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: ?<l,a!V'6
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CountBean.java \U0p?wdr:
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/* Eed5sm$H
* CountData.java *s"dCc
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* Created on 2007年1月1日, 下午4:44 ,dG2[<?o
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* To change this template, choose Tools | Options and locate the template under <![]=~z$
* the Source Creation and Management node. Right-click the template and choose e{~3&
* Open. You can then make changes to the template in the Source Editor. 0rjH`H]M
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package com.tot.count; me7?
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/** )Hp{8c
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* @author ks=l
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public class CountBean { I`~ofq?r
private String countType; =Z($n:m=*
int countId; + \DGS
/** Creates a new instance of CountData */ CfSpwkg
public CountBean() {} {5$.:Y
public void setCountType(String countTypes){ U1Z.#ETnM
this.countType=countTypes; 4}4K6y<q
} h]DS$WZ
public void setCountId(int countIds){ {NS6y \,
this.countId=countIds; 78iu<L+If
} vp4l g1/
public String getCountType(){ EEU)eltI
return countType; EqN_VT@
} RP"YSnF3
public int getCountId(){ *G<K@k
return countId; Ed(6%kd
}
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} 4FWb5b!A=
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CountCache.java }i"\?M
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/* '`/Qr~]
* CountCache.java :#?Z)oQpT
* `<0{U]m
* Created on 2007年1月1日, 下午5:01 M[C9P.O%w
* E% ?X-$a
* To change this template, choose Tools | Options and locate the template under @Qlh
* the Source Creation and Management node. Right-click the template and choose rYp]RX>
* Open. You can then make changes to the template in the Source Editor.
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*/ \fHtk _
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