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: *,:>EcDr
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CountBean.java CHeU?NtFps
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/* K\7\
* CountData.java avmuI^LLs
* f.%mp$~T
* Created on 2007年1月1日, 下午4:44 6fozc2h@x%
* -_bnGY%,
* To change this template, choose Tools | Options and locate the template under 7S_rN!E1i*
* the Source Creation and Management node. Right-click the template and choose 7<<-\7`
* Open. You can then make changes to the template in the Source Editor. ETw7/S${
*/ p5C:MA~*
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package com.tot.count; aL9yNj}2
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/** WUwH W
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* @author Q M#1XbT
*/ b'!t\m
public class CountBean { qgT~yDm
private String countType; Ry@QJn I<
int countId; `OL@@`'^{S
/** Creates a new instance of CountData */ `UC
public CountBean() {} $)1i)/]9U
public void setCountType(String countTypes){ yJCqP=
this.countType=countTypes; ^PnXnH?
} Nl[]8G};
public void setCountId(int countIds){ U7)#9qS4
this.countId=countIds; 5r*5Co+
} $>PXX32
public String getCountType(){ S'Hb5C2u
return countType; ne]P -50
} NUlp4i~Q
public int getCountId(){ LW={| 3}
return countId; xJphG
} )w?DB@Tx
} laRcEXj
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CountCache.java UlG8c~p
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/* R&>G6jZ?8
* CountCache.java KASuSg+
* {|KFgQ'\
* Created on 2007年1月1日, 下午5:01
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* e-!6m#0
* To change this template, choose Tools | Options and locate the template under #\|Ac*>
* the Source Creation and Management node. Right-click the template and choose r{cefKJHg
* Open. You can then make changes to the template in the Source Editor. (Dy6I;S
*/ YUzx,Y>k
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package com.tot.count; {iGy@?d)zt
import java.util.*; }McqoZ%F
/** {7kJj(Ue
* InO;DA\
* @author $?_/`S13
*/ /|<Pn!}J
public class CountCache { CIxa" MW
public static LinkedList list=new LinkedList(); J0ysZ]
/** Creates a new instance of CountCache */ q,i&%
public CountCache() {} .wU0F
public static void add(CountBean cb){ j*.K|77WHj
if(cb!=null){ YiO3.+H
list.add(cb); 2)~`.CD?L
} [P'"|TM[~
} fH@P&SX