public static void main(String[] args) throws IOException {
JFreeChart chart =
ChartFactory.createBarChart3D(
"图书销量统计图",
"图书", // 目录轴的显示标签
"销量", // 数值轴的显示标签
getDataSet(),
PlotOrientation.VERTICAL, // 设置图表方向
false,
false,
false);
// 设置标题
chart.setTitle(new TextTitle("图书销量统计图", new Font("黑体", Font.ITALIC, 22)));
// 设置图表部分
CategoryPlot plot = (CategoryPlot) chart.getPlot();
CategoryAxis categoryAxis = plot.getDomainAxis(); // 取得横轴
categoryAxis.setLabelFont(new Font("宋体", Font.BOLD, 22)); // 设置横轴显示标签的字体
categoryAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45); // 分类标签以４５度倾斜
categoryAxis.setTickLabelFont(new Font("宋体", Font.BOLD, 18)); // 分类标签字体
NumberAxis numberAxis = (NumberAxis) plot.getRangeAxis(); // 取得纵轴
numberAxis.setLabelFont(new Font("宋体", Font.BOLD, 42)); // 设置纵轴显示标签字体
FileOutputStream fos = null;
fos = new FileOutputStream("book1.jpg");
ChartUtilities.writeChartAsJPEG(fos, 1, chart, 800, 600, null);
fos.close();
}
public void jpeg() throws IOException {
this.response.setContentType("image/jpeg");
StandardChartTheme standardChartTheme = new StandardChartTheme(theme);
setChartTheme(standardChartTheme);
JFreeChart jFreeChart = createChart();
preRender(jFreeChart);
ChartUtilities.writeChartAsJPEG(this.response.getOutputStream(), jFreeChart, width, height);
}
@SuppressWarnings("unchecked")
public void exportTo(OutputStream os, int width, int height) {
Query query = buildQuery();
List<GroupedDataTuple<T>> results = query.list();
JFreeChart finalChart = chart.build(convertTo(results));
try {
ChartUtilities.writeChartAsJPEG(os, finalChart, width, height);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
@Override
public void createITextObject(FacesContext context) {
if (getBorderBackgroundPaint() != null) {
chart.setBackgroundPaint(findColor(getBorderBackgroundPaint()));
}
if (getBorderPaint() != null) {
chart.setBorderPaint(findColor(getBorderPaint()));
}
if (getBorderStroke() != null) {
chart.setBorderStroke(findStroke(getBorderStroke()));
}
chart.setBorderVisible(getBorderVisible());
configurePlot(chart.getPlot());
try {
UIDocument doc = (UIDocument) findITextParent(getParent(), UIDocument.class);
if (doc != null) {
PdfWriter writer = (PdfWriter) doc.getWriter();
PdfContentByte cb = writer.getDirectContent();
PdfTemplate tp = cb.createTemplate(getWidth(), getHeight());
UIFont font = (UIFont) findITextParent(this, UIFont.class);
DefaultFontMapper fontMapper;
if (font == null) {
fontMapper = new DefaultFontMapper();
} else {
fontMapper = new AsianFontMapper(font.getName(), font.getEncoding());
}
Graphics2D g2 = tp.createGraphics(getWidth(), getHeight(), fontMapper);
chart.draw(g2, new Rectangle2D.Double(0, 0, getWidth(), getHeight()));
g2.dispose();
image = new ImgTemplate(tp);
} else {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
ChartUtilities.writeChartAsJPEG(stream, chart, getWidth(), getHeight());
imageData = stream.toByteArray();
stream.close();
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* Creates a new demo.
*
* @param title the frame title.
*/
public RoundNumberGlobal(final String title, ArrayList<Double> pf) {
super(title);
final BoxAndWhiskerCategoryDataset dataset = createSampleDataset(pf);
final CategoryAxis xAxis = new CategoryAxis("");
// final NumberAxis yAxis = new NumberAxis("Round number");
final NumberAxis yAxis = new NumberAxis("");
yAxis.setAutoRangeIncludesZero(false);
final BoxAndWhiskerRenderer renderer = new BoxAndWhiskerRenderer();
renderer.setFillBox(false);
renderer.setToolTipGenerator(new BoxAndWhiskerToolTipGenerator());
final CategoryPlot plot = new CategoryPlot(dataset, xAxis, yAxis, renderer);
Font font = new Font("Dialog", Font.PLAIN, 16);
xAxis.setTickLabelFont(font);
yAxis.setTickLabelFont(font);
yAxis.setLabelFont(font);
final JFreeChart chart =
new JFreeChart(
"Round Number" + getTitle(pf), new Font("SansSerif", Font.BOLD, 18), plot, true);
final ChartPanel chartPanel = new ChartPanel(chart);
chartPanel.setPreferredSize(new java.awt.Dimension(650, 370));
setContentPane(chartPanel);
TextTitle legendText = null;
if (pf.size() == 1) {
legendText = new TextTitle("Population Size");
} else {
legendText = new TextTitle("Population Size - Probability of Failure");
}
legendText.setFont(font);
legendText.setPosition(RectangleEdge.BOTTOM);
chart.addSubtitle(legendText);
chart.getLegend().setItemFont(font);
FileOutputStream output;
try {
output = new FileOutputStream("roundGlobalNumber" + pf + ".jpg");
ChartUtilities.writeChartAsJPEG(output, 1.0f, chart, 400, 400, null);
} catch (FileNotFoundException ex) {
Logger.getLogger(RoundNumberGlobal.class.getName()).log(Level.SEVERE, null, ex);
} catch (IOException ex) {
Logger.getLogger(RoundNumberGlobal.class.getName()).log(Level.SEVERE, null, ex);
}
}
public void service(ServletRequest req, ServletResponse res)
throws ServletException, IOException {
List list = (List) ((HttpServletRequest) req).getSession().getAttribute("regionhistoryinfo");
String historydate =
(String) ((HttpServletRequest) req).getSession().getAttribute("mystatdate");
res.setContentType("image/jpeg");
String title = null;
if (list.size() == 0) {
logger.info("list is null");
} else {
title = historydate + "各地市短信发送情况显示图";
JFreeChart jfreechart = createChart(getDataSet(list), title);
int width = 700;
int height = 490;
Font font = new Font("黑体", Font.CENTER_BASELINE, 12);
ChartUtilities.writeChartAsJPEG(res.getOutputStream(), 1.0f, jfreechart, width, height, null);
}
}
@RequestMapping("/ajaxChartGantt.html")
public String ajaxGantt(
@RequestParam("sym") String param,
@RequestParam("name") String name,
ModelMap model,
HttpServletRequest request,
HttpSession session,
HttpServletResponse response)
throws Exception {
log.debug("ChartController ");
List<Document> list = (List<Document>) session.getAttribute("resultsSingle");
OutputStream stream = response.getOutputStream();
response.setContentType("image/jpeg");
ChartUtilities.writeChartAsJPEG(
stream, ChartUtils.createGanttChart("Gantt", "Fechas", "Tarea", list), 900, 600);
stream.close();
return null;
}
@RequestMapping("/ajaxChart.html")
public String ajaxFill(
@RequestParam("sym") String param,
@RequestParam("name") String name,
ModelMap model,
HttpServletRequest request,
HttpSession session,
HttpServletResponse response)
throws Exception {
log.debug("ChartController ");
List<Document> list = (List<Document>) session.getAttribute("results");
OutputStream stream = response.getOutputStream();
response.setContentType("image/jpeg");
ChartUtilities.writeChartAsJPEG(
stream,
ChartUtils.createChart(ChartUtils.sortListDocument(list, param), "BAR", name),
400,
300);
stream.close();
return null;
}
/* (non-Javadoc)
* @see com.lily.dap.service.report2.impl.chart.ChartStrategy#outputChart(java.lang.String, int, int, java.util.Map, java.util.List, java.io.OutputStream)
*/
public void outputChart(
String type,
int height,
int width,
Map<String, String> paramMap,
Map<String, Object> variableMap,
List<Map<String, Object>> dataList,
OutputStream os)
throws IOException {
String nameField = ChartUtils.evaluateParam(paramMap.get("namefield"), variableMap);
String valueField = ChartUtils.evaluateParam(paramMap.get("valuefield"), variableMap);
DefaultPieDataset dataset = createDataset(dataList, nameField, valueField);
String title = ChartUtils.evaluateParam(paramMap.get("title"), variableMap);
boolean legend =
paramMap.get("legend") == null
? true
: "true"
.equals(
ChartUtils.evaluateParam(paramMap.get("legend"), variableMap).toLowerCase());
JFreeChart chart;
if (ChartConstants.TYPE_PIE3D.equals(type))
chart =
ChartFactory.createPieChart3D(
title, // 图表标题
dataset, // 数据集
legend, // 是否显示图例
false, // 是否生成工具
false // 是否生成URL链接
);
else
chart =
ChartFactory.createPieChart(
title, // 图表标题
dataset, // 数据集
legend, // 是否显示图例
false, // 是否生成工具
false // 是否生成URL链接
);
// 设置标题字体
if (chart.getTitle() != null) chart.getTitle().setFont(titleFont);
// 设置图例字体
if (chart.getLegend() != null) chart.getLegend().setItemFont(legendFont);
PiePlot pie = (PiePlot) chart.getPlot();
// if (pie instanceof PiePlot3D) {
// PiePlot3D pie3d = (PiePlot3D)pie;
// }
// 设置前景透明度
if (paramMap.get("foregroundAlpha") != null) {
float f =
Float.parseFloat(ChartUtils.evaluateParam(paramMap.get("foregroundAlpha"), variableMap));
pie.setForegroundAlpha(f);
}
// 设置标签的最大宽度
if (paramMap.get("maximumlabelwidth") != null) {
float f =
Float.parseFloat(
ChartUtils.evaluateParam(paramMap.get("maximumlabelwidth"), variableMap));
pie.setMaximumLabelWidth(f);
}
// 设置标饼上标签的标签字体
pie.setLabelFont(labelFont);
String labelFormat = paramMap.get("labelformat");
if (labelFormat != null) {
/*
* 因为labelformat参数可能包含{0}、{1}、{2}这样的字符串，所以要通过检查'{'后面跟的字符是不是数字，来判断labelformat参数是不是表达式
*/
int index = labelFormat.indexOf('{');
if (index >= 0) {
char ch = labelFormat.charAt(index + 1);
if (!CharUtils.isAsciiNumeric(ch))
labelFormat = ChartUtils.evaluateParam(labelFormat, variableMap);
}
// 设置饼上标签的显示格式，其中，0：数据名称，1：数据值，2：数据占整个百分比
StandardPieSectionLabelGenerator generator =
new StandardPieSectionLabelGenerator(labelFormat);
pie.setLabelGenerator(generator);
}
String legendformat = paramMap.get("legendformat");
if (legendformat != null) {
/*
* 因为legendformat参数可能包含{0}、{1}、{2}这样的字符串，所以要通过检查'{'后面跟的字符是不是数字，来判断legendformat参数是不是表达式
*/
int index = legendformat.indexOf('{');
if (index >= 0) {
char ch = legendformat.charAt(index + 1);
if (!CharUtils.isAsciiNumeric(ch))
legendformat = ChartUtils.evaluateParam(legendformat, variableMap);
}
// 设置饼上标签的显示格式，其中，0：数据名称，1：数据值，2：数据占整个百分比
StandardPieSectionLabelGenerator generator =
new StandardPieSectionLabelGenerator(legendformat);
pie.setLegendLabelGenerator(generator);
}
if (paramMap.get("color") != null) {
int index = 0;
String[] colGroups = ChartUtils.evaluateParam(paramMap.get("color"), variableMap).split(",");
for (String colVal : colGroups) {
Color color = ChartUtils.createColor(colVal.trim());
pie.setSectionPaint(index++, color);
}
}
// 设置饼图是圆形还是椭圆形
if (paramMap.get("circular") != null) {
boolean isCircular =
"true"
.equals(
ChartUtils.evaluateParam(paramMap.get("circular"), variableMap).toLowerCase());
pie.setCircular(isCircular);
}
ChartUtilities.writeChartAsJPEG(os, 1, chart, width, height, null);
}
