紧急寻求，用JAVA EXCEL API实现数据导入excel中jsp程序！！！在线等

RusultSet row=........;WritableWorkbook wwb = Workbook.createWorkbook(new File(save_path));
   jxl.write.WritableSheet ws = wwb.createSheet("Back Up 1", 0);
   jxl.write.Label labelC = new jxl.write.Label(0, 0, "操作员编号");
   ws.addCell(labelC);
   labelC = new jxl.write.Label(1, 0, "操作员姓名");
   ws.addCell(labelC);
   labelC = new jxl.write.Label(2, 0, "操作类型");
   ws.addCell(labelC);
   labelC = new jxl.write.Label(3, 0, "操作日期");
   ws.addCell(labelC);
   labelC = new jxl.write.Label(4, 0, "操作时间");
   ws.addCell(labelC);
   labelC = new jxl.write.Label(5, 0, "合同编号");
   ws.addCell(labelC);
   labelC = new jxl.write.Label(6, 0, "操作内容");
   ws.addCell(labelC);
   while(row.next()){
   labelC = new jxl.write.Label(0, i+1, row.getString("op_code"));
   ws.addCell(labelC);
   labelC = new jxl.write.Label(1, i+1, row.getString("op_name"));
   ws.addCell(labelC);
   labelC = new jxl.write.Label(2, i+1, row.getString("op_data_type"));
   ws.addCell(labelC);
   labelC = new jxl.write.Label(3, i+1, row.getString("op_date"));
   ws.addCell(labelC);
   labelC = new jxl.write.Label(4, i+1, row.getString("op_time"));
   ws.addCell(labelC);
   labelC = new jxl.write.Label(5, i+1, row.getString("contract_id"));
   ws.addCell(labelC);
   labelC = new jxl.write.Label(6, i+1, row.getString("op_log"));
   ws.addCell(labelC);
   }
   wwb.write();
   wwb.close();