cloneSheet public HSSFSheet cloneSheet(int sheetNum)
create an HSSFSheet from an existing sheet in the HSSFWorkbook. Returns: HSSFSheet representing the cloned sheet.指定要复制的Sheet序列号。
示例程序
再一次动手来做做吧。复制前Workbook如下。import java.io.*; import org.apache.poi.hssf.usermodel.HSSFWorkbook; import org.apache.poi.poifs.filesystem.POIFSFileSystem; public class POISample{ public static void main(String[] args){ FileInputStream in = null; HSSFWorkbook workbook = null; try{ in = new FileInputStream("sample.xls"); POIFSFileSystem fs = new POIFSFileSystem(in); workbook = new HSSFWorkbook(fs); }catch(IOException e){ System.out.println(e.toString()); }finally{ try{ in.close(); }catch (IOException e){ System.out.println(e.toString()); } } workbook.cloneSheet(0); workbook.cloneSheet(1); FileOutputStream out = null; try{ out = new FileOutputStream("sample.xls"); workbook.write(out); }catch(IOException e){ System.out.println(e.toString()); }finally{ try { out.close(); }catch(IOException e){ System.out.println(e.toString()); } } } }执行后打开「sample1.xls」文件看看。
可以看出,两个Sheet被成功复制。被复制的Sheet名格式是「原Sheet名(序列号)」。顺便一提的是,如果你手动在Excel里进行复制的话,被复制的Sheet名的格式是「原Sheet名 (序列号)」。也就是原Sheet名和(序列号)之间有一个半角空格。
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