ÓÃjavaʵÏÖcache
ÔÚ¿ª·¢ÏîÄ¿¹¤³Ìʱ£¬¾³£»áÓöµ½±£´æÄ³Ð©Öµ·Åµ½ÏµÍ³µÄcacheÖУ¬ÏÖÓÃCache.javaºÍCacheManager.javaÀ´¹ÜÀí¡£¾ßÌå´úÂë·Ö±ðÈçÏ£º
public class Cache {
private String key;
private Object value;
private long timeOut;
private boolean expired;
public Cache() {
super();
}
public Cache(String key, String
value, long timeOut, boolean expired) {
this.key = key;
this.value = value;
this.timeOut = timeOut;
this.expired = expired;
}
public String getKey() {
return key;
}
public long getTimeOut() {
return timeOut;
}
public
Object getValue() {
return value;
 
Ïà¹ØÎĵµ£º
½ñÌìÎÒÔÚ×ö·É»ú¡£ÎªÊ²Ã´ËµÎÒÔÚ×ö·É»úÄØ£¡ÒòΪÕâÊÇÎÒ½ø´«ÖDz¥¿ÍÒÔÀ´£¬¸öÈ˸оõ·Ç³£ÖØÒªµÄÒ»ÌÿΣ¬µ«ÊÇÎÒ²»ÄÜÒ»ÏÂ×Ó¼ÇסËùËùÓеĶ«Î÷£¬×òÌìÍíÉÏ£¬¿´ÊÓÆµ¿´µ½ÍíÉÏÈýµã£¬½ñÌìÉϿκÜÏ뼯ÖÐ×¢ÒâÁ¦£¬µ«ÊÇ×îÖÕ»¹ÊÇÈ̲»×¡´òÁËî§Ë¯£¬µ«½ñÌìµÄµÄ¿Î¸øÎҵĸоõÊǷdz£¾ßÓÐÁ¬¹áÐÔ£¬Ç°ÃæµÄ¿ÎÈç¹ûÌýµÃ²»ÊǺÜÇ ......
SQL×¢ÈëÊÇ×î³£¼ûµÄ¹¥»÷·½Ê½Ö®Ò»,Ëü²»ÊÇÀûÓòÙ×÷ϵͳ»òÆäËüϵͳµÄ©¶´À´ÊµÏÖ¹¥»÷µÄ,¶øÊdzÌÐòÔ±ÒòΪûÓÐ×öºÃÅжÏ,±»²»·¨
Óû§×êÁËSQLµÄ¿Õ×Ó,ÏÂÃæÎÒÃÇÏÈÀ´¿´ÏÂʲôÊÇSQL×¢Èë:
±ÈÈçÔÚÒ»¸öµÇ½½çÃæ,ÒªÇóÓû§ÊäÈëÓû§ÃûºÍÃÜÂë:
& ......
¶àÏ̶߳Áдͬһ¸ö¶ÔÏóµÄÊý¾ÝÊÇºÜÆÕ±éµÄ£¬Í¨³££¬Òª±ÜÃâ¶Áд³åÍ»£¬±ØÐë±£Ö¤ÈκÎʱºò½öÓÐÒ»¸öÏß³ÌÔÚдÈ룬ÓÐÏß³ÌÕýÔÚ¶ÁÈ¡µÄʱºò£¬Ð´Èë²Ù×÷¾Í±ØÐëµÈ´ý¡£¼òµ¥Ëµ£¬¾ÍÊÇÒª±ÜÃâ“д-д”³åÍ»ºÍ“¶Á-д”³åÍ»¡£µ«ÊÇͬʱ¶ÁÊÇÔÊÐíµÄ£¬ÒòΪ“¶Á-¶Á”²»³åÍ»£¬¶øÇҺܰ²È«¡£
ҪʵÏÖÒÔÉϵÄReadWriteLock£¬ ......
µ±Á½¸ö½ø³ÌÔÚ½øÐÐÔ¶³ÌͨÐÅʱ£¬±Ë´Ë¿ÉÒÔ·¢Ë͸÷ÖÖÀàÐ͵ÄÊý¾Ý¡£ÎÞÂÛÊǺÎÖÖÀàÐ͵ÄÊý¾Ý£¬¶¼»áÒÔ¶þ½øÖÆÐòÁеÄÐÎʽÔÚÍøÂçÉÏ´«ËÍ¡£·¢ËÍ·½ÐèÒª°ÑÕâ¸öJava¶ÔÏóת»»Îª×Ö½ÚÐòÁУ¬²ÅÄÜÔÚÍøÂçÉÏ´«ËÍ£»½ÓÊÕ·½ÔòÐèÒª°Ñ×Ö½ÚÐòÁÐÔÙ»Ö¸´ÎªJava¶ÔÏó¡£
¡¡¡¡°ÑJava¶ÔÏóת»»Îª×Ö½ÚÐòÁеĹý³Ì³ÆÎª¶ÔÏóµÄÐòÁл¯¡£
¡¡¡¡°Ñ×Ö½ÚÐòÁлָ´ÎªJava¶ÔÏóµÄ¹ ......