javamail 找回密码

来源：互联网发布：python urllib 编辑：程序博客网时间：2024/06/11 20:02

package util;

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

public class Email {

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 Email() {
setSmtpHost("smtp.126.com");// 如果没有指定邮件服务器,就从getConfig类中获取
createMimeMessage();
}

public Email(String smtp) {
setSmtpHost(smtp);
createMimeMessage();
}

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;
  }
}

/**
* @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;
  }
}

/**
* @param destMail
*            目的地邮件地址
* @param content
*            正文内容
*/

public void send(String destMail, String content,String uname) {
  String mesg="这个是你要添加的内容"

  if (setSubject("密码找回") == false)
   return;
  if (setBody(mesg) == false)
   return;
  if (setTo(destMail) == false)
   return;
  if (setFrom("这里是你自己的邮箱") == false)
   return;

  setNamePass("你邮箱的用户名", "你邮箱的密码");
  setNeedAuth(true);
  if (sendout() == false)
   return;
}

/**
* Just do it as this
*/
// public static void main(String[] args) {
//
//  Email mail = new Email();
//  mail.send("对方的邮箱", "内容");
//
// }
}