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: E26 zw9d
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CountBean.java BP6|^Q
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/* Ltx eT.
* CountData.java vt`V<3
* cF[L6{Oe
* Created on 2007年1月1日, 下午4:44 FC:+[.fi
* DRn]>IFU
* To change this template, choose Tools | Options and locate the template under IwfJDJJ
* the Source Creation and Management node. Right-click the template and choose 8<Y*@1*j
* Open. You can then make changes to the template in the Source Editor. W?n)IBj8
*/ ya<nD '%9
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package com.tot.count; <QUjhWxDb
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/** 7Z#r9Vr
* 3q!hY
* @author fq@r6\TI
*/ zJH#J=O
public class CountBean { B~[QmK
private String countType; ]Cfjs33H
int countId; pQGlg[i2/
/** Creates a new instance of CountData */ f(^? PGO
public CountBean() {} xH\#:DLY
public void setCountType(String countTypes){ P;V$%r`yD
this.countType=countTypes; fL #e4
} R|jt mI?
public void setCountId(int countIds){ 'UYxVh9D
this.countId=countIds; %yjz@
} 5 (Lw-_y#
public String getCountType(){ _</>`P[
return countType; JH4hy9i
} m~[4eH,
public int getCountId(){ $S_xrrE#
return countId; M x/G^yO9
} ,eI2#6w|C
} 3y[6n$U&
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CountCache.java ^dR="N
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/* B1x# 7>K
* CountCache.java =N62 ){{
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* Created on 2007年1月1日, 下午5:01 Y]xFe >
* D#=$? {w
* To change this template, choose Tools | Options and locate the template under }#u.Of`6"
* the Source Creation and Management node. Right-click the template and choose
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* Open. You can then make changes to the template in the Source Editor. !CBvFl/v
*/ Oy,7>vWQI
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package com.tot.count; !O`aaLc
import java.util.*; Lp|7s8?
/** Ft&ARTsa*
* 7s2 l 3
* @author Io|3zE*<
*/ m| /?((s
public class CountCache { hU3!
public static LinkedList list=new LinkedList(); I%^Bl:M
/** Creates a new instance of CountCache */ K1th>!JW'
public CountCache() {} 6n|R<DO%\
public static void add(CountBean cb){ :7WeR0*%
if(cb!=null){ BHNcE*U}@?
list.add(cb); b"DV8fdX
} 6T?$m7c
}
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} }{R?i,j(
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CountControl.java c#ahFpsnlw
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/* AHo4%
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* CountThread.java ?M}W;Z
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* Created on 2007年1月1日, 下午4:57 _d[4EY
* -4%{Jb-1
* To change this template, choose Tools | Options and locate the template under g<