在java中发送Email自我总结

 

   //首先是一个信息类

package com.util.mail;

/** 
 * 发送邮件需要使用的基本信息 
 */
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;
 }
}

     //验证用户名,密码等信息的类

 package com.util.mail; 
 
import javax.mail.*; 
   
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); 
    } 
    public static void main(String[] args){ 
        //这个类主要是设置邮件 
     MailSenderInfo mailInfo = new MailSenderInfo();  
     mailInfo.setMailServerHost("smtp.126.com");  
     mailInfo.setMailServerPort("25");  
     mailInfo.setValidate(true);  
     mailInfo.setUserName("wjmgood@126.com");      //发件人邮箱
     mailInfo.setPassword("***********");           //发件人邮箱的密码
     mailInfo.setFromAddress("wjmgood@126.com");  
     mailInfo.setToAddress("wjmgood@163.com");  
     mailInfo.setSubject("设置邮箱标题");  
     mailInfo.setContent("设置邮箱内容,%%%%%%%%%%%%%%%%");  
        //这个类主要来发送邮件 
     SimpleMailSender sms = new SimpleMailSender(); 
     sms.sendTextMail(mailInfo);//发送文体格式  
       //  sms.sendHtmlMail(mailInfo);//发送html格式 
    } 
} 

 

 

package com.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.MessagingException;
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;

public class SimpleMailSender {
 public boolean sendTextMail(MailSenderInfo mailInfo) {
  MyAuthenticator authenticator = null;
  Properties pro = mailInfo.getProperties();
  if (mailInfo.isValidate()) {
   authenticator = new MyAuthenticator(mailInfo.getUserName(),
     mailInfo.getPassword());
  }
  Session sendMailSession = Session
    .getDefaultInstance(pro, authenticator);
  try {
   Message mailMessage = new MimeMessage(sendMailSession);
   Address from = new InternetAddress(mailInfo.getFromAddress());
   mailMessage.setFrom(from);
   Address to = new InternetAddress(mailInfo.getToAddress());
   mailMessage.setRecipient(Message.RecipientType.TO, to);
   mailMessage.setSubject(mailInfo.getSubject());
   String mailContent = mailInfo.getContent();
   mailMessage.setText(mailContent);
   return true;
  } catch (MessagingException ex) {
   ex.printStackTrace();
  }
  return false;
 }

 public static boolean sendHtmlMail(MailSenderInfo mailInfo) {
  MyAuthenticator authenticator = null;
  Properties pro = mailInfo.getProperties();
  if (mailInfo.isValidate()) {
   authenticator = new MyAuthenticator(mailInfo.getUserName(),mailInfo.getPassword());
  }
  Session sendMailSession = Session.getDefaultInstance(pro, authenticator);
  try {
   Message mailMessage = new MimeMessage(sendMailSession);
    Address from = new InternetAddress(mailInfo.getFromAddress());
   mailMessage.setFrom(from);
     Address to = new InternetAddress(mailInfo.getToAddress());
   mailMessage.setRecipient(Message.RecipientType.TO, to);
   mailMessage.setSubject(mailInfo.getSubject());
    BodyPart html = new MimeBodyPart();
   html.setContent(mailInfo.getContent(), "text/html; charset=utf-8");
   mainPart.addBodyPart(html);
    mailMessage.setContent(mainPart);
   return true;
  } catch (MessagingException ex) {
   ex.printStackTrace();
  }
  return false;
 }
}