java 发邮件 代码

1. MailSenderInfo

package org.fh.util.mail;   

/**
 * 说明:发送邮件需要使用的基本信息 
 * 作者:FH Admin
 * from:www.fhadmin.org
 */
import java.util.Properties;    
public class MailSenderInfo {    
    // 发送邮件的服务器的IP和端口    
    private String mailServerHost;    
    private String mailServerPort = "25";    
    // 邮件发送者的地址    
    private String fromAddress;    
    // 邮件接收者的地址    
    private String toAddress;    
    // 登陆邮件发送服务器的用户名和密码    
    private String userName;    
    private String password;    
    // 是否需要身份验证    
    private boolean validate = false;    
    // 邮件主题    
    private String subject;    
    // 邮件的文本内容    
    private String content;    
    // 邮件附件的文件名    
    private String[] attachFileNames;      
    /**   
      * 获得邮件会话属性   
      */    
    public Properties getProperties(){    
      Properties p = new Properties();    
      p.put("mail.smtp.host", this.mailServerHost);    
      p.put("mail.smtp.port", this.mailServerPort);    
      p.put("mail.smtp.auth", validate ? "true" : "false");    
      return p;    
    }    
    public String getMailServerHost() {    
      return mailServerHost;    
    }    
    public void setMailServerHost(String mailServerHost) {    
      this.mailServerHost = mailServerHost;    
    }   
    public String getMailServerPort() {    
      return mailServerPort;    
    }   
    public void setMailServerPort(String mailServerPort) {    
      this.mailServerPort = mailServerPort;    
    }   
    public boolean isValidate() {    
      return validate;    
    }   
    public void setValidate(boolean validate) {    
      this.validate = validate;    
    }   
    public String[] getAttachFileNames() {    
      return attachFileNames;    
    }   
    public void setAttachFileNames(String[] fileNames) {    
      this.attachFileNames = fileNames;    
    }   
    public String getFromAddress() {    
      return fromAddress;    
    }    
    public void setFromAddress(String fromAddress) {    
      this.fromAddress = fromAddress;    
    }   
    public String getPassword() {    
      return password;    
    }   
    public void setPassword(String password) {    
      this.password = password;    
    }   
    public String getToAddress() {    
      return toAddress;    
    }    
    public void setToAddress(String toAddress) {    
      this.toAddress = toAddress;    
    }    
    public String getUserName() {    
      return userName;    
    }   
    public void setUserName(String userName) {    
      this.userName = userName;    
    }   
    public String getSubject() {    
      return subject;    
    }   
    public void setSubject(String subject) {    
      this.subject = subject;    
    }   
    public String getContent() {    
      return content;    
    }   
    public void setContent(String textContent) {    
      this.content = textContent;    
    }    
}   

2.MyAuthenticator

package org.fh.util.mail;

import javax.mail.Authenticator;
import javax.mail.PasswordAuthentication;

/**
 * 说明:发送邮件需要使用的基本信息 
 * 作者:FH Admin
 * from:www.fhadmin.org
 */
public class MyAuthenticator extends Authenticator{   
    String userName=null;   
    String password=null;   
        
    public MyAuthenticator(){   
    }   
    public MyAuthenticator(String username, String password) {    
        this.userName = username;    
        this.password = password;    
    }    
    protected PasswordAuthentication getPasswordAuthentication(){   
        return new PasswordAuthentication(userName, password);   
    }   
}   

3.SimpleMailSender

package org.fh.util.mail;

import java.util.Date;
import java.util.Properties;

import javax.mail.Address;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.Multipart;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;

/**
 * 说明:邮件发送器
 * 作者:FH Admin
 * from:www.fhadmin.org
 */
public class SimpleMailSender {

	/**
	 * 以文本格式发送邮件
	 * @param mailInfo 待发送的邮件的信息
	 */
	public boolean sendTextMail(MailSenderInfo mailInfo) throws Exception {
		// 判断是否需要身份认证
		MyAuthenticator authenticator = null;
		Properties pro = mailInfo.getProperties();
		if (mailInfo.isValidate()) {
			// 如果需要身份认证,则创建一个密码验证器
			authenticator = new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword());
		}
		// 根据邮件会话属性和密码验证器构造一个发送邮件的session
		Session sendMailSession = Session.getInstance(pro, authenticator);
		// 根据session创建一个邮件消息
		Message mailMessage = new MimeMessage(sendMailSession);
		// 创建邮件发送者地址
		Address from = new InternetAddress(mailInfo.getFromAddress());
		// 设置邮件消息的发送者
		mailMessage.setFrom(from);
		// 创建邮件的接收者地址,并设置到邮件消息中
		Address to = new InternetAddress(mailInfo.getToAddress());
		mailMessage.setRecipient(Message.RecipientType.TO, to);
		// 设置邮件消息的主题
		mailMessage.setSubject(mailInfo.getSubject());
		// 设置邮件消息发送的时间
		mailMessage.setSentDate(new Date());
		// 设置邮件消息的主要内容
		String mailContent = mailInfo.getContent();
		mailMessage.setText(mailContent);
		// 发送邮件
		Transport.send(mailMessage);
		return true;
	}

	/**
	 * 以HTML格式发送邮件
	 * 
	 * @param mailInfo 待发送的邮件信息
	 */
	public boolean sendHtmlMail(MailSenderInfo mailInfo) throws Exception {
		// 判断是否需要身份认证
		MyAuthenticator authenticator = null;
		Properties pro = mailInfo.getProperties();
		// 如果需要身份认证,则创建一个密码验证器
		if (mailInfo.isValidate()) {
			authenticator = new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword());
		}
		// 根据邮件会话属性和密码验证器构造一个发送邮件的session
		Session sendMailSession = Session.getInstance(pro, authenticator);
		// 根据session创建一个邮件消息
		Message mailMessage = new MimeMessage(sendMailSession);
		// 创建邮件发送者地址
		Address from = new InternetAddress(mailInfo.getFromAddress());
		// 设置邮件消息的发送者
		mailMessage.setFrom(from);
		// 创建邮件的接收者地址,并设置到邮件消息中
		Address to = new InternetAddress(mailInfo.getToAddress());
		// Message.RecipientType.TO属性表示接收者的类型为TO
		mailMessage.setRecipient(Message.RecipientType.TO, to);
		// 设置邮件消息的主题
		mailMessage.setSubject(mailInfo.getSubject());
		// 设置邮件消息发送的时间
		mailMessage.setSentDate(new Date());
		// MiniMultipart类是一个容器类,包含MimeBodyPart类型的对象
		Multipart mainPart = new MimeMultipart();
		// 创建一个包含HTML内容的MimeBodyPart
		BodyPart html = new MimeBodyPart();
		// 设置HTML内容
		html.setContent(mailInfo.getContent(), "text/html; charset=utf-8");
		mainPart.addBodyPart(html);
		// 将MiniMultipart对象设置为邮件内容
		mailMessage.setContent(mainPart);
		// 发送邮件
		Transport.send(mailMessage);
		return true;
	}

	/**
	 * @param SMTP    邮件服务器
	 * @param PORT    端口
	 * @param EMAIL   本邮箱账号
	 * @param PAW     本邮箱密码
	 * @param toEMAIL 对方箱账号
	 * @param TITLE   标题
	 * @param CONTENT 内容
	 * @param TYPE    1:文本格式;2:HTML格式
	 */
	public static void sendEmail(String SMTP, String PORT, String EMAIL, String PAW, String toEMAIL, String TITLE,
			String CONTENT, String TYPE) throws Exception {
		// 这个类主要是设置邮件
		MailSenderInfo mailInfo = new MailSenderInfo();
		mailInfo.setMailServerHost(SMTP);
		mailInfo.setMailServerPort(PORT);
		mailInfo.setValidate(true);
		mailInfo.setUserName(EMAIL);
		mailInfo.setPassword(PAW);
		mailInfo.setFromAddress(EMAIL);
		mailInfo.setToAddress(toEMAIL);
		mailInfo.setSubject(TITLE);
		mailInfo.setContent(CONTENT);
		// 这个类主要来发送邮件
		SimpleMailSender sms = new SimpleMailSender();
		if ("1".equals(TYPE)) {
			sms.sendTextMail(mailInfo);
		} else {
			sms.sendHtmlMail(mailInfo);
		}

	}

	public static void main(String[] args) {
		try {
			SimpleMailSender.sendEmail("smtp.163.com","25","fhadmin@qq.com","密码","313596790@qq.com","你好","<p>你好</p>","2");
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

}
原文地址:https://www.cnblogs.com/teacher11/p/14921940.html