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: %dw@;IZ#8{
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CountBean.java n j0!
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/* <xv@us7
* CountData.java Y|stxeOC
* 3\JEp,5
* Created on 2007年1月1日, 下午4:44 sT
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* s"gNHp.oF
* To change this template, choose Tools | Options and locate the template under Te_%r9P|2
* the Source Creation and Management node. Right-click the template and choose Y- esD'MD
* Open. You can then make changes to the template in the Source Editor. js^+ {~
*/ K8,Q^!5]"
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package com.tot.count; X+dLk(jI`u
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/** X"lPXoCN
* s_:7dD
* @author T8'm{[C
*/ $z[FL=h)?+
public class CountBean { #$-{hg{
private String countType; ^E-BB 6D
int countId; Fp=O:]
/** Creates a new instance of CountData */ tr?U/YG
public CountBean() {} C^QpVt-T
public void setCountType(String countTypes){ dA03,s
this.countType=countTypes; ]40@yrc
} VO
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public void setCountId(int countIds){ |f67aN
this.countId=countIds; =2J^
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} WtS5i7:<Y
public String getCountType(){ \P~h0zg?
return countType; 05SK$
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} g$S|CqRG
public int getCountId(){ z}.Q~4 f0D
return countId; Rq`d I~5!b
} "WF@T
} +YD_ L
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CountCache.java ){}1u ?
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/* Ie"eqO!
* CountCache.java 6Cj$x.-K
* ~CX1WPMI:
* Created on 2007年1月1日, 下午5:01 0]k-0#JM
* BWF>;*Xro
* To change this template, choose Tools | Options and locate the template under -4Hf5!
* the Source Creation and Management node. Right-click the template and choose Fswr @du
* Open. You can then make changes to the template in the Source Editor. &RB{0Qhx
*/ &iI5^b-P
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package com.tot.count; M!4}B
import java.util.*; %LjhK,'h
/** XlJA}^e
* uz;zmK
* @author ~{cG"
*/ 2A&Y