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: 79>x/jZka
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CountBean.java z8a{M$-Q
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/* B)@Xz<Q
* CountData.java KdozB!\
* aPxSC>p
* Created on 2007年1月1日, 下午4:44 9~Sa7P
* agwbjkU/
* To change this template, choose Tools | Options and locate the template under 7WmLC
* the Source Creation and Management node. Right-click the template and choose fpQFNV
* Open. You can then make changes to the template in the Source Editor. wT!?.Y)aj
*/ `uPO+2
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package com.tot.count; wry`2_c
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/** 9J7yR}2-F
* 5(CInl
* @author Td|,3
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*/ BEb?jRMjLg
public class CountBean { Xxh^4vKjX
private String countType; Awfd0L;9
int countId; =Ks&m4
/** Creates a new instance of CountData */ @Un/,-ck
public CountBean() {} Ue Ci{W
public void setCountType(String countTypes){ [/hoNCH!
this.countType=countTypes; zu?112-v2
} -x6_HibbD
public void setCountId(int countIds){ LI}e_=E
this.countId=countIds; )2y [#Blo
} <$?#P#A
public String getCountType(){ sT1OAK\^
return countType; U3Gg:onuE
} .CEC
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public int getCountId(){ I_f%%N%
return countId; Zex~ $r
} g0biw?
} fsOlg9
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CountCache.java 31^/9lb
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/* +arh/pd_I
* CountCache.java ~_;.ZZ-H]
* YkF LNCg4}
* Created on 2007年1月1日, 下午5:01 >)Qq^?U
* _hV34:1F
* To change this template, choose Tools | Options and locate the template under _)vX_gCi
* the Source Creation and Management node. Right-click the template and choose ]vcT2lr]
* Open. You can then make changes to the template in the Source Editor. NaoOgZ?
*/ _`=qc/-0
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package com.tot.count; Ma?uB8o+~
import java.util.*; $9\8?gS
/** HHw&BN