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上传时间: 2013-07-20
详细说明： 1.创建工作簿 (WORKBOOK) HSSFWorkbook wb = new HSSFWorkbook(); FileOutputStream fileOut = new FileOutputStream("workbook.xls"); wb.write(fileOut); fileOut.close();2.创建工作表（SHEET） HSSFWorkbook wb = new HSSFWorkbook(); HSSFSheet sheet1 = wb.createSheet("new sheet"); HSSFSheet sheet2 = wb.createSheet("second sheet"); FileOutputStream fileOut = new FileOutputStream("workbook.xls"); wb.write(fileOut); fileOut.close();3.创建单元格(CELL) HSSFWorkbook wb = new HSSFWorkbook(); HSSFSheet sheet = wb.createSheet("new sheet"); // Create a row and put some cells in it. Rows are 0 based. HSSFRow row = sheet.createRow((short)0); // Create a cell and put a value in it. HSSFCell cell = row.createCell((short)0); cell.setCellValue(1); // Or do it on one line. row.createCell((short)1).setCellValue(1.2); row.createCell((short)2).setCellValue("This is a string"); row.createCell((short)3).setCellValue(true); // Write the output to a file FileOutputStream fileOut = new FileOutputStream("workbook.xls"); wb.write(fileOut); fileOut.close();4.创建指定单元格式的单元格 HSSFWorkbook wb = new HSSFWorkbook(); HSSFSheet sheet = wb.createSheet("new sheet"); // Create a row and put some cells in it. Rows are 0 based. HSSFRow row = sheet.createRow((short)0); // Create a cell and put a date value in it. The first cell is not styled // as a date. HSSFCell cell = row.createCell((short)0); cell.setCellValue(new Date()); // we style the second cell as a date (and time). It is important to // create a new cell style from the workbook otherwise you can end up // modifying the built in style and effecting not only this cell but other cells. HSSFCellStyle cellStyle = wb.createCellStyle(); cellStyle.setDataFormat(HSSFDataFormat.getBuiltinFormat("m/d/yy h:mm")); cell = row.createCell((short)1); cell.setCellValue(new Date()); cell.setCellStyle(cellStyle); // Write the output to a file FileOutputStream fileOut = new FileOutputStream("workbook.xls"); wb.write(fileOut); fileOut.close();5. 单元格的不同格式 HSSFWorkbook wb = new HSSFWorkbook(); HSSFSheet sheet = wb.createSheet("new sheet"); HSSFRow row = sheet.createRow((short)2); row.createCell((short) 0).setCellValue(1.1); row.createCell((short) 1).setCellValue(new Date()); row.createCell((short) 2).setCellValue("a string"); row.createCell((short) 3).setCellValue(true); row.createCell((short) 4).setCellType(HSSFCell.CELL_TYPE_ERROR); // Write the output to a file FileOutputStream fileOut = new FileOutputStream("workbook.xls"); wb.write(fileOut); fileOut.close();6.单元格的不通对齐方式 public static void main(String[] args) throws IOException { HSSFWorkbook wb = new HSSFWorkbook(); HSSFSheet sheet = wb.createSheet("new sheet"); HSSFRow row = sheet.createRow((short) 2); createCell(wb, row, (short) 0, HSSFCellStyle.ALIGN_CENTER); createCell(wb, row, (short) 1, HSSFCellStyle.ALIGN_CENTER_SELECTION); createCell(wb, row, (short) 2, HSSFCellStyle.ALIGN_FILL); createCell(wb, row, (short) 3, HSSFCellStyle.ALIGN_GENERAL); createCell(wb, row, (short) 4, HSSFCellStyle.ALIGN_JUSTIFY); createCell(wb, row, (short) 5, HSSFCellStyle.ALIGN_LEFT); createCell(wb, row, (short) 6, HSSFCellStyle.ALIGN_RIGHT); // Write the output to a file FileOutputStream fileOut = new FileOutputStream("workbook.xls"); wb.write(fileOut); fileOut.close(); } /** ...展开收缩
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