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jsp擷取session對象的ID

1.建立一個Dynamic Web Project項目,裡面建立三個jsp檔案,整體的架構如下所示:

jsp擷取session對象的ID

2.one.jsp裡面的代碼如下所示:

<%@ 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>example</title>
</head>
<body>
	年輕人如何養生呢? <br> <br> 
	先看看web伺服器給我們配置設定的session對象的ID:
	<%
		String id = session.getId();
	%>
	<br>
	<%=id%>
	<br> <br> 
	單擊連接配接去 <a href="tom/two.jsp" target="_blank" rel="external nofollow" >吃睡篇</a>看看吧?
</body>
</html>
           

3.two.jsp檔案裡面的代碼如下所示:

<%@ 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>example</title>
</head>
<body>
	歡迎您進入養生篇之 <font size=5>吃睡篇</font> 先看看web伺服器給我配置設定的session對象的ID:
	<%
	String id = session.getId();
	%>
	<br>
	<%=id%> <br> <br> 
	吃,不忌嘴,五谷雜糧、蔬菜水果通吃不挑食 <br> 
	睡,早睡早起不熬夜 <br> <br> 
	<!-- <a href="../cat/three.jsp" target="_blank" rel="external nofollow"  target="_blank" rel="external nofollow" >裡面的“../”不可以省略 -->
	單擊連接配接去 <a href="../cat/three.jsp" target="_blank" rel="external nofollow"  target="_blank" rel="external nofollow" >運動篇</a>看看吧?
</body>
</html>
           

4.three.jsp檔案裡面的代碼如下所示:

<%@ 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>example</title>
</head>
<body>
	歡迎您進入養生篇之 <font size=5>運動篇</font> 先看看web伺服器給我配置設定的session對象的ID:
	<%
	String id = session.getId();
	%>
	<br>
	<%=id%> <br> <br> 
	動,堅持運動——這一點很多年輕人都做不好, <br>
	高興起來就拼命打球,懶起來就拼命睡覺,不好!<br> 
	總之,生活規律化,堅持長期運動<br> <br> 
	<!-- <a href="../one.jsp" target="_blank" rel="external nofollow"  target="_blank" rel="external nofollow" >裡面的“../”不可以省略 -->
	單擊連接配接去 <a href="../one.jsp" target="_blank" rel="external nofollow"  target="_blank" rel="external nofollow" >首頁</a>看看吧?
</body>
</html>
           

5. 在浏覽器裡面輸入http://localhost:8080/meme/one.jsp運作之後得到的結果如下所示:

jsp擷取session對象的ID
jsp擷取session對象的ID
jsp擷取session對象的ID