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: #s{EIj~YR_
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CountBean.java c#Qlr{ES
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/* m$VCCDv
* CountData.java A$n:
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* Created on 2007年1月1日, 下午4:44 5nXmaj
* t4UL|fI
* To change this template, choose Tools | Options and locate the template under h\4enu9[RL
* the Source Creation and Management node. Right-click the template and choose 8M,$|\U
* Open. You can then make changes to the template in the Source Editor. %?BygG
*/
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package com.tot.count; QsBC[7<jd-
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/** k54b@U52 h
* Y o\%53w/
* @author }J6 y NoXu
*/ %GGSd0
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public class CountBean { ]]T,;|B
private String countType; P} w0=
int countId; 2>g!+p Ox
/** Creates a new instance of CountData */ H#3Ma1z
public CountBean() {} d
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public void setCountType(String countTypes){ Q!(qb
this.countType=countTypes; Q"K`~QF"
} Fr#QM0--B
public void setCountId(int countIds){ C3KAQU
this.countId=countIds; n2Y a'YF
} y>c Yw!
public String getCountType(){ y
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return countType; drJUfsxV
} /}k?Tg/
public int getCountId(){ w3M F62:
return countId; }Vfc;2
} +&.39q!
} 2LS91
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CountCache.java K@?K4o
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/* zqLOwzMlLx
* CountCache.java {[bB$~7Eu
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* Created on 2007年1月1日, 下午5:01 %>1C($^
* _$yS4= .
* To change this template, choose Tools | Options and locate the template under @v/
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* the Source Creation and Management node. Right-click the template and choose |`d-;pk!%
* Open. You can then make changes to the template in the Source Editor. 'M
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*/ M
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package com.tot.count; q:mqA$n
import java.util.*; :Aj[#4-=
/** f.:0T&%G
* !.7m4mKzo
* @author \"P$*y4Le
*/ dvLL~VP
public class CountCache { =00sB
public static LinkedList list=new LinkedList(); -kb;h F}.
/** Creates a new instance of CountCache */ rnC<(f22
public CountCache() {} C|RC9b
public static void add(CountBean cb){ EME}G42KN
if(cb!=null){ |N|[E5Cn
list.add(cb); 26MoYO!k
} #<vzQ\~Y
} |21*p#>
} W(EN01d \
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CountControl.java :M.]- +(
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/* GmZ2a-M
* CountThread.java :q$.=?X3
* %1rN6A!%
* Created on 2007年1月1日, 下午4:57 &H%z1Lp
* J"fv5{
* To change this template, choose Tools | Options and locate the template under j3fq}>=
* the Source Creation and Management node. Right-click the template and choose B %
* Open. You can then make changes to the template in the Source Editor.
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*/ &