to);
try {

// 发送普通邮件
sendNormalMail(email);

// 发送带html的邮件
sendEmailWithHtml(email);

email.setEmail_file("C:/Users/SF/Pictures/11.jpg");
// 发送带附件的邮件
sendEmailWithAttachment(email);

} catch (Exception e) {
e.printStackTrace();
}
}

}

 

邮箱用户名密码类：

 

package cn.jasgroup.jasframework.utils.mailutil;

import javax.mail.Authenticator;
import javax.mail.PasswordAuthentication;

import cn.jasgroup.jasframework.workflow.utils.WorkflowUitl;

public class MailAuthenticator extends Authenticator {
private final static String mailAddress;
private final static String mailPassword;

static {
mailAddress = WorkflowUitl.getWorkflowPropertys("mailAddress");
mailPassword = WorkflowUitl.getWorkflowPropertys("mailPassword");
}
protected PasswordAuthentication getPasswordAuthentication(){
return new PasswordAuthentication(mailAddress,mailPassword);
}
}

邮件实体类：

package cn.jasgroup.jasframework.utils.mailutil;
import java.util.Date;
public class Email {
 public Date sendDate=null;
 private String[] email_to;//收件人地址
 private String email_subject;//邮件主题
 private String email_header;//邮件标题
 private String email_content;//邮件内容
 private String email_file;//发送附件邮件时的附件地址
 public Email(){}
 
 public String getEmail_content() {
  return email_content;
 }
 public void setEmail_content(String email_content) {
  this.email_content = email_content;
 }
 public String getEmail_subject() {
  return email_subject;
 }
 public void setEmail_subject(String emailSubject) {
  email_subject = emailSubject;
 }
 public String[] getEmail_to() {
  return email_to;
 }
 public void setEmail_to(String[] email_to) {
  this.email_to = email_to;
 }
 public String getEmail_header() {
  return email_header;
 }
 public void setEmail_header(String emailHeader) {
  email_header = emailHeader;
 }
 public String getEmail_file() {
  return email_file;
 }
 public void setEmail_file(String emailFile) {
  email_file = emailFile;
 }
 
}