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: r,<p#4(>_
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CountBean.java <CcSChCg
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/* $ghlrV;:ct
* CountData.java en"\2+{Cg
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* Created on 2007年1月1日, 下午4:44 Xf;_r+;
* V
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* To change this template, choose Tools | Options and locate the template under jA? 7>"|
* the Source Creation and Management node. Right-click the template and choose yR% l[/ X
* Open. You can then make changes to the template in the Source Editor. d"=)=hm!
*/ )GfL?'Z
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package com.tot.count; `i
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/** v]'\]U^
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* @author RGLJaEl !
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public class CountBean { qL?$u07<9'
private String countType; FMtg7+Q|>
int countId; C1uV7t*\
/** Creates a new instance of CountData */ {wl7&25
public CountBean() {} -bgj<4R$p
public void setCountType(String countTypes){ G '%ZPh89
this.countType=countTypes; y5j ;Daq
} ~J0r%P
public void setCountId(int countIds){ R].xT-1
this.countId=countIds; @dn&M9Z
} ;>%wf3e
public String getCountType(){ QuBA'4ht
return countType; RNopx3
} ',1[rWyc
public int getCountId(){ \('WS[$2
return countId; ?^ R"a##
} `[&%fTW+
} ` Nv1sA#C
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CountCache.java kZ0z]Y
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/* h05BZrE
* CountCache.java YB_fy8Tfx
* B@ >t$jK
* Created on 2007年1月1日, 下午5:01 On(.(7sNc
* Q yhu=_&
* To change this template, choose Tools | Options and locate the template under 5~OKKSUmT
* the Source Creation and Management node. Right-click the template and choose d/b\:[B@
* Open. You can then make changes to the template in the Source Editor. `NQ;|!
*/ y~z&8XrH
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package com.tot.count; .dn#TtQv
import java.util.*; or"9I1o
/** u
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* @author hGI5^!Cq
*/ 8yybZ@
public class CountCache { \' &,9lP
public static LinkedList list=new LinkedList(); R*H-QH/H1
/** Creates a new instance of CountCache */ bduHYs+rq
public CountCache() {} hb(H-`16
public static void add(CountBean cb){ "g/UpnH
if(cb!=null){ K."W/A!
list.add(cb); Rl
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} /2cn`dR,
} }%c0EY'
} &w{z
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CountControl.java -,ojZFyRi
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/* 39x
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* CountThread.java a :CeI
* OX}ZdM!&f
* Created on 2007年1月1日, 下午4:57 O' Mma5
* @P">4xVX{
* To change this template, choose Tools | Options and locate the template under z"*3p8N
* the Source Creation and Management node. Right-click the template and choose u63Q<P<