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: s;brs}
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CountBean.java ),{v
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/* EPEWyGw
* CountData.java 8y:/!rRN
* ;x<5F+b
* Created on 2007年1月1日, 下午4:44 j1zrjhXI
* 6=cfr; BH2
* To change this template, choose Tools | Options and locate the template under 7e NLs
* the Source Creation and Management node. Right-click the template and choose LN z
* Open. You can then make changes to the template in the Source Editor. ./]xn
*/ Q};n%&n&
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package com.tot.count; <`$svM
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/** dU}Cb?]7s
* m+UWvUB)
* @author Sp7VH+
*/ R$XHjb)
public class CountBean { _0cCTQE
private String countType; A<h^.{
int countId; ai7R@~O:_k
/** Creates a new instance of CountData */ "D\>oFu
public CountBean() {} --fRh N>
public void setCountType(String countTypes){ Bd'X~Vj<
this.countType=countTypes; ?"F9~vx&G
} ol0i^d*9F
public void setCountId(int countIds){ nxWm
this.countId=countIds; @4t_cxmD
} = K)[3mXX
public String getCountType(){ {EfA#{x
return countType; QdIx@[+WOq
} H(hE;|q/
public int getCountId(){ HLe/|x\@<
return countId; 4 s
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} c"O4=[N: ;
} a(J@]X>'
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CountCache.java Sj ly]
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/* <ni_78
* CountCache.java M zFFWk
* DsB30
* Created on 2007年1月1日, 下午5:01 Ucx"\/"
* z!M #
* To change this template, choose Tools | Options and locate the template under p4F%FS:`
* the Source Creation and Management node. Right-click the template and choose x H\!j
* Open. You can then make changes to the template in the Source Editor. eJ*u]GH U
*/ t$Bu<frQ
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package com.tot.count; 8J#U=qYei
import java.util.*; /[=Yv!
/** ZaBmH|k
* qzj.N$9]
* @author +v2)'?BS
*/ ^w!1QH0:/
public class CountCache { _/czH<
public static LinkedList list=new LinkedList(); sYq:2Wn>8Q
/** Creates a new instance of CountCache */ yV~TfTJ
public CountCache() {} 3'Hz,qP
public static void add(CountBean cb){ +CVB[r#hu
if(cb!=null){ M}!
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list.add(cb); n^q%_60H
} |KR8=-!7
} lak,lDt]
} ~.tl7wKkR/
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CountControl.java 4tEAi4H|`@
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/* eZoAy[
* CountThread.java fikDpR
* 85f:!p
* Created on 2007年1月1日, 下午4:57 LOgFi%!6:
* !kG |BJ$j
* To change this template, choose Tools | Options and locate the template under naro
* the Source Creation and Management node. Right-click the template and choose v.&c1hK