/**
  * 业务数据类型生成
  *
  * @param wb excel工作页
  * @param btList 模型对象数组
  */
 public void BusTypeWriter(HSSFWorkbook wb, List<PDMBusinessDataType> btList) {
   HSSFSheet sheet = wb.getSheet(BT_SHEET);
   for (int i = 0; i < btList.size(); i++) {
     HSSFRow row = sheet.createRow(i + 2);
     PDMBusinessDataType bt = btList.get(i);
     // 1
     HSSFCell cell = row.createCell(1);
     cell.setCellValue(bt.getTypeName());
     cell.setCellStyle(getTextStyle(wb));
     // 2
     cell = row.createCell(2);
     cell.setCellValue(bt.getTypeChineseName());
     cell.setCellStyle(getTextStyle(wb));
     // 3
     cell = row.createCell(3);
     cell.setCellValue(bt.getStandardTypeName());
     cell.setCellStyle(getTextStyle(wb));
     // 4
     cell = row.createCell(4);
     cell.setCellValue(bt.getLength());
     cell.setCellStyle(getTextStyle(wb));
     // 5
     cell = row.createCell(5);
     cell.setCellValue(bt.getPrecision());
     cell.setCellStyle(getTextStyle(wb));
     // 6
     cell = row.createCell(6);
     cell.setCellValue(bt.getDefaultValue());
     cell.setCellStyle(getTextStyle(wb));
     // 7
     cell = row.createCell(7);
     cell.setCellValue(bt.getComment());
     cell.setCellStyle(getTextStyle(wb));
   }
 }