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<y$[xV
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CountBean.java Z|.. hZG
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/* 99x]DY
* CountData.java x<].mx
* SVJ3!1B,
* Created on 2007年1月1日, 下午4:44 *|cvx:GO
* pn)5neX{
* To change this template, choose Tools | Options and locate the template under Sc(2c.HO*
* the Source Creation and Management node. Right-click the template and choose mGX;JOjZ
* Open. You can then make changes to the template in the Source Editor. 59LIK&w
*/ &' Ch[Wo]H
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package com.tot.count; ~lMsD~$sO
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/** }
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* G{:L^2>
* @author &p*N8S8
*/ ,PnEDQ|l
public class CountBean { 7be?=c)+"
private String countType; ) ":~`Z*@
int countId; }'3V(;9
/** Creates a new instance of CountData */ WZZD
public CountBean() {} 2>mDT
public void setCountType(String countTypes){ umj7-fh
this.countType=countTypes; v/)dsSNZ0u
} ){/y-ixH
public void setCountId(int countIds){ WW&0FugY_
this.countId=countIds; ~k&b3-A}
} 6SpkeXL
public String getCountType(){ N$.''D?7D
return countType; edch'H^2+P
} 3Vhm$y%Td
public int getCountId(){ joa$Y6
return countId; h/X),aK3
} aJ2-BRn
} }[1I_)
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CountCache.java y|X[NSA
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/* U*zjEY:A
* CountCache.java ^LZU><{';
* _M7AQ5
* Created on 2007年1月1日, 下午5:01 R+5x:mpHy
* ^ c:(HUo#
* To change this template, choose Tools | Options and locate the template under K }r%OOn0
* the Source Creation and Management node. Right-click the template and choose
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* Open. You can then make changes to the template in the Source Editor. P
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*/ [
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package com.tot.count; nU/v(lN
import java.util.*; <^M`U>
/** !Y5O3^I=u
* -O{Af
* @author ybfNG@N*
*/ }F-W OQ
public class CountCache { BK,=(;d3
public static LinkedList list=new LinkedList(); D=e&"V a
/** Creates a new instance of CountCache */ TfMuQ i'>
public CountCache() {} op[5]tjL
public static void add(CountBean cb){ NoV2<m$
if(cb!=null){ 4"0`J
list.add(cb); poeKY[].
} 6kHAoERp
} iN_G|w[d
} !J.qH%S5
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CountControl.java U$qSMkj6RK
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/* qbmy~\ZY
* CountThread.java MAhcwmZNy
* J-hP4t&x
* Created on 2007年1月1日, 下午4:57 T0v;8Ee
* u3Ua>A-
* To change this template, choose Tools | Options and locate the template under
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* the Source Creation and Management node. Right-click the template and choose x# 0(CcKK
* Open. You can then make changes to the template in the Source Editor. &p0*:(j
*/ ]7Tjt A.\q
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