惯用JfreeChart图标生成代码

2012-12-20

常用JfreeChart图标生成代码1、饼图、柱状图、折线图生成的工具类? 1? package? com.text.util? 2? ? 3? imp

常用JfreeChart图标生成代码

1、饼图、柱状图、折线图生成的工具类

? 1? package? com.text.util;
? 2?
? 3? import? java.awt.BasicStroke;
? 4? import? java.awt.Color;
? 5? import? java.awt.Font;
? 6? import? java.awt.GradientPaint;
? 7? import? java.io.IOException;
? 8? import? java.text.DecimalFormat;
? 9? import? java.text.NumberFormat;
?10? import? java.text.SimpleDateFormat;
?11?
?12? import? javax.servlet.http.HttpServletRequest;
?13? import? javax.servlet.http.HttpSession;
?14?
?15? import? org.jfree.chart.ChartFactory;
?16? import? org.jfree.chart.JFreeChart;
?17? import? org.jfree.chart.axis.CategoryAxis;
?18? import? org.jfree.chart.axis.DateAxis;
?19? import? org.jfree.chart.axis.ValueAxis;
?20? import? org.jfree.chart.labels.ItemLabelAnchor;
?21? import? org.jfree.chart.labels.ItemLabelPosition;
?22? import? org.jfree.chart.labels.StandardCategoryItemLabelGenerator;
?23? import? org.jfree.chart.labels.StandardPieSectionLabelGenerator;
?24? import? org.jfree.chart.labels.StandardPieToolTipGenerator;
?25? import? org.jfree.chart.labels.StandardXYItemLabelGenerator;
?26? import? org.jfree.chart.labels.StandardXYToolTipGenerator;
?27? import? org.jfree.chart.plot.CategoryPlot;
?28? import? org.jfree.chart.plot.IntervalMarker;
?29? import? org.jfree.chart.plot.PiePlot;
?30? import? org.jfree.chart.plot.PlotOrientation;
?31? import? org.jfree.chart.plot.XYPlot;
?32? import? org.jfree.chart.renderer.category.BarRenderer;
?33? import? org.jfree.chart.renderer.category.BarRenderer3D;
?34? import? org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
?35? import? org.jfree.chart.servlet.ServletUtilities;
?36? import? org.jfree.chart.title.LegendTitle;
?37? import? org.jfree.chart.title.TextTitle;
?38? import? org.jfree.data.category.CategoryDataset;
?39? import? org.jfree.data.general.DefaultPieDataset;
?40? import? org.jfree.data.time.TimeSeriesCollection;
?41? import? org.jfree.ui.Layer;
?42? import? org.jfree.ui.TextAnchor;
?43? import? org.jfree.util.Rotation;
?44?
?45? /**??
?46?? * 文件名：JFreeChartServlet.java
?47?? * 包??? 名：com.report.servlet
?48?? * 创建人：
?49?? * 创建日期： Mar 30, 2010 1:00:23 PM
?50?? * 描??? 述：生成jFreeChart
?51??? */???
?52? public?? class? JFreeChartCreater? {
?53?
?54?????? /**??
?55?????? * 方法名称：createPieChart
?56?????? * 功能描述：创建PieChart(饼图)图表
?57?????? * 返回值：JFreeChart
?58?????? * 创建人：
?59?????? * 创建日期：Mar 30, 2010 12:59:07 PM
?60?????? * @param? dataset
?61??????? */???
?62?????? public?? static? JFreeChart createPieChart(DefaultPieDataset dataset,??
?63????????????? String title, boolean? is3D) {??
?64????????? JFreeChart chart = null ;??
?65?????????? if (is3D){??
?66????????????? chart = ChartFactory.createPieChart3D(??
?67????????????????????? title,? //? 图表标题???
?68????????????????????? dataset,? //? 数据集???
?69?????????????????????? true ,? //? 是否显示图例???
?70?????????????????????? true ,? //? 是否显示工具提示???
?71?????????????????????? true?? //? 是否生成URL???
?72????????????????????? );??
?73????????? }??
?74?????????? else { chart? =? ChartFactory.createPieChart(??
?75????????????????? title,? //? 图表标题???
?76????????????????? dataset,? //? 数据集???
?77?????????????????? true ,? //? 是否显示图例???
?78?????????????????? true ,? //? 是否显示工具提示???
?79?????????????????? true?? //? 是否生成URL???
?80????????????????? );??
?81????????? }??
?82?????????? //? 设置标题字体,为了防止中文乱码：必须设置字体???
?83????????? chart.setTitle( new? TextTitle(title,? new? Font( " 黑体 " , Font.ITALIC,? 22 )));??
?84?????????? //? 设置图例的字体,为了防止中文乱码：必须设置字体???
?85????????? chart.getLegend().setItemFont( new? Font( " 黑体 " , Font.BOLD,? 12 ));??
?86?????????? //? 获取饼图的Plot对象(实际图表)???
?87????????? PiePlot plot? =? (PiePlot) chart.getPlot();??
?88?????????? //? 图形边框颜色???
?89????????? plot.setBaseSectionOutlinePaint(Color.GRAY);??
?90?????????? //? 图形边框粗细???
?91????????? plot.setBaseSectionOutlineStroke( new? BasicStroke( 0.0f ));??
?92?????????? //? 设置饼状图的绘制方向，可以按顺时针方向绘制，也可以按逆时针方向绘制???
?93????????? plot.setDirection(Rotation.ANTICLOCKWISE);??
?94?????????? //? 设置绘制角度(图形旋转角度)???
?95????????? plot.setStartAngle( 70 );??
?96?????????? //? 设置突出显示的数据块??
?97?????????? //? plot.setExplodePercent("One", 0.1D);??
?98?????????? //? 设置背景色透明度???
?99????????? plot.setBackgroundAlpha( 0.7F );??
100?????????? //? 设置前景色透明度???
101????????? plot.setForegroundAlpha( 0.65F );??
102?????????? //? 设置区块标签的字体==为了防止中文乱码：必须设置字体???
103????????? plot.setLabelFont( new? Font( " 宋体 " , Font.PLAIN,? 12 ));??
104?????????? //? 扇区分离显示,对3D图不起效???
105?????????? if (is3D)??
106????????????? plot.setExplodePercent(dataset.getKey( 3 ),? 0.1D );??
107?????????? //? 图例显示百分比:自定义方式，{0} 表示选项， {1} 表示数值， {2} 表示所占比例 ,小数点后两位???
108????????? plot.setLabelGenerator( new? StandardPieSectionLabelGenerator(??
109?????????????????? " {0}:{1}\r\n({2}) " , NumberFormat.getNumberInstance(),??
110?????????????????? new? DecimalFormat( " 0.00% " )));??
111?????????? //? 指定显示的饼图为：圆形(true) 还是椭圆形(false)???
112????????? plot.setCircular( true );??
113?????????? //? 没有数据的时候显示的内容???
114????????? plot.setNoDataMessage( " 找不到可用数据 " );??
115???
116?????????? //? 设置鼠标悬停提示???
117????????? plot.setToolTipGenerator( new? StandardPieToolTipGenerator());??
118?????????? //? 设置热点链接??
119?????????? //? plot.setURLGenerator(new StandardPieURLGenerator("detail.jsp"));???
120???
121?????????? return? chart;??
122????? }??
123?????? /**??
124?????? * 方法名称：createPieChart
125?????? * 功能描述：创建BarChart(柱状图/条形图)图表?
126?????? * 返回值：JFreeChart
127?????? * 创建人：
128?????? * 创建日期：Mar 30, 2010 12:59:07 PM
129?????? * @param? dataset
130??????? */?
131????? @SuppressWarnings( " deprecation " )
132?????? public?? static? JFreeChart createBarChart(CategoryDataset dataset,??
133????????????? String title, String x, String y, boolean? is3D) {??
134????????? JFreeChart chart? = null ;?
135????????? BarRenderer renderer? =?? null ;
136?????????? if (is3D){??
137????????????? chart? =? ChartFactory.createBarChart3D(? //? 3D柱状图??
138?????????????????????? //? JFreeChart chart = ChartFactory.createLineChart3D(? // 3D折线图???
139????????????????????? title,? //? 图表的标题???
140????????????????????? x,? //? 目录轴的显示标签???
141????????????????????? y,? //? 数值轴的显示标签???
142????????????????????? dataset,? //? 数据集???
143????????????????????? PlotOrientation.VERTICAL,? //? 图表方式：V垂直;H水平???
144?????????????????????? true ,? //? 是否显示图例???
145?????????????????????? false ,? //? 是否显示工具提示???
146?????????????????????? false?? //? 是否生成URL???
147????????????????????? );??
148?????????????? //? 柱图的呈现器
149????????????? renderer? =?? new? BarRenderer3D();
150????????????? renderer.setItemLabelGenerator( new? StandardCategoryItemLabelGenerator());????
151????????????? renderer.setItemLabelFont( new??? Font( " 黑体 " ,Font.PLAIN, 12 ));????
152????????????? renderer.setItemLabelsVisible( true );
153?????????????? // 3D柱子上不能正常显示数字
154?????????????? // 注意：如果数值太大切前面的柱子低于后面的柱子，那么前面的那个数值将被挡住，所以将下面方法中的0该为-值
155????????????? ItemLabelPosition itemLabelPositionFallback? =?? new? ItemLabelPosition(
156????????????????????? ItemLabelAnchor.OUTSIDE12,TextAnchor.BASELINE_LEFT,
157????????????????????? TextAnchor.HALF_ASCENT_LEFT, - 1.3D );
158?????????????? // 设置不能正常显示的柱子label的position
159????????????? renderer.setPositiveItemLabelPositionFallback(itemLabelPositionFallback);
160????????????? renderer.setNegativeItemLabelPositionFallback(itemLabelPositionFallback);
161????????? } else {??
162????????????? chart? =? ChartFactory.createBarChart(? //? 柱状图??
163?????????????????????? //? JFreeChart chart = ChartFactory.createLineChart3D(? // 3D折线图???
164????????????????????? title,? //? 图表的标题???
165????????????????????? x,? //? 目录轴的显示标签???
166????????????????????? y,? //? 数值轴的显示标签???
167????????????????????? dataset,? //? 数据集???
168????????????????????? PlotOrientation.VERTICAL,? //? 图表方式：V垂直;H水平???
169?????????????????????? true ,? //? 是否显示图例???
170?????????????????????? false ,? //? 是否显示工具提示???
171?????????????????????? false?? //? 是否生成URL???
172????????????????????? );?
173?????????????? //? 柱图的呈现器
174????????????? renderer? =?? new? BarRenderer();
175????????????? renderer.setIncludeBaseInRange( true );???????? //? 显示每个柱的数值，并修改该数值的字体属性???
176????????????? renderer.setBaseItemLabelGenerator( new? StandardCategoryItemLabelGenerator());??
177????????????? renderer.setBaseItemLabelsVisible( true );
178????????? }??
179????????????
180?????????? // 设置图片背景
181? //???????? chart.setBackgroundPaint(Color.PINK);
182?????????? //? 为了防止中文乱码：必须设置字体???
183????????? chart.setTitle( new? TextTitle(title,? new? Font( " 黑体 " , Font.PLAIN,? 22 )));??
184????????? LegendTitle legend? =? chart.getLegend();? //? 获取图例???
185????????? legend.setItemFont( new? Font( " 宋体 " , Font.BOLD,? 12 ));? //? 设置图例的字体，防止中文乱码???
186????????? CategoryPlot plot? =? (CategoryPlot) chart.getPlot();? //? 获取柱图的Plot对象(实际图表)??
187?????????? //? 设置柱图背景色（注意，系统取色的时候要使用16位的模式来查看颜色编码，这样比较准确）???
188????????? plot.setBackgroundPaint( new? Color( 255 ,? 255 ,? 204 ));??
189????????? plot.setForegroundAlpha( 0.65F );? //? 设置前景色透明度??
190?????????? //? 设置横虚线可见???
191????????? plot.setRangeGridlinesVisible( true );??
192?????????? //? 虚线色彩???
193????????? plot.setRangeGridlinePaint(Color.gray);?
194???
195????????? ValueAxis rangeAxis? =? plot.getRangeAxis();
196?????????? // 设置最高的一个Item与图片顶端的距离
197????????? rangeAxis.setUpperMargin( 0.2 );
198?????????? // 设置最低的一个Item与图片底端的距离
199????????? rangeAxis.setLowerMargin( 0.3 );
200?????????
201????????? CategoryAxis domainAxis? =? plot.getDomainAxis();? //? 获取x轴???
202????????? domainAxis.setMaximumCategoryLabelWidthRatio( 1.0f ); //? 横轴上的 Lable 是否完整显示???
203????????? domainAxis.setLabelFont( new? Font( " 宋体 " , Font.TRUETYPE_FONT,? 14 )); //? 设置字体，防止中文乱码???
204????????? domainAxis.setTickLabelFont( new? Font( " 宋体 " , Font.BOLD,? 12 )); //? 轴数值?
205?????????? //? h.setCategoryLabelPositions(CategoryLabelPositions.UP_45); // 45度倾斜???
206????????? plot.getRangeAxis().setLabelFont( new? Font( " 宋体 " , Font.TRUETYPE_FONT,? 14 ));? //? Y轴设置字体，防止中文乱码???
207???????????
208????????? renderer.setBaseOutlinePaint(Color.BLACK);??? //? 设置柱子边框颜色?
209????????? renderer.setDrawBarOutline( true );??????????????? //? 设置柱子边框可见?
210????????? renderer.setSeriesPaint( 0 , Color.YELLOW);???? //? 设置每个柱的颜色
211????????? renderer.setSeriesPaint( 1 , Color.green);
212????????? renderer.setSeriesPaint( 2 , Color.RED);
213????????? renderer.setSeriesPaint( 3 , Color.CYAN);
214????????? renderer.setSeriesPaint( 5 , Color.ORANGE);
215????????? renderer.setSeriesPaint( 4 , Color.MAGENTA);
216????????? renderer.setSeriesPaint( 6 , Color.DARK_GRAY);
217????????? renderer.setSeriesPaint( 7 , Color.PINK);
218????????? renderer.setSeriesPaint( 8 , Color.black);
219????????? renderer.setItemMargin( 0.1 );??????????????????? //? 设置每个地区所包含的平行柱的之间距离
220????????? plot.setRenderer(renderer);?????????????????? //? 给柱图添加呈现器???
221????????? plot.setForegroundAlpha( 0.7f );??????????????? //? 设置柱的透明度
222? //???????? renderer.setMaximumBarWidth(0.2);???????????? //? 设置柱子宽度??
223? //???????? renderer.setMinimumBarLength(0.6);??????????? //? 设置柱子高度
224?????????? // 设置横坐标显示位置(默认是下方)；
225? //???????? plot.setDomainAxisLocation(AxisLocation.TOP_OR_RIGHT);
226?????????? // 设置纵坐标显示位置(默认是左方)
227? //???????? plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_RIGHT);
228?????????? //? 没有数据的时候显示的内容???
229????????? plot.setNoDataMessage( " 找不到可用数据 " );??
230???
231?????????? return? chart;??
232????? }??
233???
234?????? /**??
235?????? * 方法名称：JFreeChartSeriesChart
236?????? * 功能描述：创建曲线图(折线图)
237?????? * 注意事项：一般曲线图不用加域所以后4个参数一般为(false,null,0,0)
238?????? * 参数：title-标题;subtitleStr-子标题;domain-x轴标志;range-y轴标志;dataset-设置数据;isAreaText-是否在图标中加域;
239?????? * areaText-域中文字，lowpress-域的最低刻度;uperpress-域的最高刻度
240?????? * 返回值：JFreeChart
241?????? * 创建人：
242?????? * 创建日期：Mar 30, 2010 1:11:24 PM
243??????? */???
244????? @SuppressWarnings( " deprecation " )
245?????? public?? static? JFreeChart JFreeChartSeriesChart(String title,
246????????????? String subtitleStr, String domain, String range,
247????????????? TimeSeriesCollection dataset, boolean? isAreaText,String areaText, double? lowpress, double? uperpress) {? // 时间曲线元素
248?????????? //? JFreeChart chart = ChartFactory.createTimeSeriesChart("标题","x轴标志","y轴标志","设置数据",是否显示图形,是否进行提示,是否配置报表存放地址);
249????????? JFreeChart chart? =? ChartFactory.createTimeSeriesChart(title, domain,range, dataset,? true ,? true ,? false );
250??????????
251?????????? if (subtitleStr != null ){
252????????????? TextTitle subtitle? =?? new? TextTitle(subtitleStr,? new? Font( " 黑体 " ,Font.BOLD,? 12 ));
253????????????? chart.addSubtitle(subtitle);
254????????? }
255?????????? //? 设置日期显示格式
256????????? XYPlot plot? =? chart.getXYPlot();
257????????? DateAxis axis? =? (DateAxis) plot.getDomainAxis();
258????????? axis.setDateFormatOverride( new? SimpleDateFormat( " yyyy-MM-dd " ));
259?????????? //? 设置标题的颜色??
260????????? chart.setTitle( new? TextTitle(title,? new? Font( " 黑体 " , Font.ITALIC,? 22 )));
261????????? chart.setBackgroundPaint( new? GradientPaint( 0 ,? 0 , Color.white,? 0 ,? 1000 , Color.blue));
262????????? plot.setOutlineStroke( new? BasicStroke( 1.5f ));? //? 边框粗细
263????????? ValueAxis vaxis? =? plot.getDomainAxis();
264??????????? vaxis.setAxisLineStroke(new BasicStroke(1.5f)); // 坐标轴粗细
265???????? vaxis.setAxisLinePaint(new Color(215, 215, 215)); // 坐标轴颜色
266???????? vaxis.setLabelPaint(new Color(10, 10, 10)); // 坐标轴标题颜色
267???????? vaxis.setTickLabelPaint(new Color(102, 102, 102)); // 坐标轴标尺值颜色
268???????? vaxis.setLowerMargin(0.06d);// 分类轴下（左）边距
269???????? vaxis.setUpperMargin(0.14d);// 分类轴下（右）边距,防止最后边的一个数据靠近了坐标轴。
270???????? plot.setNoDataMessage("找不到可用数据");//没有数据时显示的文字说明。
271???????? XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer)plot.getRenderer();
272???????? //第一条折线的颜色?
273???????? xylineandshaperenderer.setBaseItemLabelsVisible(true);?
274???????? xylineandshaperenderer.setSeriesFillPaint(0, new Color(127, 128, 0));?
275???????? xylineandshaperenderer.setSeriesPaint(0, new Color(127, 128, 0));?
276???????? xylineandshaperenderer.setSeriesShapesVisible(0, true);?
277???????? xylineandshaperenderer.setSeriesShapesVisible(1, true);
278???????? xylineandshaperenderer.setSeriesShapesVisible(2, true);
279???????? xylineandshaperenderer.setSeriesShapesVisible(3, true);
280???????? xylineandshaperenderer.setSeriesShapesVisible(4, true);
281???????? //折线的粗细调?
282???????? StandardXYToolTipGenerator xytool = new StandardXYToolTipGenerator();?
283???????? xylineandshaperenderer.setToolTipGenerator(xytool);?
284???????? xylineandshaperenderer.setStroke(new BasicStroke(1.5f));
285???????? // 显示节点的值?
286???????? xylineandshaperenderer.setBaseItemLabelsVisible(true);?
287???????? xylineandshaperenderer.setBasePositiveItemLabelPosition(new ItemLabelPosition(?
288???????? ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_CENTER));?
289???????? xylineandshaperenderer.setBaseItemLabelGenerator(new StandardXYItemLabelGenerator());?
290???????? xylineandshaperenderer.setBaseItemLabelPaint(new Color(102, 102, 102));// 显示折点数值字体的颜色?
291????????
292???????? ValueAxis rangeAxis = plot.getRangeAxis();
293???????? //设置最高的一个Item与图片顶端的距离
294???????? rangeAxis.setUpperMargin(0.2);
295???????? //设置最低的一个Item与图片底端的距离
296???????? rangeAxis.setLowerMargin(0.3);
297???????? //在图表中加区域加区域
298???????? if(isAreaText){
299???????????? lowpress = 62;?
300???????????? uperpress = 400;?
301???????????? IntervalMarker intermarker = new IntervalMarker(lowpress, uperpress);?
302???????????? intermarker.setPaint(Color.decode("#66FFCC"));// 域顏色?
303???????????? intermarker.setLabelFont(new Font("SansSerif", 41, 14));?
304???????????? intermarker.setLabelPaint(Color.RED);
305???????????? intermarker.setLabel(areaText);
306???????????? if (dataset != null) {?
307???????????????? plot.addRangeMarker(intermarker, Layer.BACKGROUND);?
308???????????? }?
309???????? }
310???????? return chart;
311???? }
312
313
314???? /**?
315????? * 方法名称：getGraphURL
316????? * 功能描述：取得session中图像的地址；
317????? * 返回值：String
318????? * 创建人：
319????? * 创建日期：Mar 30, 2010 1:09:51 PM
320????? */??
321???? public static String getGraphURL(JFreeChart chart, HttpSession session,
322???????????? HttpServletRequest request, int width, int height)throws IOException {
323???????? String filename = ServletUtilities.saveChartAsPNG(chart, width, height,null, session);
324???????? String graphURL = request.getContextPath()+ "/servlet/DisplayChart?filename=" + filename;
325???????? return graphURL;
326???? }
327????
328 }?

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惯用JfreeChart图标生成代码