关于java发送邮件操作

首先需要导入三个jar包 :activation.jar   commons-email-1.3.3.jar    mail.jar

上边三个jar包下载链接：http://download.csdn.net/detail/a644821552/9720387

import java.io.IOException;
import java.util.Properties;
import javax.mail.Address;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;


public class EmailServlet extends HttpServlet {

	
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

	       this.doPost(request, response);
		
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setCharacterEncoding("utf-8");
		response.setContentType("text/html;charset=utf-8");
		
		String toU=request.getParameter("Email"); //获得对方邮箱号
		/*
		 * 向目标邮箱发送邮件
		 */
		String uTopic="定义发送内容的主题";
		String ucontenet="发送具体内容";
		
		String uname="自己邮箱账号"; //本代码采用的是163邮件主机
		String password="自己邮箱密码"; 
		
		//组织邮件
		Properties props=new Properties();//用来读取配置文件
		props.put("mail.transport.protocol", "smtp");//邮件传送协议
		props.put("mail.host","smtp.163.com");//邮件主机传送协议服务器   
		props.put("mail.smtp.auth", "true");//密码安全认证
		
         Session session=Session.getInstance(props);//定义一个邮件基本会话
		
		//组织邮件
		MimeMessage msg=new MimeMessage(session);
		
		//组织邮件内容
		Address toAddress=new InternetAddress("发送人邮箱","发送人昵称");
		
		try {
			msg.addRecipient(Message.RecipientType.TO, toAddress);
			msg.setFrom(toAddress);
			
			//发送对象
			msg.addRecipients(Message.RecipientType.TO, toU);
			
			//发送主题
			msg.setSubject(uTopic);
			
			//发送内容
			msg.setText(ucontenet);
			
			//保存邮件
			msg.saveChanges();
			
			//取得发送的工具
			Transport ts=session.getTransport();
			ts.connect(uname,password);
			ts.sendMessage(msg, msg.getAllRecipients());
			
			//关闭连接
			ts.close();
			
			
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		response.getWriter().print("邮件发送成功,请注意查收!");
	}

}