当前的JFreeChart的最新版本为jfreechart-1.0.11.zip。可以到http://.hong.bean.LineXYChart"%>
<%@ page import = "java.io.PrintWriter" %>
<%
LineXYChart xyChart=new LineXYChart();
String fileName=xyChart.getLineXYChart(session,new PrintWriter(out));
String graphURL = request.getContextPath() + "/servlet/DisplayChart?filename=" + fileName;
%>
<html>
</head>
<title> JFreeChart使用例子</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body>
<img src="<%= graphURL %>" width=500 height=300 border=0 usemap="<%= fileName %>">
</body>
</html>
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