Happy邮件系统登录与发送-优快云博客

本文链接：https://blog.youkuaiyun.com/selfimpl/article/details/8821689

本文介绍了一个简单的Java Web应用程序，用于实现Happy邮件系统的登录功能和邮件发送功能。该系统使用JSP作为前端页面，通过SMTP协议连接到QQ邮箱服务器进行邮件发送。文章详细展示了login.jsp和send_mail.jsp两个关键页面的代码实现。

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login.jsp

<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>Happy邮件系统</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->
  </head>
	<body>
		<center><h2>Happy邮件系统-登录</h2></center>
	    <form name="form1" method="post" action="handle_login.jsp">
			<center>
				<h3><font color="red">登录邮箱</font><br></h3>
				<table>
					<tr>
						<td>邮箱地址：</td><td><input name="emailAddress" type="text" value="756355817@qq.com"></td></tr>
					<tr>
						<td>邮箱密码：</td><td><input name="emailPassword" type="password"></td>
					</tr>
					<tr>
						<td colspan="2">
							<center><input type="submit" name="Submit" value="登录"></center>
						</td>
					</tr>
				</table>
			</center>
		</form>
	</body>
</html>

send_mail.jsp

<%@page import="javax.mail.Transport"%>
<%@page import="javax.activation.DataHandler"%>
<%@page import="javax.activation.FileDataSource"%>
<%@page import="javax.mail.BodyPart"%>
<%@page import="javax.mail.internet.MimeMultipart"%>
<%@page import="javax.mail.internet.MimeUtility"%>
<%@page import="javax.mail.internet.MimeBodyPart"%>
<%@page import="javax.mail.Multipart"%>
<%@page import="javax.mail.Message"%>
<%@page import="javax.mail.internet.InternetAddress"%>
<%@page import="javax.mail.internet.MimeMessage"%>
<%@page import="javax.mail.Session"%>


<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
  <%!
  	//解决请求参数中文乱码
  	public String code(String str){
  		String backStr = str;
  		try{
  			backStr = new String(str.getBytes("ISO-8859-1"));
  		}catch(Exception e){e.printStackTrace();}
  		return backStr;
  	}
  	//从文件路径中获取文件名
  	public String getFileName(String path){
  		String fileName = null;
  		int i = path.lastIndexOf("\\"); 
  		fileName = path.substring(i+1);
  		return fileName;
  	}
   %>
  </head>
  <body>
  <%
  	String to=code(request.getParameter("to"));
  	String title=code(request.getParameter("title"));
  	String content=code(request.getParameter("content"));
  	String attachment =code(request.getParameter("attachmenth"));
  	
  	//获取刚登陆成功的Email地址和密码
  	String emailAddress=(String)session.getAttribute("emailAddress");
	String emailPassword=	(String)session.getAttribute("emailPassword");
	
	Properties prop =new Properties();
	prop.put("mail.smtp.host","smtp.qq.com");
	prop.put("mail.smtp.auth",true);
	Session mail_session=Session.getInstance(prop);
	
	try
	{
	    //创建邮件对象
	    MimeMessage msg =new MimeMessage(mail_session);
	    msg.setFrom(new InternetAddress(emailAddress));
	    msg.setRecipient(Message.RecipientType.TO,new InternetAddress(to));
	    msg.setSubject(title);
	    //msg.setText(content);
	    //创建邮件内容部分，邮件不止一个部分
	    MimeMultipart multipart = new MimeMultipart();
	    
	    //往内容中添加正文部分
	    MimeBodyPart bodypart = new MimeBodyPart();
	    bodypart.setContent(content,"text/html;charset=gb2312");
	    multipart.addBodyPart(bodypart);
	    
	    //DataHandler dh =new DataHandler("JavaMail附件测试","text/plain;cherset=gb232");
	    //FileDataSource fds =new FileDataSource("c:/story.txt");
	    //dh =new DataHandler(fds);
	    //bodypart.setFileName("story.txt");//可以和原文件名不一致
	    //bodypart.setDataHandler(dh);
	    //multipart.addBodyPart( bodypart);
	    
	    
	    
	    
	    
	    msg.setContent(multipart);
	    
	    Transport ts = mail_session.getTransport("smtp");
	    ts.connect("smtp.qq.com",emailAddress,emailPassword);
	    
	    ts.sendMessage(msg,msg.getAllRecipients());
	    ts.close();
	    
	    //发送成功
	    out.println("send message success!");
	
	}
	catch(Exception ex)
	{
	    //发送失败
	    out.println("send message fail!");
	    ex.printStackTrace();
	}
	
  %>
  </body>
</html>

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