java Ö´ÐÐÅú´¦ÀíÎļþ.bat Êý¾Ý¿â×Ô¶¯±¸·Ý

1.ÌáǰдºÃ±¸·Ý.bat£¬·ÅÔÚij¸öÎļþ¼ÐÀ½«Â·¾¶ÉèÖÃÔÚ.propertiesÀïµÄ
 @echo off
set txt=%date:~0,4%%date:~5,2%%date:~8,2%%time:~0,2%%time:~3,2%%time:~6,2%
echo %txt%
echo --------------------------------------------------
echo -------------ÕýÔÚÖ´ÐÐoracleÊý¾Ý¿â±¸·Ý--------------
echo --------------------------------------------
echo ...
echo ...
echo µ¼³öDatabase...
if exist %txt%.dmp del %txt%.dmp
exp userid=user/user@ORCL file=d:/%txt%.dmp
echo ...
echo ...
echo ±¸·ÝÍê³É!
exit
2.ÔÚXMLÎļþÀïÌí¼Ó¼àÌý
<listener>
 <listener-class>
  com.dbbackup.DbBackUpListener 
 </listener-class>
</listener>
3.Ö÷³ÌÐò
import java.io.FileNotFoundException;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;
import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
public class DbBackUpListener implements ServletContextListener {
// ÉèÖñ¸·Ý¼ä¸ôʱ¼ä
 int intTime = 60;//ÕâÀïÉèÖÃ1·ÖÖÓÖ´ÐÐÒ»´Î
 public void contextDestroyed(ServletContextEvent sce) {
 }
 public void contextInitialized(ServletContextEvent sce) {
  ServletContext ctx = sce.getServletContext();
  
// È¡µÃ.batÎļþµÄ·¾¶¡£Â·¾¶ÉèÖõ½ÁË.propertiesÀï
  String filePath = PropertyUtil
    .getProperty("WEB-INF/test.bat");
  PickTask picktask = new PickTask(ctx.getRealPath(filePath));
  
// ¶à¾ÃÖ´ÐÐÒ»´Î
  picktask.start(1, intTime);
 }
}
class PickTask {
     private Timer timer;
     private String fileName = null;
     public PickTask(String fileName1) {
          this.timer = new Timer();
          this.fileName = fileName1;