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: k-/$8C
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CountBean.java 2I
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/* $qqusa}`K
* CountData.java [%pZM.jFO
*
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* Created on 2007年1月1日, 下午4:44 ~czt=
* DDEn63{
* To change this template, choose Tools | Options and locate the template under Syb:i(Y
* the Source Creation and Management node. Right-click the template and choose iGIaZ!j aW
* Open. You can then make changes to the template in the Source Editor. {iRNnh
*/ 622).N4
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package com.tot.count; l;ugrAo?
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/** j!l(ReGb
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* @author *4bV8T>0Z
*/ ]z,?{S
public class CountBean { nHX@
private String countType; ,~!lN yL
int countId; (~#9KA1A}
/** Creates a new instance of CountData */ FVHL;J]nf1
public CountBean() {} _\6-]
public void setCountType(String countTypes){ R;%iu0
this.countType=countTypes; %AFy{l
} R?(j#bk
public void setCountId(int countIds){ 7%tn+
this.countId=countIds; &fcRVku
} U"Y$7~
public String getCountType(){ QB7<$Bp
return countType; {!w]t?h
} 5BZ5Gl3
public int getCountId(){ d@<XR~);
return countId; '"&?u8u)
} A8?>V%b[Y
} \Z$*8z=
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CountCache.java 3f3?%9
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/* AQ&;y&+QR
* CountCache.java .IqS}Rh
* A6d+RAx
* Created on 2007年1月1日, 下午5:01 {_Y\Y
* :2?du
* To change this template, choose Tools | Options and locate the template under c~V\,lcI
* the Source Creation and Management node. Right-click the template and choose mxIEg?r(
* Open. You can then make changes to the template in the Source Editor. m{g{"=}YR
*/ yC
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package com.tot.count; 5)vXmAD/0
import java.util.*; jH8F^KJM[
/** >,[(icyzn
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* @author +$%o#~
*/ z)ydQw>
public class CountCache { f-Sb:O!V
public static LinkedList list=new LinkedList(); 7}Gy%SJ`
/** Creates a new instance of CountCache */ |Qm 7x[i
public CountCache() {} YRK4l\_`
public static void add(CountBean cb){ g
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if(cb!=null){ t((0]j^
list.add(cb); <v\|@@X
} *StJ5c_kg2
} A9"ho}<
} -kJ`gdS
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CountControl.java }&=C*5JN
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/* A >e%rx
* CountThread.java H*Yyo?
* <