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: apXq$wWq{D
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CountBean.java bZ)Jgz
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/* WW.=>]7;
* CountData.java BshS@"8r
* e=U7w7(s9
* Created on 2007年1月1日, 下午4:44 /dAIg1ra
* @4pN4v8U
* To change this template, choose Tools | Options and locate the template under fg2}~02n
* the Source Creation and Management node. Right-click the template and choose N.]8qzW
* Open. You can then make changes to the template in the Source Editor. 51A>eU|
*/ ]Q+Tm2{
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package com.tot.count; R[b?kT-%
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/** Z`D#L[z$
* |b@-1
* @author &Z?uK, 8
*/ QL3%L8
public class CountBean { # 8A|-u=3
private String countType; wS4zAu
int countId; : v]< h
/** Creates a new instance of CountData */ g)zy^aDf
public CountBean() {} q8U]Hyp(`
public void setCountType(String countTypes){ z;-2xD0&U[
this.countType=countTypes; a}yJ$6xi
} Gc>\L3u
public void setCountId(int countIds){ iVD9MHT4
this.countId=countIds; qhogcAvE
} bAgKOfT
public String getCountType(){ OHB!ec6W
return countType; XG0,@Ly
} tw;`H( UZ^
public int getCountId(){ 1\1o65en
return countId; h'
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} Tsa&R:SE
} F](kU#3"S
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CountCache.java t{$t3>p-t
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/* P/27+5(|
* CountCache.java "`lRX
* rVkHo*Q
* Created on 2007年1月1日, 下午5:01 X{)M}WO+r
* WHU&9N
* To change this template, choose Tools | Options and locate the template under VBOq~>V6(v
* the Source Creation and Management node. Right-click the template and choose Ls9G:>'rR
* Open. You can then make changes to the template in the Source Editor. il*bsnwpZv
*/ `A#r6+
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package com.tot.count; vsc&$r3!5{
import java.util.*; &cZD{Z
/** Zcc6E2
* ifuVV Fov
* @author %hY+%^k.
*/ &D/_@\ 0
public class CountCache { hd\iW7
public static LinkedList list=new LinkedList(); vQA: \!
/** Creates a new instance of CountCache */ BONM:(1
public CountCache() {} *NDzU%X8
public static void add(CountBean cb){ tvI~?\Ylj
if(cb!=null){ =\tg$
list.add(cb); %6 Bt%H
} U:ZklDW
} N~SG=\rP;o
} Dk:Zeo]+my
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CountControl.java 2&dtOyxo>
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/* Kg9REL@,s
* CountThread.java qW),)i
* --y.q~d
* Created on 2007年1月1日, 下午4:57 7)~/`w)P
* hb`(d_= 7F
* To change this template, choose Tools | Options and locate the template under |FH/Q-7[
* the Source Creation and Management node. Right-click the template and choose koe&7\ _@
* Open. You can then make changes to the template in the Source Editor. y2&G0