Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

JavaÓû§»Øµ÷·½·¨Ïû³ýÈßÓà´úÂë

Ò». ¿´Ò»¶ÎÈßÓàµÄ´úÂë
public String login(HttpServletRequest request){
   OperatorService operatorService = new OperatorService();
   WebContext webContext= request.getSession().getAttribute("WEB_CONTEXT_KEY");
Connection conn=null;
try{
      Conection conn =DBManager.getConnection();
       if(webContext.getOperatorName.equals("123")){
          // µÇ½³É¹¦
      }
}catch(Throwable t){
   //¼Ç¼ÈÕÖ¾
//Ìø×ªµ½Í³Ò»µÄ´íÎóÒ³Ãæ,²»ÄÜÈÃÓû§¿´µ½Òì³£Ò³Ãæ
       //¹Ø±ÕConnection
       if(conn!=null){
           try{conn.close();}cath(SQLException ex){}
     }
   }
}
public String logOut(HttpServletRequest request){
   OperatorService operatorService = new OperatorService();
   WebContext webContext= request.getSession().getAttribute("WEB_CONTEXT_KEY");
try{
       Conection conn =DBManager.getConnection();
        operatorService.logout();
      request.getSession().invalidate();
}catch(Throwable t){
   //¼Ç¼ÈÕÖ¾
//Ìø×ªµ½Í³Ò»µÄ´íÎóÒ³Ãæ,²»ÄÜÈÃÓû§¿´µ½Òì³£Ò³Ãæ
       //¹Ø±ÕConnection
       if(conn!=null){
           try{conn.close();}cath(SQLException ex){}
     }
   }
}
¶þ¡¢¿ÉÒÔ¿´µ½,ºìÉ«²¿·Ö´úÂëÍêÈ«ÊÇÈßÓàµÄ£¬ÏÂÃæÓûص÷·½·¨¼ò»¯Õⲿ·Ö´úÂë
1.Ïȶ¨ÒåÒ»¸ö»Øµ÷³éÏóÀà
public abstract class AppCallback {
    /**
    * »Øµ÷Ö´Ðз½·¨
    *
    * @return
    */
    public String execute() {
  &n


Ïà¹ØÎĵµ£º

javaÖÐ×Ö·û´® MD5ÃÜÂëµÄ¼ÓÃÜÓëÑéÖ¤

Õª×Ô£ºjava JDK ʵÀý±¦µä
        MD5¼´Message-Digest Algorithm 5£¨ÐÅÏ¢-ÕªÒªËã·¨ 5£©£¬ÓÃÓÚÈ·±£ÐÅÏ¢´«ÊäÍêÕûÒ»Ö¡£ÊǼÆËã»ú¹ã·ºÊ¹ÓõÄÔÓ´ÕËã·¨Ö®Ò»£¨ÓÖÒëÕªÒªËã·¨¡¢¹þÏ£Ëã·¨£©£¬Ö÷Á÷±à³ÌÓïÑÔÆÕ±éÒÑÓÐMD5ʵÏÖ¡£
¡¡¡¡ ½«Êý¾Ý£¨È纺×Ö£©ÔËËãΪÁíÒ»¹Ì¶¨³¤¶ÈÖµÊÇÔÓ´ÕËã·¨µÄ»ù´¡Ô­À ......

Àí½âJavaÀà¼ÓÔØÔ­Àí

µÚÒ»²¿·Ö. Ìáʾ
ÎÒÐèÒª¶ÁÕâÆªÎÄÕÂÂð£¿
JavaÀà¼ÓÔØÆ÷¶ÔJavaϵͳµÄÔËÐÐÊÇÖÁ¹ØÖØÒªµÄ£¬µ«ÊÇÈ´³£³£±»ÎÒÃǺöÂÔ¡£JavaÀà¼ÓÔØÆ÷¸ºÔØ
ÔÚÔËÐÐʱ²éÕҺͼÓÔØÀà¡£×Ô¶¨ÒåÀà¼ÓÔØÆ÷¿ÉÒÔÍêÈ«¸Ä±äÀàµÄ¼ÓÔØ·½Ê½£¬ÒÔ×Ô¼ºÏ²»¶µÄ·½Ê½À´
¸öÐÔ»¯ÄãµÄJavaÐéÄâ»ú¡£±¾ÎļòÒªµÄ½éÉÜJavaÀà¼ÓÔØÆ÷£¬È»ºóͨ¹ýÒ»¸ö¹¹Ôì×Ô¶¨ÒåÀà¼ÓÔØÆ÷
µÄÀý×ÓÀ´ËµÃ÷£¬Õâ ......

java ÖÐ CookieµÄÓ÷¨

Cookie£º¼Ç¼Óû§µÇ½״̬£¬¿ÉÒÔÔÚ¿Í»§¶Ë´´½¨cookie£¬¿ÉÒÔʹÓû§µÚ¶þ´ÎµÇ½µÄʱºò²»ÓÃÊäÈëÓû§ÃûºÍÃÜÂ룬¼´¿ÉÒԵǽµ½Ö÷Ò³
Ö÷Òª´úÂ룺  
LoginView ÖУº £¨»ñÈ¡cookie£©
//»ñÈ¡cookie
Cookie [] cs=request.getCookies();
String name="";
String value="";
if(null!=cs)
......

×î´ó³Ë»ýµÄN 1ÏֻÓó˷¨²»ÄÜÓó˷¨ (Java)ʵÏÖ

package algorithm.misc;
import util.*;
public class MaxProductOfN1 {
    private static int exceptIndex = -1;
   
    public static long regMethod(int data[])
    {
        long ret = Long.MIN_VALUE;
& ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ