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: A}BVep@D
oL!EYbFD'Z
CountBean.java ?8I?'\F;
zkt+7,vI
/* <->{
* CountData.java o15-ZzE-
* "~#3&3HVS
* Created on 2007年1月1日, 下午4:44
DH[p\Wy'
* mi=Q{>rb
* To change this template, choose Tools | Options and locate the template under )fFb_U
* the Source Creation and Management node. Right-click the template and choose :yL] ;J
* Open. You can then make changes to the template in the Source Editor. l>2E (Y|
*/ $~~Jw]
p2Z?T}fa}&
package com.tot.count; "An,Q82oHf
Lco~,OE
/** ~d
o9;8v
* TC N8a/@z
* @author SAH-p*.
*/ cpe+XvBuK
public class CountBean { ZXu>,Jy
private String countType; ~xbe~$$Q@
int countId; %d1,a$*3}
/** Creates a new instance of CountData */ :iK(JE`
public CountBean() {} Bgn&:T8<
public void setCountType(String countTypes){ ,MdV;j~"'
this.countType=countTypes; y_'Ub{w
} LSm$dK
public void setCountId(int countIds){ \<&m&%Zs
this.countId=countIds; hjU::m,WX
} [8P:?nDDL
public String getCountType(){ }v@dL3{f
return countType; niiA7Ux
} ySk R>y
public int getCountId(){ sz5MH!/PJ
return countId; QMA%$
} % "kPvI3Y
} bH-ub2@qO
P#E &|n7DT
CountCache.java 9"@\s$
OBk
q YC;cKv
/* a Fc1|.Nm
* CountCache.java dah[:rP,n{
* mH54ja2
* Created on 2007年1月1日, 下午5:01 }wWKFX
* QgrpBG
* To change this template, choose Tools | Options and locate the template under \n" {qfn`r
* the Source Creation and Management node. Right-click the template and choose j>*S5y.{
* Open. You can then make changes to the template in the Source Editor. 3RiWZN
*/ iMt:9|yF}8
Qwz}B
package com.tot.count; v&Ii^?CvO
import java.util.*; f&