sendmail.java

用JAVA自己编写的人才招聘网站

/*
 * sendMail.java
 *
 * Created on 2007年7月6日, 上午7:39
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package myutil;

/**
 *
 * @author CASE
 */
import javax.mail.internet.*;
import javax.activation.*;
import javax.mail.*;
import java.util.*;
import java.sql.*;
import java.io.*;
import myutil.*;
import com.jspsmart.upload.*;
//在本jsp页面中定义邮件发送类
public class sendMail
{
      private MimeMessage mimeMsg; //MIME邮件对象
      private Session session; //邮件会话对象
      private Properties props; //系统属性
      private boolean needAuth = false; //smtp是否需要认证
      private String username = ""; //smtp认证用户名和密码
      private String password = "";
      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
      /**
       *
       */
      public sendMail()
      {
            setSmtpHost("smtp.sohu.com");//如果没有指定邮件服务器,就从getConfig类中获取
            createMimeMessage();
      }
      public sendMail(String smtp)
      {
            setSmtpHost(smtp);
            createMimeMessage();
      }
      /**
       * @param hostName String
       */
      public void setSmtpHost(String hostName)
      {
            System.out.println("设置系统属性：mail.smtp.host = "+hostName);
            if(props == null)props = System.getProperties(); //获得系统属性对象
            props.put("mail.smtp.host",hostName); //设置SMTP主机
      }
      /**
       * @return boolean
       */
      public boolean createMimeMessage()
      {
            try
            {
                  System.out.println("准备获取邮件会话对象！");
                  session = Session.getDefaultInstance(props,null); //获得邮件会话对象
            }
            catch(Exception e)
            {
                  System.err.println("获取邮件会话对象时发生错误！"+e);
                  return false;
            }
            System.out.println("准备创建MIME邮件对象！");
            try
            {
                  mimeMsg = new MimeMessage(session); //创建MIME邮件对象
                  mp = new MimeMultipart();
                  return true;
            }
            catch(Exception e)
            {
                  System.err.println("创建MIME邮件对象失败！"+e);
                  return false;
            }
      }
      
      /**
       * @param need boolean
       */
      public void setNeedAuth(boolean need)
      {
            System.out.println("设置smtp身份认证：mail.smtp.auth = "+need);
            if(props == null)props = System.getProperties();
            if(need)
            {
                  props.put("mail.smtp.auth","true");
            }
            else
            {
                  props.put("mail.smtp.auth","false");
            }
      }
      
      /**
       * @param name String
       * @param pass String
       */
      public void setNamePass(String name,String pass)
      {
            username = name;
            password = pass;
      }
      /**
       * @param mailSubject String
       * @return boolean
       */
      public boolean setSubject(String mailSubject)
      {
            System.out.println("设置邮件主题！");
            try
            {
                  mimeMsg.setSubject(mailSubject);
                  return true;
            }
            catch(Exception e)
            {
                  System.err.println("设置邮件主题发生错误！");
                  return false;
            }
      }
      /**
       * 设置邮件正文内容
       * @param mailBody String
       */
      public boolean setBody(String mailBody)
      {
            try
            {
                  BodyPart bp = new MimeBodyPart();
                  bp.setContent("<meta http-equiv=Content-Type content=text/html; charset=UTF-8>"+mailBody,"text/html;charset=UTF-8");
                  mp.addBodyPart(bp);
                  return true;
            }
            catch(Exception e)
            {
                  System.err.println("设置邮件正文时发生错误！"+e);
                  return false;
            }
      }
      
      
      /**
       * @param name String
       * @param pass String
       */
      public boolean addFileAffix(String filename)
      {
            if(filename == "")
                  return true;
            System.out.println("增加邮件附件："+filename);
            try
            {
                  BodyPart bp = new MimeBodyPart();
                  FileDataSource fileds = new FileDataSource(filename);
                  bp.setDataHandler(new DataHandler(fileds));
                  bp.setFileName(fileds.getName());
                  mp.addBodyPart(bp);
                  return true;
            }
            catch(Exception e)
            {
                  System.err.println("增加邮件附件："+filename+"发生错误！"+e);
                  return false;
            }
      }
      /**
       * @param name String
       * @param pass String
       */
      public boolean setFrom(String from)
      {
            System.out.println("设置发信人！");
            try
            {
                  mimeMsg.setFrom(new InternetAddress(from)); //设置发信人
                  return true;
            }
            catch(Exception e)
            {  return false; }
      }
      /**
       * @param name String
       * @param pass String
       */
      public boolean setTo(String to)
      {
            if(to == null)return false;
            try
            {
                  mimeMsg.setRecipients(Message.RecipientType.TO,InternetAddress.parse(to));
                  return true;
            }
            catch(Exception e)
            { return false; }
            
      }
      /**
       * @param name String
       * @param pass String
       */
      public boolean setCopyTo(String copyto)
      {
            if(copyto == null)return false;
            try
            {
                  mimeMsg.setRecipients(Message.RecipientType.CC,(Address[])InternetAddress.parse(copyto));
                  return true;
            }
            catch(Exception e)
            { return false; }
      }
      /**
       * @param name String
       * @param pass String
       */
      public boolean sendout()
      {
            try
            {
                  mimeMsg.setContent(mp);
                  mimeMsg.saveChanges();
                  System.out.println("正在发送邮件....");
                  Session mailSession = Session.getInstance(props,null);
                  Transport transport = mailSession.getTransport("smtp");
                  transport.connect((String)props.get("mail.smtp.host"),username,password);
                  transport.sendMessage(mimeMsg,mimeMsg.getRecipients(Message.RecipientType.TO));
                  System.out.println("发送邮件成功！");
                  transport.close();
                  return true;
            }
            catch(Exception e)
            {
                  System.err.println("邮件发送失败！"+e);
                  return false;
            }
      }
}