1 package kite.struts2.action;
2
3
4 import java.awt.Font;
5
6 import javax.annotation.Resource;
7
8 import kite.domain.Question;
9 import kite.domain.statistics.OptionStatisticsModel;
10 import kite.domain.statistics.QuestionStatisticsModel;
11 import kite.service.StatisticsService;
12
13 import org.jfree.chart.ChartFactory;
14 import org.jfree.chart.JFreeChart;
15 import org.jfree.chart.plot.PiePlot;
16 import org.jfree.chart.plot.PlotOrientation;
17 import org.jfree.data.category.DefaultCategoryDataset;
18 import org.jfree.data.general.DefaultPieDataset;
19 import org.jfree.util.Rotation;
20 import org.springframework.context.annotation.Scope;
21 import org.springframework.stereotype.Controller;
22
23
24 /**
25 * 针对非矩阵式题型的设计,可有饼图 柱状图 折线图等
26 */
27 @Controller("chartOutputAction")
28 @Scope("prototype")
29 public class ChartOutputAction extends BaseAction<Question> {
30 private static final long serialVersionUID = -9021947290801678287L;
31 /* 平面饼图 */
32 private static final int CHARTTYPE_PIE_2D = 0;
33 /* 立体饼图 */
34 private static final int CHARTTYPE_PIE_3D = 1;
35 /* 水平平面柱状图 */
36 private static final int CHARTTYPE_BAR_2D_H = 2;
37 /* 竖直平面柱状图 */
38 private static final int CHARTTYPE_BAR_2D_V = 3;
39 /* 水平立体柱状图 */
40 private static final int CHARTTYPE_BAR_3D_H = 4;
41 /* 竖直立体柱状图 */
42 private static final int CHARTTYPE_BAR_3D_V = 5;
43 /* 平面折线图 */
44 private static final int CHARTTYPE_LINE_2D = 6;
45 /* 立体折线图 */
46 private static final int CHARTTYPE_LINE_3D = 7;
47
48 // 图表类型
49 private int chartType;
50 // 对哪个问题进行统计
51 private Integer qid;
52
53 // 注入统计服务
54 @Resource
55 private StatisticsService ss;
56
57 /**
58 * 生成图表并输出到浏览器
59 */
60 public String execute() {
61 return SUCCESS;
62 }
63
64 @SuppressWarnings("deprecation")
65 public JFreeChart getChart() {
66 JFreeChart chart = null ;
67 try {
68 Font font = new Font("宋体", 0, 20);// 字体
69 QuestionStatisticsModel qsm = ss.statistics(qid);
70 DefaultPieDataset pieds = null;// 饼图的数据集
71 DefaultCategoryDataset cateds = null;// 种类数据集
72 //构造数据集
73 if(chartType < 2){
74 pieds = new DefaultPieDataset();
75 for (OptionStatisticsModel om : qsm.getOsms()) {
76 pieds.setValue(om.getOptionLabel(), om.getCount());
77 }
78 }
79 else{
80 cateds = new DefaultCategoryDataset();
81 for (OptionStatisticsModel osm : qsm.getOsms()) {
82 cateds.addValue(osm.getCount(), osm.getOptionLabel(), "");
83 }
84 }
85
86 // 判断要求的图形
87 switch (chartType) {
88 case CHARTTYPE_PIE_2D:// 平面饼图
89 chart = ChartFactory.createPieChart(qsm.getQuestion().getTitle(), pieds, true, false, false);
90 break ;
91 case CHARTTYPE_PIE_3D:// 立体饼图
92 chart = ChartFactory.createPieChart3D(qsm.getQuestion().getTitle(), pieds, true, true, true);
93 //设置前景色透明度
94 chart.getPlot().setForegroundAlpha(0.6f);
95 break ;
96 case CHARTTYPE_BAR_2D_H:// 平面条形图
97 chart = ChartFactory.createBarChart(qsm.getQuestion().getTitle(), "", "", cateds,
98 PlotOrientation.HORIZONTAL, true, true, true);
99 break ;
100 case CHARTTYPE_BAR_2D_V:// 平面条形图
101 chart = ChartFactory.createBarChart(qsm.getQuestion().getTitle(), "", "", cateds,
102 PlotOrientation.VERTICAL, true, true, true);
103 case CHARTTYPE_BAR_3D_H:// 平面条形图
104 chart = ChartFactory.createBarChart3D(qsm.getQuestion().getTitle(), "", "", cateds,
105 PlotOrientation.HORIZONTAL, true, true, true);
106 case CHARTTYPE_BAR_3D_V:// 平面条形图
107 chart = ChartFactory.createBarChart3D(qsm.getQuestion().getTitle(), "", "", cateds,
108 PlotOrientation.VERTICAL, true, true, true);
109 break ;
110 //
111 case CHARTTYPE_LINE_2D:// 平面条形图
112 chart = ChartFactory.createLineChart(qsm.getQuestion().getTitle(), "", "", cateds,
113 PlotOrientation.VERTICAL, true, true, true);
114 break ;
115 case CHARTTYPE_LINE_3D:// 平面条形图
116 chart = ChartFactory.createLineChart3D(qsm.getQuestion().getTitle(), "", "", cateds,
117 PlotOrientation.HORIZONTAL, true, true, true);
118 break ;
119 }
120 //设置标题和提示条中文
121 chart.getTitle().setFont(font);
122 chart.getLegend().setItemFont(font);
123 //chart.setBackgroundImageAlpha(0.2f);
124
125 //设置饼图特效
126 if(chart.getPlot() instanceof PiePlot){
127 PiePlot pieplot = (PiePlot) chart.getPlot();
128 pieplot.setLabelFont(font);
129 pieplot.setExplodePercent(0, 0.1);
130 pieplot.setStartAngle(-15);
131 pieplot.setDirection(Rotation.CLOCKWISE);
132 pieplot.setNoDataMessage("No data to display");
133 //pieplot.setForegroundAlpha(0.5f);
134 //pieplot.setBackgroundImageAlpha(0.3f);
135 }
136 //设置非饼图效果
137 else{
138 chart.getCategoryPlot().getRangeAxis().setLabelFont(font);
139 chart.getCategoryPlot().getRangeAxis().setTickLabelFont(font);
140 chart.getCategoryPlot().getDomainAxis().setLabelFont(font);
141 chart.getCategoryPlot().getDomainAxis().setTickLabelFont(font);
142 }
143 } catch (Exception e) {
144 e.printStackTrace();
145 }
146 return chart ;
147 }
148
149 public int getChartType() {
150 return chartType;
151 }
152
153 public void setChartType(int chartType) {
154 this.chartType = chartType;
155 }
156
157 public Integer getQid() {
158 return qid;
159 }
160
161 public void setQid(Integer qid) {
162 this.qid = qid;
163 }
164 }
