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: TM)INo^
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CountBean.java Na0^csPm
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/* aI=p_+.h
* CountData.java 'S`l[L:.8
* uNyU]@R<W
* Created on 2007年1月1日, 下午4:44 I\l&'Q^0@
* _{[6hf4p
* To change this template, choose Tools | Options and locate the template under [D"6&
* the Source Creation and Management node. Right-click the template and choose z|#*c5Y9w
* Open. You can then make changes to the template in the Source Editor. ?P
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*/ wC1pfXa
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package com.tot.count; P5Xp #pa
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/** IiPX`V>RC
* [\8rh^LFi
* @author I9X\@lTf
*/ @6;OF5VsQ
public class CountBean { `<7\Zl
private String countType; $$9H1)Ny
int countId; jSI1tW8
/** Creates a new instance of CountData */ @:N8V[*u
public CountBean() {} PCT&d)}
public void setCountType(String countTypes){ zL"e .
this.countType=countTypes; <.h7xZ
} WVP?Ie8
public void setCountId(int countIds){ "N+4TfXy
this.countId=countIds; 2F4<3k!&
} WtOjPW
public String getCountType(){ o,7|=.-b
return countType; T?8BAxC?K
} de:@/-|
public int getCountId(){ f"Sp.'@
return countId; KuR]X``2
} Y@FYo>0O
} l2F#^=tp
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CountCache.java /YJo"\7
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/* /~,*DH$)
* CountCache.java Ao K9=F}
* <"3q5ic/Z
* Created on 2007年1月1日, 下午5:01 [jgVN w""D
* hK?GIbRZ
* To change this template, choose Tools | Options and locate the template under "r^RfZ;
* the Source Creation and Management node. Right-click the template and choose <B6md
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* Open. You can then make changes to the template in the Source Editor. - Jaee,P
*/ ZF7n]LgSc&
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package com.tot.count; PQaTS*0SXJ
import java.util.*; xlv(PVdn
/** Gu$/rb?
* e$9a9twl
* @author L^qCE-[
*/ w%L4O;E]*{
public class CountCache { fI1CT)0<e
public static LinkedList list=new LinkedList(); >CvhTrPI
/** Creates a new instance of CountCache */ byM%D$R
public CountCache() {} P^te
public static void add(CountBean cb){ ?`RlYu
if(cb!=null){ /pF8S!,z
list.add(cb); d+DO}=]
} ;hQ[-
} j/t%7,
} 8ZtJvk`
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CountControl.java @`[e1KQ
{
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/* ]xRR/S4
* CountThread.java i!YfR]"}
* .@{v{
* Created on 2007年1月1日, 下午4:57 :!Ci#[g
* (wu'FFJp#
* To change this template, choose Tools | Options and locate the template under Kw-<