testmail.java

Java编写的邮件发送程序

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

public class testmail { 

	
	
	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 testmail() { 
		setSmtpHost(getConfig.mailHost);//如果没有指定邮件服务器,就从getConfig类中获取 
		createMimeMessage(); 
	} 
*/
	public testmail(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; 
		} 
	} 
	
	/** 
	
	* @param mailBody String 
	
	*/ 
	
	
	public boolean setBody(String mailBody) { 
		try{ 
			BodyPart bp = new MimeBodyPart(); 
			bp.setContent(""+mailBody,"text/html;charset=GB2312"); 
			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) { 
		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)); 
			//transport.send(mimeMsg); 
			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; 
		} 
	} 
	/** 
	
	* Just do it as this 
	
	*/ 
	public static void main(String[] args) { 
		String mailbody = ""+"this test mail!"; 
		testmail themail = new testmail("mail.sina.com"); 
		themail.setNeedAuth(true); 
		if(themail.setSubject("标题") == false) return; 
		if(themail.setBody(mailbody) == false) return; 
		if(themail.setTo("[e-mail]") == false) return; 
		if(themail.setFrom("[e-mail]") == false) return; 
		if(themail.addFileAffix("c:\\boot.ini") == false) return; 
		themail.setNamePass("test","password"); 
		if(themail.sendout() == false) return; 
	} 
}