JavaMail学习笔记-4（邮件模板的套用，例如论坛注册回复邮件）

邮件模板的套用：

1.编写前端页面，简单起见只输入注册用户名及邮箱地址

 

DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" >
< html >
   < head >
     < title > JavaMail4.html title >
   head >
  
   < body >
     < form  action ="SEND4"  method ="post" >
          username: < input  type ="text"  name ="uname" >< br >
          Email: < input  type ="text"  name ="email" >< br >
           < input  type ="submit"  value ="submit" >
      form >
   body >
html >

 2.编写一个回复的HTML模板，起名为mail.properties

message= < html >< body >< h2 > Hi, < font  color =red >  {0}  font > , your password is : {1} , Welcome to :  < a  href ="http://blog.csdn.net/CodeDestiny/" > My Blog a > h2 > body > html >

3.编写servlet : SEND4.java

package  com.servlet;

import  java.io.IOException;
import  java.io.PrintWriter;
import  java.text.MessageFormat;
import  java.util.Date;
import  java.util.Properties;
import  java.util.ResourceBundle;
import  javax.mail.Message;
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;
import  javax.servlet.ServletException;
import  javax.servlet.http.HttpServlet;
import  javax.servlet.http.HttpServletRequest;
import  javax.servlet.http.HttpServletResponse;

public   class  SEND4  extends  HttpServlet  ... {

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

        response.setContentType("text/html;charset=GB18030");
        PrintWriter out = response.getWriter();
        request.setCharacterEncoding("GB18030");
        
        //绑定邮件模版,mail对应mail.properties
        ResourceBundle messages = ResourceBundle.getBundle("mail");
        
        String from = "[email protected]";
        String to = request.getParameter("email");
        String subject = "欢迎你注册";
        String uname = request.getParameter("uname");
        String upass = "codedestiny-pc";
        
        // 确定要发送的邮件服务器的地址
        String mailserver = "codedestiny-pc";
        
        try ...{
            Object[] args = ...{uname,upass};
            
            //新建标准的格式
            MessageFormat formatter = new MessageFormat("");
                        
            //从资源文件中获取相应的模版信息
            formatter.applyPattern(messages.getString("message"));
            
            //填充模版,产生回复信息
            String msgtext = formatter.format(args);
            
            Properties prop = System.getProperties();
            prop.put("mail.smtp.host", mailserver);
            
            // 建立邮件发送的连接
            Session session = Session.getDefaultInstance(prop, null);
            
            // 创建发送的信息的载体
            Message msg = new MimeMessage(session);
            
            // 设置相关的邮件属性
            msg.setFrom(new InternetAddress(from));
            
            // 点到点的发送
            msg.setRecipient(Message.RecipientType.TO, new InternetAddress(to));
        
            msg.setSubject(subject);
            msg.setSentDate(new Date());
            MimeBodyPart mbp = new MimeBodyPart();
            mbp.setContent(msgtext, "text/html;charset=GB18030");
            Multipart mp = new MimeMultipart();
            mp.addBodyPart(mbp);
            msg.setContent(mp);
            
            // 发送
            Transport.send(msg);
            
        } catch (Exception e) ...{
            e.printStackTrace();
        }
        out.print("Register is OK!
");
        out.print("查看信件");
        out.flush();
        out.close();
    }

}