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: _,/~P)
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CountBean.java {`,)<R>}
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/* eze%RjO}
* CountData.java pdvnpzj
* >F s/Wet
* Created on 2007年1月1日, 下午4:44 eW;3ko E
* 2_y]MXG+%
* To change this template, choose Tools | Options and locate the template under }1W@
* the Source Creation and Management node. Right-click the template and choose [c;#>UQMf
* Open. You can then make changes to the template in the Source Editor. is~2{:
*/ x0WinLQ
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package com.tot.count; A+3SLB
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/** }pIn3B)
* kDI?v6y5
* @author !?=U{^|7y
*/ 9\c]I0)3p
public class CountBean { ? ^W1WEBm
private String countType; ,[)l>!0\H
int countId; ~?FhQd\Q
/** Creates a new instance of CountData */ =4l @A>
public CountBean() {} )BvMFwQG
public void setCountType(String countTypes){ i;-M8Q^
this.countType=countTypes; v?Utz~lQ
} ]!&$&t8.
public void setCountId(int countIds){ Y~e)3e
this.countId=countIds; m(*rMO>_
} o]RZd--c<
public String getCountType(){ =^i K^)
return countType; mEsb_3?#+
} ft$RF
public int getCountId(){ |`t 6lVO,Z
return countId; 5doi4b>]!
} {ywwJ
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CountCache.java _DH^ K9,9
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/* 8-Y*b89
* CountCache.java L!lmy&1
* 28`s+sH
* Created on 2007年1月1日, 下午5:01 3%5a&b
* &JcatI
* To change this template, choose Tools | Options and locate the template under -5 D<zP/
* the Source Creation and Management node. Right-click the template and choose %1.F;-GdsW
* Open. You can then make changes to the template in the Source Editor. "ayV8{m^3
*/ %9a3$OGZX
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package com.tot.count; 5af0- hj
import java.util.*; brs`R#e \
/** IEMa/[n/
* -v.\W y~\
* @author ?5J#
*/ 5l
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public class CountCache { _io'8X2K%
public static LinkedList list=new LinkedList(); Uq$/Q7
/** Creates a new instance of CountCache */ q]I aRho
public CountCache() {} Dzf\m>H[
public static void add(CountBean cb){ PXkpttIE]M
if(cb!=null){ )Wr_*>xj
list.add(cb); (u} /(Ux
} ]i@73h YT
} &UOxS W
} DZtpY{=Z
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CountControl.java 2Y23!hw
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/* 5dI=;L>D
* CountThread.java J\Pb/9M/
* xdgAu
* Created on 2007年1月1日, 下午4:57 <Q\KS
* vxj:Y'}
* To change this template, choose Tools | Options and locate the template under h_[{-WC
* the Source Creation and Management node. Right-click the template and choose VMRfDaO9
* Open. You can then make changes to the template in the Source Editor. !>n!Q*\(Ov
*/ N=KtW?C
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