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;
/**
* 線狀圖形創建
* @author Administrator
*
*/
public class Line {
public static void main(String[] args) {
//數據
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
dataset.addValue(212, "Classes類", "JDK 1.0版本");
dataset.addValue(504, "Classes類", "JDK 1.1版本");
dataset.addValue(1520, "Classes類", "SDK 1.2版本");
dataset.addValue(1842, "Classes類", "SDK 1.3版本");
dataset.addValue(2991, "Classes類", "SDK 1.4版本");
JFreeChart chart = ChartFactory.createLineChart( "Java Standard Class Library","Release版本","Class數量",dataset,PlotOrientation.VERTICAL,false, true,false );
//配置chart
Line.configFont(chart);
//設置標題
TextTitle t = new TextTitle("Number of Classes By Release");
t.setFont(new Font("Comic Sans MS", Font.PLAIN, 15));
chart.addSubtitle(t);
//設置標題,并把標題放到最下面的右邊
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);
//放到右邊
source.setHorizontalAlignment(HorizontalAlignment.RIGHT);
//添加
chart.addSubtitle(source);
//設置背影色
chart.setBackgroundPaint(Color.white);
CategoryPlot plot = (CategoryPlot)chart.getPlot();
//設置網格線
plot.setRangeGridlinePaint(Color.white);
// customise the range axis...(這個我不知道是啥子)
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
//設置線與線之間的連結點的樣式,比如說是否空心,顏色等
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();
}
}
/**
* 解決亂碼和樣式等問題
* @param chart
*/
private static void configFont(JFreeChart chart) {
// 配置字體
Font xfont = new Font("宋體", Font.CENTER_BASELINE, 12);// X軸
Font yfont = new Font("宋體", Font.CENTER_BASELINE, 20);// Y軸
Font kfont = new Font("宋體", Font.CENTER_BASELINE, 18);// 底部
Font titleFont = new Font("微軟雅黑", Font.CENTER_BASELINE, 25); // 圖片標題
CategoryPlot plot = chart.getCategoryPlot();// 圖形的繪制結構對象
//數據軸網格線條顏色
plot.setRangeGridlinePaint(Color.BLUE);
//數據軸網格線條筆觸
plot.setRangeGridlineStroke(new BasicStroke(1.0f));
// 圖片標題
chart.setTitle(new TextTitle(chart.getTitle().getText(),titleFont));
//X軸
CategoryAxis domainAxis = plot.getDomainAxis();
//設置X軸標題字體
domainAxis.setLabelFont(xfont);
//設置X軸字體
domainAxis.setTickLabelFont(xfont);
//設置字體顏色
domainAxis.setTickLabelPaint(Color.BLUE);
//橫軸上的label斜顯示
//domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);
//domainAxis.setCategoryLabelPositions(CategoryLabelPositions.DOWN_45);
//分類軸邊距,同種類型之間的距離,比如說Row 1之間的
//domainAxis.setCategoryMargin(0.2f);
//分類軸下（左）邊距,就是離左邊的距離
domainAxis.setLowerMargin(0.1);
//分類軸下（右）邊距,就是離最右邊的距離
domainAxis.setUpperMargin(0.1);
//Y 軸
ValueAxis rangeAxis = plot.getRangeAxis();
//設置Y軸標題字體
rangeAxis.setLabelFont(yfont);
//設置Y軸字體
rangeAxis.setTickLabelFont(yfont);
// 字體顏色
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坐標","Y坐標",dataset,PlotOrientation.VERTICAL,true,true,false );
XYLine.configFont(chart);
// 背景色
chart.setBackgroundPaint(Color.white);
// 獲得XYPlot對象
XYPlot plot = (XYPlot) chart.getPlot();
//設置坐標后面的背景色
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();
}
}
/**
* 配置字體等信息
* @param chart
*/
private static void configFont(JFreeChart chart) {
// 配置字體
Font xfont = new Font("宋體", Font.CENTER_BASELINE, 12);// X軸
Font yfont = new Font("宋體", Font.CENTER_BASELINE, 20);// Y軸
Font kfont = new Font("宋體", Font.CENTER_BASELINE, 18);// 底部
Font titleFont = new Font("微軟雅黑", Font.CENTER_BASELINE, 25); // 圖片標題
XYPlot plot = (XYPlot) chart.getPlot();// 圖形的繪制結構對象
//數據軸網格線條顏色
plot.setRangeGridlinePaint(Color.BLUE);
//數據軸網格線條筆觸
plot.setRangeGridlineStroke(new BasicStroke(1.0f));
// 圖片標題
chart.setTitle(new TextTitle(chart.getTitle().getText(),titleFont));
chart.getLegend().setItemFont(kfont);
//X軸
ValueAxis domainAxis = plot.getDomainAxis();
//設置X軸標題字體
domainAxis.setLabelFont(xfont);
//設置X軸字體
domainAxis.setTickLabelFont(xfont);
//設置字體顏色
domainAxis.setTickLabelPaint(Color.BLUE);
//橫軸上的label斜顯示
//domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);
//domainAxis.setCategoryLabelPositions(CategoryLabelPositions.DOWN_45);
//分類軸邊距,同種類型之間的距離,比如說Row 1之間的
//domainAxis.setCategoryMargin(0.2f);
//分類軸下（左）邊距,就是離左邊的距離
domainAxis.setLowerMargin(0.1);
//分類軸下（右）邊距,就是離最右邊的距離
domainAxis.setUpperMargin(0.1);
//Y 軸
ValueAxis rangeAxis = plot.getRangeAxis();
//設置Y軸標題字體
rangeAxis.setLabelFont(yfont);
//設置Y軸字體
rangeAxis.setTickLabelFont(yfont);
// 字體顏色
rangeAxis.setLabelPaint(Color.RED);
}
}
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