1 package line;
2
3 import org.jfree.chart.ChartFactory;
4 import org.jfree.chart.ChartPanel;
5 import org.jfree.chart.title.TextTitle;
6 import org.jfree.data.time.TimeSeries;
7 import org.jfree.data.time.Month;
8 import org.jfree.data.time.TimeSeriesCollection;
9 import org.jfree.chart.plot.XYPlot;
10 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
11 import java.awt.Color;
12 import org.jfree.ui.RectangleInsets;
13 import java.awt.Font;
14 import org.jfree.chart.renderer.xy.XYItemRenderer;
15 import org.jfree.chart.JFreeChart;
16 import org.jfree.chart.labels.*;
17 import org.jfree.ui.*;
18 import java.awt.*;
19 import java.text.*;
20 import javax.swing.JPanel;
21 import org.jfree.chart.axis.DateAxis;
22 import org.jfree.chart.axis.ValueAxis;
23 import org.jfree.chart.axis.NumberAxis;
24
25 public class LineChart extends ApplicationFrame {
26
27 private static final long serialVersionUID = 1L;
28
29 // 測試的main方法，顯示是以JPanel窗體的形式顯示的
30 public static void main(String[] args) {
31 LineChart LineChart= new LineChart("曲線圖");
32 LineChart.pack();
33 RefineryUtilities.centerFrameOnScreen(LineChart);
34 LineChart.setVisible(true);
35 }
36
37 public LineChart(String s) {
38 super(s);
39 setContentPane(createDemoLine());
40 }
41
42 // 生成顯示圖表的面板
43 public static JPanel createDemoLine() {
44 JFreeChart jfreechart = createChart(createDataset());
45 return new ChartPanel(jfreechart);
46 }
47
48 // 生成圖表主對象JFreeChart
49 public static JFreeChart createChart(TimeSeriesCollection linedataset) {
50 JFreeChart chart = ChartFactory.createTimeSeriesChart("訪問量統(tǒng)計時間線", "月份",
51 "訪問量", linedataset, true, true, true);
52
53 // 設置消除字體的鋸齒渲染(解決中文問題)
54 chart.getRenderingHints().put(RenderingHints.KEY_TEXT_ANTIALIASING,
55 RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
56
57 // 設置主標題
58 chart.setTitle(new TextTitle("blog訪問量統(tǒng)計", new Font("楷書", Font.ITALIC,
59 20)));
60 chart.setAntiAlias(true);
61 // 設置子標題
62 TextTitle subtitle = new TextTitle("2010/2011年度訪問量對比", new Font("宋體",
63 Font.BOLD, 12));
64 chart.addSubtitle(subtitle);
65
66 XYPlot plot = (XYPlot) chart.getPlot();
67
68 XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer) plot
69 .getRenderer();
70
71 // 設置網格背景顏色
72 plot.setBackgroundPaint(Color.white);
73 // 設置網格豎線顏色
74 plot.setDomainGridlinePaint(Color.pink);
75 // 設置網格橫線顏色
76 plot.setRangeGridlinePaint(Color.pink);
77 // 設置曲線與xy軸的距離
78 plot.setAxisOffset(new RectangleInsets(0D, 0D, 0D, 10D));
79 // 設置曲線是否顯示數據點
80 xylineandshaperenderer.setBaseShapesVisible(true);
81 // 設置曲線顯示各項數據點的值
82 XYItemRenderer xyitem = plot.getRenderer();
83 xyitem.setBaseItemLabelsVisible(true);
84 xyitem.setBasePositiveItemLabelPosition(new ItemLabelPosition(
85 ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_LEFT));
86 xyitem.setBaseItemLabelGenerator(new StandardXYItemLabelGenerator());
87 xyitem.setBaseItemLabelFont(new Font("Dialog", 1, 14));
88 plot.setRenderer(xyitem);
89
90 // 設置X軸日期顯示的格式
91 SimpleDateFormat format = new SimpleDateFormat("yyyy/MM");
92 DateAxis axis = (DateAxis) plot.getDomainAxis();
93 axis.setDateFormatOverride(format);// 設置x軸數據單位以×年×月方式顯示
94
95 ValueAxis valueAxis = plot.getDomainAxis();
96 // 設置x軸上面的字體
97 valueAxis.setTickLabelFont(new Font("隸書", Font.ITALIC, 12));
98 // 設置X軸的標題文字
99 valueAxis.setLabelFont(new Font("隸書", Font.ITALIC, 12));
100 NumberAxis numberAxis = (NumberAxis) plot.getRangeAxis();
101 // 設置y軸上的字體
102 numberAxis.setTickLabelFont(new Font("宋體", Font.PLAIN, 13));
103 // 設置y軸上的標題字體
104 numberAxis.setLabelFont(new Font("宋體", Font.PLAIN, 13));
105 // 設置底部的字體
106 chart.getLegend().setItemFont(new Font("宋體", Font.PLAIN, 12));
107
108 return chart;
109 }
110
111 // 生成數據
112 public static TimeSeriesCollection createDataset() {
113 // 訪問量統(tǒng)計時間線
114 TimeSeries timeSeries1 = new TimeSeries("2010年度", Month.class);
115 TimeSeries timeSeries2 = new TimeSeries("2011年度", Month.class);
116
117 // 時間曲線數據集合
118 TimeSeriesCollection lineDataset = new TimeSeriesCollection();
119
120 // 構造數據集合
121 timeSeries1.add(new Month(1, 2011), 7200);
122 timeSeries1.add(new Month(2, 2011), 7000);
123 timeSeries1.add(new Month(3, 2011), 4200);
124 timeSeries1.add(new Month(4, 2011), 8200);
125 timeSeries1.add(new Month(5, 2011), 7300);
126 timeSeries1.add(new Month(6, 2011), 8200);
127 timeSeries1.add(new Month(7, 2011), 9200);
128 timeSeries1.add(new Month(8, 2011), 7300);
129 timeSeries1.add(new Month(9, 2011), 9400);
130 timeSeries1.add(new Month(10, 2011), 7500);
131 timeSeries1.add(new Month(11, 2011), 6600);
132 timeSeries1.add(new Month(12, 2011), 3500);
133 timeSeries2.add(new Month(1, 2011), 10200);
134 timeSeries2.add(new Month(2, 2011), 9000);
135 timeSeries2.add(new Month(3, 2011), 6200);
136 timeSeries2.add(new Month(4, 2011), 8200);
137 timeSeries2.add(new Month(5, 2011), 8200);
138 timeSeries2.add(new Month(6, 2011), 11200);
139 timeSeries2.add(new Month(7, 2011), 13200);
140 timeSeries2.add(new Month(8, 2011), 8300);
141 timeSeries2.add(new Month(9, 2011), 10400);
142 timeSeries2.add(new Month(10, 2011), 12500);
143 timeSeries2.add(new Month(11, 2011), 10600);
144 timeSeries2.add(new Month(12, 2011), 10500);
145
146 lineDataset.addSeries(timeSeries1);
147 lineDataset.addSeries(timeSeries2);
148
149 return lineDataset;
150 }
151
152 }
