jsp中群发邮件群发邮件实例

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jsp中群发邮件

1、获取需要的jar文件，mail.jar(http://java.sun.com/products/javamail/)和activation.jar(http://java.sun.com/products/javabeans/glasgow/jaf.html)，将activation.jar和mail.jar复制到应用程序的//WEB-INF//lib中，即可使用。

2、sendmail.jsp文件代码：
<% @page contentType=/"text/html;charset=gb2312/"%>
<%@ page import=/"java.sql.*,java.io.*,java.util.*,java.text.*, javax.mail.*, javax.mail.internet.*/" %>
<jsp:useBean id=/"connBean/" scope=/"session/" class=/"opendb.opendb/"/><html>
<head>
<title>JavaMail 电子邮件发送系统</title>
</head>
<body>

<%
String userName = (String)session.getAttribute(/"userName/");
String figure = (String)session.getAttribute(/"figure/");
String from = /"/";
String to = /"/";
ResultSet rs = null;
String smtphost = /"smtp.yeah.net/"; // 发送邮件服务器
String user = /"zyf0808/"; // 填写自己的邮件服务器登录用户名
String password = /"123456789/"; // 填写你自己的邮件服务器登录密码
String subject = connBean.change(request.getParameter(/"txtSubject/")); // 邮件标题
String body =connBean.change(request.getParameter(/"txtContent/"));// 邮件内容
    if(userName!=null && !userName.equals(/"/"))
{
     ResultSet rst = connBean.ExecuteQuery(/"SELECT Email FROM Classmates WHERE UserName = ’/"+userName+/"’ /");
     if (rst.next())
      from = rst.getString(/"Email/");      //发件人地址
     else from = /"zyf0808@yeah.net/"; //换成可用的管理员的邮箱地址
}
else
{
   //未登录
%>
<SCRIPT language=/"JavaScript/">
   alert(/"对不起，您尚未登录，只有登录的管理员同学才能使用该功能！/")
   window.location.replace(/"../login.jsp/");
</SCRIPT>
<%
}
//得到除当前登录管理员外的所有用户的邮箱
rs = connBean.ExecuteQuery(/"SELECT Email FROM Classmates WHERE UserName <> ’/"+userName+/"’/");
    while (rs.next())
{
to = rs.getString(/"Email/"); // 接受人邮件地址
   if (to !=null && !to.equals(/"/") )
{
try
{
   Properties props = new Properties();
   props.put(/"mail.smtp.host/", smtphost);
   props.put(/"mail.smtp.auth/",/"true/");
   Session ssn = Session.getInstance(props, null);

MimeMessage message = new MimeMessage(ssn); [Page]

   InternetAddress fromAddress = new InternetAddress(from);
   message.setFrom(fromAddress);
   InternetAddress toAddress = new InternetAddress(to);
   message.addRecipient(Message.RecipientType.TO, toAddress);

message.setSubject(subject);
message.setText(body);

   Transport transport = ssn.getTransport(/"smtp/");
   transport.connect(smtphost, user, password);
   transport.sendMessage(message, message.getRecipients(Message.RecipientType.TO));
   transport.close();
}
catch(Exception e)
   {
    out.println(e.toString());
   }
}
}
%>
<SCRIPT language=/"JavaScript/">
   alert(/"邮件已经成功发送！/")
   window.location.replace(/"../index.jsp/");
</SCRIPT>
</BODY>
</HTML>