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: _kl.zw%
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CountBean.java xl@l<
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/* ^KhA\MzY
* CountData.java wz31e!/
* 6",1JH,;p
* Created on 2007年1月1日, 下午4:44 <i`Ipj
* =l&7~
* To change this template, choose Tools | Options and locate the template under y} AkF2:
* the Source Creation and Management node. Right-click the template and choose mu04TPj
* Open. You can then make changes to the template in the Source Editor. ]wWN~G)2lV
*/ `omZ'n)
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package com.tot.count; R
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/** ^aN;M\
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* @author K/KZ}PI-O
*/ U-#wFc2N
public class CountBean { I0.{OJ-
private String countType; SaMg)s~B
int countId; Ly/"da
/** Creates a new instance of CountData */ nJY#d;
public CountBean() {} O8"kIDr-
public void setCountType(String countTypes){ L+7L0LbNU
this.countType=countTypes;
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} Ey A}
public void setCountId(int countIds){ uj,YCJ8UZs
this.countId=countIds; *KN ' 0Z@W
} ZGf R:a)wc
public String getCountType(){ 3|8\,fO?
return countType; qd(C%Wk
} oOUL<ihe?
public int getCountId(){ ,1EyT>
return countId; u;H SX
} Eb{Zm<TP
} A?<R9A
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CountCache.java }p$>V,u
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/* !#`
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* CountCache.java py VTA1
* I9rWut@+
* Created on 2007年1月1日, 下午5:01 wO/}4>\
* URdCV{@42
* To change this template, choose Tools | Options and locate the template under Lqq
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* the Source Creation and Management node. Right-click the template and choose ;D&FZ|`(u
* Open. You can then make changes to the template in the Source Editor. [Nbs{f^J=
*/ vx62u29m
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package com.tot.count; +KgLe> -}
import java.util.*; FY+0r67]
/** w4P?2-kB
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* @author Q^>"AhOiU
*/ / CEn yE/
public class CountCache { 8+5#FC7
public static LinkedList list=new LinkedList(); 9`VgD<?v
/** Creates a new instance of CountCache */ Fy37I/#)r&
public CountCache() {} c1B<