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: vk1E!T9X
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CountBean.java W{El^')F
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/* uc~/l4~N
* CountData.java /%9Ge AAs
* xj!G9x<!
* Created on 2007年1月1日, 下午4:44 |_h$}~;
* )%zOq:{\5
* To change this template, choose Tools | Options and locate the template under 5LX'fL7zU
* the Source Creation and Management node. Right-click the template and choose gs:V4$(p4
* Open. You can then make changes to the template in the Source Editor. RE<s$B$[
*/ \jpm
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package com.tot.count; zbL8
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/** c e\|eN[
* Ovhd%qV;Y
* @author o0)k5P~<~
*/ O{{\jn|lR
public class CountBean { +7V4mF!u
private String countType; W1!Nq`
int countId; HZl//Uq
/** Creates a new instance of CountData */ AzZb0wW6p
public CountBean() {} '
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public void setCountType(String countTypes){ /@O$jlX5I
this.countType=countTypes; <tn6=IV
} 6>d0i
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public void setCountId(int countIds){ uLq%Nu
this.countId=countIds; +?%LX4Y
} 8h '~*
public String getCountType(){ %NH{%K,
return countType; Q~-M B]'
} c?t,,\o(}
public int getCountId(){ y{#9&ct&
return countId; VSDG_:!K
} *Z}9S9YtN
} 40m>~I^q}
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CountCache.java 5)=YTUCk
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/* f2]O5rXp
* CountCache.java pRc<U^Z.h
* py%_XL=w,
* Created on 2007年1月1日, 下午5:01 )2&y;{]
* ud$*/ )/
* To change this template, choose Tools | Options and locate the template under @E
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* the Source Creation and Management node. Right-click the template and choose 48g`i
* Open. You can then make changes to the template in the Source Editor. 1<E:`,Mn?
*/ +AkMU|6
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package com.tot.count; X775j"<d
import java.util.*; RA
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/** i}e4P>ADD
* Scz/2vNi`
* @author cqZuG}VR
*/ t_NnQ4)=
public class CountCache { u8N"i),
public static LinkedList list=new LinkedList(); ){FXonVP
/** Creates a new instance of CountCache */ 3x3 =ke!
public CountCache() {} CZ|h` ";P2
public static void add(CountBean cb){ R$M>[Kjn
if(cb!=null){ -esq]c%3
list.add(cb); 8i Xt8XY3
} ODyKS;
} ;Sw%t(@
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CountControl.java c?7Wjy
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