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: gAj0ukX5
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CountBean.java ix:2Z-
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/* cW=Qh-`jU;
* CountData.java DE'Xq6#PK
* 3'.!
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* Created on 2007年1月1日, 下午4:44 HJc<Gwm
* fn3*2
* To change this template, choose Tools | Options and locate the template under Ob7zu"zr
* the Source Creation and Management node. Right-click the template and choose L^6"'#
* Open. You can then make changes to the template in the Source Editor. "pOqd8>]
*/ 6BUBk>A`
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package com.tot.count; UP}feN
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/** 2XzF k_6H
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* @author 4A;[sm^f
*/ dUI3erO
public class CountBean { Rk}\)r\
private String countType; iK ohuZr
int countId; mluW=fE
/** Creates a new instance of CountData */ NAJ '><2
public CountBean() {} |!{z?
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public void setCountType(String countTypes){ n; Lo
this.countType=countTypes; ~azF+}x90N
} >Dk1axZ!>/
public void setCountId(int countIds){ 4 U3C~J
this.countId=countIds; k&WUv0
} 5P-K *C&
public String getCountType(){ H~~7~1"x
return countType; lt }r}HM+
} :uOZjEZi
public int getCountId(){ MomLda
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return countId; G%xb0%oi]%
} W,xi>5k
} AEB/8%l};v
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CountCache.java fx]\)0n
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/* 7bctx_W&6
* CountCache.java !y.ei1diw
* Tm(Q@
* Created on 2007年1月1日, 下午5:01 3 %z
* ,O$Z,J4VL
* To change this template, choose Tools | Options and locate the template under l R:Ok8e
* the Source Creation and Management node. Right-click the template and choose *>EI2HX
* Open. You can then make changes to the template in the Source Editor. N7d17c.
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*/ ;M%oQ>].[
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package com.tot.count; |z.Gh1GCy
import java.util.*; *jYHd#UZx4
/** szf"|k!
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* @author qFvg}}^y
*/ m-:8jA?
public class CountCache { aR`_h=a
public static LinkedList list=new LinkedList(); ;k9
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/** Creates a new instance of CountCache */ E"Ya-8d=
public CountCache() {} Mfnlue](
public static void add(CountBean cb){ KC@k9e
if(cb!=null){ .OVW4svX
list.add(cb); u5xU)l3
} BP )q6?Mz
} 5*s1qA0^
} Qv9*p('~A
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CountControl.java o|R*POM
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/* &