Java/JSP/Include
Содержание
Forward a request
<source lang="java">
// getrequest.jsp
anything here will now appear in the browser
<jsp:forward page="gotForwardedRequest.jsp"/>
anything here will not appear
//File: gotForwardedRequest.jsp
<html>
<head><title>Request forwarded here</title></head>
<body>
This page received a forwarded request from getRequest.jsp,
This page is the output from gotForwardedRequest.jsp,
but the URL is for getRequest.jsp.
</body>
</html>
</source>
Include another file
<source lang="java">
<html>
<HEAD><TITLE>Include another file</TITLE></HEAD> <BODY> <%@ include file="welcomeText.html" %>
This text appears after the included file </BODY> </HTML> // File:welcomeText.html
| Welcome to your online account |
</source>
JSP Include
<source lang="java">
//File: index.html <%@ page errorPage="errorpage.jsp" %> <html>
<head> <title>Welcome to JSP</title> </head> <body>
<%@ include file="titlebar.jsp" %> |
<%out.println(" %> |
</body>
</html>
////////////////////////////////////////////////////////////// //File: titleBar.jsp
<%
// Get the User"s Name from the session
out.println("Hello: " + request.getParameter("user") + "");
%>
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</source>
Jsp Include Static HTML
<source lang="java">
//File: includeTest.jsp
<HTML>
<HEAD><TITLE> Include Test </TITLE></HEAD>
<BODY>
I should see this
<%@ include file="insert.html" %>
If I don"t, then the URL is not working...
</BODY>
</HTML>
/////////////////////////////////////////////
//File: insert.html
right below the line that reads: "I should see this"
</source>
Jsp page includes another Jsp page
<source lang="java">
//File: index.jsp <html>
<body bgcolor="white"> <%@ page buffer="5kb" autoFlush="false" %> <p>In place evaluation of another JSP which gives you the current time: <%@ include file="foo.jsp" %> <p> <jsp:include page="foo.html" flush="true"/> by including the output of another JSP: <jsp:include page="foo.jsp" flush="true"/>
- -)
</html>
//////////////////////////////////////////////////////////////////// //File: foo.jsp
<body bgcolor="white"> <%= System.currentTimeMillis() %> //////////////////////////////////////////////////////////////////// //File: foo.html
To get the current time in ms
</source>
JSP standard action: include
<source lang="java">
/* Beginning JavaServer Pages Vivek Chopra, Jon Eaves, Rupert Jones, Sing Li, John T. Bell ISBN: 0-7645-7485-X
- /
</source>
Passing parameters during including
<source lang="java">
<html> <head> <title>This page passes parameters</title> </head> <body>
<jsp:include page="includeFileNeedingAParameter.jsp">
<jsp:param name="department" value="Electrical"/>
</jsp:include> Above text is from includeFileNeedingAParameter.jsp. </body> </html> //File : includeFileNeedingAParameter.jsp
<%=request.getParameter("department") %> Department
</source>
Using Include And Pass Value
<source lang="java">
//File: index.jsp <%@ page errorPage="errorpage.jsp" %> <html>
<head> <title>Employee Information</title> </head> <body>
<jsp:include page="header.jsp" flush="true">
<jsp:param name="employee" value="Bob"/>
<jsp:param name="title" value="Engineer"/>
</jsp:include>
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