JavaÃÜÂë¼ÓÃÜ
Java´úÂë
package com.sunnylocus.util;
import java.security.MessageDigest;
/**
* ¶ÔÃÜÂë½øÐмÓÃܺÍÑéÖ¤µÄÀà
*/
public class CipherUtil{
//Ê®Áù½øÖÆÏÂÊý×Öµ½×Ö·ûµÄÓ³ÉäÊý×é
private final static String[] hexDigits = {"0", "1", "2", "3", "4",
"5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"};
/** * °ÑinputString¼ÓÃÜ */
public static String generatePassword(String inputString){
return encodeByMD5(inputString);
}
/**
* ÑéÖ¤ÊäÈëµÄÃÜÂëÊÇ·ñÕýÈ·
* @param password ¼ÓÃܺóµÄÃÜÂë
* @param inputString ÊäÈëµÄ×Ö·û´®
* @return ÑéÖ¤½á¹û£¬TRUE:ÕýÈ· FALSE:´íÎó
*/
public static boolean validatePassword(String password, String inputString){
if(password.equals(encodeByMD5(inputString))){
return true;
Ïà¹ØÎĵµ£º
×î½üÔÚ¿´JVMÓйض«Î÷£¬·¢ÏÖÒ»¸ö¼òµ¥ºÍfreeµÄHEAP DUMP²é¿´·½Ê½£¨»ùÓÚSUN JDK)
ÏÈʹÓÃ
jmap -dump:live,format=b,file=heap.bin 9381
ÆäÖÐ9381ΪJAVA ½ø³ÌPID
È»ºóÖ´ÐÐjhat heap.bin
´ýÏÔʾ
Snapshot resolved.
Started HTTP server on port 7000
Server is ready.
ÔÙʹÓÃWEB BROWER µÇ¼jhat ä¯ÀÀÆ÷¶Ë¿Ú¼´¿É ......
×î½üÓÉÓÚ¸÷ÖÖÔÒòÆÈʹ×Ô¼ºÐèÒªÏêϸÁ˽âjavaµÄ»ù±¾ÖªÊ¶£¬Ö®Ç°ÔÚѧУѧjava¶àÏ̵߳Äʱºò£¬ºÜ¶àºÜÖØÒªµÄ֪ʶµã¶¼ÊÇÒ»´ø¶ø¹ý¡£
ÎÒÃÇÀ´»ØÒäÒ»ÏÂjavaÖÐsynchronized¹Ø¼ü×ÖµÄÓÃ;£¨Ò»ÏÂÄÚÈÝÊô¸öÈËÀí½â£¬»¶Ó¶ÁÕßÐÞÕý£¡£©£º
1£ºsynchronized ÐÞÊξ²Ì¬·½·¨Ê±ºò£¬ÔÚÈκÎʱºòjvm¶¼±£Ö¤Ö»ÓÐÒ»¸öÏ ......
Ò»¡¢±íµ¥Ìá½»ÖÐÎÄÊý¾Ý³öÏÖÂÒÂ룺
£¨1£© post Ìá½»·½Ê½ÂÒÂë½â¾ö·½·¨£º
ʹÓùýÂËÆ÷¹ýÂËÇëÇó£¬ÔÚ¹ýÂËÆ÷ÖÐÌí¼Ó request.setCharacterEncoding("UTF-8");
£¨2£©getÌá½»·½Ê½ÂÒÂë½â¾ö·½·¨£º
ÔÚto ......