code: private static void initStyles(SheetTemplate template, Cell cell, String moduleContext) {
          if (null == moduleContext || "".equals(moduleContext))
              return;
          if (!moduleContext.startsWith("&"))
              moduleContext = moduleContext.toLowerCase();
          if (HandlerConstant.DEFAULT_STYLE.equals(moduleContext)) {
              template.defaultStyle = cell.getCellStyle();
              clearCell(cell);
          }
          if (moduleContext.startsWith("&") && moduleContext.length() > 1) {
              template.classifyStyle.put(moduleContext.substring(1), cell.getCellStyle());
              clearCell(cell);
          }
          if (HandlerConstant.APPOINT_LINE_STYLE.equals(moduleContext)) {
              template.appointLineStyle.put(cell.getRowIndex(), cell.getCellStyle());
              clearCell(cell);
          }
          if (HandlerConstant.SINGLE_LINE_STYLE.equals(moduleContext)) {
              template.singleLineStyle = cell.getCellStyle();
              clearCell(cell);
          }
          if (HandlerConstant.DOUBLE_LINE_STYLE.equals(moduleContext)) {
              template.doubleLineStyle = cell.getCellStyle();
              clearCell(cell);
          }
      }
docs: 初始化样式信息