Java代码  

1. package xls;  
2.   
3. import java.io.FileInputStream;  
4. import java.io.IOException;  
5. import java.io.InputStream;  
6. import org.apache.poi.hssf.usermodel.HSSFCell;  
7. import org.apache.poi.hssf.usermodel.HSSFRow;  
8. import org.apache.poi.hssf.usermodel.HSSFSheet;  
9. import org.apache.poi.hssf.usermodel.HSSFWorkbook;  
10.   
11. public class XlsMain {  
12.   
13.   public static void main( String[] args) throws IOException {  
14.     XlsMain xlsMain = new XlsMain();  
15.       
16.     xlsMain.readXls();  
17.   }  
18.   
19.   private void readXls() throws IOException{  
20.     InputStream is = new FileInputStream( "D:\\excel\\xls_test2.xls");  
21.     HSSFWorkbook hssfWorkbook = new HSSFWorkbook( is);   
22.       
23.     // 循环工作表Sheet  
24.     for(int numSheet = 0; numSheet < hssfWorkbook.getNumberOfSheets(); numSheet++){  
25.       HSSFSheet hssfSheet = hssfWorkbook.getSheetAt( numSheet);  
26.       if(hssfSheet == null){  
27.         continue;  
28.       }  
29.         
30.       // 循环行Row   
31.       for(int rowNum = 0; rowNum <= hssfSheet.getLastRowNum(); rowNum++){  
32.         HSSFRow hssfRow = hssfSheet.getRow( rowNum);  
33.         if(hssfRow == null){  
34.           continue;  
35.         }  
36.           
37.         // 循环列Cell    
38.         for(int cellNum = 0; cellNum <= hssfRow.getLastCellNum(); cellNum++){  
39.           HSSFCell hssfCell = hssfRow.getCell( cellNum);  
40.           if(hssfCell == null){  
41.             continue;  
42.           }  
43.             
44.           System.out.print("    " + getValue( hssfCell));  
45.         }  
46.         System.out.println();  
47.       }  
48.     }  
49.   }  
50.     
51.   @SuppressWarnings("static-access")  
52.   private String getValue(HSSFCell hssfCell){  
53.     if(hssfCell.getCellType() == hssfCell.CELL_TYPE_BOOLEAN){  
54.       return String.valueOf( hssfCell.getBooleanCellValue());  
55.     }else if(hssfCell.getCellType() == hssfCell.CELL_TYPE_NUMERIC){  
56.       return String.valueOf( hssfCell.getNumericCellValue());  
57.     }else{  
58.       return String.valueOf( hssfCell.getStringCellValue());  
59.     }  
60.   }  
61.     
62. }  

package xls;

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
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 XlsMain {

  public static void main( String[] args) throws IOException {
    XlsMain xlsMain = new XlsMain();
    
    xlsMain.readXls();
  }

  private void readXls() throws IOException{
    InputStream is = new FileInputStream( "D:\\excel\\xls_test2.xls");
    HSSFWorkbook hssfWorkbook = new HSSFWorkbook( is); 
    
    // 循环工作表Sheet
    for(int numSheet = 0; numSheet < hssfWorkbook.getNumberOfSheets(); numSheet++){
      HSSFSheet hssfSheet = hssfWorkbook.getSheetAt( numSheet);
      if(hssfSheet == null){
        continue;
      }
      
      // 循环行Row 
      for(int rowNum = 0; rowNum <= hssfSheet.getLastRowNum(); rowNum++){
        HSSFRow hssfRow = hssfSheet.getRow( rowNum);
        if(hssfRow == null){
          continue;
        }
        
        // 循环列Cell  
        for(int cellNum = 0; cellNum <= hssfRow.getLastCellNum(); cellNum++){
          HSSFCell hssfCell = hssfRow.getCell( cellNum);
          if(hssfCell == null){
            continue;
          }
          
          System.out.print("    " + getValue( hssfCell));
        }
        System.out.println();
      }
    }
  }
  
  @SuppressWarnings("static-access")
  private String getValue(HSSFCell hssfCell){
    if(hssfCell.getCellType() == hssfCell.CELL_TYPE_BOOLEAN){
      return String.valueOf( hssfCell.getBooleanCellValue());
    }else if(hssfCell.getCellType() == hssfCell.CELL_TYPE_NUMERIC){
      return String.valueOf( hssfCell.getNumericCellValue());
    }else{
      return String.valueOf( hssfCell.getStringCellValue());
    }
  }
  
}

Java代码  

1. package xlsx;  
2.   
3. import java.io.IOException;  
4. import org.apache.poi.xssf.usermodel.XSSFCell;  
5. import org.apache.poi.xssf.usermodel.XSSFRow;  
6. import org.apache.poi.xssf.usermodel.XSSFSheet;  
7. import org.apache.poi.xssf.usermodel.XSSFWorkbook;  
8.   
9. public class XlsxMain {  
10.   
11.   public static void main( String[] args) throws IOException {  
12.     XlsxMain xlsxMain = new XlsxMain();  
13.       
14.     xlsxMain.readXlsx();  
15.   }  
16.   
17.   private void readXlsx() throws IOException{  
18.     String fileName = "D:\\excel\\xlsx_test.xlsx";  
19.     XSSFWorkbook xssfWorkbook = new XSSFWorkbook( fileName);  
20.       
21.     // 循环工作表Sheet  
22.     for(int numSheet = 0; numSheet < xssfWorkbook.getNumberOfSheets(); numSheet++){  
23.       XSSFSheet xssfSheet = xssfWorkbook.getSheetAt( numSheet);  
24.       if(xssfSheet == null){  
25.         continue;  
26.       }  
27.         
28.       // 循环行Row   
29.       for(int rowNum = 0; rowNum <= xssfSheet.getLastRowNum(); rowNum++ ){  
30.         XSSFRow xssfRow = xssfSheet.getRow( rowNum);  
31.         if(xssfRow == null){  
32.           continue;  
33.         }  
34.           
35.         // 循环列Cell     
36.         for(int cellNum = 0; cellNum <= xssfRow.getLastCellNum(); cellNum++){  
37.           XSSFCell xssfCell = xssfRow.getCell( cellNum);  
38.           if(xssfCell == null){  
39.             continue;  
40.           }  
41.           System.out.print("   "+getValue(xssfCell));  
42.         }  
43.         System.out.println();  
44.       }  
45.     }  
46.   }  
47.     
48.   @SuppressWarnings("static-access")  
49.   private String getValue(XSSFCell xssfCell){  
50.     if(xssfCell.getCellType() == xssfCell.CELL_TYPE_BOOLEAN){  
51.       return String.valueOf( xssfCell.getBooleanCellValue());  
52.     }else if(xssfCell.getCellType() == xssfCell.CELL_TYPE_NUMERIC){  
53.       return String.valueOf( xssfCell.getNumericCellValue());  
54.     }else{  
55.       return String.valueOf( xssfCell.getStringCellValue());  
56.     }  
57.   }  
58.     
59. }  

package xlsx;

import java.io.IOException;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

public class XlsxMain {

  public static void main( String[] args) throws IOException {
    XlsxMain xlsxMain = new XlsxMain();
    
    xlsxMain.readXlsx();
  }

  private void readXlsx() throws IOException{
    String fileName = "D:\\excel\\xlsx_test.xlsx";
    XSSFWorkbook xssfWorkbook = new XSSFWorkbook( fileName);
    
    // 循环工作表Sheet
    for(int numSheet = 0; numSheet < xssfWorkbook.getNumberOfSheets(); numSheet++){
      XSSFSheet xssfSheet = xssfWorkbook.getSheetAt( numSheet);
      if(xssfSheet == null){
        continue;
      }
      
      // 循环行Row 
      for(int rowNum = 0; rowNum <= xssfSheet.getLastRowNum(); rowNum++ ){
        XSSFRow xssfRow = xssfSheet.getRow( rowNum);
        if(xssfRow == null){
          continue;
        }
        
        // 循环列Cell   
        for(int cellNum = 0; cellNum <= xssfRow.getLastCellNum(); cellNum++){
          XSSFCell xssfCell = xssfRow.getCell( cellNum);
          if(xssfCell == null){
            continue;
          }
          System.out.print("   "+getValue(xssfCell));
        }
        System.out.println();
      }
    }
  }
  
  @SuppressWarnings("static-access")
  private String getValue(XSSFCell xssfCell){
    if(xssfCell.getCellType() == xssfCell.CELL_TYPE_BOOLEAN){
      return String.valueOf( xssfCell.getBooleanCellValue());
    }else if(xssfCell.getCellType() == xssfCell.CELL_TYPE_NUMERIC){
      return String.valueOf( xssfCell.getNumericCellValue());
    }else{
      return String.valueOf( xssfCell.getStringCellValue());
    }
  }
  
}