java画图 我想从数据库读取数据 曲线表示(动态的) 有什么好的建议 或者贴上源码 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 学习下flex的图标显示,很容易学习。而且效果也很多。 http://edinkysoft.appspot.com/jsp/articles/forumidentifycodes.html自己画,建议你! package demo;import java.awt.BasicStroke;import java.awt.Dimension;import java.awt.Polygon;import java.awt.Shape;import java.awt.geom.Rectangle2D.Double;import javax.swing.JPanel;import org.jfree.chart.ChartFactory;import org.jfree.chart.ChartPanel;import org.jfree.chart.JFreeChart;import org.jfree.chart.axis.NumberAxis;import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;import org.jfree.chart.plot.CategoryPlot;import org.jfree.chart.plot.DefaultDrawingSupplier;import org.jfree.chart.plot.PlotOrientation;import org.jfree.chart.renderer.category.CategoryItemRenderer;import org.jfree.chart.renderer.category.LineAndShapeRenderer;import org.jfree.data.category.CategoryDataset;import org.jfree.data.category.DefaultCategoryDataset;import org.jfree.ui.ApplicationFrame;import org.jfree.ui.RefineryUtilities;public class LineChartDemo5 extends ApplicationFrame{ public LineChartDemo5(String paramString) { super(paramString); JPanel localJPanel = createDemoPanel(); localJPanel.setPreferredSize(new Dimension(500, 270)); setContentPane(localJPanel); } private static CategoryDataset createDataset() { String str1 = "First"; String str2 = "Second"; String str3 = "Third"; String str4 = "Type 1"; String str5 = "Type 2"; String str6 = "Type 3"; String str7 = "Type 4"; String str8 = "Type 5"; String str9 = "Type 6"; String str10 = "Type 7"; String str11 = "Type 8"; DefaultCategoryDataset localDefaultCategoryDataset = new DefaultCategoryDataset(); localDefaultCategoryDataset.addValue(1.0D, str1, str4); localDefaultCategoryDataset.addValue(4.0D, str1, str5); localDefaultCategoryDataset.addValue(3.0D, str1, str6); localDefaultCategoryDataset.addValue(5.0D, str1, str7); localDefaultCategoryDataset.addValue(5.0D, str1, str8); localDefaultCategoryDataset.addValue(7.0D, str1, str9); localDefaultCategoryDataset.addValue(7.0D, str1, str10); localDefaultCategoryDataset.addValue(8.0D, str1, str11); localDefaultCategoryDataset.addValue(5.0D, str2, str4); localDefaultCategoryDataset.addValue(7.0D, str2, str5); localDefaultCategoryDataset.addValue(6.0D, str2, str6); localDefaultCategoryDataset.addValue(8.0D, str2, str7); localDefaultCategoryDataset.addValue(4.0D, str2, str8); localDefaultCategoryDataset.addValue(4.0D, str2, str9); localDefaultCategoryDataset.addValue(2.0D, str2, str10); localDefaultCategoryDataset.addValue(1.0D, str2, str11); localDefaultCategoryDataset.addValue(4.0D, str3, str4); localDefaultCategoryDataset.addValue(3.0D, str3, str5); localDefaultCategoryDataset.addValue(2.0D, str3, str6); localDefaultCategoryDataset.addValue(3.0D, str3, str7); localDefaultCategoryDataset.addValue(6.0D, str3, str8); localDefaultCategoryDataset.addValue(3.0D, str3, str9); localDefaultCategoryDataset.addValue(4.0D, str3, str10); localDefaultCategoryDataset.addValue(3.0D, str3, str11); return localDefaultCategoryDataset; } private static JFreeChart createChart(CategoryDataset paramCategoryDataset) { JFreeChart localJFreeChart = ChartFactory.createLineChart("Line Chart Demo 5", "Type", "Value", paramCategoryDataset, PlotOrientation.VERTICAL, true, true, false); Shape[] arrayOfShape = new Shape[3]; int[] arrayOfInt1 = { -3, 3, -3 }; int[] arrayOfInt2 = { -3, 0, 3 }; arrayOfShape[0] = new Polygon(arrayOfInt1, arrayOfInt2, 3); arrayOfShape[1] = new Rectangle2D.Double(-2.0D, -3.0D, 3.0D, 6.0D); arrayOfInt1 = new int[] { -3, 3, 3 }; arrayOfInt2 = new int[] { 0, -3, 3 }; arrayOfShape[2] = new Polygon(arrayOfInt1, arrayOfInt2, 3); DefaultDrawingSupplier localDefaultDrawingSupplier = new DefaultDrawingSupplier(DefaultDrawingSupplier.DEFAULT_PAINT_SEQUENCE, DefaultDrawingSupplier.DEFAULT_OUTLINE_PAINT_SEQUENCE, DefaultDrawingSupplier.DEFAULT_STROKE_SEQUENCE, DefaultDrawingSupplier.DEFAULT_OUTLINE_STROKE_SEQUENCE, arrayOfShape); CategoryPlot localCategoryPlot = (CategoryPlot)localJFreeChart.getPlot(); localCategoryPlot.setOrientation(PlotOrientation.HORIZONTAL); localCategoryPlot.setDrawingSupplier(localDefaultDrawingSupplier); localCategoryPlot.getRenderer().setSeriesStroke(0, new BasicStroke(2.0F, 1, 1, 1.0F, new float[] { 10.0F, 6.0F }, 0.0F)); localCategoryPlot.getRenderer().setSeriesStroke(1, new BasicStroke(2.0F, 1, 1, 1.0F, new float[] { 6.0F, 6.0F }, 0.0F)); localCategoryPlot.getRenderer().setSeriesStroke(2, new BasicStroke(2.0F, 1, 1, 1.0F, new float[] { 2.0F, 6.0F }, 0.0F)); LineAndShapeRenderer localLineAndShapeRenderer = (LineAndShapeRenderer)localCategoryPlot.getRenderer(); localLineAndShapeRenderer.setBaseShapesVisible(true); localLineAndShapeRenderer.setBaseItemLabelsVisible(true); localLineAndShapeRenderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator()); NumberAxis localNumberAxis = (NumberAxis)localCategoryPlot.getRangeAxis(); localNumberAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); localNumberAxis.setAutoRangeIncludesZero(false); localNumberAxis.setUpperMargin(0.12D); return localJFreeChart; } public static JPanel createDemoPanel() { JFreeChart localJFreeChart = createChart(createDataset()); return new ChartPanel(localJFreeChart); } public static void main(String[] paramArrayOfString) { LineChartDemo5 localLineChartDemo5 = new LineChartDemo5("JFreeChart: LineChartDemo5.java"); localLineChartDemo5.pack(); RefineryUtilities.centerFrameOnScreen(localLineChartDemo5); localLineChartDemo5.setVisible(true); }}柱状图 饼状图 折线图都实现了。对了。。在你测试的时候 你得去下载一个JFreeChart api 这样才可以跑起来 jfreechart 就够用了。什么图都有 熟悉cas单点登录系统的请进 struts2 <s:property/>标签 静态方法 传参 json字符串问题 如何通过点击一个页面的链接刷新另一个页面,而不是再次打开该页面刷新 求高手帮忙~!!急 急 ` ····· 因项目需要,需购买JAVA报表(B/S)组件,请大家推荐几个! ibatis 多表查询字段重复用别名报找不到column 初学者之问! 请问大家我在tomcat中,bean和servlet放到那个目录中,jsp放到那个目录中,缺省的就行。谢谢!! 救命呀!关于从数据库读取Word文档(BLOB)在JSP页面显示 请教html传递数据给jsp页面的问题 jsp查询数据库的问题
自己画,建议你!
import java.awt.Dimension;
import java.awt.Polygon;
import java.awt.Shape;
import java.awt.geom.Rectangle2D.Double;
import javax.swing.JPanel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.DefaultDrawingSupplier;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.CategoryItemRenderer;
import org.jfree.chart.renderer.category.LineAndShapeRenderer;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;public class LineChartDemo5 extends ApplicationFrame
{
public LineChartDemo5(String paramString)
{
super(paramString);
JPanel localJPanel = createDemoPanel();
localJPanel.setPreferredSize(new Dimension(500, 270));
setContentPane(localJPanel);
} private static CategoryDataset createDataset()
{
String str1 = "First";
String str2 = "Second";
String str3 = "Third";
String str4 = "Type 1";
String str5 = "Type 2";
String str6 = "Type 3";
String str7 = "Type 4";
String str8 = "Type 5";
String str9 = "Type 6";
String str10 = "Type 7";
String str11 = "Type 8";
DefaultCategoryDataset localDefaultCategoryDataset = new DefaultCategoryDataset();
localDefaultCategoryDataset.addValue(1.0D, str1, str4);
localDefaultCategoryDataset.addValue(4.0D, str1, str5);
localDefaultCategoryDataset.addValue(3.0D, str1, str6);
localDefaultCategoryDataset.addValue(5.0D, str1, str7);
localDefaultCategoryDataset.addValue(5.0D, str1, str8);
localDefaultCategoryDataset.addValue(7.0D, str1, str9);
localDefaultCategoryDataset.addValue(7.0D, str1, str10);
localDefaultCategoryDataset.addValue(8.0D, str1, str11);
localDefaultCategoryDataset.addValue(5.0D, str2, str4);
localDefaultCategoryDataset.addValue(7.0D, str2, str5);
localDefaultCategoryDataset.addValue(6.0D, str2, str6);
localDefaultCategoryDataset.addValue(8.0D, str2, str7);
localDefaultCategoryDataset.addValue(4.0D, str2, str8);
localDefaultCategoryDataset.addValue(4.0D, str2, str9);
localDefaultCategoryDataset.addValue(2.0D, str2, str10);
localDefaultCategoryDataset.addValue(1.0D, str2, str11);
localDefaultCategoryDataset.addValue(4.0D, str3, str4);
localDefaultCategoryDataset.addValue(3.0D, str3, str5);
localDefaultCategoryDataset.addValue(2.0D, str3, str6);
localDefaultCategoryDataset.addValue(3.0D, str3, str7);
localDefaultCategoryDataset.addValue(6.0D, str3, str8);
localDefaultCategoryDataset.addValue(3.0D, str3, str9);
localDefaultCategoryDataset.addValue(4.0D, str3, str10);
localDefaultCategoryDataset.addValue(3.0D, str3, str11);
return localDefaultCategoryDataset;
} private static JFreeChart createChart(CategoryDataset paramCategoryDataset)
{
JFreeChart localJFreeChart = ChartFactory.createLineChart("Line Chart Demo 5", "Type", "Value", paramCategoryDataset, PlotOrientation.VERTICAL, true, true, false);
Shape[] arrayOfShape = new Shape[3];
int[] arrayOfInt1 = { -3, 3, -3 };
int[] arrayOfInt2 = { -3, 0, 3 };
arrayOfShape[0] = new Polygon(arrayOfInt1, arrayOfInt2, 3);
arrayOfShape[1] = new Rectangle2D.Double(-2.0D, -3.0D, 3.0D, 6.0D);
arrayOfInt1 = new int[] { -3, 3, 3 };
arrayOfInt2 = new int[] { 0, -3, 3 };
arrayOfShape[2] = new Polygon(arrayOfInt1, arrayOfInt2, 3);
DefaultDrawingSupplier localDefaultDrawingSupplier = new DefaultDrawingSupplier(DefaultDrawingSupplier.DEFAULT_PAINT_SEQUENCE, DefaultDrawingSupplier.DEFAULT_OUTLINE_PAINT_SEQUENCE, DefaultDrawingSupplier.DEFAULT_STROKE_SEQUENCE, DefaultDrawingSupplier.DEFAULT_OUTLINE_STROKE_SEQUENCE, arrayOfShape);
CategoryPlot localCategoryPlot = (CategoryPlot)localJFreeChart.getPlot();
localCategoryPlot.setOrientation(PlotOrientation.HORIZONTAL);
localCategoryPlot.setDrawingSupplier(localDefaultDrawingSupplier);
localCategoryPlot.getRenderer().setSeriesStroke(0, new BasicStroke(2.0F, 1, 1, 1.0F, new float[] { 10.0F, 6.0F }, 0.0F));
localCategoryPlot.getRenderer().setSeriesStroke(1, new BasicStroke(2.0F, 1, 1, 1.0F, new float[] { 6.0F, 6.0F }, 0.0F));
localCategoryPlot.getRenderer().setSeriesStroke(2, new BasicStroke(2.0F, 1, 1, 1.0F, new float[] { 2.0F, 6.0F }, 0.0F));
LineAndShapeRenderer localLineAndShapeRenderer = (LineAndShapeRenderer)localCategoryPlot.getRenderer();
localLineAndShapeRenderer.setBaseShapesVisible(true);
localLineAndShapeRenderer.setBaseItemLabelsVisible(true);
localLineAndShapeRenderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
NumberAxis localNumberAxis = (NumberAxis)localCategoryPlot.getRangeAxis();
localNumberAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
localNumberAxis.setAutoRangeIncludesZero(false);
localNumberAxis.setUpperMargin(0.12D);
return localJFreeChart;
} public static JPanel createDemoPanel()
{
JFreeChart localJFreeChart = createChart(createDataset());
return new ChartPanel(localJFreeChart);
} public static void main(String[] paramArrayOfString)
{
LineChartDemo5 localLineChartDemo5 = new LineChartDemo5("JFreeChart: LineChartDemo5.java");
localLineChartDemo5.pack();
RefineryUtilities.centerFrameOnScreen(localLineChartDemo5);
localLineChartDemo5.setVisible(true);
}
}柱状图 饼状图 折线图都实现了。
对了。。在你测试的时候 你得去下载一个JFreeChart api 这样才可以跑起来