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JSPÓï·¨£º<%-- ÄÚÈÝ --%>
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JSPÓï·¨:<%! declaration;[declaration;]+... %>
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<%!
int i=0;int a,b,c;
Color red=new Color(255,0,0);
private static final String OK="ok";
public String getAnswer(){
return OK;
}
%>
XMLÓï·¨£º
<jsp:declaration>
declartion;[declaration;]+...
</jsp:declaration>
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<jsp:declaration>
int i=0;int a,b,c;
Color red=new Color(255,0,0);
private static final String OK="ok";
public String getAnswer(){
return OK;
}
</jsp:declaration>
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JSPÓï·¨£º<%=expression%>
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<%=Math.round(Math.random*100)%>
XMLÓï·¨£º
<jsp:expression>
expression
</jsp:expression>
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<jsp:expression>
Math.round(Math.random*100)
</jsp:expression>
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JSPÓï·¨£º<% your java code %>
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<%
String username=request.getParameter("username").trim();
String password=request.getParameter("password").trim();
%>
XMlÓï·¨£º
<jsp:scriptlet>
your java code
</jsp:scriptlet>
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<jsp:scriptlet>
String username=request.getParameter("username").trim();
String password=request.getParameter("password").trim();
</jsp:scriptlet>
5£¬Ö¸Áinclude
JSPÓï·¨£º<%@include file="relativeURL"%>
ÀýÈ磺<%@include file="static_head.html"%>
XMLÓï·¨£º<jsp:directive.include file="relativeURL"/>
ÀýÈ磺<jsp:directive.include file="static_head.html"/>
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JSPÓï·¨£º<%@page attribtes%>
ÀýÈ磺<%@page import="java.util.HashMap"%>
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<%@ page contentType="text/html;charset=gb2312" %>
<html>
<head>
<title>HelloBean</title>
</head>
<body>
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