Jfreechart学习笔记4-简单Time类型图形创建

package com.langhua.time;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.io.FileOutputStream;
import java.text.SimpleDateFormat;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.time.Month;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.ui.RectangleInsets;
/**
 * 坐标是时间例子
 * @author Administrator
 *
 */
public class TimeSeriesTest {

	public static void main(String[] args) {
		//初始化数据
		TimeSeries s1 = new TimeSeries("L&G European Index Trust中文", Month.class);
		s1.add(new Month(2, 2001), 181.8);
		s1.add(new Month(3, 2001), 167.3);
		s1.add(new Month(4, 2001), 153.8);
		s1.add(new Month(5, 2001), 167.6);
		s1.add(new Month(6, 2001), 158.8);
		s1.add(new Month(7, 2001), 148.3);
		s1.add(new Month(8, 2001), 153.9);
		s1.add(new Month(9, 2001), 142.7);
		s1.add(new Month(10, 2001), 123.2);
		s1.add(new Month(11, 2001), 131.8);
		s1.add(new Month(12, 2001), 139.6);
		s1.add(new Month(1, 2002), 142.9);
		s1.add(new Month(2, 2002), 138.7);
		s1.add(new Month(3, 2002), 137.3);
		s1.add(new Month(4, 2002), 143.9);
		s1.add(new Month(5, 2002), 139.8);
		s1.add(new Month(6, 2002), 137.0);
		s1.add(new Month(7, 2002), 132.8);
		TimeSeries s2 = new TimeSeries("L&G UK Index Trust中文", Month.class);
		s2.add(new Month(2, 2001), 129.6);
		s2.add(new Month(3, 2001), 123.2);
		s2.add(new Month(4, 2001), 117.2);
		s2.add(new Month(5, 2001), 124.1);
		s2.add(new Month(6, 2001), 122.6);
		s2.add(new Month(7, 2001), 119.2);
		s2.add(new Month(8, 2001), 116.5);
		s2.add(new Month(9, 2001), 112.7);
		s2.add(new Month(10, 2001), 101.5);
		s2.add(new Month(11, 2001), 106.1);
		s2.add(new Month(12, 2001), 110.3);
		s2.add(new Month(1, 2002), 111.7);
		s2.add(new Month(2, 2002), 111.0);
		s2.add(new Month(3, 2002), 109.6);
		s2.add(new Month(4, 2002), 113.2);
		s2.add(new Month(5, 2002), 111.6);
		s2.add(new Month(6, 2002), 108.8);
		s2.add(new Month(7, 2002), 101.6);
		TimeSeriesCollection dataset = new TimeSeriesCollection();
		dataset.addSeries(s1);
		dataset.addSeries(s2);
		//创建 相应的对象
		JFreeChart chart = ChartFactory.createTimeSeriesChart("日期","Date时间","Price价格",dataset,true,	true,	false	);
		//配置字体等格式
		TimeSeriesTest.configFont(chart);
		//设置背影色,由于这个例是COPY过来的,并没有放到TimeSeriesTest.configFont(chart);这个方法里面
		chart.setBackgroundPaint(Color.white);
		//获得相当对象
		XYPlot plot = (XYPlot) chart.getPlot();
		//背影色
		plot.setBackgroundPaint(Color.lightGray);
		//X轴网格线和Y轴网格线颜色
		plot.setDomainGridlinePaint(Color.white);
		plot.setRangeGridlinePaint(Color.white);
		//以下还不清楚
		plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
		plot.setDomainCrosshairVisible(true);
		plot.setRangeCrosshairVisible(true);
		//以下也不清楚
		XYItemRenderer r = plot.getRenderer();
		if (r instanceof XYLineAndShapeRenderer) {
			XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) r;
			renderer.setBaseShapesVisible(true);
			renderer.setBaseShapesFilled(true);
		}
		//设置X坐标上面的格式
		DateAxis axis = (DateAxis) plot.getDomainAxis();
		axis.setDateFormatOverride(new SimpleDateFormat("MMM-yyyy"));
		
		FileOutputStream fos_jpg = null;
		try {
			fos_jpg = new FileOutputStream("c:\\TimeSeries.jpg");
			ChartUtilities.writeChartAsJPEG(fos_jpg,0.99f,chart,800,600,	null);
			fos_jpg.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	/**
	 * 配置字体等信息
	 * @param chart
	 */
	private static void configFont(JFreeChart chart) {
		// 配置字体
		Font xfont = new Font("宋体", Font.CENTER_BASELINE, 12);// X轴
		Font yfont = new Font("宋体", Font.CENTER_BASELINE, 20);// Y轴
		Font kfont = new Font("宋体", Font.CENTER_BASELINE, 18);// 底部
		Font titleFont = new Font("微软雅黑", Font.CENTER_BASELINE, 25); // 图片标题
		XYPlot plot = (XYPlot) chart.getPlot();// 图形的绘制结构对象
		//数据轴网格线条颜色
		plot.setRangeGridlinePaint(Color.BLUE);
		//数据轴网格线条笔触
		plot.setRangeGridlineStroke(new BasicStroke(1.0f));
		// 图片标题
		chart.setTitle(new TextTitle(chart.getTitle().getText(),titleFont));
		chart.getLegend().setItemFont(kfont);

		//X轴
		ValueAxis domainAxis = plot.getDomainAxis();
		//设置X轴标题字体
		domainAxis.setLabelFont(xfont);
		//设置X轴字体
		domainAxis.setTickLabelFont(xfont);
		//设置字体颜色
		domainAxis.setTickLabelPaint(Color.BLUE);
		//横轴上的label斜显示
		//domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45); 
		//domainAxis.setCategoryLabelPositions(CategoryLabelPositions.DOWN_45);
		//分类轴边距,同种类型之间的距离,比如说Row 1之间的
		//domainAxis.setCategoryMargin(0.2f);
		//分类轴下（左）边距,就是离左边的距离
		domainAxis.setLowerMargin(0.1);
		//分类轴下（右）边距,就是离最右边的距离
		domainAxis.setUpperMargin(0.1);
		
		//Y 轴
		ValueAxis rangeAxis = plot.getRangeAxis();
		//设置Y轴标题字体
		rangeAxis.setLabelFont(yfont);
		//设置Y轴字体
		rangeAxis.setTickLabelFont(yfont);
		// 字体颜色
		rangeAxis.setLabelPaint(Color.RED); 

	}
}