JFreechart multi line chart help in JSP
Hi,
I am am looking for and help in getting multi line chart with Jfree chart, i had manage to write a singe line chart but i need multy line can you please help.
<%@page contentType="text/html" pageEncoding="UTF-8"%>
JSP Page
<%@ page import="java.io.*"%>
<%@ page import="java.awt.*" %>
<%@ page import="java.io.*" %>
<%@ page import="java.sql.*" %>
<%@ page import="org.jfree.data.jdbc.JDBCPieDataset" %>
<%@ page import="org.jfree.chart.plot.PlotOrientation" %>
<%@ page import="org.jfree.chart.JFreeChart" %>
<%@ page import="org.jfree.chart.ChartUtilities" %>
<%@ page import="org.jfree.chart.ChartFactory" %>
<%@ page import="org.jfree.data.general.DefaultPieDataset" %>
<%@ page import="org.jfree.chart.*"%>
<%@ page import="org.jfree.chart.entity.*"%>
<%@ page import="org.jfree.data.general.*"%>
<%@ page import="org.jfree.chart.plot.PiePlot" %>
<%@ page import="org.jfree.data.jdbc.JDBCCategoryDataset"%>
<%@page import="org.jfree.chart.plot.CategoryPlot"%>
<%@page import="org.jfree.chart.plot.XYPlot"%>
<%@page import="org.jfree.data.xy.XYDataset"%>
?
<%
String query="select Time, mem_free from server_status where server_name like 'z2bizadmin01.zlt'";
JDBCCategoryDataset dataset=new JDBCCategoryDataset("jdbc:mysql://localhost/server_info", "com.mysql.jdbc.Driver","root", "optus123");
dataset.executeQuery(query);
//(final XYDataset dataset){
final JFreeChart chart = ChartFactory.createLineChart("zlt Admin server memory status", "Time", "MEM Free", dataset, PlotOrientation.VERTICAL, true, true, false);
final CategoryPlot plot = (CategoryPlot) chart.getPlot();
plot.setBackgroundPaint(Color.white);
try
{
final ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
final File file1 = new File(getServletContext().getRealPath(".") + "/linechart.png");
ChartUtilities.saveChartAsPNG(file1, chart, 1000, 800, info);
} catch (Exception e) {
System.out.println(e);
}
%>
<h1>Hello World!</h1>
<IMG SRC="linechart.png" WIDTH="1500" HEIGHT="500" style="border:4px solid orange;" USEMAP="#chart" alt="image">
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