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  • 运用application编写简单留言板

    1、留言界面代码

    <%@ page language="java" contentType="text/html; charset=UTF-8"
        pageEncoding="UTF-8"%>
    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>Insert title here</title>
    </head>
    <body>
    <form action="jieshou.jsp" method="post">
    <table wight="400" height="300" bord="1" bordercolor="FFFFFF" >
    <tr align="center" height="40"><td>留言簿</td></tr>
    <tr><td>
    <textarea rows="30" cols="80" name="liuyan"></textarea>
    </td></tr>
    <tr align="center" colspan="2"><td>
    <input type="submit" value="提交留言">
    </td></tr>
    </table>
    </form>
    </body>
    </html>
    

     2、接受留言界面代码

    <%@ page language="java" contentType="text/html; charset=UTF-8"
        pageEncoding="UTF-8"%>
    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>Insert title here</title>
    </head>
    <body>
    <%
    String name=new String(request.getParameter("liuyan").getBytes("ISO-8859-1"),"UTF-8");
    application.setAttribute("liuyan", name);
    
    %>
    留言成功!
    <a href="xianshi.jsp">点击查看留言</a>
    
    </body>
    </html>
    

     3、显示留言代码

    <%@page import="lianxi.zhuanhuan"%>
    <%@ page language="java" contentType="text/html; charset=UTF-8"
        pageEncoding="UTF-8"%>
    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>Insert title here</title>
    </head>
    <body>
    
    <%
    
    Object ly=application.getAttribute("liuyan");
    
    out.print(ly.toString());
    %>
    </body>
    </html>
    

     4、运行结果

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  • 原文地址:https://www.cnblogs.com/jakeasd/p/5631816.html
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