• 我是將標籤的css與屬性當做引數傳入，大家可以按需修改，下面是解析Excel表格的方法，主要是解析單元格的跨行與跨列,然後拼成一個字串輸出

public static void readXls(File file, StringBuffer html, EditExcel editExcel) { try { HashMap<String, String> mergedRegion = new HashMap<>(); POIFSFileSystem poifsFileSystem = new POIFSFileSystem( new FileInputStream(file)); HSSFWorkbook hssfWorkbook = new HSSFWorkbook(poifsFileSystem); HSSFSheet hssfSheet = hssfWorkbook.getSheetAt(0); int rowLength = hssfSheet.getLastRowNum() + 1; HSSFRow hssfRow; HSSFCell hssfCell; int[] countcolpanNum = new int[50]; int colspanlength = 0; int firstColumn, lastColumn, firstRow, lastRow; CellRangeAddress ca; for (int i = 0; i < hssfSheet.getNumMergedRegions(); i++) { ca = hssfSheet.getMergedRegion(i); firstColumn = ca.getFirstColumn(); lastColumn = ca.getLastColumn(); firstRow = ca.getFirstRow(); lastRow = ca.getLastRow(); mergedRegion.put(firstRow + “&” + firstColumn, (lastColumn - firstColumn + 1) + “&” + (lastRow - firstRow + 1)); }

            for (int i = 0; i < rowLength; i++) {
                if (hssfSheet.getRow(i) != null) {
                    colspanlength = hssfSheet.getRow(i).getLastCellNum();
                    break;
                }
            }

            for (int i = 0; i < rowLength; i++) {
                hssfRow = hssfSheet.getRow(i);
                if (hssfRow != null) {
                    HtmlTr.writeStart(html, CssString.TR_CLASS, CssString.TR_STYLE, CssString.NULL_VALUE, editExcel);
                    for (int j = 0; j < hssfRow.getLastCellNum(); j++) {
                        hssfCell = hssfRow.getCell(j);
                        if (hssfCell != null) {
                            hssfCell.setCellType(CellType.STRING);
                            if (!"".equals(hssfCell.getStringCellValue())) {
                                int colspan = 1;
                                int rowspan = 1;
                                if (mergedRegion.containsKey(i + "&" + j)) {
                                    String temp = mergedRegion.get(i + "&" + j);
                                    int tempInt = mergedRegion.get(i + "&" + j).indexOf("&");
                                    colspan = Integer.valueOf(temp.substring(0, tempInt));
                                    rowspan = Integer.valueOf(temp.substring(tempInt + 1));
                                }

                                if (rowspan > 1) {
                                    int temp = rowspan;
                                    for (int x = i + 1; x < i + temp; x++) {
                                        hssfRow = hssfSheet.getRow(x);
                                        if (hssfRow != null) {
                                            for (int y = 0; y < hssfRow.getLastCellNum(); y++) {
                                                hssfCell = hssfRow.getCell(y);
                                                if (hssfCell != null) {
                                                    hssfCell.setCellType(CellType.STRING);
                                                    if (!"".equals(hssfCell.getStringCellValue())) {
                                                        break;
                                                    } else if (y == hssfRow.getLastCellNum() - 1) {
                                                        rowspan--;
                                                    }
                                                }
                                            }
                                        }
                                    }
                                    hssfRow = hssfSheet.getRow(i);
                                    hssfCell = hssfRow.getCell(j);
                                }
                                countcolpanNum[j] = colspan;
                            }
                        }
                    }
                }
            }
            poifsFileSystem.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
 

第一次寫文章有點小緊張，而且懶得寫註釋了0.0.