javaMail发送邮件,支持多人发送,多人收信,多附件等

import java.util.Date;  
import java.util.Properties;  
 
import javax.activation.DataHandler;  
import javax.activation.FileDataSource;  
import javax.mail.Authenticator;  
import javax.mail.Multipart;  
import javax.mail.internet.*;

import com.mobile.model.product.Auther;
 
 
/**
 * 利用java.mail的邮件发送程序
 */  
 
public class SendMailTest {  
      
      
    public static void main(String[] args) {  
        String title = "邮件主题";// 所发送邮件的标题  
        String from = "[email protected]";// 从那里发送  
        String sendTo[] = { "[email protected]", "[email protected]" };// 发送到那里  
        // 邮件的文本内容,可以包含html标记则显示为html页面  
        String content = "mail test!!!!!!<br><a href=#>aaa</a>";  
        // 所包含的附件,及附件的重新命名
        String fileNames[] = { "D:\\2015-11-09 .xls","D:\\新建 Microsoft Office Excel 2007 工作表.xlsx","D:\\哈哈.txt" };  
        try {  
            // MailSender mailsender = new MailSender();  
            sendmail(title, from, sendTo, content, fileNames,  
                    "text/html;charset=gb2312");  
        } catch (Exception ex) {  
            ex.printStackTrace();  
        }  
    }  
 
    @SuppressWarnings("static-access")
    public static void sendmail(String subject, String from, String[] to,  
            String text, String[] filenames, String mimeType) throws Exception {  
        // ResourceBundle mailProps = ResourceBundle.getBundle("mail");  
        // 可以从配置文件读取相应的参数  
        Properties props = new Properties();  
 
        String smtp = "smtp.qq.com"; // 设置发送邮件所用到的smtp  
        String servername = "[email protected]";  //发送地址
        String serverpaswd = "254545";  //发送地址密码
 
        javax.mail.Session mailSession; // 邮件会话对象  
        javax.mail.internet.MimeMessage mimeMsg; // MIME邮件对象  
 
        props = java.lang.System.getProperties(); // 获得系统属性对象  
        props.put("mail.smtp.host", smtp); // 设置SMTP主机  
        props.put("mail.smtp.auth", "true"); // 是否到服务器用户名和密码验证  
        // 到服务器验证发送的用户名和密码是否正确  
        Auther myEmailAuther = new Auther(  
                servername, serverpaswd);  
        // 设置邮件会话  
        mailSession = javax.mail.Session.getInstance(props,  
                (Authenticator) myEmailAuther);  
          
        //设置debug打印信息  
        //mailSession.setDebug(true);  
          
        // 设置传输协议  
        javax.mail.Transport transport = mailSession.getTransport("smtp");  
        // 设置from、to等信息  
        mimeMsg = new javax.mail.internet.MimeMessage(mailSession);  
        if (!from.isEmpty()) {  
 
            InternetAddress sentFrom = new InternetAddress(from);  
            mimeMsg.setFrom(sentFrom); // 设置发送人地址  
        }  
 
        InternetAddress[] sendTo = new InternetAddress[to.length];  
        for (int i = 0; i < to.length; i++) {  
            sendTo[i] = new InternetAddress(to[i]);  
        }  
 
        mimeMsg.setRecipients(javax.mail.internet.MimeMessage.RecipientType.TO,  
                sendTo);  
        mimeMsg.setSubject(subject, "gb2312");  
 
        MimeBodyPart messageBodyPart1 = new MimeBodyPart();  
        // messageBodyPart.setText(UnicodeToChinese(text));  
        messageBodyPart1.setContent(text, mimeType);  
 
        Multipart multipart = new MimeMultipart();// 附件传输格式  
        multipart.addBodyPart(messageBodyPart1);  
        if(null != filenames){
            for (int i = 0; i < filenames.length; i++) {  
                MimeBodyPart messageBodyPart2 = new MimeBodyPart();  
                // 选择出每一个附件名  
                String filename = filenames[i].split(",")[0];  
                String displayname = filenames[i].split(",")[0];  
                // 得到数据源  
                FileDataSource fds = new FileDataSource(filename);  
                // 得到附件本身并至入BodyPart  
                messageBodyPart2.setDataHandler(new DataHandler(fds));  
                // 得到文件名同样至入BodyPart  
                // messageBodyPart2.setFileName(displayname);  
                // messageBodyPart2.setFileName(fds.getName());  
                messageBodyPart2.setFileName(MimeUtility.encodeText(displayname));  
                multipart.addBodyPart(messageBodyPart2);  
            }  
        }
        mimeMsg.setContent(multipart);  
        // 设置信件头的发送日期  
        mimeMsg.setSentDate(new Date());  
        mimeMsg.saveChanges();  
        // 发送邮件  
        transport.send(mimeMsg);  
        transport.close();  
    }  
 


这里 我用的是qq的,可以换成其他的

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