Response回應物件主要將JSP容器處理後的結(jié)果傳回客戶端??梢酝高^response變數(shù)設定HTTP的狀態(tài)和向客戶端發(fā)送數(shù)據(jù),如Cookie、HTTP檔案頭資訊等。

JSP 伺服器回應 語法

狀態(tài)列包含HTTP版本訊息,例如HTTP/1.1,一個狀態(tài)碼,例如200,還有一個非常短的訊息對應狀態(tài)碼,例如OK。

JSP 伺服器回應 範例

<%@?page?language="java"?contentType="text/html;?charset=UTF-8"
????pageEncoding="UTF-8"%><%@?page?import="java.io.*,java.util.*"?%>
????<!DOCTYPE?html>
????<html>
????<head>
????<meta?charset="utf-8"><title>php.cn</title>
????</head>
????<body>
????<h2>自動刷新實例</h2>
????<%
???//?設定每隔5秒自動刷新
???response.setIntHeader("Refresh",?5);
???//?取得目前時間
???Calendar?calendar?=?new?GregorianCalendar();
???String?am_pm;
???int?hour?=?calendar.get(Calendar.HOUR);
???int?minute?=?calendar.get(Calendar.MINUTE);
???int?second?=?calendar.get(Calendar.SECOND);
???if(calendar.get(Calendar.AM_PM)?==?0)
??????am_pm?=?"AM";
???else
??????am_pm?=?"PM";
???String?CT?=?hour+":"+?minute?+":"+?second?+"?"+?am_pm;
???out.println("目前時間:?"?+?CT?+?"\n");%></body></html>