package com.langhua.line;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.io.FileOutputStream;
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.axis.ValueAxis;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.LineAndShapeRenderer;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.ui.HorizontalAlignment;
import org.jfree.ui.RectangleEdge;
/**
* 线状图形创建
* @author Administrator
*
*/
public class Line {
public static void main(String[] args) {
//数据
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
dataset.addValue(212, "Classes类", "JDK 1.0版本");
dataset.addValue(504, "Classes类", "JDK 1.1版本");
dataset.addValue(1520, "Classes类", "SDK 1.2版本");
dataset.addValue(1842, "Classes类", "SDK 1.3版本");
dataset.addValue(2991, "Classes类", "SDK 1.4版本");
JFreeChart chart = ChartFactory.createLineChart( "Java Standard Class Library","Release版本","Class数量",dataset,PlotOrientation.VERTICAL,false, true,false );
//配置chart
Line.configFont(chart);
//设置标题
TextTitle t = new TextTitle("Number of Classes By Release");
t.setFont(new Font("Comic Sans MS", Font.PLAIN, 15));
chart.addSubtitle(t);
//设置标题,并把标题放到最下面的右边
TextTitle source = new TextTitle("Source: Java In A Nutshell (4th Edition) by David Flanagan (O’Reilly)");
source.setFont(new Font("Comic Sans MS", Font.PLAIN, 15));
//放到底部
source.setPosition(RectangleEdge.BOTTOM);
//放到右边
source.setHorizontalAlignment(HorizontalAlignment.RIGHT);
//添加
chart.addSubtitle(source);
//设置背影色
chart.setBackgroundPaint(Color.white);
CategoryPlot plot = (CategoryPlot)chart.getPlot();
//设置网格线
plot.setRangeGridlinePaint(Color.white);
// customise the range axis...(这个我不知道是啥子)
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
//设置线与线之间的连结点的样式,比如说是否空心,颜色等
LineAndShapeRenderer renderer = (LineAndShapeRenderer) plot .getRenderer();
renderer.setShapesVisible(true);
renderer.setDrawOutlines(true);
renderer.setUseFillPaint(true);
renderer.setFillPaint(Color.yellow);
FileOutputStream fos_jpg = null;
try {
fos_jpg = new FileOutputStream("c:\\Line.jpg");
ChartUtilities.writeChartAsJPEG(fos_jpg,0.99f,chart,800,600, null);
fos_jpg.close();
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 解决乱码和样式等问题
* @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
CategoryPlot plot = chart.getCategoryPlot();// 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));
//X轴
CategoryAxis 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);
}
}
基于XY的Line
package com.langhua.line;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.io.FileOutputStream;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
import org.jfree.ui.RectangleInsets;
/**
* 基于XY的Line
* @author Administrator
*
*/
public class XYLine {
public static void main(String[] args){
XYSeries series1 = new XYSeries("第一");
series1.add(1.0, 1.0);
series1.add(2.0, 4.0);
series1.add(3.0, 3.0);
series1.add(4.0, 5.0);
series1.add(5.0, 5.0);
series1.add(6.0, 7.0);
series1.add(7.0, 7.0);
series1.add(8.0, 8.0);
XYSeries series2 = new XYSeries("第二");
series2.add(1.0, 5.0);
series2.add(2.0, 7.0);
series2.add(3.0, 6.0);
series2.add(4.0, 8.0);
series2.add(5.0, 4.0);
series2.add(6.0, 4.0);
series2.add(7.0, 2.0);
series2.add(8.0, 1.0);
series2.add(9.0, 1.0);
series2.add(10.0, 1.0);
series2.add(8.1, 1.2);
series2.add(8.2, 1.3);
series2.add(8.5, 1.4);
series2.add(11.0, 1.0);
XYSeries series3 = new XYSeries("第三");
series3.add(3.0, 4.0);
series3.add(4.0, 3.0);
series3.add(5.0, 2.0);
series3.add(6.0, 3.0);
series3.add(7.0, 6.0);
series3.add(8.0, 3.0);
series3.add(9.0, 4.0);
series3.add(10.0, 3.0);
XYSeries series4 = new XYSeries("第四");
series4.add(2.0, 4.0);
series4.add(3.0, 3.0);
series4.add(6.0, 2.0);
series4.add(1.0, 3.0);
series4.add(2.0, 6.0);
XYSeriesCollection dataset = new XYSeriesCollection();
dataset.addSeries(series1);
dataset.addSeries(series2);
dataset.addSeries(series3);
dataset.addSeries(series4);
JFreeChart chart = ChartFactory.createXYLineChart("Line Chart例子","X坐标","Y坐标",dataset,PlotOrientation.VERTICAL,true,true,false );
XYLine.configFont(chart);
// 背景色
chart.setBackgroundPaint(Color.white);
// 获得XYPlot对象
XYPlot plot = (XYPlot) chart.getPlot();
//设置坐标后面的背景色
plot.setBackgroundPaint(Color.lightGray);
plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
plot.setDomainGridlinePaint(Color.white);
plot.setRangeGridlinePaint(Color.white);
XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) plot.getRenderer();
renderer.setShapesVisible(true);
renderer.setShapesFilled(true);
// change the auto tick unit selection to integer units only...
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
FileOutputStream fos_jpg = null;
try {
fos_jpg = new FileOutputStream("c:\\LineXY.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);
}
}
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