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: Ft@Wyo`^
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CountBean.java t+nRw?Z
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/* u7;~
* CountData.java ba3-t;S
* Lz\UZeq
* Created on 2007年1月1日, 下午4:44 Uw<&Wm`'
* x>~p;z#VX
* To change this template, choose Tools | Options and locate the template under !Do,>gO
* the Source Creation and Management node. Right-click the template and choose ap}5ElMR
* Open. You can then make changes to the template in the Source Editor. L"<B;u5pM
*/ f'6|OsVQ
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package com.tot.count; somfv$'B
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/** ;:mY JV
* [k]|Qink
* @author nVD Xj
*/ T!Sj<,r+j
public class CountBean { eu'1H@vX(
private String countType; .~}z4r
int countId; j|e[s ?d
/** Creates a new instance of CountData */ X-B8MoG|
public CountBean() {} y5m!*=`l`
public void setCountType(String countTypes){ H0*5_OJ!i
this.countType=countTypes; dZGbC 9
} MF[z-7
public void setCountId(int countIds){ jK8'T_Pah
this.countId=countIds; V8O.3fo`[`
} &!35/:~uD
public String getCountType(){ 4B?!THjk
return countType; ~k'V*ERNSj
} >m_v5K
public int getCountId(){ &2EBk= X
return countId; e@F|NCQ.9
} r-w2\ 2
} tLcEl'Eo
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CountCache.java WP-jtZ?!"
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/* ,f:
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* CountCache.java ]#<
* s>z2 k
* Created on 2007年1月1日, 下午5:01 _ ^7|!(Sz
* LEh)g[
* To change this template, choose Tools | Options and locate the template under v\ZBv zd
* the Source Creation and Management node. Right-click the template and choose p-GT`D
* Open. You can then make changes to the template in the Source Editor. fY2wDD
*/ |ZU#IQVQfn
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package com.tot.count; uC~g#[I QM
import java.util.*; .9LL+d
/** |ia@,*KD
* ykq'g|
* @author iilyw_$H
*/ ;Mj002.\G
public class CountCache { wVi%oSfM
public static LinkedList list=new LinkedList(); :G'xi2bs
/** Creates a new instance of CountCache */ ~"ONAX
public CountCache() {} bdV3v`
public static void add(CountBean cb){ oVZ4bRl
if(cb!=null){ nR8]@c C
list.add(cb); Y~oT)wTU
} Rq7p29w
} -Gsl[Rc0H;
} j"<Y!Y3
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CountControl.java ~4
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