package?jfc.servlet;

import?java.io.IOException;
import?java.io.OutputStream;

import?javax.servlet.ServletException;
import?javax.servlet.http.HttpServlet;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;

import?org.jfree.chart.ChartFactory;
import?org.jfree.chart.ChartUtilities;
import?org.jfree.chart.JFreeChart;
import?org.jfree.chart.plot.PlotOrientation;
import?org.jfree.data.category.DefaultCategoryDataset;

public?class?ServletDemo1?extends?HttpServlet?{

	/**
	?*?Constructor?of?the?object.
	?*/
	public?ServletDemo1（）?{
		super（）;
	}

	/**
	?*?Destruction?of?the?servlet.?

	?*/
	public?void?destroy（）?{
		super.destroy（）;?//?Just?puts?“destroy“?string?in?log
		//?Put?your?code?here
	}

	/**
	?*?The?doGet?method?of?the?servlet.?

	?*
	?*?This?method?is?called?when?a?form?has?its?tag?value?method?equals?to?get.
	?*?
	?*?@param?request?the?request?send?by?the?client?to?the?server
	?*?@param?response?the?response?send?by?the?server?to?the?client
	?*?@throws?ServletException?if?an?error?occurred
	?*?@throws?IOException?if?an?error?occurred
	?*/
	public?void?doGet（HttpServletRequest?request?HttpServletResponse?response）
			throws?ServletException?IOException?{

		OutputStream?out?=?response.getOutputStream（）;
		try?{
			
			response.setContentType（“image/png“）;
			ChartUtilities.writeChartAsPNG（out?createBarChart（）?400?300）;
		}
		catch?（Exception?e）?{
		System.err.println（e.toString（））;
		}
		finally?{
		out.close（）;
		}
	}

	/**
	?*?The?doPost?method?of?the?servlet.?

	?*
	?*?This?method?is?called?when?a?form?has?its?tag?value?method?equals?to?post.
	?*?
	?*?@param?request?the?request?send?by?the?client?to?the?server
	?*?@param?response?the?response?send?by?the?server?to?the?client
	?*?@throws?ServletException?if?an?error?occurred
	?*?@throws?IOException?if?an?error?occurred
	?*/
	public?void?doPost（HttpServletRequest?request?HttpServletResponse?response）
			throws?ServletException?IOException?{

	}

	/**
	?*?Initialization?of?the?servlet.?

	?*
	?*?@throws?ServletException?if?an?error?occurs
	?*/
	public?void?init（）?throws?ServletException?{
		//?Put?your?code?here
	}
	private?JFreeChart?createBarChart（）{
		DefaultCategoryDataset?dataset?=?new?DefaultCategoryDataset（）;
		dataset.addValue（10.0?“S1“?“C1“）;
		dataset.addValue（4.0?“S1“?“C2“）;
		dataset.addValue（15.0?“S1“?“C3“）;
		dataset.addValue（14.0?“S1“?“C4“）;
		dataset.addValue（-5.0?“S2“?“C1“）;
		dataset.addValue（-7.0?“S2“?“C2“）;
		dataset.addValue（14.0?“S2“?“C3“）;
		dataset.addValue（-3.0?“S2“?“C4“）;
		dataset.addValue（6.0?“S3“?“C1“）;
		dataset.addValue（17.0?“S3“?“C2“）;
		dataset.addValue（-12.0?“S3“?“C3“）;
		dataset.addValue（?7.0?“S3“?“C4“）;
		dataset.addValue（7.0?“S4“?“C1“）;
		dataset.addValue（15.0?“S4“?“C2“）;
		dataset.addValue（11.0?“S4“?“C3“）;
		dataset.addValue（0.0?“S4“?“C4“）;
		dataset.addValue

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????589??2009-09-04?07:26??jFreeChart\.classpath

?????文件????????303??2009-09-04?07:26??jFreeChart\.mymetadata

?????文件???????1228??2009-09-03?17:31??jFreeChart\.project

?????文件???????3988??2009-09-04?09:01??jFreeChart\src\jfc\servlet\ServletDemo1.java

?????文件???????3481??2009-09-04?09:50??jFreeChart\src\jfc\servlet\ServletDemo2.java

?????文件???????5543??2009-09-04?10:14??jFreeChart\src\jfc\servlet\ServletDemo2ChartGenerator.java

?????文件????????755??2009-09-03?17:09??jFreeChart\src\jfc\test\JfreeChartTest.java

?????文件???????1409??2009-09-04?10:13??jFreeChart\WebRoot\Chart.jsp

?????文件????????615??2009-09-04?09:23??jFreeChart\WebRoot\index.jsp

?????文件?????????39??2009-09-03?16:26??jFreeChart\WebRoot\meta-INF\MANIFEST.MF

?????文件???????3319??2009-09-04?09:01??jFreeChart\WebRoot\WEB-INF\classes\jfc\servlet\ServletDemo1.class

?????文件???????1795??2009-09-04?09:50??jFreeChart\WebRoot\WEB-INF\classes\jfc\servlet\ServletDemo2.class

?????文件???????5346??2009-09-04?10:14??jFreeChart\WebRoot\WEB-INF\classes\jfc\servlet\ServletDemo2ChartGenerator.class

?????文件???????1290??2009-09-04?07:26??jFreeChart\WebRoot\WEB-INF\classes\jfc\test\JfreeChartTest.class

?????文件?????231445??2009-04-20?10:23??jFreeChart\WebRoot\WEB-INF\lib\gnujaxp.jar

?????文件?????309293??2009-04-20?10:23??jFreeChart\WebRoot\WEB-INF\lib\jcommon-1.0.16.jar

?????文件????1425744??2009-04-20?10:23??jFreeChart\WebRoot\WEB-INF\lib\jfreechart-1.0.13.jar

?????文件???????2083??2009-09-03?17:21??jFreeChart\WebRoot\WEB-INF\web.xml

?????目錄??????????0??2009-09-22?14:20??jFreeChart\WebRoot\WEB-INF\classes\jfc\servlet

?????目錄??????????0??2009-09-22?14:20??jFreeChart\WebRoot\WEB-INF\classes\jfc\test

?????目錄??????????0??2009-09-22?14:20??jFreeChart\WebRoot\WEB-INF\classes\jfc

?????目錄??????????0??2009-09-22?14:20??jFreeChart\src\jfc\servlet

?????目錄??????????0??2009-09-22?14:20??jFreeChart\src\jfc\test

?????目錄??????????0??2009-09-22?14:20??jFreeChart\WebRoot\WEB-INF\classes

?????目錄??????????0??2009-09-22?14:20??jFreeChart\WebRoot\WEB-INF\lib

?????目錄??????????0??2009-09-22?14:20??jFreeChart\src\jfc

?????目錄??????????0??2009-09-22?14:20??jFreeChart\WebRoot\meta-INF

?????目錄??????????0??2009-09-22?14:20??jFreeChart\WebRoot\WEB-INF

?????目錄??????????0??2009-09-22?14:20??jFreeChart\.myeclipse

?????目錄??????????0??2009-09-22?14:20??jFreeChart\src

............此處省略5個文件信息