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: {Gxe%gu6K
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CountBean.java gk ]QR.
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/* "gM^o
* CountData.java V+d_1]
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* U"oNJ8&%|
* Created on 2007年1月1日, 下午4:44 |WS)KR !
* n*4`Tduu^
* To change this template, choose Tools | Options and locate the template under FLZ9pb[T
* the Source Creation and Management node. Right-click the template and choose }D/+YG
* Open. You can then make changes to the template in the Source Editor. 0=d2_YzSf
*/ EM,C
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package com.tot.count; "kg`TJf=
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/** Z`Yt~{,Q
* pwUXM?$R
* @author Qm%F]nyy
*/ `-NK:;^
public class CountBean { `:/'")+@v
private String countType; u\R?(G&
int countId; K}*ets1s}
/** Creates a new instance of CountData */ d@%"B($nR
public CountBean() {} bbm\y] !t
public void setCountType(String countTypes){ 5*0zI\
this.countType=countTypes; jX53 owZ
} kmB!NxF>)F
public void setCountId(int countIds){ m 2H4V+M+
this.countId=countIds; JJ.8V72;!Z
} -(VJ,)8t2
public String getCountType(){ ul{x|R
return countType; mh
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} Ts iJK
public int getCountId(){ |diI(2w
return countId; qHtQ4_Zn;
} R!nf^*~
} ?u|??z%
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CountCache.java j0=6B
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/* (Wzp sDte
* CountCache.java ju~$FNt8R
* Gvb2>ZN
* Created on 2007年1月1日, 下午5:01 Lp`.fn8Ln
* x`CjFaE~F
* To change this template, choose Tools | Options and locate the template under Z9{~t
* the Source Creation and Management node. Right-click the template and choose Hq@+m!
* Open. You can then make changes to the template in the Source Editor. !oLn=
*/ :uL<UD,vu3
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package com.tot.count; O&%'j
import java.util.*; +ikSa8)*i
/** 9u=A:n\
* HR>Y?B{
* @author p8Vqy-:
*/ OvfluFu7
public class CountCache { F!z0N
public static LinkedList list=new LinkedList(); .ZXoRT
/** Creates a new instance of CountCache */ 1 $E(8"l
public CountCache() {} vEv kC
public static void add(CountBean cb){ m*0YMS>Y |
if(cb!=null){ 7vRtTP
list.add(cb); =?sG~
} /\J0)V
} @!ChPl
} c-Gp|.C
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CountControl.java 0b&