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: bD?gwhAKA
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CountBean.java 2>f3nW
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/* n6 wx/:
* CountData.java S'`RP2P
* '@5x=>
* Created on 2007年1月1日, 下午4:44 uc LDl
* 8"rK
* To change this template, choose Tools | Options and locate the template under l9n$cv^
* the Source Creation and Management node. Right-click the template and choose
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* Open. You can then make changes to the template in the Source Editor. XANJ A
*/ UJjtDV3@_g
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package com.tot.count; YoZd,} i
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/** ry+|gCZ
* {mLv?"M]
* @author ~+PK Ws'}F
*/ `%~f5<
public class CountBean { }4Q3S1|U
private String countType; 3TN'1D ei
int countId; X5= Ki
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/** Creates a new instance of CountData */ Fxn=+Xgg
public CountBean() {} v7v>
public void setCountType(String countTypes){ CY"i|s
this.countType=countTypes; !e~d,NIy
} M>i *e
public void setCountId(int countIds){ oWggh3eXk
this.countId=countIds; d
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} QaXdO=3
public String getCountType(){ mS.!lkV
return countType; wQM( |@zE}
} !Nbi&^k B
public int getCountId(){ ]SN5&S
return countId; }IQ! [T5
} (~(FQ:L%U
} Z*(OcQ-
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CountCache.java QwuSo{G
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/* S)"vyGv
* CountCache.java $>Gf;k
* 6K >(n
* Created on 2007年1月1日, 下午5:01 lxBcO/
*
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* To change this template, choose Tools | Options and locate the template under VotI5O $
* the Source Creation and Management node. Right-click the template and choose 1M[|9nWUC
* Open. You can then make changes to the template in the Source Editor. S Z &[o&H
*/ F^!mgU X
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package com.tot.count; 5KssfI
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import java.util.*; wHQYBYKcd
/** ul"Z%
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* @author fJi?~[5<
*/ ])WIw'L!
public class CountCache { 9y)}-TcSpY
public static LinkedList list=new LinkedList(); XLm@, A[
/** Creates a new instance of CountCache */ ">nFzg?Y
public CountCache() {} ^AO2%09.S
public static void add(CountBean cb){ Fd._D"
if(cb!=null){ 1i Q(q\%
list.add(cb); ]O~/k~f
} h5))D!
} |^GN<