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: 1Jg&L~Ws"
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CountBean.java WPs6)8
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/* es 8%JTi
* CountData.java hm*1w6 =
* (S$ziV
* Created on 2007年1月1日, 下午4:44 M>nplHq
* rJH u~/_Dq
* To change this template, choose Tools | Options and locate the template under V*5 ~A[r
* the Source Creation and Management node. Right-click the template and choose X:+lD58
* Open. You can then make changes to the template in the Source Editor. Tf(-Duxz
*/ uDvZ]Q|.
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package com.tot.count; o *)>aw
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/** R8O;8c?D
* ;)].Dj9
* @author %MGbIMpY
*/ L}NckL
public class CountBean { !E">r
private String countType; Mhp6,JL
int countId; K,(37Id'
/** Creates a new instance of CountData */ @'>h P
public CountBean() {} %ub\+~
public void setCountType(String countTypes){ @c,Qj$\1
this.countType=countTypes; zV {_dO
} g:<2yT
public void setCountId(int countIds){ 50h?#u6?
this.countId=countIds; x.W93e[]H
} Iow45R~]
public String getCountType(){ 0}v_usP
return countType; C]H'z
} H{qQ8j)
public int getCountId(){ **p|g<wvY*
return countId; ${ fJ]
} h2~b%|Pv
} [HO=ii]Wb
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CountCache.java p+6L qk<
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/* 3>O=d>
* CountCache.java sX_6qKUH
* ^q{=mf`
* Created on 2007年1月1日, 下午5:01 CjeAO 2
* IbV 7}
* To change this template, choose Tools | Options and locate the template under Z'/sZ3Q}
* the Source Creation and Management node. Right-click the template and choose [@K#BFA
* Open. You can then make changes to the template in the Source Editor. P:Nj;Cxh
*/ FQ6jM~
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package com.tot.count; Zq[aC0%+
import java.util.*; #\DKU@|h
/** fT$Fv
* PO1|l-v<Yq
* @author >U4hsr05
*/ %v)m&VUi%
public class CountCache { znVao %b
public static LinkedList list=new LinkedList(); RxUABF8b
/** Creates a new instance of CountCache */ <