javaMail发送邮件实例，支持附件和多人邮件的发送 (四)

package com.util.mail;

import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Address;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
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 javax.mail.internet.MimeUtility;

public class SimpleMailSender {
 /** 
   * 以文本格式发送邮件 
   * @param mailInfo 待发送的邮件的信息 
   */  
     public boolean sendTextMail(MailSenderInfoBean mailInfo) {  
       // 判断是否需要身份认证  
       MyAuthenticator authenticator = null;  
       Properties pro = mailInfo.getProperties(); 
       if (mailInfo.isValidate()) {  
       // 如果需要身份认证，则创建一个密码验证器  
         authenticator = new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword());  
       } 
       // 根据邮件会话属性和密码验证器构造一个发送邮件的session  
       Session sendMailSession = Session.getDefaultInstance(pro,authenticator);  
       try {  
       // 根据session创建一个邮件消息  
       Message mailMessage = new MimeMessage(sendMailSession);  
       // 创建邮件发送者地址  
       Address from = new InternetAddress(mailInfo.getFromAddress());  
       // 设置邮件消息的发送者  
       mailMessage.setFrom(from);  
       // 创建邮件的接收者地址，并设置到邮件消息中  
       List toAddress=null;
       if(mailInfo.getToAddress().size()>1){
        toAddress=mailInfo.getToAddress();
        Address[] address =new InternetAddress[toAddress.size()];
        for (int i = 0; i < toAddress.size(); i++) {
         address[i]=new InternetAddress(toAddress.get(i));
    }
        mailMessage.setRecipients(Message.RecipientType.TO,address);  
       }else{
        toAddress=mailInfo.getToAddress();
       Address to = new InternetAddress(toAddress.get(0));
       // Message.RecipientType.TO属性表示接收者的类型为TO  
       mailMessage.setRecipient(Message.RecipientType.TO,to);  
       }
       // 设置邮件消息的主题  
       mailMessage.setSubject(mailInfo.getSubject());  
       // 设置邮件消息发送的时间  
       mailMessage.setSentDate(new Date());  
       // 设置邮件消息的主要内容  
       String mailContent = mailInfo.getContent();  
       mailMessage.setText(mailContent);  
       // 发送邮件  
       Transport.send(mailMessage); 
       return true;  
       } catch (MessagingException ex) {  
           ex.printStackTrace();  
       }  
       return false;  
     }  
      
     /** 
       * 以HTML格式发送邮件 
       * @param mailInfo 待发送的邮件信息 
      * @throws UnsupportedEncodingException
       */  
     public static boolean sendHtmlMail(MailSenderInfoBean mailInfo) throws UnsupportedEncodingException{  
       // 判断是否需要身份认证  
       MyAuthenticator authenticator = null; 
       Properties pro = mailInfo.getProperties(); 
       //如果需要身份认证，则创建一个密码验证器   
       if (mailInfo.isValidate()) {  
         authenticator = new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword()); 
       }  
       // 根据邮件会话属性和密码验证器构造一个发送邮件的session  
       Session sendMailSession = Session.getDefaultInstance(pro,authenticator);  
    
       try {  
       // 根据session创建一个邮件消息  
       Message mailMessage = new MimeMessage(sendMailSession);  
       // 创建邮件发送者地址  
       Address from = new InternetAddress(mailInfo.getFromAddress());  
       // 设置邮件消息的发送者  
       mailMessage.setFrom(from);  
       // 创建邮件的接收者地址，并设置到邮件消息中  
       List toAddress=null;
       if(mailInfo.getToAddress().size()>1){
        toAddress=mailInfo.getToAddress();
       Address[] address =new InternetAddress[toAddress.size()];
       for (int i = 0; i < toAddress.size(); i++) {
        address[i]=new InternetAddress(toAddress.get(i));
   }
        mailMessage.setRecipients(Message.RecipientType.TO,address);  
       }else{
        toAddress=mailInfo.getToAddress();
       Address to = new InternetAddress(toAddress.get(0));
       // Message.RecipientType.TO属性表示接收者的类型为TO  
       mailMessage.setRecipient(Message.RecipientType.TO,to);  
       }
      
       // 设置邮件消息的主题  
       mailMessage.setSubject(mailInfo.getSubject());  
       // 设置邮件消息发送的时间  
       mailMessage.setSentDate(new Date());  
       // MiniMultipart类是一个容器类，包含MimeBodyPart类型的对象  
       Multipart mainPart = new MimeMultipart();  
       // 创建一个包含HTML内容的MimeBodyPart  
       BodyPart html = new MimeBodyPart();  
       // 设置HTML内容  
       html.setContent(mailInfo.getContent(), "text/html; charset=utf-8");  
       mainPart.addBodyPart(html);  
       if(mailInfo.getAttachFileNames()!=null){
        List attachFileNames = mailInfo.getAttachFileNames();
        for (String path : attachFileNames) {
         html=new MimeBodyPart(); 
                  FileDataSource fds=new FileDataSource(path); //得到数据源 
                  html.setDataHandler(new DataHandler(fds)); //得到附件本身并至入BodyPart 
                  //此处是为了解决附件中文名乱码的问题 
                  String fileName= MimeUtility.encodeText(fds.getName());
                  html.setFileName(fileName);  //得到文件名同样至入BodyPart 
                  mainPart.addBodyPart(html); 
   }
       }
      
       // 将MiniMultipart对象设置为邮件内容  
       mailMessage.setContent(mainPart);  
       // 发送邮件  
       Transport.send(mailMessage);  
       return true;  
       } catch (MessagingException ex) {  
           ex.printStackTrace();  
       }  
       return false;  
     }
}

测试类

package com.util.mail;

import java.io.UnsupportedEncodingException; 
import java.util.ArrayList; 
import java