mailaction.java

用java mail的简单邮件发送

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.yourcompany.struts.action;
import java.util.Properties;

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.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import com.yourcompany.struts.form.MailForm;

/** 
 * MyEclipse Struts
 * Creation date: 10-08-2008
 * 
 * XDoclet definition:
 * @struts.action path="/mail" name="mailForm" input="/index.jsp" scope="request" validate="true"
 */
public class MailAction extends Action {
	/*
	 * Generated Methods
	 */

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		MailForm mailForm = (MailForm) form;// TODO Auto-generated method stub
		boolean mailsent=false;//发送成功与失败标志符
		/*
		 * 
		 *需要获取收信人email地址并引注掉下句
		 *String toAddr = "[e-mail]";
		 *
		 */
		String toAddr = "[e-mail]";
		String subject = "password";//email主题
		//Here write your own email or get it from a parameter
		String fromAddr = "[e-mail]";//email发信人地址
		//生成10位随机密码
		int i,j;
		String pwd="";
		for(i=0;i<10;i++)
		{
		  j=(int)(Math.random()*(122-65))+65;
		  pwd+=(char)j;
		}
		String body = "你的帐号密码为"+pwd;//email内容
		/*
		 * 
		 * 添加登陆密码更新到数据库中的SQL
		 *
		 */
		try {
		   Properties props = new Properties();
		   props.put("mail.smtp.host", "smtp.bupt.cn");//第二个参数是smtp服务器地址
		   props.put("mail.smtp.auth", "true"); //开启smtp验证方式
		   // Here we specify the SMTP server through
		   // which the mail should be delivered
		   Session session = Session.getDefaultInstance(props, null);
		   MimeMessage msg = new MimeMessage(session);		   
		   msg.setFrom(new InternetAddress(fromAddr));// Specify the From Address		   
		   InternetAddress[] tos = InternetAddress.parse(toAddr);// Format the To Address
		   msg.setRecipients(Message.RecipientType.TO, tos);// Specify the To Address
		   msg.setSubject(subject); // Specify the Subject	   
		   msg.setText(body);// Specify the Body		   
		   Transport tr=session.getTransport("smtp");
		   tr.connect("smtp.bupt.cn", "[e-mail]", "laoliljw");
		   //连接服务器并登陆 三个参数分别为smtp服务器地址、发件人Email地址、登陆密码
		   msg.saveChanges();   
		   tr.sendMessage(msg,msg.getAllRecipients());//发送Email		
		   mailsent=true;
		  } catch (Exception e) {
			mailsent=false;
		   e.printStackTrace();
		  }
		  if(mailsent==true)
		     return(mapping.findForward("1"));//发送成功跳转路径选择
		  else 
			 return(mapping.findForward("2"));//发送失败跳转路径选择
	}
}