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: 3u<2~!sR
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CountBean.java [R$4n-$
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/* QWEK;kUa@
* CountData.java =Ju}{ bX
* W0k_"uI
* Created on 2007年1月1日, 下午4:44 +W`~bX+
* ,D1QJPM
* To change this template, choose Tools | Options and locate the template under b3H;Ea?^^<
* the Source Creation and Management node. Right-click the template and choose 78wcMQNX9
* Open. You can then make changes to the template in the Source Editor. Y/gCtSF
*/ o^D{WH\p
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package com.tot.count; Aj_}B.
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/** k?,g:[4!
* "$_ypgRrSR
* @author RA}PM?D/
*/ l:+1j{ d7
public class CountBean { `XQ5> c
private String countType; U,N4+F}FR
int countId; 4|qp&%9-
/** Creates a new instance of CountData */ %?seX+ne
public CountBean() {} xUYSD
public void setCountType(String countTypes){ We|*s2!
this.countType=countTypes; k6XO-a f
} Vufw:}i+^
public void setCountId(int countIds){ G>b1No3%k
this.countId=countIds; A<&9
} `#hy'S:e
public String getCountType(){ n~LR=o
return countType; 9I9)5`d|Jn
} Y+E@afsKs
public int getCountId(){ S}<(9@]z
return countId; LxbVRw
} 2-]m#}zbP
} _+U`afV
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CountCache.java /cg!Ap5
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/* `JC!uc
* CountCache.java uBM1;9h
* oq|K:<l
* Created on 2007年1月1日, 下午5:01 )S]c'}^
* rpvm].4
* To change this template, choose Tools | Options and locate the template under +1rJ ;G
* the Source Creation and Management node. Right-click the template and choose '{|87kI
* Open. You can then make changes to the template in the Source Editor. wz ,woF|
*/ /w|YNDA]j
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package com.tot.count; U|>Js!$
import java.util.*; wL{Qni3A
/** 3cnsJV]
* vO\CPb
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* @author )TxhJB5|
*/ f"[C3o2P
public class CountCache { Zy<0'k%U
public static LinkedList list=new LinkedList(); </fzBaTo
/** Creates a new instance of CountCache */ @?t) UE
public CountCache() {} }\9qN! ol
public static void add(CountBean cb){ rC'97`!K
if(cb!=null){ \d6A<(!=v
list.add(cb); <|{=O9
} x[_+U4-/
} ]WS 7l@
} ]`lTkh
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CountControl.java 8r~4iVwg
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/* ?&[`=ZVn
* CountThread.java S -im
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* ETmfy}V8
* Created on 2007年1月1日, 下午4:57 RxAZ<8T_
* z 6p.{M
* To change this template, choose Tools | Options and locate the template under
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* the Source Creation and Management node. Right-click the template and choose O)&V}hU*
* Open. You can then make changes to the template in the Source Editor. ?@tp1?)
*/ rK"x92P0
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package com.tot.count; ?(E$|A
import tot.db.DBUtils; iZ&