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: B!+rO~
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CountBean.java (w[#h9j
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/* 3V uoDmG
* CountData.java RD6n1Wb(@
* C fs2tN
* Created on 2007年1月1日, 下午4:44 vG'6?%38
*
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* To change this template, choose Tools | Options and locate the template under nwS @r
* the Source Creation and Management node. Right-click the template and choose u1 Z;n
* Open. You can then make changes to the template in the Source Editor. kx{LY`pY
*/ u:]c
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package com.tot.count; f4 k
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/** (/gv
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* @author $Z|HFV{
*/ b!p]\B!
public class CountBean { NMs8^O|0
private String countType; r{cmw`WA/P
int countId; DplS\}='s
/** Creates a new instance of CountData */ )fy-]Ky
*
public CountBean() {} r{ >`"
public void setCountType(String countTypes){ `uP:UQ9S
this.countType=countTypes; =Gv*yR*]t
} z`}z7e'>
public void setCountId(int countIds){ &zR\Rmpt
this.countId=countIds; b1TIVK3m
} }]#&U/z
public String getCountType(){ |lCS^bA3
return countType; =cR"_ Z[8X
} e j,)<*
public int getCountId(){ fV#,<JG
return countId; CP'b,}Dd?I
} 'kOkwGf!
} ~U r
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CountCache.java TTa$wiW7'
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/* d88Dyzz
* CountCache.java +0ALO%G;G"
* _`I}"`2H
* Created on 2007年1月1日, 下午5:01 *z'v
* &HQ_e$1
* To change this template, choose Tools | Options and locate the template under $PstEL
* the Source Creation and Management node. Right-click the template and choose ?:tk8Kgf
* Open. You can then make changes to the template in the Source Editor. %lk^(@+ T
*/ DFkDlx
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package com.tot.count; hp c &s
import java.util.*; {^D; ($lm
/** skm~~JM^
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* @author F;bkV}^
*/ GaCRo7
public class CountCache { $Ge0<6/
public static LinkedList list=new LinkedList(); o:'@|(&