用javamail 发送邮件

/*
* File: Mail.Java
* Date: 2005-2-28
* Author: fuweilin
* project:
* Ver:
* Note:
* */
package com.toone.eg.common;

/**
* @author fuwln
* @version 1.0
*/

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



/**
* @author fuwl
*
* To change the template for this generated type comment go to
* Window - Preferences - Java - Code Generation - Code and Comments
*/
public class Mail {

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 Mail() {
setSmtpHost("smtp.163.com");//如果没有指定邮件服务器,就从getConfig类中获取
createMimeMessage();
}

public Mail(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("<meta http-equiv=Content-Type content=text/html; charset=gb2312>" 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; }
}

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