• WEB程序开发基础·JSP的基本语法


    完成两个页面01.jsp和02.jsp,test01.jsp有一个表单字段:number,02.jsp接受这个表单数据并进行判断。

    test01

    <%@ 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>My JSP '01.jsp' starting page</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>

        <form name="form1" method="post" action="02.jsp">

        数学:

        <label>

        <input type="text" name="number" id="textfield">

        <br>

        <input type="submit" name="button" id="button" value="提交">

        </label>

        </form>

      </body>

    </html>

    test02

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

    <%

    String path = request.getContextPath();

    String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

    %>

    <%String Num; %>

    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

    <html>

      <head>

        <base href="<%=basePath%>">    

        <title>My JSP '02.jsp' starting page</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>

       <% Num=request.getParameter("number"); %>

      <%

         Integer.valueOf(Num);

         if(Integer.valueOf(Num)>=10){

            %>

            <%=+Integer.valueOf(Num)+">=10"%>

            <%

          }else{   

             %>

             <%=+Integer.valueOf(Num)+"<10" %>

         <%

         }

       %>    

      </body> 

    </html>

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  • 原文地址:https://www.cnblogs.com/bgd150809221/p/6523943.html
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