使用java操作Excel文件

使用java操作Excel文件(10)        File testfile1 = chooser.getSelectedFile();
       if (result == chooser.CANCEL_OPTION)
       {
           System.exit(0);
       }
      try
      {
        DataOutputStream out = new DataOutputStream(new FileOutputStream(
            testfile1));

        String fileName = testfile.getName();
        byte[] b = xls.getBytes("gbk");
        out.write(b);
        out.close();
      }
      catch (Exception ex)
      {
        ex.printStackTrace();
      }
    }
  //-----------------------------------------------------------

    public String generateinsertsql(String[][] content)
    {

      String fieldContent="";
      int ilength=0;

      String sql="";
      for (int i = 1; i < content.length; i++)
      {
        fieldContent="'"+content[i][0]+"'";
        for(int j=1;j<content[i].length;j++)
        {
          fieldContent=fieldContent+",'"+content[i][j]+"'";
        }
         sql=sql+"insert"+tbName+"("+Field+") values("+fieldContent+")\r\n";