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: E=Z;T
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CountBean.java $UgQ1Qc
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/* jzRfD3_s
* CountData.java Pfy2PpA
* +`;YK7o
* Created on 2007年1月1日, 下午4:44 H9 d!-9I
* -pWnO9q
* To change this template, choose Tools | Options and locate the template under 2`D1cX
* the Source Creation and Management node. Right-click the template and choose x1g0_&F
* Open. You can then make changes to the template in the Source Editor. D..dGh.MY
*/ 3~Qvp )~
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package com.tot.count; k!{0ku}]
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/** QkEIV<T&)l
* -k$*@Hq
* @author \I!C`@0
*/ 5PaOa8=2f
public class CountBean { Z*9Qeu-N:
private String countType; \Lp|S:u
int countId; pZpAb+
/** Creates a new instance of CountData */ 9VEx0mkdd
public CountBean() {} o09)esy
public void setCountType(String countTypes){ {F Ir|R&
this.countType=countTypes; #84<aM
} TLBIM
public void setCountId(int countIds){ L7~9u|7a#
this.countId=countIds; f!3$xu5
} [Pn(d[$z
public String getCountType(){ xJ2DkZ
return countType; tWBfIHiha
} Hr?_`:
public int getCountId(){ MF7q*f
return countId;
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} mz|#K7:
} I$rnW
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CountCache.java KdBE[A-1^M
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/* G*oqhep
* CountCache.java <BUKTRq
* ?+Q?K30:
* Created on 2007年1月1日, 下午5:01 hI+mx
* K\bA[5+N
* To change this template, choose Tools | Options and locate the template under ?h7,q*rxk
* the Source Creation and Management node. Right-click the template and choose xsPY#
* Open. You can then make changes to the template in the Source Editor. u$vA9g4
*/ xI'sprNa_1
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package com.tot.count; GN&-`E]-
import java.util.*; lk<}`#( g
/** .B9i`)0
* ~8A !..Z
* @author Rxl )[\A*
*/ u3[A~V|0=
public class CountCache { X:0-FCT;\
public static LinkedList list=new LinkedList(); GLS`1!
/** Creates a new instance of CountCache */ sI&|qK-(
public CountCache() {} +NM`y=@@
public static void add(CountBean cb){ _J N$zZ{
if(cb!=null){ 9'{i |xG
list.add(cb); nQHQVcDs8
} \DgWp:|
} %UO ;!&K
} hFLLg|@
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CountControl.java /'g/yBY
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/* $-J=UT2m
* CountThread.java $K'A_G^
* IXz)xdP
* Created on 2007年1月1日, 下午4:57 RaX:&PE
* Z1&<-T_
* To change this template, choose Tools | Options and locate the template under It@1!_tO2
* the Source Creation and Management node. Right-click the template and choose 2B!Bogs
* Open. You can then make changes to the template in the Source Editor. P c'0.4
*/ 79Y;Zgv
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package com.tot.count; S0zk<