java 发送邮件

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package com.xu.email.send;

import java.util.Properties;
import java.util.regex.Pattern;

import javax.mail.Address;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

public class XEmail {

              private static final String EMAIL="^\\s*\\w+(?:\\.{0,1}[\\w-]+)*@[a-zA-Z0-9]+(?:[-.][a-zA-Z0-9]+)*\\.[a-zA-Z]+\\s*$";//邮箱

              private String ACCOUNT="************@163.com";//发送者的邮箱账号
              private String PASSWORD="**********";    //发送者的邮箱密码
              private String HOST = "smtp.163.com";        //邮箱服务器
              private String PROTOCOL = "smtp";          //邮箱协议
//      private int    PORT = 25;                     //服务器端口

private Session session;
      private Message message ;
              private boolean debug=false;//默认关闭debug
      private boolean isSuccess=false;
   /**
                 * 构造方法
       */
              public XEmail() {
                         Properties properties=new Properties();//Properties 属性文件
                         properties.setProperty("mail.debug",debug+"");//开启debug模式显示发送详情    可以不写
                         properties.setProperty("mail.smtp.auth","true");// 发送服务器需要身份验证
       properties.setProperty("mail.host",HOST); // 设置邮件服务器主机名
       properties.setProperty("mail.transport.protocol",PROTOCOL);// 发送邮件协议名称
                         session =Session .getInstance(properties);// 设置环境信息
                         message =new MimeMessage(session);   // 创建邮件对象
             }


              /**
                 * @param debug 是否开启debug调试
                 */
             public void setDebug(boolean debug) {
                          this.debug = debug;
             }

             /**
               * 验证邮箱
           * @param email 邮箱账号
             */
             private boolean isEmail(String email){
                          boolean result=false;
                          if(!Pattern.matches(EMAIL, email)){
                                       result= false;
                                       throw new RuntimeException("The type of email is wrong! Please check it until suitable.");
                           }else{
                                       result= true;
                          }
                          return result;
             }

              /**
               * 发送邮件
           * @param subject 要发送的邮件的主题
             * @param content 要发送的邮件的类容
             * @param email   接受者邮箱的账号
             * @return                是否发送成功
           * @throws MessagingException 异常
             */
             public boolean sendEmail(String subject,String content,String email){
                          if(isEmail(email)){
                                       try {
                                                    message.setSubject(subject);// 设置发送主题
                                                    message.setText(content);   // 设置邮件内容
                                                    message.setFrom(new InternetAddress(ACCOUNT));// 设置发件人
                                                    Transport transport =session.getTransport();// 连接邮件服务器
                                                    transport.connect(ACCOUNT,PASSWORD);// 登录邮件服务器      账号/密码
                                                    transport.sendMessage(message, new Address[] {new InternetAddress(email)});//设置邮件发送人邮箱-email
                                                    transport.close(); // 关闭连接
                                                    isSuccess=true;
                                       } catch (Exception e) {
                                                    isSuccess=false;
                                                    throw new RuntimeException(e.getMessage());
                                       }
                          }
                          return isSuccess;
             }

}

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