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]^`Qy)
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CountBean.java >"qnuv G
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/* H.sHXuu
* CountData.java {(r`&[
* Ii"h:GY;\
* Created on 2007年1月1日, 下午4:44 BM+v,hGY
*
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* To change this template, choose Tools | Options and locate the template under Bny3j~*U
* the Source Creation and Management node. Right-click the template and choose ZTV|rzE
* Open. You can then make changes to the template in the Source Editor. m
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*/ @ToY,@]e
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package com.tot.count; tHezS~t_
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/** OQt_nb#z`{
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* @author Q/EHvb]
*/ Y<lJj"G
public class CountBean { _U%a`%tU.
private String countType; G}B)bM2
int countId; 4L(/Z}(
/** Creates a new instance of CountData */ (=n {LMa
public CountBean() {} 3z$9jN/<u
public void setCountType(String countTypes){ "M.\Z9BCt
this.countType=countTypes; ,Y|WSKY*
} w'NL\>
public void setCountId(int countIds){ Opc, {,z6
this.countId=countIds; `Pa z
} LadE4:oy
public String getCountType(){ eH.~c3o
return countType; 9sQ7wlK
} *c<=IcA
public int getCountId(){ IbFS8 *a\
return countId; JQCQpn/
} SGi(Zkc
} 9os>k*
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CountCache.java 9$)I=Rpk=
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/* d~NvS-u7
* CountCache.java oWg"f*
* {C6,h#|pg
* Created on 2007年1月1日, 下午5:01 5U[m]W=B
* ygiZ~v4P/
* To change this template, choose Tools | Options and locate the template under O,m0Xb2s]~
* the Source Creation and Management node. Right-click the template and choose M`6rI
* Open. You can then make changes to the template in the Source Editor. 6_`9
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*/ QDO.&G2
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package com.tot.count; ^Ec);Z
import java.util.*; bb@@QzR
/** t=
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* @author b^WTX
*/ Bf
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public class CountCache { q~QB?+ x&
public static LinkedList list=new LinkedList(); s,&tD
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/** Creates a new instance of CountCache */ sFhmp
public CountCache() {} ~?l>QP|o
public static void add(CountBean cb){ -\ {.]KL
if(cb!=null){ |Nx7jGd:i
list.add(cb); |$AoI
} vumA W*
} #9Src\V
} ;JQ:S~K9
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CountControl.java pP JhF8Dt
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/* %kB84dE
* CountThread.java z"[}Sk
* l_ Eeus
* Created on 2007年1月1日, 下午4:57 (MfPu8j
* O7&