java poi读取excel公式，返回计算值（转）

Posted 2022-05-28 linxixinxiang

  import org.apache.poi.hssf.usermodel.HSSFWorkbook;
  import org.apache.poi.hssf.usermodel.HSSFSheet;
  import org.apache.poi.hssf.usermodel.HSSFRow;
  import org.apache.poi.hssf.usermodel.HSSFCell;
 
 import java.io.*;
 
 public class FormulaToString 
 
     /**
      * @param args
      */
     public void fileInput() throws IOException 
 
         HSSFWorkbook hw = new HSSFWorkbook(new FileInputStream(
                 "d:/My Documents/Desktop/poi.xls"));
         HSSFSheet hsheet = hw.getSheet("poi test");
         HSSFRow hrow = hsheet.getRow(0);
         HSSFCell hcell = hrow.getCell(0);
         String cellValue = this.getCellValue(hcell);
         System.out.println(cellValue);
 
     
 
     public String getCellValue(HSSFCell cell) 
         String value = null;
         if (cell != null) 
             switch (cell.getCellType()) 
             case HSSFCell.CELL_TYPE_FORMULA:
                 // cell.getCellFormula();
                 try 
                     value = String.valueOf(cell.getNumericCellValue());
                  catch (IllegalStateException e) 
                     value = String.valueOf(cell.getRichStringCellValue());
                 
                 break;
             case HSSFCell.CELL_TYPE_NUMERIC:
                 value = String.valueOf(cell.getNumericCellValue());
                 break;
             case HSSFCell.CELL_TYPE_STRING:
                 value = String.valueOf(cell.getRichStringCellValue());
                 break;
             
         
 
         return value;
     
 
     public static void main(String[] args) 
         try 
             // TODO Auto-generated method stub
             FormulaToString fts = new FormulaToString();
             fts.fileInput();
          catch (IOException e) 
             e.printStackTrace();