【Stimulsoft Reports Java教程】執行時建立報表
阿新 • • 發佈:2018-11-27
此示例專案顯示了在執行時建立報表並在檢視器中顯示報表的可能性。您只需要顯示報表的本機Java檢視器,以及使用元件建立報表的幾行程式碼。
首先,我們需要建立Java檢視器。建立JFrame,設定必要的選項並新增檢視器控制元件。
public class CreateReport extends JPanel { private static final long serialVersionUID = 330448692680237867L; private static final Dimension FRAME_SIZE = new Dimension(800, 800); public static void main(final String[] args) { SwingUtilities.invokeLater(new Runnable() { public void run() { try { JFrame frame = new JFrame(); frame.add(new CreateReport(frame)); frame.setSize(FRAME_SIZE); frame.setLocationRelativeTo(null); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setVisible(true); } catch (Throwable e) { StiExceptionProvider.show(e, null); } } }); } public CreateReport(final JFrame parentFrame) throws FileNotFoundException { setLayout(new BoxLayout(this, BoxLayout.Y_AXIS)); setPreferredSize(FRAME_SIZE); StiViewerFx viewerPanel = new StiViewerFx(parentFrame); add(viewerPanel); ...
接下來,建立新的報表物件,然後使用Demo XML和XSD檔案的路徑建立XML資料集物件,並將其新增到報表中。
... StiReport report = new StiReport(); StiPage page = new StiPage(report); report.getPages().add(page); page.setName(StiNameCreation.createName(report, StiNameCreation.generateName(page))); String xsdPath = "/samples/Demo.xsd"; StiXmlDatabase xmlDatabase = new StiXmlDatabase("Demo", StiResourceUtil.getStream(xsdPath), StiResourceUtil.getStream("/samples/Demo.xml")); report.setDictionary(new StiDictionary(report)); report.getDictionary().getDatabases().add(xmlDatabase); ...
接下來,從Demo資料庫中提取資訊,並使用Categories名稱建立TableSource 。
... StiXmlTableFieldsRequest tables = StiDataColumnsUtil.parceXSDSchema(StiResourceUtil.getStream(xsdPath)); StiDataTableSource tableSource = null; for (StiXmlTable table : tables.getTables()) { if (table.getName().equals("Categories")) { tableSource = new StiDataTableSource("Demo." + table.getName(), table.getName(), table.getName()); tableSource.setColumns(new StiDataColumnsCollection()); for (StiSqlField field : table.getColumns()) { StiDataColumn column = new StiDataColumn(field.getName(), field.getName(), field.getSystemType()); tableSource.getColumns().add(column); } tableSource.setDictionary(report.getDictionary()); report.getDictionary().getDataSources().add(tableSource); } } ...
現在我們需要建立報表元件。首先,使用Text元件將Header band新增到報告頁面。這些元件將顯示報表標題。
... // Create TitleBand StiHeaderBand titleBand = new StiHeaderBand(); titleBand.setHeight(0.85); titleBand.setName("TitleBand"); page.getComponents().add(titleBand); // Create Title text on header StiText headerText = new StiText(new StiRectangle(0, 0, page.getWidth(), 0.85)); headerText.setTextInternal("Tacticdescription"); headerText.setHorAlignment(StiTextHorAlignment.Left); headerText.setName("TitleHeader"); headerText.setFont(new StiFont("Arial", 12F, StiFontStyle.Bold)); titleBand.getComponents().add(headerText); // Create HeaderBand StiHeaderBand headerBand = new StiHeaderBand(); headerBand.setHeight(0.5); headerBand.setName("HeaderBand"); page.getComponents().add(headerBand); ...
接下來,使用“Text”欄位和“Image”欄位新增“Data”區域。這些元件將顯示報表資料。
... double pos = 0; double columnWidth = page.getWidth() / tableSource.getColumns().size(); Integer nameIndex = 1; for (StiDataColumn dataColumn : tableSource.getColumns()) { // Create text on header StiText hText = new StiText(new StiRectangle(pos, 0, columnWidth, 0.5)); hText.setTextInternal(dataColumn.getName()); hText.setHorAlignment(StiTextHorAlignment.Center); hText.setName("HeaderText" + nameIndex.toString()); hText.setBrush(new StiSolidBrush(StiColorEnum.Orange.color())); hText.getBorder().setSide(StiBorderSides.All); headerBand.getComponents().add(hText); if (dataColumn.getName().equals("Picture")) { StiImage dataImage = new StiImage(new StiRectangle(pos, 0, columnWidth, 0.5)); dataImage.setDataColumn("Categories." + dataColumn.getName()); dataImage.setName("DataImage" + nameIndex.toString()); dataImage.getBorder().setSide(StiBorderSides.All); dataBand.getComponents().add(dataImage); } else { StiText dataText = new StiText(new StiRectangle(pos, 0, columnWidth, 0.5)); dataText.setText("{Categories." + dataColumn.getName() + "}"); dataText.setName("DataText" + nameIndex.toString()); dataText.getBorder().setSide(StiBorderSides.All); dataBand.getComponents().add(dataText); } pos = pos + columnWidth; nameIndex++; } ...
最後,渲染報表並在檢視器中顯示它。
... report.Render(); viewerPanel.getStiViewModel().getEventDispatcher().dispatchStiEvent( new StiViewCommonEvent(StiViewCommonEvent.DOCUMENT_FILE_LOADED, new StiDocument(report), null)); }
在下面的螢幕截圖中,您可以看到示例程式碼的結果。