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: h?jy'>T?b2
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CountBean.java @C{IgV
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/* IT5AB?bxH
* CountData.java 6?b9~xRW
* X[\b!<C
* Created on 2007年1月1日, 下午4:44 jbcJ\2
* 8`XT`H
* To change this template, choose Tools | Options and locate the template under 55)!cw4
* the Source Creation and Management node. Right-click the template and choose <*E{zr&
* Open. You can then make changes to the template in the Source Editor. 8 !]$ljg
*/ \Q7Nz2X
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package com.tot.count; p:U9#(v)
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/** B.vg2N
* :j)H;@[I
* @author F/sXr(7
*/ jFf2( AR
public class CountBean { ( >zXapb2
private String countType; qMD 6LWJ
int countId; *T'
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/** Creates a new instance of CountData */ u1s^AW8 y
public CountBean() {} kFZw"5hb
public void setCountType(String countTypes){ PXof-W
this.countType=countTypes; h4N!zj[
} J;,6ydf8!
public void setCountId(int countIds){ D ksSD
this.countId=countIds; Y4e64`V)
} h?5$-#q~
public String getCountType(){
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return countType; h<U<KO
} S'#KPzy.
public int getCountId(){ ye=*m
return countId; &;S.1tg
} t-*oVX3D
} H6X]D"Y,
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CountCache.java 2j&-3W$^
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/* KSU?Tg&JR
* CountCache.java 6*9hAnH
* 9AK<<Mge.
* Created on 2007年1月1日, 下午5:01 iD+Q\l;%
* b3N>RPsHS
* To change this template, choose Tools | Options and locate the template under =Bo (*%
* the Source Creation and Management node. Right-click the template and choose 6C@,&2<yK
* Open. You can then make changes to the template in the Source Editor. g
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*/ Jy?s'tc
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package com.tot.count; )_N|r$i\
import java.util.*; (yIl]ZN*
/** Se7NF@>9_
* W}p>jP}
* @author j_Pt8{[
*/ U?97yc\$
public class CountCache { c'B6E1}sx
public static LinkedList list=new LinkedList(); v1%rlP
/** Creates a new instance of CountCache */ )X2=x^u*U
public CountCache() {} ;Nf5,D.D
public static void add(CountBean cb){ rt)70=
if(cb!=null){ awLN>KI]</
list.add(cb); aTF~rAne<
} t<s:ut)Q!
} zBD ?O!
} N)|mA)S)
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CountControl.java n*~=O '
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/* pi7Fd\A
* CountThread.java rKEi1b
* +>mbBu!7
* Created on 2007年1月1日, 下午4:57 +ptVAg+
* 3;(;'5|Z
* To change this template, choose Tools | Options and locate the template under U/'"w
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* the Source Creation and Management node. Right-click the template and choose 7WK^eW"y8
* Open. You can then make changes to the template in the Source Editor.
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*/ <+@?V$&
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package com.tot.count; yx?Z&9z <