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: {[tmz;C
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CountBean.java zps=~|
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/* Qt{){uE
* CountData.java iTq&h=(n
* Q"~%T@e
* Created on 2007年1月1日, 下午4:44 oF>`>
* Z81;Y=(
* To change this template, choose Tools | Options and locate the template under |yO%w #
* the Source Creation and Management node. Right-click the template and choose /eH37H
* Open. You can then make changes to the template in the Source Editor. VnkhY
*/ ?xH{7)dO
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package com.tot.count; (|Gwg \r
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/** rf|Nu3AJ
* ru2M"]T
* @author ,M?8s2?
*/ D
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public class CountBean { hvO$ f.i
private String countType; x$` lQ%
int countId; $Z]@N
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/** Creates a new instance of CountData */ !`H{jwH
public CountBean() {} /"st
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public void setCountType(String countTypes){ jQm~F`z
this.countType=countTypes; NYP3u_
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} ~Yg)8
public void setCountId(int countIds){ \9OKf|#j
this.countId=countIds; \RR`
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} A32Sdr'D
public String getCountType(){ ?2da6v,t
return countType; f!yl&ulKU
} -hW>1s<
public int getCountId(){ Xwo+iZ(a
return countId; "Hz%0zP&
} kP[fhOpn
} }"WovU{*s
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CountCache.java
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/* %La7);SeY
* CountCache.java )@I] Rk?
* ysK J=
* Created on 2007年1月1日, 下午5:01 ysG1{NOl
* CKZEX*mPC
* To change this template, choose Tools | Options and locate the template under H
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* the Source Creation and Management node. Right-click the template and choose oY0b8=[
* Open. You can then make changes to the template in the Source Editor. ibZ[U p?
*/ \8<[P(!3
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package com.tot.count; N".BC|r
import java.util.*; UW8yu.`?
/** 7Ko*`-p
* P.q7rk<
* @author dtY8>klI
*/ B,_K mHItd
public class CountCache { E_A5KLP
public static LinkedList list=new LinkedList(); d2i?FT>
/** Creates a new instance of CountCache */ dl8f]y#Q
public CountCache() {} wT- -i@@
public static void add(CountBean cb){ r`<e<C
if(cb!=null){ k6z
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list.add(cb); qS! Lt3+
} |-{e!&
} bws}'#-*
} t^K Qv~
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CountControl.java 12'MzIsU's
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/* tzd!r7
* CountThread.java Q.eD:@%iE
* 8(Ptse
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* Created on 2007年1月1日, 下午4:57 >gL&a#<S
* zL}`7*d:v
* To change this template, choose Tools | Options and locate the template under oXht$Q
* the Source Creation and Management node. Right-click the template and choose {ixKc
* Open. You can then make changes to the template in the Source Editor. *a\x!c"
*/ hG~.Sc:G
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