Excel表格解析

    //add by yangwenpei WGCW-144 使用Excel表格导入纸票记录 20161212 start
        /**
         * @param fileInputStream
         * @param column 表示要获取的列数
         * @return
         * @throws ParseDataException
         */
        public Map parseDra(FileInputStream fileInputStream,int column) throws ParseDataException{
            Map map = new HashMap();
            List lTraders = new ArrayList();
            POIFSFileSystem fs = null;
            HSSFWorkbook wb = null;
            try {
                fs = new POIFSFileSystem(fileInputStream);
                wb = new HSSFWorkbook(fs);
            }catch (IOException ioe) {
                ioe.printStackTrace();
                throw new ParseDataException(ioe.getMessage());
            }catch(Exception e){
                throw new ParseDataException("文件导入错误，请查看导入EXCEL版本（支持2003以下版本），文件内容是否与模板匹配");
            }

            HSSFSheet sheet = wb.getSheetAt(0);
            int rows  = sheet.getPhysicalNumberOfRows();//获取表格总行数
            int index = 1;
            boolean boo = false;//结束for循环结束标记
            StringBuffer messgae = new StringBuffer();//记录校验信息
            List lists = new ArrayList();
            try{
            for (int j = 1; j < rows; j++) {
                if (sheet.getRow(j) == null) {
                    throw new ParseDataException("导入文件格式不对，请按照模板的格式进行导入。");
                }
                // 如果编号为空
                if (null == sheet.getRow(j).getCell((short) 0)
                        || "".equals((sheet.getRow(j).getCell((short) 0).getStringCellValue().trim()))) {
                    messgae.append("第" + j + "行编号为空!<br>");
                    HSSFRow row = sheet.getRow(j);
                    int count = 0;
                    for (int i = 0; i < row.getPhysicalNumberOfCells(); i++) {// 遍历表格的一行数据

                        if (row.getCell((short) i) == null
                                || "".equals(row.getCell((short) i).getStringCellValue().trim())) {
                            count++;
                        }
                        if (row.getPhysicalNumberOfCells() == 0) {// 如果一行的数据全为null,结束当前循环
                            boo = true;
                            break;
                        }
                        if (count == row.getPhysicalNumberOfCells() && count > (column - 1) && (count == i + 1)
                                || count == row.getPhysicalNumberOfCells()) {// 如果连续至少column行为空时结束外循环或者为空的数量的当前行的列数
                            boo = true;
                            break;
                        }

                    }
                }
                if (boo) {// 判断是否结束循环
                    if (rows == 500) {
                        String errMsg = "批量导入上限不能超过500行!<br>";
                        messgae.append(errMsg);
                        throw new ParseDataException(errMsg);
                    }
                    break;
                }
                List list = getRowContent(sheet.getRow(j), column);// 解析一行的数据
                lists.add(list);
                index++;
            }
                map.put("message", messgae.toString());
            }catch(ParseDataException e){
                String errMsg = "EXCEL第" + index + "行，";
                throw new ParseDataException(errMsg + e.getMessage());
            }
            map.put("lists", lists);
            return map;
        }
        //add by yangwenpei WGCW-144 使用Excel表格导入纸票记录 20161212 end

        abstract protected Bill getData(SheetContent sheet , HSSFRow row);
        //add by yangwenpei WGCW-144 使用Excel表格导入纸票记录 20161212 start
        abstract protected List getRowContent(HSSFRow row,int column) throws ParseDataException;
        //add by yangwenpei WGCW-144 使用Excel表格导入纸票记录 20161212 end