JAVA Swing uses Jfreechart for line drawing

The effect is as follows:

　　

Implementation steps:

1. Importing the JAR Package

　　　　

These two jar packages are included in the zip file downloaded from Jfreechart official website

2. Code writing

1 Importorg.jfree.chart.ChartFactory;2 ImportOrg.jfree.chart.ChartPanel;3 ImportOrg.jfree.chart.JFreeChart;4 ImportOrg.jfree.chart.axis.DateAxis;5 ImportOrg.jfree.chart.axis.DateTickUnit;6 ImportOrg.jfree.chart.labels.ItemLabelAnchor;7 Importorg.jfree.chart.labels.ItemLabelPosition;8 ImportOrg.jfree.chart.labels.StandardXYItemLabelGenerator;9 ImportOrg.jfree.chart.plot.XYPlot;Ten ImportOrg.jfree.chart.renderer.xy.XYItemRenderer; One ImportOrg.jfree.chart.renderer.xy.XYLineAndShapeRenderer; A ImportOrg.jfree.chart.title.TextTitle; - ImportOrg.jfree.data.time.Month; - Importorg.jfree.data.time.TimeSeries; the Importorg.jfree.data.time.TimeSeriesCollection; - ImportOrg.jfree.ui.TextAnchor; -  - Importjavax.swing.*; + Importjava.awt.*; - ImportJava.text.SimpleDateFormat; +  A  Public classTimeserieschart { at     PrivateTimeserieschart () { -  -         //A site's traffic statistics -TimeSeries timeSeries1 =NewTimeSeries ("A", Month.class); -         //Add Data -Timeseries1.add (NewMonth (1, 2016), 154); inTimeseries1.add (NewMonth (2, 2016), 256); -Timeseries1.add (NewMonth (3, 2016), 312); toTimeseries1.add (NewMonth (4, 2016), 489); +Timeseries1.add (NewMonth (5, 2016), 563); -Timeseries1.add (NewMonth (6, 2016), 555); theTimeseries1.add (NewMonth (7, 2016), 359); *Timeseries1.add (NewMonth (8, 2016), 291); $Timeseries1.add (NewMonth (9, 2016), 123);Panax NotoginsengTimeseries1.add (NewMonth (10, 2016), 438); -Timeseries1.add (NewMonth (11, 2016), 286); the  +         //A site's traffic statistics ATimeSeries TimeSeries2 =NewTimeSeries ("A", Month.class); the         //Add Data +Timeseries2.add (NewMonth (1, 2016), 124); -Timeseries2.add (NewMonth (2, 2016), 326); $Timeseries2.add (NewMonth (3, 2016), 12); $Timeseries2.add (NewMonth (4, 2016), 567); -Timeseries2.add (NewMonth (5, 2016), 546); -Timeseries2.add (NewMonth (6, 2016), 123); theTimeseries2.add (NewMonth (7, 2016), 222); -Timeseries2.add (NewMonth (8, 2016), 545);WuyiTimeseries2.add (NewMonth (9, 2016), 56); theTimeseries2.add (NewMonth (10, 2016), 543); -Timeseries2.add (NewMonth (11, 2016), 221); Wu  -         //define a collection of time series AboutTimeseriescollection Linedataset =Newtimeseriescollection (); $ linedataset.addseries (timeSeries1); - linedataset.addseries (timeSeries2); -  -  A //Jfreechart chart = Chartfactory.createxystepchart ("Time line graph", "M", "F", Xyseriescollection, Plotorient ation. Horizontal, False, False, false); +Jfreechart chart = Chartfactory.createtimeserieschart ("Time line graph", "M", "F", Linedataset,false,false,false); the         //set the main title -Chart.settitle (NewTexttitle ("A/b website traffic statistics comparison Chart")); $         //set sub-headings theTexttitle subtitle =NewTexttitle ("2016 annual",NewFont ("Arial", Font.Bold, 12)); the Chart.addsubtitle (subtitle); the  theChart.setantialias (true); -  in         //sets the range of the timeline.  theXyplot plot =(Xyplot) Chart.getplot (); theDateaxis Dateaxis =(Dateaxis) Plot.getdomainaxis (); AboutDateaxis.setdateformatoverride (NewSimpleDateFormat ("M")); theDateaxis.settickunit (NewDatetickunit (Datetickunit.month, 1)); the  the         //set whether a curve displays data points +Xylineandshaperenderer Xylinerenderer =(Xylineandshaperenderer) plot.getrenderer (); -Xylinerenderer.setbaseshapesvisible (true); the Bayi         //set the curve to show the values of each data point theXyitemrenderer Xyitem =plot.getrenderer (); theXyitem.setbaseitemlabelsvisible (true); -Xyitem.setbasepositiveitemlabelposition (Newitemlabelposition (Itemlabelanchor.outside12, Textanchor.baseline_center)); -Xyitem.setbaseitemlabelgenerator (Newstandardxyitemlabelgenerator ()); theXyitem.setbaseitemlabelfont (NewFont ("Dialog", Font.Bold, 12)); the Plot.setrenderer (xyitem); the  theJPanel JPanel =NewChartpanel (chart); -  the  theJFrame frame =NewJFrame ("Jfreechart Test"); the Frame.add (jPanel);94Frame.setbounds (0, 0, 800, 600); theFrame.setvisible (true); the     } the 98      Public Static voidMain (string[] args) { AboutTimeserieschart Timeserieschart =NewTimeserieschart (); -     }101}

JAVA Swing uses Jfreechart for line drawing