創建excel文件

public static String createExcel(ArrayList<String> list, ArrayList<ArrayList<String>> DataList, String dateStr) {// 創建一個excel文件HSSFWorkbook workbook = new HSSFWorkbook();// 創建一個excel的sheet（表）HSSFSheet sheet = workbook.createSheet();// 創建第一行HSSFRow row0 = sheet.createRow(0);// 設置首行行高Row row = sheet.getRow(0);row.setHeightInPoints(30);// 創建第一列HSSFCell cellTitle = row0.createCell(0);// 合并單元格CellRangeAddress cellRangeAddress = new CellRangeAddress(0, 0, 0, 4 + (list.size() - 5) * 2);// 起始行號，終止行號，// 起始列號，終止列號
        sheet.addMergedRegion(cellRangeAddress);int j = 5;for (int i = 0; i < list.size() - 5; i++) {CellRangeAddress cellRangeAddress1 = new CellRangeAddress(1, 1, j + i, j + 1 + i);sheet.addMergedRegion(cellRangeAddress1);j++;}for (int i = 0; i < 5; i++) {CellRangeAddress cellRangeAddress3 = new CellRangeAddress(1, 2, i, i);sheet.addMergedRegion(cellRangeAddress3);}// 給第一個單元格賦值(標題行)cellTitle.setCellValue(dateStr + "考勤簽到記錄表");cellTitle.setCellStyle(getRow0Style(workbook));// 創建第二行(列名行)int t = 1;HSSFRow row1 = sheet.createRow(1);row1.setHeightInPoints(20);for (int i = 0; i < list.size(); i++) {HSSFCell cell1 = null;// 循環創建第二行各列if (i > 5) {cell1 = row1.createCell(i + t);t++;} else {cell1 = row1.createCell(i);}// 設置單元格數據類型
            cell1.setCellType(HSSFCell.CELL_TYPE_STRING);HSSFRichTextString text = null;if (i < list.size()) {text = new HSSFRichTextString(list.get(i));// 給每列賦值// System.out.println(text+"____"+i+"_________"+list.size());
                cell1.setCellValue(text);}}// 給單元格添加樣式for (int i = 0; i <= 4 + (list.size() - 5) * 2; i++) {HSSFCell cell = row1.getCell(i);if (cell == null) {cell = row1.createCell(i);cell.setCellValue("");}cell.setCellStyle(getStyle(workbook));}// 創建第三行（早上下午）HSSFRow row3 = sheet.createRow(2);row3.setHeightInPoints(15);for (int i = 5; i <= 4 + (list.size() - 5) * 2; i++) {HSSFCell cell = row3.createCell(i);// 設置單元格數據類型
            cell.setCellType(HSSFCell.CELL_TYPE_STRING);if (i % 2 == 1) {cell.setCellValue("早");} else {cell.setCellValue("晚");}}// 給單元格添加樣式for (int i = 0; i <= 4 + (list.size() - 5) * 2; i++) {HSSFCell cell = row3.getCell(i);if (cell == null) {cell = row3.createCell(i);cell.setCellValue("");}cell.setCellStyle(getStyle3(workbook));}// 創建數據行for (int k = 0; k < DataList.size(); k++) {HSSFRow row2 = sheet.createRow(3 + k);ArrayList<String> datArr = DataList.get(k);row2.setHeightInPoints(20);for (int i = 0; i < datArr.size(); i++) {// 循環創建第三行各列HSSFCell cell2 = row2.createCell(i);// 設置單元格樣式
                cell2.setCellStyle(getStyle(workbook));// 給每一列賦值String str = datArr.get(i);cell2.setCellValue(str);}}sheet.autoSizeColumn((short) 0); // 調整第一列寬度sheet.autoSizeColumn((short) 1); // 調整第二列寬度sheet.autoSizeColumn((short) 2); // 調整第三列寬度try { // 創建輸出流File file = new File("C:\\Work\\WeX5_3.8_BSBZB\\model\\UI2\\excel\\" + dateStr + ".xls");// official服務器path// File file = new// File("F:\\Wex5Project\\WeX5_3.8_1_beiSong\\model\\UI2\\excel\\" + dateStr +// ".xls");//my pathFileOutputStream fileout = new FileOutputStream(file);// 將excel寫入輸出流
            workbook.write(fileout);fileout.flush();fileout.close();System.out.println("創建完成!");} catch (Exception e) {e.printStackTrace();}// String fiel = "http://192.168.1.156:8181/x5/UI2/excel/" + dateStr +// ".xls";//my path/*official服務器path北送*/String fiel = "http://111.198.48.184:8888/x5/UI2/excel/" + dateStr + ".xls";return fiel;}

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轉載于:https://www.cnblogs.com/404code/p/9965221.html

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