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: 0ud>oh4WPR
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CountBean.java h|t\rV^
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/* #^oF^!
* CountData.java (qXl=e8
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* Created on 2007年1月1日, 下午4:44 8|iMD1
* sz+Uq]Mn
* To change this template, choose Tools | Options and locate the template under VyL|d^'f_
* the Source Creation and Management node. Right-click the template and choose J?N9*ap)
* Open. You can then make changes to the template in the Source Editor. o@g/,V $
*/ E?Ofkc$q
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package com.tot.count;
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/** w_eUU)z
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* @author 9F"Q2^l'
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public class CountBean { L=WB'*N
private String countType; 4\%XC
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int countId; mrz@Y0mgL
/** Creates a new instance of CountData */ :Y ;\1J<b1
public CountBean() {} LQrm/)4bF5
public void setCountType(String countTypes){ Ghpk0ia%d
this.countType=countTypes; eEG]JH
} gELb(Y\ak
public void setCountId(int countIds){ Jz6,2,LN
this.countId=countIds; '}q1 F<&
} %/x%hs;d
public String getCountType(){ znl_~:.4]X
return countType; Tx'ctd#Y
} N$SJK
public int getCountId(){ !,3U_!
return countId; ^ M4-O~
} K'zG[[P
} {l -V
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CountCache.java Z'I0e9Jw
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/* @)YQiE$
* CountCache.java XUyoZl?
* ib%x&?||
* Created on 2007年1月1日, 下午5:01 \7Fkeo+
* 2i3& 3oz]O
* To change this template, choose Tools | Options and locate the template under pD>^Dfd
* the Source Creation and Management node. Right-click the template and choose Ma`Goi\vFk
* Open. You can then make changes to the template in the Source Editor. ?hQ,'M2
*/ WaRYrTDv64
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package com.tot.count; M%NapK
import java.util.*; GI:$(<
/** *jF VYg
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* @author >O{/%(9
*/ uF=x o`=|
public class CountCache { yNb
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public static LinkedList list=new LinkedList(); sC .R.
/** Creates a new instance of CountCache */ D<