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引用一个能发email的JavaMail的例子

作者:未知 来源:月光软件站 加入时间:2005-2-28 月光软件站

import java.io.*;
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;

/**
 * <p>Title: 简易MailBean</p>
 * <p>Description: 提供简便的Mail发送功能(/p>
 * <p>Copyright: Copyright (c) 2003</p>
 * @version 1.0
 */

class ExtendString {
  public ExtendString() {
  }
  /**
   去掉字符串两端的空白字符,并将字符串转化为中国的标准字符gb2312的字符串.
   */
  public String CS(String str) { //去掉字符串2端的空白字符
      try {
          if (str == null)
              return "";
          str = str.trim();
          if (str == null)
              return "";
          str = new String(str.getBytes("8859_1"), "GBK");
      }
      catch (Exception e) {
          System.out.println(e);
      }
      return str;
  }

}

public class SendMail
{
    private String errMsg = "";
    private ExtendString ExStr = new ExtendString();

    private String sender = "";//发件人地址
    private String smtpHost = "";//邮件发送服务器(smtp)
    private String user = ""; //登录用户名
    private String password = "";//登录密码

    private String subject = "";//mail主题

    public SendMail()
    {
        this.setPropertiesAttri();
    }

    private void setPropertiesAttri()
    {
        try
        {
            InputStream is = getClass().getResourceAsStream("MailServer.properties");
            Properties prop = new Properties();
            prop.load(is);

            this.setSmtpHost(prop.get("SmtpHost").toString());
            this.setUser(prop.get("User").toString());
            this.setPassword(prop.get("Password").toString());
            this.setSender(prop.get("Sender").toString());
            this.setSubject(ExStr.CS(prop.get("Subject").toString()));
        }
        catch(Exception ex)
        {
            System.err.println("ex1 in sendmail.java:"+ex.toString());
        }
    }
    /** 设置发件人地址 */

    public void setSender(String sender)
    {
        this.sender = sender;
    }

    public String getSender()
    {
        return sender;
    }

    /** 设置邮件发送服务器(smtp) */
    public void setSmtpHost(String smtpHost) {this.smtpHost = smtpHost;}
    public String getSmtpHost() {return smtpHost;}

    /** 设置登录用户名 */
    public void setUser(String user)
    {
        this.user = user;
    }
    public String getUser()
    {
        return user;
    }

    /** 设置登录密码 */
    public void setPassword(String password)
    {
        this.password = password;
    }
    public String getPassword()
    {
        return password;
    }

    /** 设置mail主题 */
    public void setSubject(String subject)
    {
        this.subject = subject;
    }
    public String getSubject()
    {
        return subject;
    }

    /**
     * 使用smtp发送邮件 主程序
     * @throws MessagingException mail发送失败
     */
    public void smtp(String receiver,String content) throws MessagingException
    {
        if (smtpHost == null) throw new MessagingException("smtpHost not found");
        if (user == null) throw new MessagingException("user not found");
        if (password == null) throw new MessagingException("password not found");

        Properties properties = new Properties();
        properties.put("mail.smtp.host", smtpHost);//设置smtp主机
        properties.put("mail.smtp.auth", "true");//使用smtp身份验证

        Session session = Session.getDefaultInstance(properties,
             new Authenticator(){
               public PasswordAuthentication getPasswordAuthentication(){
                 return new PasswordAuthentication(user, password);
               }
             });

        //获得邮件会话对象
        MimeMessage mimeMsg = new MimeMessage(session);//创建MIME邮件对象
        if (sender != null)//设置发件人地址
            {
                mimeMsg.setFrom(new InternetAddress(sender));
            }
        if (receiver != null)//设置收件人地址
           {
               mimeMsg.setRecipients(Message.RecipientType.TO, parse(receiver));
           }
        if (subject != null)//设置邮件主题
           {
               mimeMsg.setSubject(subject, "GBK");
           }
        MimeBodyPart part = new MimeBodyPart();//mail内容部分
        part.setText(content == null ? "" : content, "GBK");

        //设置邮件格式为html cqc
        part.setContent(content.toString(),"text/html;charset=GBK");
        Multipart multipart = new MimeMultipart();
        multipart.addBodyPart(part);//在 Multipart 中增加mail内容部分
        mimeMsg.setContent(multipart);//增加 Multipart 到信息体
        mimeMsg.setSentDate(new Date());//设置发送日期
        Transport.send(mimeMsg);//发送邮件
    }

    /** 解析地址集合字符串 */
    private InternetAddress[] parse(String addressSet) throws AddressException
    {
        ArrayList list = new ArrayList();
        StringTokenizer tokens = new StringTokenizer(addressSet, ";");
        while (tokens.hasMoreTokens())
        {
            list.add(new InternetAddress(tokens.nextToken().trim()));
        }
        InternetAddress[] addressArray = new InternetAddress[list.size()];
        list.toArray(addressArray);
        return addressArray;
    }

    //供外部调用的接口
    public boolean sendMails(String mail,String content)
    {
        int mailLen = 0 ;
        int contentLen= 0;
        if (mail == null||content==null)
        {
            return false;
        }

            try
            {
                this.smtp(mail,content);
            }
            catch(Exception ex)
            {
                System.err.println("ex2 in sendmail.java:"+ex.toString());
            }

        return true;
    }

         public static void main (String[] args)
     {
         SendMail mail = new SendMail();
         String email = "
xxx@ssss.com";
         String content = "账号:123 密码:123 <br/>感谢您注册!<br/><a href='http://www.xxxx.com.cn' target='_blank'>www.xxxx.com.cn</a><br/>此致<br/>xxxx <br/>即日";
         try
         {
             mail.sendMails(email,content);
         }
         catch (Exception ex)
         {
            System.err.println("ex33:"+ex.toString());
         }
     }


 }

 




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