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: C
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CountBean.java P$#{a2
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/* ,X}Jpi;/
* CountData.java uD4j.%
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* Created on 2007年1月1日, 下午4:44 brEA-xNWQ
* 952l1c!
* To change this template, choose Tools | Options and locate the template under F[)5A5+:Y
* the Source Creation and Management node. Right-click the template and choose -gB9476-
* Open. You can then make changes to the template in the Source Editor. h.jO3q
*/ ;~-M$a
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package com.tot.count; g\]~H%2 ,
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/** ?egZkg=U
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* @author He*c=^8k
*/ CB^.N>'
public class CountBean { Tfp^h~&u
private String countType; _=_<cgy1u
int countId; ipC
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/** Creates a new instance of CountData */ (vFO'jtcB-
public CountBean() {} bm poptfL
public void setCountType(String countTypes){ kRqe&N e
this.countType=countTypes; Ay0.D FL
} Z(I=KBI
public void setCountId(int countIds){ 4 '5|YGQj
this.countId=countIds; ha?M[Vyw4Q
} dJ{q}U
public String getCountType(){ iAo/Dnp2J
return countType; ]j0/.pG
} $38)_{
public int getCountId(){ N/78Ub
return countId; k~*%Z!V}C
} .Ta (v3om%
} )&j@ ={0
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CountCache.java ?$#P
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/* 8j)*T9
* CountCache.java _<KUa\
* =&F~GCZ>
* Created on 2007年1月1日, 下午5:01 R PdFLC/
* :%>)S
* To change this template, choose Tools | Options and locate the template under )4TP{tp
* the Source Creation and Management node. Right-click the template and choose E[cH/Rm
* Open. You can then make changes to the template in the Source Editor. u|cP&^S
*/ F:og :[
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package com.tot.count; SuXeUiK.[
import java.util.*; '+\t,>nRkl
/** x~Dj2F ]
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* @author IGOEqUw*
*/ 82iFk`)T
public class CountCache { sYbmL`{
public static LinkedList list=new LinkedList(); SBI*[
/** Creates a new instance of CountCache */ nS](d2
public CountCache() {} .C` YO2,
public static void add(CountBean cb){ zpjE_|
if(cb!=null){ ?a-5^{{
list.add(cb); k [LV^oEg
} }T-'""*
} M!aJKpf
} &["e1ki
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CountControl.java ]h,iyWSs
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/* Sm{> 8e}UE
* CountThread.java 2 w6iqLr?
* &M: