使用Spring邮件抽象层发送简单邮件(转)

http://www.blogjava.net/shmily432685/archive/2005/12/30/26041.html

http://www.blogjava.net/Crying/archive/2007/09/22/142701.html

re: 使用Spring邮件抽象层发送简单邮件

java 代码

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

public class SendMail
{
static final String MAIL_HOST = "61.177.95.155";
static final boolean MAIL_NEEDAUTH = true;
static final String DEFAULT_MAIL_USER = "[e-mail]";
static final String DEFAULT_MAIL_PASSWORD = ".......";
static final String DEFAULT_FORMAT = "plain"; //纯文本
private MimeMessage mimeMsg; //MIME邮件对象
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
private Session session; //邮件会话对象
private Properties props; //系统属性
private boolean needAuth; //smtp是否需要认证
private String userName; //smtp认证用户名和密码
private String password; //smtp认证密码
private String mailFormat = DEFAULT_FORMAT; //邮件文本格式

public SendMail(String host,boolean needAuth,String user,String password)
{ //构造方法
if(host==null||host.trim().equals(""))
{
host = MAIL_HOST;
}
setHost(host);
createMimeMessage();
setAuth(needAuth);
if(user==null)
{
user = "";
}
if(password==null)
{
password = "";
}
setUser(user,password);
setFrom(user);
}

public SendMail()
{
setHost(MAIL_HOST);
createMimeMessage();
setAuth(MAIL_NEEDAUTH);
setUser(DEFAULT_MAIL_USER,DEFAULT_MAIL_PASSWORD);
setFrom(DEFAULT_MAIL_USER);
}

private void setHost(String hostName)
{ //设置smtp的主机地址
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
}

private void setAuth(boolean need)
{ //smtp认证
if(props==null)
{
props = System.getProperties();
}
if(need)
{
props.put("mail.smtp.auth","true");
}
else
{
props.put("mail.smtp.auth","false");
}
}

private void setUser(String userName,String password)
{ //设置smtp用户名和密码
this.userName = userName;
this.password = password;
}

private boolean createMimeMessage()
{ //生成邮件对象
try
{
session = Session.getDefaultInstance(props,null); //获得邮件会话对象
}
catch(Exception e)
{
e.printStackTrace();
return false;
}
try
{
mimeMsg = new MimeMessage(session); //创建MIME邮件对象
mp = new MimeMultipart();
return true;
}
catch(Exception e)
{
e.printStackTrace();
return false;
}
}

private void setMailFormat(String format)
{ //设置邮件的正文格式 plain:纯文本格式 html：html格式
if(format==null)
{
format = "plain";
}
format = format.trim();
if(format.equals("plain")||format.equals("html"))
{
this.mailFormat = "text/"+format;
}
else
{
this.mailFormat = "text/plain";
}
}

public boolean sendMail(String to,String subject,String body,String format)
{ //发送不带附件,不转发的邮件
boolean theReturn = true;
setMailFormat(format);
// String aLine = Time.getdate()+" "+Time.gettime()+" send: "+this.userName
//+" "+to+" "+Common.convertToGb(subject);

String aLine = " send: "+this.userName
+" "+to+" "+subject;
if(setSubject(subject)&&setBody(body)&&setTo(to))
{
theReturn = sendOut();
aLine = aLine+" [Success]";
}
else
{
theReturn = false;
aLine = aLine+" [Failed]";
}

return theReturn;
}

public boolean sendMail(String to,String subject,String body)
{
return sendMail(to,subject,body,DEFAULT_FORMAT);
}

private boolean setSubject(String mailSubject)
{ //设置邮件主题
try
{
//mailSubject = Common.convertToGb(mailSubject);
mimeMsg.setSubject(mailSubject);
return true;
}
catch(Exception e)
{
e.printStackTrace();
return false;
}
}

private boolean setBody(String mailBody)
{ //设置邮件正文
try
{
//mailBody = Common.convertToGb(mailBody);
BodyPart bp = new MimeBodyPart();
bp.setContent(mailBody,this.mailFormat+";charset=GB2312"); //"<meta http-equiv=Content-Type content=text/html; charset=gb2312>"+mailBody
mp.addBodyPart(bp);
return true;
}
catch(Exception e)
{
e.printStackTrace();
return false;
}
}

private boolean setFrom(String from)
{ //设置发信人地址
try
{
mimeMsg.setFrom(new InternetAddress(from));
return true;
}
catch(Exception e)
{
e.printStackTrace();
return false;
}
}

private boolean setTo(String to)
{ //设置收信人地址
if(to==null)
{
return false;
}
try
{
mimeMsg.addRecipients(Message.RecipientType.TO,InternetAddress.parse(to));
return true;
}
catch(Exception e)
{
e.printStackTrace();
return false;
}
}

private boolean addFileAffix(String filename)
{ //添加附件
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)
{
e.printStackTrace();
return false;
}
}

private boolean setCopyTo(String copyto)
{ //设置转发人地址
if(copyto==null)
{
return false;
}
try
{
mimeMsg.addRecipients(Message.RecipientType.CC,
(Address[])InternetAddress.parse(copyto));
return true;
}
catch(Exception e)
{
e.printStackTrace();
return false;
}
}

public int tryToConnect()
{ //连接邮箱 1:连接成功 0:连接失败 -1：已经连接或系统忙
int theReturn = 0;
// String aLine = Time.getdate()+" "+Time.gettime()+" Connect: "+this.userName
//+" "+this.userName+" "+this.password;

String aLine = " Connect: "+this.userName
+" "+this.userName+" "+this.password;
try
{
Session mailSession = Session.getInstance(props,null);
Transport transport = mailSession.getTransport("smtp");
transport.connect((String)props.get("mail.smtp.host"),this.userName,
this.password);
transport.close();
theReturn = 1;
aLine = aLine+" [Success]";
}
catch(MessagingException e)
{
e.printStackTrace();
theReturn = 0;
}
catch(IllegalStateException e)
{
e.printStackTrace();
theReturn = -1;
}
catch(Exception e)
{
e.printStackTrace();
theReturn = 0;
aLine = aLine+" [Failed]";
}
return theReturn;
}

private boolean sendOut()
{ //发送邮件
try
{
mimeMsg.setContent(mp);
mimeMsg.saveChanges();
Session mailSession = Session.getInstance(props,null);
Transport transport = mailSession.getTransport("smtp");
transport.connect((String)props.get("mail.smtp.host"),this.userName,
this.password);
transport.sendMessage(mimeMsg,mimeMsg.getAllRecipients());
transport.close();
return true;
}
catch(Exception e)
{
e.printStackTrace();
return false;
}
}

public boolean changePwd(String userName,String newPwd)
{ //修改邮箱密码
boolean theReturn = false;
try
{
String commond = "passwd "+userName;
Process process = Runtime.getRuntime().exec(commond);
BufferedReader br = new BufferedReader(new InputStreamReader(process.
getInputStream()));
PrintStream ps = new PrintStream(process.getOutputStream());
BufferedReader br1 = new BufferedReader(new InputStreamReader(process.
getErrorStream()));
char ac[] = new char[1024];
br1.read(ac);
ps.println(newPwd);
ps.flush();
br1.read(ac);
ps.println(newPwd);
ps.flush();
br1.read(ac);
if(process.waitFor()==0)
{
theReturn = true;
}
}
catch(Exception e)
{
e.printStackTrace();
//e.printStackTrace(System.out);
System.out.println(e.toString());
theReturn = false;
}
return theReturn;
}

public boolean addUser(String userName)
{ //添加邮件用户 (密码默认为空)
boolean theReturn = false;
try
{
String commond = "/usr/sbin/useradd "+userName+
" -g mail -d /dev/null -s /bin/false";
Process process = Runtime.getRuntime().exec(commond);
BufferedReader br = new BufferedReader(new InputStreamReader(process.
getInputStream()));
PrintStream ps = new PrintStream(process.getOutputStream());
BufferedReader br1 = new BufferedReader(new InputStreamReader(process.
getErrorStream()));
char ac[] = new char[1024];
br1.read(ac);
if(process.waitFor()==0)
{
theReturn = true;
}
}
catch(Exception e)
{
e.printStackTrace(System.out);
theReturn = false;
}
return theReturn;
}

public boolean addUser(String userName,String pwd)
{ //添加邮件用户
boolean theReturn = addUser(userName);
if(theReturn)
{
theReturn = changePwd(userName,pwd);
if(!theReturn)
{ //修改密码失败
deleUser(userName);
}
}
return theReturn;
}

public boolean deleUser(String userName)
{ //删除邮件用户
boolean theReturn = false;
try
{
String commond = "/usr/sbin/userdel "+userName;
Process process = Runtime.getRuntime().exec(commond);
BufferedReader br = new BufferedReader(new InputStreamReader(process.
getInputStream()));
PrintStream ps = new PrintStream(process.getOutputStream());
BufferedReader br1 = new BufferedReader(new InputStreamReader(process.
getErrorStream()));
char ac[] = new char[1024];
br1.read(ac);
if(process.waitFor()==0)
{
theReturn = true;
}
}
catch(Exception exception)
{
exception.printStackTrace(System.out);
theReturn = false;
}
return theReturn;
}

public static void main(String args[]){
SendMail myMail=new SendMail();
System.out.println(myMail.sendMail("[e-mail]","this is test","my \n test"));
}
}