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zhjw009：
您是不是在2012年做过spark IM 的二次开发？最近公司 ...
一个相当不错的swing开源皮肤包Look&Feel(Substance) -
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实现一个智能提示功能需要ajax、数据库、jsp/php、算法 ...
jquery自动补全例子 -
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什么鸟，看不懂
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这个跟负载均衡有什么关系啊，求解答
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import java.*;
JTree,将树的每个节点设置成不同的图标
出现乱码的原始程序如下
查看复制到剪切板打印
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.GradientPaint;
import javax.swing.JPanel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.CategoryLabelPositions;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.labels.StandardCategorySeriesLabelGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
public class BarChartDemo1 extends ApplicationFrame {
public BarChartDemo1(String s) {
super(s);
JPanel jpanel = createDemoPanel();
jpanel.setPreferredSize(new Dimension(500, 270));
setContentPane(jpanel);
}
private static CategoryDataset createDataset() {
String s = "每日PV";
String s1 = "每日IP数";
String s2 = "注册用户数";
String s3 = "A网站";
String s4 = "B网站";
String s5 = "C网站";
String s6 = "D网站";
String s7 = "E网站";
DefaultCategoryDataset defaultcategorydataset = new DefaultCategoryDataset();
defaultcategorydataset.addValue(1.0D, s, s3);
defaultcategorydataset.addValue(4D, s, s4);
defaultcategorydataset.addValue(3D, s, s5);
defaultcategorydataset.addValue(5D, s, s6);
defaultcategorydataset.addValue(5D, s, s7);
defaultcategorydataset.addValue(5D, s1, s3);
defaultcategorydataset.addValue(7D, s1, s4);
defaultcategorydataset.addValue(6D, s1, s5);
defaultcategorydataset.addValue(8D, s1, s6);
defaultcategorydataset.addValue(4D, s1, s7);
defaultcategorydataset.addValue(4D, s2, s3);
defaultcategorydataset.addValue(3D, s2, s4);
defaultcategorydataset.addValue(2D, s2, s5);
defaultcategorydataset.addValue(3D, s2, s6);
defaultcategorydataset.addValue(6D, s2, s7);
return defaultcategorydataset;
}
private static JFreeChart createChart(CategoryDataset categorydataset) {
JFreeChart jfreechart = ChartFactory.createBarChart("Bar Chart Demo 1", "网站", "数值",
categorydataset, PlotOrientation.VERTICAL, true, true, false);
CategoryPlot categoryplot = (CategoryPlot) jfreechart.getPlot();
categoryplot.setDomainGridlinesVisible(true);
categoryplot.setRangeCrosshairVisible(true);
categoryplot.setRangeCrosshairPaint(Color.blue);
NumberAxis numberaxis = (NumberAxis) categoryplot.getRangeAxis();
numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
BarRenderer barrenderer = (BarRenderer) categoryplot.getRenderer();
barrenderer.setBaseItemLabelFont(new Font("宋体", Font.PLAIN, 12));
barrenderer.setSeriesItemLabelFont(1, new Font("宋体", Font.PLAIN, 12));
barrenderer.setDrawBarOutline(false);
GradientPaint gradientpaint = new GradientPaint(0.0F, 0.0F, Color.blue, 0.0F, 0.0F, new Color(
0, 0, 64));
GradientPaint gradientpaint1 = new GradientPaint(0.0F, 0.0F, Color.green, 0.0F, 0.0F,
new Color(0, 64, 0));
GradientPaint gradientpaint2 = new GradientPaint(0.0F, 0.0F, Color.red, 0.0F, 0.0F, new Color(
64, 0, 0));
barrenderer.setSeriesPaint(0, gradientpaint);
barrenderer.setSeriesPaint(1, gradientpaint1);
barrenderer.setSeriesPaint(2, gradientpaint2);
barrenderer.setLegendItemToolTipGenerator(new StandardCategorySeriesLabelGenerator(
"Tooltip: {0}"));
CategoryAxis categoryaxis = categoryplot.getDomainAxis();
categoryaxis.setCategoryLabelPositions(CategoryLabelPositions
.createUpRotationLabelPositions(0.52359877559829882D));
return jfreechart;
}
public static JPanel createDemoPanel() {
JFreeChart jfreechart = createChart(createDataset());
return new ChartPanel(jfreechart);
}
public static void main(String args[]) {
BarChartDemo1 barchartdemo1 = new BarChartDemo1("黑体JFreeChart: BarChartDemo1.java");
barchartdemo1.pack();
RefineryUtilities.centerFrameOnScreen(barchartdemo1);
barchartdemo1.setVisible(true);
}
}
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.GradientPaint;
import javax.swing.JPanel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.CategoryLabelPositions;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.labels.StandardCategorySeriesLabelGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
public class BarChartDemo1 extends ApplicationFrame {
public BarChartDemo1(String s) {
super(s);
JPanel jpanel = createDemoPanel();
jpanel.setPreferredSize(new Dimension(500, 270));
setContentPane(jpanel);
}
private static CategoryDataset createDataset() {
String s = "每日PV";
String s1 = "每日IP数";
String s2 = "注册用户数";
String s3 = "A网站";
String s4 = "B网站";
String s5 = "C网站";
String s6 = "D网站";
String s7 = "E网站";
DefaultCategoryDataset defaultcategorydataset = new DefaultCategoryDataset();
defaultcategorydataset.addValue(1.0D, s, s3);
defaultcategorydataset.addValue(4D, s, s4);
defaultcategorydataset.addValue(3D, s, s5);
defaultcategorydataset.addValue(5D, s, s6);
defaultcategorydataset.addValue(5D, s, s7);
defaultcategorydataset.addValue(5D, s1, s3);
defaultcategorydataset.addValue(7D, s1, s4);
defaultcategorydataset.addValue(6D, s1, s5);
defaultcategorydataset.addValue(8D, s1, s6);
defaultcategorydataset.addValue(4D, s1, s7);
defaultcategorydataset.addValue(4D, s2, s3);
defaultcategorydataset.addValue(3D, s2, s4);
defaultcategorydataset.addValue(2D, s2, s5);
defaultcategorydataset.addValue(3D, s2, s6);
defaultcategorydataset.addValue(6D, s2, s7);
return defaultcategorydataset;
}
private static JFreeChart createChart(CategoryDataset categorydataset) {
JFreeChart jfreechart = ChartFactory.createBarChart("Bar Chart Demo 1", "网站", "数值",
categorydataset, PlotOrientation.VERTICAL, true, true, false);
CategoryPlot categoryplot = (CategoryPlot) jfreechart.getPlot();
categoryplot.setDomainGridlinesVisible(true);
categoryplot.setRangeCrosshairVisible(true);
categoryplot.setRangeCrosshairPaint(Color.blue);
NumberAxis numberaxis = (NumberAxis) categoryplot.getRangeAxis();
numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
BarRenderer barrenderer = (BarRenderer) categoryplot.getRenderer();
barrenderer.setBaseItemLabelFont(new Font("宋体", Font.PLAIN, 12));
barrenderer.setSeriesItemLabelFont(1, new Font("宋体", Font.PLAIN, 12));
barrenderer.setDrawBarOutline(false);
GradientPaint gradientpaint = new GradientPaint(0.0F, 0.0F, Color.blue, 0.0F, 0.0F, new Color(
0, 0, 64));
GradientPaint gradientpaint1 = new GradientPaint(0.0F, 0.0F, Color.green, 0.0F, 0.0F,
new Color(0, 64, 0));
GradientPaint gradientpaint2 = new GradientPaint(0.0F, 0.0F, Color.red, 0.0F, 0.0F, new Color(
64, 0, 0));
barrenderer.setSeriesPaint(0, gradientpaint);
barrenderer.setSeriesPaint(1, gradientpaint1);
barrenderer.setSeriesPaint(2, gradientpaint2);
barrenderer.setLegendItemToolTipGenerator(new StandardCategorySeriesLabelGenerator(
"Tooltip: {0}"));
CategoryAxis categoryaxis = categoryplot.getDomainAxis();
categoryaxis.setCategoryLabelPositions(CategoryLabelPositions
.createUpRotationLabelPositions(0.52359877559829882D));
return jfreechart;
}
public static JPanel createDemoPanel() {
JFreeChart jfreechart = createChart(createDataset());
return new ChartPanel(jfreechart);
}
public static void main(String args[]) {
BarChartDemo1 barchartdemo1 = new BarChartDemo1("黑体JFreeChart: BarChartDemo1.java");
barchartdemo1.pack();
RefineryUtilities.centerFrameOnScreen(barchartdemo1);
barchartdemo1.setVisible(true);
}
}
增加如下的代码，解决汉字乱码问题
CategoryAxis domainAxis = categoryplot.getDomainAxis();
/*------设置X轴坐标上的文字-----------*/
domainAxis.setTickLabelFont(new Font("sans-serif", Font.PLAIN, 11));
/*------设置X轴的标题文字------------*/
domainAxis.setLabelFont(new Font("宋体", Font.PLAIN, 12));
/*------设置Y轴坐标上的文字-----------*/
numberaxis.setTickLabelFont(new Font("sans-serif", Font.PLAIN, 12));
/*------设置Y轴的标题文字------------*/
numberaxis.setLabelFont(new Font("黑体", Font.PLAIN, 12));
/*------这句代码解决了底部汉字乱码的问题-----------*/
jfreechart.getLegend().setItemFont(new Font("宋体", Font.PLAIN, 12));
CategoryAxis domainAxis = categoryplot.getDomainAxis();
/*------设置X轴坐标上的文字-----------*/
domainAxis.setTickLabelFont(new Font("sans-serif", Font.PLAIN, 11));
/*------设置X轴的标题文字------------*/
domainAxis.setLabelFont(new Font("宋体", Font.PLAIN, 12));
/*------设置Y轴坐标上的文字-----------*/
numberaxis.setTickLabelFont(new Font("sans-serif", Font.PLAIN, 12));
/*------设置Y轴的标题文字------------*/
numberaxis.setLabelFont(new Font("黑体", Font.PLAIN, 12));
/*------这句代码解决了底部汉字乱码的问题-----------*/
jfreechart.getLegend().setItemFont(new Font("宋体", Font.PLAIN, 12));
完整代码
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.GradientPaint;
import javax.swing.JPanel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.CategoryLabelPositions;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.labels.StandardCategorySeriesLabelGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
public class BarChartDemo1 extends ApplicationFrame {
public BarChartDemo1(String s) {
super(s);
JPanel jpanel = createDemoPanel();
jpanel.setPreferredSize(new Dimension(500, 270));
setContentPane(jpanel);
}
private static CategoryDataset createDataset() {
String s = "每日PV";
String s1 = "每日IP数";
String s2 = "注册用户数";
String s3 = "A网站";
String s4 = "B网站";
String s5 = "C网站";
String s6 = "D网站";
String s7 = "E网站";
DefaultCategoryDataset defaultcategorydataset = new DefaultCategoryDataset();
defaultcategorydataset.addValue(1.0D, s, s3);
defaultcategorydataset.addValue(4D, s, s4);
defaultcategorydataset.addValue(3D, s, s5);
defaultcategorydataset.addValue(5D, s, s6);
defaultcategorydataset.addValue(5D, s, s7);
defaultcategorydataset.addValue(5D, s1, s3);
defaultcategorydataset.addValue(7D, s1, s4);
defaultcategorydataset.addValue(6D, s1, s5);
defaultcategorydataset.addValue(8D, s1, s6);
defaultcategorydataset.addValue(4D, s1, s7);
defaultcategorydataset.addValue(4D, s2, s3);
defaultcategorydataset.addValue(3D, s2, s4);
defaultcategorydataset.addValue(2D, s2, s5);
defaultcategorydataset.addValue(3D, s2, s6);
defaultcategorydataset.addValue(6D, s2, s7);
return defaultcategorydataset;
}
private static JFreeChart createChart(CategoryDataset categorydataset) {
JFreeChart jfreechart = ChartFactory.createBarChart("Bar Chart Demo 1", "网站", "数值",
categorydataset, PlotOrientation.VERTICAL, true, true, false);
CategoryPlot categoryplot = (CategoryPlot) jfreechart.getPlot();
categoryplot.setDomainGridlinesVisible(true);
categoryplot.setRangeCrosshairVisible(true);
categoryplot.setRangeCrosshairPaint(Color.blue);
NumberAxis numberaxis = (NumberAxis) categoryplot.getRangeAxis();
numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
BarRenderer barrenderer = (BarRenderer) categoryplot.getRenderer();
barrenderer.setBaseItemLabelFont(new Font("宋体", Font.PLAIN, 12));
barrenderer.setSeriesItemLabelFont(1, new Font("宋体", Font.PLAIN, 12));
CategoryAxis domainAxis = categoryplot.getDomainAxis();
/*------设置X轴坐标上的文字-----------*/
domainAxis.setTickLabelFont(new Font("sans-serif", Font.PLAIN, 11));
/*------设置X轴的标题文字------------*/
domainAxis.setLabelFont(new Font("宋体", Font.PLAIN, 12));
/*------设置Y轴坐标上的文字-----------*/
numberaxis.setTickLabelFont(new Font("sans-serif", Font.PLAIN, 12));
/*------设置Y轴的标题文字------------*/
numberaxis.setLabelFont(new Font("黑体", Font.PLAIN, 12));
/*------这句代码解决了底部汉字乱码的问题-----------*/
jfreechart.getLegend().setItemFont(new Font("宋体", Font.PLAIN, 12));
barrenderer.setDrawBarOutline(false);
GradientPaint gradientpaint = new GradientPaint(0.0F, 0.0F, Color.blue, 0.0F, 0.0F, new Color(
0, 0, 64));
GradientPaint gradientpaint1 = new GradientPaint(0.0F, 0.0F, Color.green, 0.0F, 0.0F,
new Color(0, 64, 0));
GradientPaint gradientpaint2 = new GradientPaint(0.0F, 0.0F, Color.red, 0.0F, 0.0F, new Color(
64, 0, 0));
barrenderer.setSeriesPaint(0, gradientpaint);
barrenderer.setSeriesPaint(1, gradientpaint1);
barrenderer.setSeriesPaint(2, gradientpaint2);
barrenderer.setLegendItemToolTipGenerator(new StandardCategorySeriesLabelGenerator(
"Tooltip: {0}"));
CategoryAxis categoryaxis = categoryplot.getDomainAxis();
categoryaxis.setCategoryLabelPositions(CategoryLabelPositions
.createUpRotationLabelPositions(0.52359877559829882D));
return jfreechart;
}
public static JPanel createDemoPanel() {
JFreeChart jfreechart = createChart(createDataset());
return new ChartPanel(jfreechart);
}
public static void main(String args[]) {
BarChartDemo1 barchartdemo1 = new BarChartDemo1("黑体JFreeChart: BarChartDemo1.java");
barchartdemo1.pack();
RefineryUtilities.centerFrameOnScreen(barchartdemo1);
barchartdemo1.setVisible(true);
}
}
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发表评论
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java中如何使用amcharts(转)
2010-09-19 21:03 3357最近公司碰到需要用图表的形式显示一些数据，我就开始到网上查询， ... -
几款前端开源flash报表比较
2010-09-19 20:58 21741.YUI(Ext)-chart 官网：http://deve ... -
amChart报表（号称最强大的chart组件）
2010-09-19 20:56 2364amChart称最强大的chart组件，官方甚至提供了在线配置 ... -
open-flash-chart 和 FusionCharts Free 探究
2010-09-03 15:39 1543open-flash-chart 和 FusionCharts ... -
open-flash-chart2系列教程
2010-09-02 23:27 1680open-flash-chart2系列教程 -
Flash图表工具FusionChart
2010-09-02 22:47 1162Flash图表工具FusionChart 官方网站:http ... -
Open Flash Chart组件的使用
2010-09-02 22:46 1006Open Flash Chart组件的使用 简介 官方：ht ... -
jfreechart学习资料
2010-09-02 22:37 958jfreechart学习资料 -
又见jfreechart例子
2010-09-02 22:26 1116JFreeChart画雷达图、带刻度雷达图、蜘蛛网、带刻度蜘蛛 ... -
jFreeChart 在jsp页上实现简单的折线图、柱状图
2010-09-02 22:19 1349创建柱状图 1 引入jFreechart的包 jcommo ... -
jfreechart实例
2010-09-02 22:14 1366例子： http://blog.csdn.net/Ami121 ...
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