JSP的page对象

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一 简介

page对象就是指向当前JSP页面本身，有点像类中的this指针，它是java.lang.Object类的实例。

 

二 常用方法

 

 

三 实例

<%@ page language = "java" import = "java.util.*" contentType = "text/html; charset=utf-8" %>

<%

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 'index.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" >

        

  head >

 

  < body >

    < h1 > page内置对象 h1 >

   

         当前page页面对象的字符串描述： <%= page.toString() %> < br >

             

                  

  body >

html >

 

四 运行结果

 

 

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