package?com.jfree;

import?java.awt.Font;
import?java.io.FileOutputStream;
import?java.io.IOException;

import?org.jfree.chart.ChartFactory;
import?org.jfree.chart.ChartUtilities;
import?org.jfree.chart.JFreeChart;
import?org.jfree.chart.axis.CategoryAxis;
import?org.jfree.chart.axis.NumberAxis;
import?org.jfree.chart.plot.CategoryPlot;
import?org.jfree.chart.plot.PlotOrientation;
import?org.jfree.data.category.CategoryDataset;
import?org.jfree.data.category.DefaultCategoryDataset;

import?com.sun.corba.se.internal.Interceptors.PIORB;

/**
?*?
?*?@type?Histogram.java
?*?@function?生成柱狀圖
?*?@author?yg
?*?@date?2015-5-18
?*/
public?class?Histogram?{

	/**
	?*?
	?*?功能：TODO
	?*?作者：yg
	?*?時間：下午9:54:43
	?*?參數：@param
	?*?返回：void
	?*/
	public?static?void?main（String[]?args）?{
		//獲取數據
		CategoryDataset?dataset=getDataSet（）;
		JFreeChart?chart=ChartFactory.createBarChart3D（
				“鋼鐵產量圖“//圖表標題
				“鋼種“?//目錄軸顯示標簽
				“產量“?//數值軸顯示標簽
				dataset//數據集
				PlotOrientation.HORIZONTAL//圖表方向：水平豎直
				true//?是否顯示比例
				false//?是否生成工具
				false//?是否生成URL鏈接
				）;
		
		//設置字體
		Font?font=new?Font（“宋體“Font.BOLD16）;
		chart.gettitle（）.setFont（font）;//標題字體
		chart.getLegend（）.setItemFont（font）;//底部的字體
		CategoryPlot?pieplot=（CategoryPlot）chart.getPlot（）;
		NumberAxis?rangeAxis=（NumberAxis）pieplot.getRangeAxis（）;
		CategoryAxis?domainAxis=pieplot.getDomainAxis（）;
		rangeAxis.setLabelFont（font）;//X軸字體
		domainAxis.setLabelFont（font）;//Y軸字體
		domainAxis.setTickLabelFont（font）;//縱軸數值字體
		
		FileOutputStream?gf=null;
		
		try?{
			gf=new?FileOutputStream（“d:\\histogram.jpg“）;
			//將報表保存為jpg文件
			ChartUtilities.writeChartAsJPEG（gf?chart?1024?768）;
		}?catch?（IOException?e）?{
			e.printStackTrace（）;
		}finally{
			try?{
				gf.close（）;
				System.out.println（“生成成功！“）;
			}?catch?（IOException?e）?{
				e.printStackTrace（）;
			}
		}
	}

	private?static?CategoryDataset?getDataSet（）{
		DefaultCategoryDataset?dataset=new?DefaultCategoryDataset（）;
		dataset.addValue（100?“唐山“?“粗鋼“）;?????
		dataset.addValue（120?“吉林“?“粗鋼“）;?????
		dataset.addValue（140?“承德“?“粗鋼“）;?????
		dataset.addValue（200?“唐山“?“鐵水“）;?????
		dataset.addValue（220?“吉林“?“鐵水“）;?????
		dataset.addValue（260?“承德“?“鐵水“）;?????
		dataset.addValue（300?“唐山“?“螺紋鋼“）;?????
		dataset.addValue（300?“吉林“?“螺紋鋼“）;?????
		dataset.addValue（300?“承德“?“螺紋鋼“）;?????
		dataset.addValue（400?“唐山“?“鋼管“）;?????
		dataset.addValue（440?“吉林“?“鋼管“）;?????
		dataset.addValue（350?“承德“?“鋼管“）;?????
		dataset.addValue（500?“唐山“?“鋼筋“）;?????
		dataset.addValue（500?“吉林“?“鋼筋“）;?????
		dataset.addValue（500?“承德“?“鋼筋“）;?????
		return?dataset;
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-05-18?22:45??jfreechart\
?????文件?????????759??2015-05-18?21:42??jfreechart\.classpath
?????目錄???????????0??2015-05-18?21:40??jfreechart\.myeclipse\
?????文件?????????303??2015-05-18?21:40??jfreechart\.mymetadata
?????文件????????1537??2015-05-18?21:40??jfreechart\.project
?????目錄???????????0??2015-05-18?22:45??jfreechart\.settings\
?????文件?????????658??2015-05-18?21:40??jfreechart\.settings\.jsdtscope
?????文件?????????395??2015-05-18?21:40??jfreechart\.settings\org.eclipse.jdt.core.prefs
?????文件?????????468??2015-05-18?21:40??jfreechart\.settings\org.eclipse.wst.common.component
?????文件?????????252??2015-05-18?21:40??jfreechart\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2015-05-18?21:40??jfreechart\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2015-05-18?21:40??jfreechart\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2015-05-18?22:45??jfreechart\doc\
?????文件?????????286??2015-05-18?22:41??jfreechart\doc\doc.txt
?????目錄???????????0??2015-05-18?22:45??jfreechart\doc\result\
?????文件??????150167??2015-05-18?22:25??jfreechart\doc\result\histogram.jpg
?????文件???????65658??2015-05-18?22:43??jfreechart\doc\result\piogram.jpg
?????目錄???????????0??2015-05-18?21:40??jfreechart\pg\
?????文件?????8050676??2015-05-18?21:40??jfreechart\pg\jfreechart-1.0.19.zip
?????目錄???????????0??2015-05-18?21:55??jfreechart\src\
?????目錄???????????0??2015-05-18?21:55??jfreechart\src\com\
?????目錄???????????0??2015-05-18?22:45??jfreechart\src\com\jfree\
?????文件????????2895??2015-05-18?22:40??jfreechart\src\com\jfree\Histogram.java
?????文件????????1804??2015-05-18?22:35??jfreechart\src\com\jfree\Piegram.java
?????目錄???????????0??2015-05-18?22:45??jfreechart\WebRoot\
?????文件?????????831??2015-05-18?21:40??jfreechart\WebRoot\index.jsp
?????目錄???????????0??2015-05-18?21:40??jfreechart\WebRoot\meta-INF\
?????文件??????????36??2015-05-18?21:40??jfreechart\WebRoot\meta-INF\MANIFEST.MF
?????目錄???????????0??2015-05-18?22:45??jfreechart\WebRoot\WEB-INF\
?????目錄???????????0??2015-05-18?21:55??jfreechart\WebRoot\WEB-INF\classes\
?????目錄???????????0??2015-05-18?21:55??jfreechart\WebRoot\WEB-INF\classes\com\
............此處省略8個文件信息