poi写Excel文档

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 package jwsample;  
 
   
 
import java.io.FileOutputStream;  
 
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 Sample1 {  
 
   public static void main(String[] args) {  
 
      try {  
 
         (new Sample1()).go();  
 
      } catch (Exception ex) {  
 
         System.err.println(ex);  
 
      }  
 
   }  
 
   
 
   /**  
 
    * 生成简单的Sheet
 
    */  
 
   void go() throws Exception {  
 
     
      //生成Excel文件的Workbook对象                      (1)
      HSSFWorkbook wb = new HSSFWorkbook();        
     
 
   
 
     
      // 生成「sheet1」Sheet对象                         (2)
      HSSFSheet sheet1 = wb.createSheet("sheet1");        
     
 
   
 
     
      // 生成行                                           (3)
      HSSFRow row0 = sheet1.createRow(0);        
     
 
   
 
     
      // 生成列
      row0.createCell((short)0).setCellValue("CellData");     (4)
      row0.createCell((short)1).setCellValue(123);        
     
 
   
 
     
      // 把WorkBook对象打印到Excel文档
      FileOutputStream fileOut = new FileOutputStream("sample1.xls");     (5)
      wb.write(fileOut);     
      fileOut.close();        
     
 
   }  
 
}