📄 jinteractive.jsp
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<!--
Fig. 8.3_02: JInteractive.jsp
功能: JFreeChart实例26: 与Servlet交互的JSP程序
-->
<%@ page language="java" contentType="text/html;charset=GB2312" %>
<%
String chartType = request.getParameter("chartType");
%>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=gb2312">
<title>JFreeChart实例26: 利用JFreeChart编写的具有交互功能的Servlet</title>
</head>
<body>
<h1>请选择一种风格的图表<br></h1>
<FORM ACTION="JInteractive.jsp" METHOD=POST>
<INPUT TYPE="radio" NAME="chartType" VALUE="pie"> 饼图
<INPUT TYPE="radio" NAME="chartType" VALUE="pie3D"> 3D饼图
<INPUT TYPE="radio" NAME="chartType" VALUE="bar"> 直方图
<INPUT TYPE="radio" NAME="chartType" VALUE="bar3D"> 3D 直方图
<INPUT TYPE="submit" VALUE="生成图表">
</FORM>
<%
if (chartType == null)
{
out.print("<p><h2><FONT COLOR=\"#FF0000\">" +
"请选则一种风格的图表!</FONT></h2>");
}
else
{
out.print("<p><IMG SRC=\"/jInteractive?chartType=" + chartType +
"\" WIDTH=\"500\" HEIGHT=\"375\" BORDER=\"1\" />");
}
%>
</body>
</html>
<!--
/**************************************************************************
* (C) Copyright 2004-2005 by Jingkui Zhong(钟京馗) and Huan Tang(唐桓). *
* All Rights Reserved. *
* *
* DISCLAIMER: The authors of this code have used their *
* best efforts in preparing the code. These efforts include the *
* development, research, and testing of the theories and programs *
* to determine their effectiveness. The authors and publisher make *
* no warranty of any kind, expressed or implied, with regard to these *
* programs or to the documentation contained in these codes. The authors *
* shall not be liable in any event for incidental or consequential *
* damages in connection with, or arising out of, the furnishing, *
* performance, or use of these programs. *
**************************************************************************/
-->
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