package download; import java.io.File; import java.io.FileOutputStream; import java.io.OutputStream; import java.util.ArrayList; import java.util.Date; import jxl.Cell; import jxl.CellType; import jxl.Sheet; import jxl.Workbook; import jxl.WorkbookSettings; import jxl.format.Alignment; import jxl.format.Border; import jxl.format.BorderLineStyle; import jxl.format.Colour; import jxl.format.VerticalAlignment; import jxl.write.Formula; import jxl.write.Label; import jxl.write.NumberFormat; import jxl.write.WritableCellFeatures; import jxl.write.WritableCellFormat; import jxl.write.WritableFont; import jxl.write.WritableSheet; import jxl.write.WritableWorkbook; import jxl.write.WriteException; public class OperateExcel { /** * @param args */ /** * 生成Excel文件 * * @param path * 文件路径 * @param sheetName * 工作表名称 * @param dataTitles * 数据标题 */ public void createExcelFile(String path, String sheetName, String[] dataTitles) { WritableWorkbook workbook; try { OutputStream os = new FileOutputStream(path); workbook = Workbook.createWorkbook(os); WritableSheet sheet = workbook.createSheet(sheetName, 0); // 添加第一个工作表 initialSheetSetting(sheet); Label label; for (int i = 0; i < dataTitles.length; i++) { // Label(列号,行号,内容,风格) label = new Label(i, 0, dataTitles.toString(), getTitleCellFormat()); sheet.addCell(label); } // 插入一行 insertRowData(sheet, 1, new String[] { "200201001", "张三", "100", "60", "100", "260" }, getDataCellFormat(CellType.STRING_FORMULA)); // 一个一个插入行 label = new Label(0, 2, "200201002", getDataCellFormat(CellType.STRING_FORMULA)); sheet.addCell(label); label = new Label(1, 2, "李四", getDataCellFormat(CellType.STRING_FORMULA)); sheet.addCell(label); insertOneCellData(sheet, 2, 2, 70.5, getDataCellFormat(CellType.NUMBER)); insertOneCellData(sheet, 3, 2, 90.523, getDataCellFormat(CellType.NUMBER)); insertOneCellData(sheet, 4, 2, 60.5, getDataCellFormat(CellType.NUMBER)); insertFormula(sheet, 5, 2, "C3+D3+E3", getDataCellFormat(CellType.NUMBER_FORMULA)); // 插入日期 mergeCellsAndInsertData(sheet, 0, 3, 5, 3, new Date(), getDataCellFormat(CellType.DATE)); workbook.write(); workbook.close(); } catch (Exception e) { e.printStackTrace(); } } /** * 初始化表格属性 * * @param sheet */ public void initialSheetSetting(WritableSheet sheet) { try { // sheet.getSettings().setProtected(true); //设置xls的保护,单元格为只读的 sheet.getSettings().setDefaultColumnWidth(10); // 设置列的默认宽度 // sheet.setRowView(2,false);//行高自动扩展 // setRowView(int row, int height);--行高 // setColumnView(int col,int width); --列宽 sheet.setColumnView(0, 20);// 设置第一列宽度 } catch (Exception e) { e.printStackTrace(); } } /** * 插入公式 * * @param sheet * @param col * @param row * @param formula * @param format */ public void insertFormula(WritableSheet sheet, Integer col, Integer row, String formula, WritableCellFormat format) { try { Formula f = new Formula(col, row, formula, format); sheet.addCell(f); } catch (Exception e) { e.printStackTrace(); } } /** * 插入一行数据 * * @param sheet * 工作表 * @param row * 行号 * @param content * 内容 * @param format * 风格 */ public void insertRowData(WritableSheet sheet, Integer row, String[] dataArr, WritableCellFormat format) { try { Label label; for (int i = 0; i < dataArr.length; i++) { label = new Label(i, row, dataArr.toString(), format); sheet.addCell(label); } } catch (Exception e) { e.printStackTrace(); } } /** * 插入单元格数据 * * @param sheet * @param col * @param row * @param data */ public void insertOneCellData(WritableSheet sheet, Integer col, Integer row, Object data, WritableCellFormat format) { try { if (data instanceof Double) { jxl.write.Number labelNF = new jxl.write.Number(col, row, (Double) data, format); sheet.addCell(labelNF); } else if (data instanceof Boolean) { jxl.write.Boolean labelB = new jxl.write.Boolean(col, row, (Boolean) data, format); sheet.addCell(labelB); } else if (data instanceof Date) { jxl.write.DateTime labelDT = new jxl.write.DateTime(col, row, (Date) data, format); sheet.addCell(labelDT); setCellComments(labelDT, "这是个创建表的日期说明!"); } else { Label label = new Label(col, row, data.toString(), format); sheet.addCell(label); } } catch (Exception e) { e.printStackTrace(); } } /** * 合并单元格,并插入数据 * * @param sheet * @param col_start * @param row_start * @param col_end * @param row_end * @param data * @param format */ public void mergeCellsAndInsertData(WritableSheet sheet, Integer col_start, Integer row_start, Integer col_end, Integer row_end, Object data, WritableCellFormat format) { try { sheet.mergeCells(col_start, row_start, col_end, row_end);// 左上角到右下角 insertOneCellData(sheet, col_start, row_start, data, format); } catch (Exception e) { e.printStackTrace(); } } /** * 给单元格加注释 * * @param label * @param comments */ public void setCellComments(Object label, String comments) { WritableCellFeatures cellFeatures = new WritableCellFeatures(); cellFeatures.setComment(comments); if (label instanceof jxl.write.Number) { jxl.write.Number num = (jxl.write.Number) label; num.setCellFeatures(cellFeatures); } else if (label instanceof jxl.write.Boolean) { jxl.write.Boolean bool = (jxl.write.Boolean) label; bool.setCellFeatures(cellFeatures); } else if (label instanceof jxl.write.DateTime) { jxl.write.DateTime dt = (jxl.write.DateTime) label; dt.setCellFeatures(cellFeatures); } else { Label _label = (Label) label; _label.setCellFeatures(cellFeatures); } } /** * 读取excel * * @param inputFile * @param inputFileSheetIndex * @throws Exception */ public ArrayList<String> readDataFromExcel(File inputFile, int inputFileSheetIndex) { ArrayList<String> list = new ArrayList<String>(); Workbook book = null; Cell cell = null; WorkbookSettings setting = new WorkbookSettings(); java.util.Locale locale = new java.util.Locale("zh", "CN"); setting.setLocale(locale); setting.setEncoding("ISO-8859-1"); try { book = Workbook.getWorkbook(inputFile, setting); } catch (Exception e) { e.printStackTrace(); } Sheet sheet = book.getSheet(inputFileSheetIndex); for (int rowIndex = 0; rowIndex < sheet.getRows(); rowIndex++) {// 行 for (int colIndex = 0; colIndex < sheet.getColumns(); colIndex++) {// 列 cell = sheet.getCell(colIndex, rowIndex); // System.out.println(cell.getContents()); list.add(cell.getContents()); } } book.close(); return list; } /** * 得到数据表头格式 * * @return */ public WritableCellFormat getTitleCellFormat() { WritableCellFormat wcf = null; try { // 字体样式 WritableFont wf = new WritableFont(WritableFont.TIMES, 12, WritableFont.NO_BOLD, false);// 最后一个为是否italic wf.setColour(Colour.RED); wcf = new WritableCellFormat(wf); // 对齐方式 wcf.setAlignment(Alignment.CENTRE); wcf.setVerticalAlignment(VerticalAlignment.CENTRE); // 边框 wcf.setBorder(Border.ALL, BorderLineStyle.THIN); // 背景色 wcf.setBackground(Colour.GREY_25_PERCENT); } catch (WriteException e) { e.printStackTrace(); } return wcf; } /** * 得到数据格式 * * @return */ public WritableCellFormat getDataCellFormat(CellType type) { WritableCellFormat wcf = null; try { // 字体样式 if (type == CellType.NUMBER || type == CellType.NUMBER_FORMULA) {// 数字 NumberFormat nf = new NumberFormat("#.00"); wcf = new WritableCellFormat(nf); } else if (type == CellType.DATE || type == CellType.DATE_FORMULA) {// 日期 jxl.write.DateFormat df = new jxl.write.DateFormat( "yyyy-MM-dd hh:mm:ss"); wcf = new jxl.write.WritableCellFormat(df); } else { WritableFont wf = new WritableFont(WritableFont.TIMES, 10, WritableFont.NO_BOLD, false);// 最后一个为是否italic wcf = new WritableCellFormat(wf); } // 对齐方式 wcf.setAlignment(Alignment.CENTRE); wcf.setVerticalAlignment(VerticalAlignment.CENTRE); // 边框 wcf.setBorder(Border.LEFT, BorderLineStyle.THIN); wcf.setBorder(Border.BOTTOM, BorderLineStyle.THIN); wcf.setBorder(Border.RIGHT, BorderLineStyle.THIN); // 背景色 wcf.setBackground(Colour.WHITE); wcf.setWrap(true);// 自动换行 } catch (WriteException e) { e.printStackTrace(); } return wcf; } /** * 打开文件看看 * * @param exePath * @param filePath */ public void openExcel(String exePath, String filePath) { Runtime r = Runtime.getRuntime(); String cmd[] = { exePath, filePath }; try { r.exec(cmd); } catch (Exception e) { e.printStackTrace(); } } public static void main(String[] args) { String[] titles = { "学号", "姓名", "语文", "数学", "英语", "总分" }; OperateExcel jxl = new OperateExcel(); String filePath = "D:/test.xls"; jxl.createExcelFile(filePath, "成绩单", titles); //jxl.readDataFromExcel(new File(filePath), 0); //jxl.openExcel("C:/Program Files/Microsoft Office/OFFICE11/EXCEL.EXE",filePath); } }