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: qraSRK5
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CountBean.java 6V$Avg\6\
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/* ,vr? 2k
* CountData.java HJ9Kz^TnC
* t_o['F
* Created on 2007年1月1日, 下午4:44 _dqzB$JV
* ~5NXd)2+Ks
* To change this template, choose Tools | Options and locate the template under Zq^At+8+
* the Source Creation and Management node. Right-click the template and choose +[M6X}
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* Open. You can then make changes to the template in the Source Editor. [A~y%bI"
*/ i`(XLi}k
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package com.tot.count; =m!-m\B/
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/** |z9*GY6RU
* ZGBd%RWjG_
* @author / kE6@
*/ M||+qd W!
public class CountBean { *{YlN}vA
private String countType; Bc(Y(X$PK
int countId; 0]'7_vDs|
/** Creates a new instance of CountData */ \.0^n3y
public CountBean() {} VU#`oJ:{
public void setCountType(String countTypes){ 3-[q4R
this.countType=countTypes; q8FTi^=Kb
} 0pK=o"^?@
public void setCountId(int countIds){ T5R-B=YWu
this.countId=countIds; ;ic3).H
} |LRedD7n
public String getCountType(){ {
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return countType; iJ-23_D
} #H)vK"hF
public int getCountId(){ tClg*A;|B
return countId; lNy.g{2f<m
} ;!=G
} ,$@bE
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CountCache.java VF&(8X\
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/* A0/"&Ag]
* CountCache.java lAS#874dE
* 9Z|jxy
* Created on 2007年1月1日, 下午5:01 44gPCW,u
* cA2V2S)
* To change this template, choose Tools | Options and locate the template under - \5v^l
* the Source Creation and Management node. Right-click the template and choose O@tU.5*$5
* Open. You can then make changes to the template in the Source Editor. lsgh#x
*/ ],>@";9u"
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package com.tot.count; a+[RS]le
import java.util.*; HU1h8E$-
/** Tre]"2l
* ;%B(_c
* @author bk[U/9Z\
*/ Pj[PIz
public class CountCache { wu7Lk3
public static LinkedList list=new LinkedList(); srPWE^&