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: QV L92"
NVS U)#
CountBean.java Up`$U~%-
`dMOBYV
/* .Ig`v
* CountData.java U.crRrN
* +VdYT6{p
* Created on 2007年1月1日, 下午4:44 7{D+\i
* KOV^wSwS
* To change this template, choose Tools | Options and locate the template under I= x
* the Source Creation and Management node. Right-click the template and choose FGr0W|?v
* Open. You can then make changes to the template in the Source Editor. x(hUQu 6
*/ -F4CHpua
<&8cq@<
package com.tot.count; :)q/8 0@
4_&$isq
/** rD%(*|Y"c
* j Z3N+_J1
* @author KB&t31aq
*/ e3F)FTG&
public class CountBean { d}>Nl$
private String countType; Zu$f-_"
int countId; :?RooJ~#
/** Creates a new instance of CountData */ 7eQ7\,^H
public CountBean() {} lR{eO~'~V
public void setCountType(String countTypes){ 6^mO<nB
this.countType=countTypes; X
z2IAiAs'
} 9gn_\!Mp
public void setCountId(int countIds){ {tu* ="d=
this.countId=countIds; "%A/bv\u
} ~Msee+ZZ :
public String getCountType(){ hs2f3;)
return countType; @xtcjB9
} 2(5wFc
public int getCountId(){ b-M[la}1"
return countId; g5V9fnb!d
}
_"%d9B
} kkyn>Wxv
A}~hc&J
CountCache.java ,
y{o!w
fyYv}z
/* Ny*M{}E
* CountCache.java 3yr{B Xn
* AjAmV
hq
* Created on 2007年1月1日, 下午5:01 VXn]*Mo
* Rk"VFe>r
* To change this template, choose Tools | Options and locate the template under _<pG}fmR
* the Source Creation and Management node. Right-click the template and choose }C2I9Cl
* Open. You can then make changes to the template in the Source Editor. ]o6yU#zn~e
*/ u 6la
5>KAVtYvc
package com.tot.count; }s}b]v
import java.util.*; udp&