阅读Excel行和列

Question

下面的代码是读取一个大的Excel文件。我得到了“无法从org.apache.poi.hssf.usermodel.HSSFCell.typeMismatch的数字单元格中获取文本值”错误。我该如何解决。列1是数值，列2是字符串值。

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.FileInputStream; 
    import java.io.IOException; 
    import java.util.Iterator; 
    import java.util.Vector; 

    public class ReadExcel { 

     public static void main(String[] args) throws Exception { 

      String filename = "C:/Documents and Settings/oemiola/My Documents/Defects_Input.xls"; 
      FileInputStream fis = null; 

      try { 
       fis = new FileInputStream(filename); 
       HSSFWorkbook workbook = new HSSFWorkbook(fis); 
       HSSFSheet sheet = workbook.getSheetAt(0); 
       Iterator rowIter = sheet.rowIterator();  

       while(rowIter.hasNext()){ 
        HSSFRow myRow = (HSSFRow) rowIter.next(); 
        Iterator cellIter = myRow.cellIterator(); 
        Vector<String> cellStoreVector=new Vector<String>(); 
        while(cellIter.hasNext()){ 
         HSSFCell myCell = (HSSFCell) cellIter.next(); 
         String cellvalue = myCell.getStringCellValue(); 
         cellStoreVector.addElement(cellvalue); 
        } 
        String firstcolumnValue = null; 
        String secondcolumnValue = null; 

        int i = 0; 
        firstcolumnValue = cellStoreVector.get(i).toString();  
        secondcolumnValue = cellStoreVector.get(i+1).toString(); 

        insertQuery(firstcolumnValue,secondcolumnValue); 
       } 

      } catch (IOException e) { 

       e.printStackTrace(); 

      } finally { 

       if (fis != null) { 

        fis.close(); 
       } 
      } 

     } 

     private static void insertQuery(String firstcolumnvalue,String secondcolumnvalue) { 

      System.out.println(firstcolumnvalue + " " +secondcolumnvalue); 


     } 

    } 

Answer 1

使用Cell#getCellType来确定单元格中是否有数字或字符串。如果是数字，则使用getNumericCellValue而不是getStringCellValue。