JSP与JavaMail (三)
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<script type="text/javascript">google_ad_client = "pub-8800625213955058";/* 336x280, 创建于 07-11-21 */google_ad_slot = "0989131976";google_ad_width = 336;google_ad_height = 280;//</script><script type="text/javascript"src="http://pagead2.googlesyndication.com/pagead/show_ads.js"></script>4.试着编写第一个发送程序 在前面我们已对JavaMail作了一些介绍,下面我们可试着写自己的程序了. 首先,我们先写一个撰写邮件的html程序index.htm,如下:-------------------------------------------------------------------------------------------<html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>撰写邮件</title></head><body><form name="form1" method="post" action="testmail.jsp"> <table width="75" border="0" align="center" cellspacing="1" bgcolor="#006600" class="black"> <tr bgcolor="#FFFFFF"> <td width="24%">收信人地址:</td> <td width="76%"> <input name="to" type="text" id="to"></td> </tr> <tr bgcolor="#FFFFFF"> <td>主题:</td> <td> <input name="title" type="text" id="title"></td> </tr> <tr> <td height="107" colspan="2" bgcolor="#FFFFFF"> <textarea name="content" cols="50" rows="5" id="content"></textarea></td> </tr> <tr align="center"> <td colspan="2" bgcolor="#FFFFFF"> <input type="submit" name="Submit" value="发送"> <input type="reset" name="Submit2" value="重置"> </td> </tr> </table></form></body></html> 接着,我们再写一个处理程序testmail.jsp,如下:-----------------------------------------------------------------------------------------<%@ page contentType="text/html;charset=GB2312" %><%request.setCharacterEncoding("gb2312");%><!--中文处理代码--><!--引入要用到的类库--><%@ page import="java.util.*,javax.mail.*"%><%@ page import="javax.mail.internet.*"%><html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>发送成功</title></head><body><%try{//从html表单中获取邮件信息String tto=request.getParameter("to");String ttitle=request.getParameter("title");String tcontent=request.getParameter("content");Properties props=new Properties();//也可用Properties props = System.getProperties(); props.put("mail.smtp.host","smtp.163.net");//存储发送邮件服务器的信息props.put("mail.smtp.auth","true");//同时通过验证Session s=Session.getInstance(props);//根据属性新建一个邮件会话s.setDebug(true);MimeMessage message=new MimeMessage(s);//由邮件会话新建一个消息对象//设置邮件InternetAddress from=new InternetAddress("boy@163.net");message.setFrom(from);//设置发件人InternetAddress to=new InternetAddress(tto);message.setRecipient(Message.RecipientType.TO,to);//设置收件人,并设置其接收类型为TOmessage.setSubject(ttitle);//设置主题message.setText(tcontent);//设置信件内容message.setSentDate(new Date());//设置发信时间//发送邮件message.saveChanges();//存储邮件信息Transport transport=s.getTransport("smtp");transport.connect("smtp.163.net","boy","iloveyou");//以smtp方式登录邮箱transport.sendMessage(message,message.getAllRecipients());//发送邮件,其中第二个参数是所有 //已设好的收件人地址transport.close();%><div align="center"> <p><font color="#FF6600">发送成功!</font></p> <p><a href="recmail.jsp">去看看我的信箱</a><br> <br> <a href="index.htm">再发一封</a> </p></div><%}catch(MessagingException e){out.println(e.toString());}%></body></html>**********************************注意*************************************** 有好多书上和网上的文章在关键部分都是这样写testmail.jsp的,如下:String tto=request.getParameter("to");String ttitle=request.getParameter("title");String tcontent=request.getParameter("content");Properties props=new Properties();props.put("mail.smtp.host","smtp.163.net");Session s=Session.getInstance(props);MimeMessage message=new MimeMessage(s);InternetAddress from=new InternetAddress("boy@163.net");message.setFrom(from);InternetAddress to=new InternetAddress(tto);message.setRecipient(Message.RecipientType.TO,to);message.setSubject(ttitle);message.setText(tcontent);message.setSentDate(new Date());Store store=s.getStore("pop3");store.connect("pop.163.net","boy","iloveyou");//以pop3的方式登录邮箱Transport transport=s.getTransport("smtp");transport.send(message);store.close(); 事实上,这种方式并不可靠,因为很多电子邮局的smtp服务器要求我们通过验证,所以用这种方式发邮件时,只能发给同类邮箱(即相同smtp的邮箱),甚至有时同类邮箱也发不出去.以上两种方式我试过很多次,结果证明第一种方式是最可靠的. 好了,我相信你应该会写最简单的Email发送程序了.OK,下一次我们将说说怎样写发送HTML格式的邮件. (待续)