java邮件类---MailUtils 用户网站统一发送激活码

package cn.pyd.itcaststore.utils;

import java.net.Authenticator;
import java.net.PasswordAuthentication;
import java.util.Properties;

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


public class MailUtils {
	public static void sendMail(String email,String emailMsg) throws AddressException,MessagingException{
		//1.创建Properties对象，并设置邮件服务器的基本信息
		Properties props=new Properties();
		//1.1设计邮件传输协议为SMIP
		 props.put("mail.smtp.host", "smtp.163.com");//存储发送邮件服务器的信息  
	        props.put("mail.smtp.auth", "true");//同时通过验证
	        props.setProperty("mail.transport.protocol", "smtp"); 
		//1.4创建验证器
		javax.mail.Authenticator auth=new javax.mail.Authenticator() {
			public javax.mail.PasswordAuthentication getPasswordAuthentication() {
				return new javax.mail.PasswordAuthentication("用户名", "密码");
			}
		};
		//实例化邮件会话Session
		Session session=Session.getInstance(props, auth);
		//2.创建一个Message，该对象相当于邮件内容
		Message message=new MimeMessage(session);
		//2.1设置发送者
		message.setFrom(new InternetAddress("用户名@163.com"));
		//2.2设置发送方式与接受者，邮件接受者在调用sendMail()方法时通过参数传递过来
		message.setRecipient(RecipientType.TO,new InternetAddress(email));
		//2.3设置邮件发送主题
		message.setSubject("用户激活");
		message.setContent(emailMsg, "text/html;charset=utf-8");
		//3.发送邮件
		Transport.send(message);
	}
}