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: ~F!,PM/
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CountBean.java fjG&`m#"
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/* [k<1`z3
* CountData.java n3KI+I%nQ
* 4aUiXyr*2
* Created on 2007年1月1日, 下午4:44 i=S~(gp
* p3(2?UO!
* To change this template, choose Tools | Options and locate the template under 0~Gle:
* the Source Creation and Management node. Right-click the template and choose (?0`d
* Open. You can then make changes to the template in the Source Editor. 12UD19!
*/ 8LzBh_J?
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package com.tot.count; jgv`>o%<W
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/** pzZk\-0R
* `G9 l
* @author 0RFRbi@n(
*/ O+q/4
public class CountBean { pCi#9=?N
private String countType; c9"r6j2m5
int countId; IxZb$h[
/** Creates a new instance of CountData */ +Vb8f["+-
public CountBean() {} AIYmS#V1W2
public void setCountType(String countTypes){ fWnD\mx?0
this.countType=countTypes; .B2]xfo"`
} =q7Z qP
public void setCountId(int countIds){ SRIA*M.B}
this.countId=countIds; 4<dcB@v
} MK#wut
public String getCountType(){ ~^jq(:d)
return countType; !9Z r;K~\
} /AY4M;}p
public int getCountId(){ {76c%<`WaP
return countId; u$#Wv2| mk
} pKiZ)3U
} )Z 9E=%
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CountCache.java E>'a,!QPv
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/* ?'86d_8
* CountCache.java @hQlrq5c
* fWfk[(M'9
* Created on 2007年1月1日, 下午5:01 V&8VwF^-
* a7zcIwk
'{
* To change this template, choose Tools | Options and locate the template under M5nWVK7c
* the Source Creation and Management node. Right-click the template and choose BS Iy+
* Open. You can then make changes to the template in the Source Editor. 9EDfd NN
*/ *4+3ObA
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package com.tot.count; {;toI
import java.util.*; CYYkzcc^
/** S#)Eom?V
* @1.QEyXG
* @author r.3/F[.
*/ fkf1m:Ckh
public class CountCache { ,@1p$n
public static LinkedList list=new LinkedList(); x~xa6
/** Creates a new instance of CountCache */ w0w G-R ?
public CountCache() {} I2nF-JzD2a
public static void add(CountBean cb){ JJ;[,
if(cb!=null){ rSXh;\MfB4
list.add(cb);
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} IDnC<