public static CellStyle cloneCellStyle(Workbook workbook, CellStyle cellStyle) {
		final CellStyle newCellStyle = workbook.createCellStyle();
		newCellStyle.cloneStyleFrom(cellStyle);
		return newCellStyle;
	}
public static CellStyle cloneCellStyle ( Workbook workbook , CellStyle cellStyle ) { final CellStyle newCellStyle = workbook . createCellStyle ( ) ; newCellStyle . cloneStyleFrom ( cellStyle ) ; return newCellStyle ; }
克隆新的{@link CellStyle}

@param workbook 工作簿
@param cellStyle 被复制的样式
@return {@link CellStyle}