在Excel中查找合并单元格,拆分单元格并将其写入新电子表格中？

Question

我得到了一个分配,我需要拆分电子表格的数据并将其写入新的电子表格.条件是,给定电子表格可能有多个合并单元格数,我需要找到那些合并单元格并在新的SpreadSheet中写入这些数据.即,必须在另一个电子表格中写入一个合并单元格之间的数据或单元格,直到另一个合并单元格.

我的努力准则如下,

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;


public class CopyTest {

public static void main(String[] args) throws IOException {
    CopyTest excel = new CopyTest();
    excel.process("D:\\B3.xls");
 }

public void process(String fileName) throws IOException {
    BufferedInputStream bis = new BufferedInputStream(new FileInputStream(fileName));
    HSSFWorkbook workbook = new HSSFWorkbook(bis);
    HSSFWorkbook myWorkBook = new HSSFWorkbook();
    HSSFSheet sheet = null;
    HSSFRow row = null;
    HSSFCell cell = null;
    HSSFSheet mySheet = null;
    HSSFRow myRow = null;
    HSSFCell myCell = null;
    int sheets = workbook.getNumberOfSheets();
    int fCell = 0;
    int lCell = 0;
    int fRow = 0;
    int lRow = 0;

    for (int iSheet = 0; iSheet < sheets; iSheet++) {
        sheet = workbook.getSheetAt(iSheet);
        if (sheet != null) {
            mySheet = myWorkBook.createSheet(sheet.getSheetName());

            fRow = sheet.getFirstRowNum();
            System.out.println("First Row at"+fRow);
            lRow = sheet.getLastRowNum();
            for (int iRow = fRow; iRow <= lRow; iRow++) {
                row = sheet.getRow(iRow);
                myRow = mySheet.createRow(iRow);



                if (row != null) {
                    fCell = row.getFirstCellNum();
                    lCell = row.getLastCellNum();
                    for (int iCell = fCell; iCell < lCell; iCell++) {
                        //if (mySheet.getMergedRegionAt(index)!=null)
                       System.out.println("Finding next merged Cells");
                       cell = row.getCell(iCell);
                        myCell = myRow.createCell(iCell);
                        if (cell != null) {
                            myCell.setCellType(cell.getCellType());

                            switch (cell.getCellType()) {
                            case HSSFCell.CELL_TYPE_BLANK:
                                myCell.setCellValue("");
                                break;

                            case HSSFCell.CELL_TYPE_BOOLEAN:
                                myCell.setCellValue(cell.getBooleanCellValue());
                                break;

                            case HSSFCell.CELL_TYPE_ERROR:
                                myCell.setCellErrorValue(cell.getErrorCellValue());
                                break;

                            case HSSFCell.CELL_TYPE_FORMULA:
                                myCell.setCellFormula(cell.getCellFormula());
                                break;

                            case HSSFCell.CELL_TYPE_NUMERIC:
                                myCell.setCellValue(cell.getNumericCellValue());
                                break;

                            case HSSFCell.CELL_TYPE_STRING:
                                myCell.setCellValue(cell.getStringCellValue());
                                break;
                            default:
                                myCell.setCellFormula(cell.getCellFormula());
                               // System.out.println("Reading Cell value\t"+myCell);
                            }System.out.println("Reading Cell value\t"+myCell);
                        }
                    }
                }
            }
        }

    }  

    bis.close();
    BufferedOutputStream bos = new BufferedOutputStream(
            new FileOutputStream("D:\\Result Excel1.xls", true));
    myWorkBook.write(bos);
    bos.close();

 }}

使用此代码,我已实现将电子表格克隆到另一个新工作表中.在这里,我没有找到合并的Cell,getMergedCellRegionAt()帮助我并像A:4 D:12一样返回合并的单元格区域.我该如何处理.请帮助我,您的小小的努力表示赞赏.提前致谢.

Answer 1

按照Javadoc文档HSSFSheet,getMergedCellRegionAt()在2008年被废弃,因为Region它的回报也不赞成,赞成的CellRangeAddress.它建议你应该使用getMergedRegion(int),它返回一个CellRangeAddress.

合并的区域数据不直接与单元格本身一起存储,而是与Sheet对象一起存储.因此,您不需要遍历行和单元格来查找它们是否是合并区域的一部分; 您只需要遍历工作表上的合并区域列表,然后将合并的区域添加到新工作表中addMergedRegion(CellRangeAddress).

for (int i = 0; i < sheet.getNumMergedRegions(); i++)
{
    CellRangeAddress mergedRegion = sheet.getMergedRegion(i);
    // Just add it to the sheet on the new workbook.
    mySheet.addMergedRegion(mergedRegion);
}

这些方法HSSFSheet是在Sheet界面,所以他们将与Apache的POI支持,.xls的(HSSF)或.xlsx(XSSF)任何Excel工作簿工作.