有时要为每一篇文章统计其点击次数,如果每一次浏览都要更新一次库的话,那性能在访问量很大的情况下,服务器的压力就会很大了,比较好一点的方法就是先将要更新的数据缓存起来,然后每隔一段时间再利用数据库的批量处理,批量更新库。源码如下: 7 kEx48
7s0)3HR}
CountBean.java |*Of^IkG0
-mE
/*
{VS''Lv
* CountData.java ?e"Wu+q~L
* pCz@(:0
* Created on 2007年1月1日, 下午4:44 t1G1(F#&%
* "w(N62z/
* To change this template, choose Tools | Options and locate the template under 83\o(
* the Source Creation and Management node. Right-click the template and choose B>{|'z?%>
* Open. You can then make changes to the template in the Source Editor. FLVbkW-G.
*/ @][ a8:Y9I
"xL;(Fqu
package com.tot.count; f37ji
,}eRnl\
/** F_ ,L2J
* ;r g H}r
* @author tniPEmeS
*/ 8f /T!5
public class CountBean { av'd%LZP
private String countType; dDsjPM;2
int countId; mrK,Ql
/** Creates a new instance of CountData */ i_[^s:*T
public CountBean() {} x:!C(Ep)
public void setCountType(String countTypes){ SPfD2%jjC
this.countType=countTypes; Uzan7A
} /'R UA
public void setCountId(int countIds){ DZ%g^DRZX
this.countId=countIds; LvSP #$f
} b`(yu.{Jn
public String getCountType(){ b24NL'jm
return countType; .jvSAV5B
} b*btkaVue
public int getCountId(){ 2N
L:\%wz
return countId; >{phyByI
} NvQY7C
} |WD,\=J2
#citwMW
CountCache.java l,imT$u
(eCF>Wh^m
/* 9
Q0#We*
* CountCache.java _F}IF9{?G
* S4#A#a2J
* Created on 2007年1月1日, 下午5:01 N>uA|<b,
* S^3g]5YX
* To change this template, choose Tools | Options and locate the template under l9M#]*{
* the Source Creation and Management node. Right-click the template and choose f28gE7Y\a
* Open. You can then make changes to the template in the Source Editor. f?/|;Zo4
*/ /Ki0+(4
p2pTs&}S
package com.tot.count; `E./p
import java.util.*; dNR7e
/** -&q