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: K<J,n!zc
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CountBean.java .|O T#"LP
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/* |_TiF;^
* CountData.java >
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* Created on 2007年1月1日, 下午4:44 S oeoUI]m
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package com.tot.count; So&gDR;b
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/** XjN4EDi+E
* KmNnW1T
* @author |HmY`w6*z
*/ _^BA;S@
public class CountBean { ^K<3_D>1>
private String countType; "/zgh
int countId; b{<?E };%
/** Creates a new instance of CountData */ YCDH 0M
public CountBean() {} SI!A?34
public void setCountType(String countTypes){ !.6n=r8d
this.countType=countTypes; F{ %*(U
} @U_CnhPQq
public void setCountId(int countIds){ ef`_
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this.countId=countIds; o`iA&
} l5T[6C
public String getCountType(){ @}4aF|
return countType; P2'N4?2
} (mIjG)4t
public int getCountId(){ p]mN)
return countId; {mJ'
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} qofAA!3z
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CountCache.java vxmX5.
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/* g=t`3X#d
* CountCache.java v'i'I/
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* Created on 2007年1月1日, 下午5:01 *S}@DoXS
* $Lp [i
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* To change this template, choose Tools | Options and locate the template under WutPy_L<
* the Source Creation and Management node. Right-click the template and choose 6nL^"3@S!
* Open. You can then make changes to the template in the Source Editor. 9rMO=
*/ ^VXhv9\>B
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package com.tot.count; EX8+3>)
import java.util.*; ii?T:T@
/** @5^&&4>N
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* @author T`E0_ZU;
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public class CountCache { i% 1UUI(W
public static LinkedList list=new LinkedList(); {32m&a
/** Creates a new instance of CountCache */ 7+P;s,mi7
public CountCache() {} Wq4<9D
public static void add(CountBean cb){ ?y?9;;
if(cb!=null){ H7Q$k4\l
list.add(cb); D&):2F^9.
} ?h[HC"V/2
} {'M<dI$
} -Rpra0o.
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