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: !6_lD0
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CountBean.java @=o1q=5@8
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/* bSmF"H0cP
* CountData.java FY%v \`@1*
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* Created on 2007年1月1日, 下午4:44 XGE:ZVpW
* tqLn A
* To change this template, choose Tools | Options and locate the template under j?Ki<MD1
* the Source Creation and Management node. Right-click the template and choose [; M31b3
* Open. You can then make changes to the template in the Source Editor. [u[`!L=
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package com.tot.count; tjZ.p.IlG
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/** %MyA;{-F6
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* @author jRN*W2]V
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public class CountBean { U krqHHpy
private String countType; W69
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int countId; "oZ]/(
/** Creates a new instance of CountData */ %FnaS
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public CountBean() {} m%ZJp7C
public void setCountType(String countTypes){ J_tj9+r^
this.countType=countTypes; eCB(!Y|
} 1aKYxjYM
public void setCountId(int countIds){ ?vL\VI9
this.countId=countIds; *z4n2"<l
} LjUBV_J
public String getCountType(){ y3T-^
return countType; Y(IT#x?p
} 6zK8-V?9F
public int getCountId(){ wH1E7LY|R
return countId; 6zs&DOB
} Eq-fR~<9
} }B2H)dG^K
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CountCache.java UJG)-x
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/* Bb[%?~
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* CountCache.java v{Cts3?Br
* !}wJ+R ^2
* Created on 2007年1月1日, 下午5:01 n k]tq3.[
* U#G[#sd> K
* To change this template, choose Tools | Options and locate the template under 7"F
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* 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. b u%p,u!
*/ M.1bRB
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package com.tot.count; BMU}NZA
import java.util.*; kzr9-$eb
/**
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* 6'W79
* @author [0CoQ5:d?&
*/ #M*h)/d[A
public class CountCache { kXS_:f;M
public static LinkedList list=new LinkedList(); tr"iluwGc
/** Creates a new instance of CountCache */ vC~];!^
public CountCache() {} F7J-@T<
public static void add(CountBean cb){ qF=D,Dlz
if(cb!=null){ &
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list.add(cb); ?KpHvf'
} N;tUrdgQ
} >FPE%X0+
} \1D~4Gz6}
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CountControl.java ~PaD _W#xP
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/* RL |.y~
* CountThread.java L~A"%T,/h
* T[>h6d
* Created on 2007年1月1日, 下午4:57 ,GXwi|Y
* &H,5f#
* To change this template, choose Tools | Options and locate the template under qa#Fa)g*
* the Source Creation and Management node. Right-click the template and choose 6FG h=~{3,
* Open. You can then make changes to the template in the Source Editor. t
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*/ &W