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: XoR>H4xh
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CountBean.java H9`
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/* )ofm_R'q*
* CountData.java #tjmWGo,
* *
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* Created on 2007年1月1日, 下午4:44 o>c^aRZ{
* #SkX@sl@
* To change this template, choose Tools | Options and locate the template under TfRGA(+#
* the Source Creation and Management node. Right-click the template and choose ^Y04qeRd
* Open. You can then make changes to the template in the Source Editor. dvjTyX
*/ k\N4@UK
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package com.tot.count; b2kWjg.4
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/** l#bAl/c`
* 5PZN^\^
* @author 6^#uLp>
*/ `cr(wdvI
public class CountBean { [pgZbOIN37
private String countType; ] hE="z=n
int countId; @Bs0Avj.
/** Creates a new instance of CountData */ 4h|dHXYZ
public CountBean() {} otr>3a*'
public void setCountType(String countTypes){ B@t'U=@7
this.countType=countTypes; o
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} 6EJVD!#[K
public void setCountId(int countIds){ #Hu~}zy
this.countId=countIds; Ip?]K*sq
} op7FZHs
public String getCountType(){ E\{< ;S
return countType; vR>o}%`
} z`$J_Cj Y
public int getCountId(){ H4<Nnd\
return countId; C!%:o/
} h`5)2n+ P
} XU-m"_t
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CountCache.java 8`v$liH
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/* bAF )Bli
* CountCache.java i0pU!`0
* o6}n8U}bk
* Created on 2007年1月1日, 下午5:01 ~}% ~oT
* x5Zrz<Y$w
* To change this template, choose Tools | Options and locate the template under hu5!ev2
* the Source Creation and Management node. Right-click the template and choose A^Cj1:,
* Open. You can then make changes to the template in the Source Editor. ohQAA h
*/ ]hTb@.
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package com.tot.count; 3HiFISA*
import java.util.*; YQ(Po!NI\'
/** 2t1I3yA'{z
* NZXjE$<Vr
* @author Lz4ehWntO
*/ Bw<rp-
public class CountCache { Z1,gtl ?
public static LinkedList list=new LinkedList(); 7}B
/** Creates a new instance of CountCache */ .36^[Jsz":
public CountCache() {}
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public static void add(CountBean cb){ y79qwM.
if(cb!=null){ z?ucIsbR
list.add(cb); y' x F0
} @q8an
} ,&]MOe4@>
} '2^
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CountControl.java #DI$Oc
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/* 'Ud|Ex@A9
* CountThread.java 3/goCg
* ]tt} #
* Created on 2007年1月1日, 下午4:57 ?m"|QS!!K
* LSd*|3E}n
* To change this template, choose Tools | Options and locate the template under rPiNv
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* the Source Creation and Management node. Right-click the template and choose \7Cg,Xn
* Open. You can then make changes to the template in the Source Editor. `l]j#qshTm
*/ ]=&L