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: 6n37R#(
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CountBean.java !~PLW] Z4
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/* .PBma/w
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* CountData.java pv1J6
* f@lRa>Z(Fm
* Created on 2007年1月1日, 下午4:44 u! `oKe;
* %cJ]Ds%V
* To change this template, choose Tools | Options and locate the template under @q2If{Tk
* the Source Creation and Management node. Right-click the template and choose ] >-#T
* Open. You can then make changes to the template in the Source Editor. %tiFx:F+
*/ zS*GYE(l^
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package com.tot.count; }<`Mn34@
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/** =+ `I%>wc
* {<%zcNKl^L
* @author 4KF
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*/ 1HK5OT&
public class CountBean { ~_=ohb{
private String countType; >v^Bn|_/
int countId; j.OPDe{LU
/** Creates a new instance of CountData */ Cc^`M9dP
public CountBean() {} -:wC920+
public void setCountType(String countTypes){ P<yd
this.countType=countTypes; \:ntqj&A|
} }TD$!
public void setCountId(int countIds){ *X_CtjgF
this.countId=countIds; 8_WFSF^
} >Z
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public String getCountType(){ 0kP,Zj<
return countType; &qqS'G*
} Uv'.]#H<
public int getCountId(){ GWa_^
return countId; *l:5FTp
} %m r
} sxcpWSGA^
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CountCache.java ?z>ZsD
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/* AG6tt
* CountCache.java $$+6=r}
* ukBj@.~
* Created on 2007年1月1日, 下午5:01 e(E6 t_
* <EKDP>,~
* To change this template, choose Tools | Options and locate the template under >!:uVS
* the Source Creation and Management node. Right-click the template and choose .hW_P62\#
* Open. You can then make changes to the template in the Source Editor. A|p O
*/ 1L.H"
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package com.tot.count; X&EcQ
import java.util.*; J2VhheL`J
/** PK^{WF}L;
* ^Z]1Z
* @author $'!r/jV
*/ N9IBw',
public class CountCache { WF#eqU*&
public static LinkedList list=new LinkedList(); ka3Jqy4[
/** Creates a new instance of CountCache */ sS#Lnj^`%
public CountCache() {} ;\yY*
public static void add(CountBean cb){ `h+ia/
if(cb!=null){ wlr/zquAE9
list.add(cb); R:HF~}
} cd,)GF
} s\g"~2+
} gd3~R+Kd
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CountControl.java rxtp?|v9
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/* +BcJHNIB
* CountThread.java v#i,pBj
* 2OFrv=F
* Created on 2007年1月1日, 下午4:57 .} <$2.
* J5PXmL
* To change this template, choose Tools | Options and locate the template under boAu
* the Source Creation and Management node. Right-click the template and choose NFpR jC?
* Open. You can then make changes to the template in the Source Editor. ~*R"WiDtI
*/ b#cXn4<