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: 2>mDT
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CountBean.java 6@ +
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/* b'G4KNW
* CountData.java q\ ?6-?Mr
* X"R;/tZ S4
* Created on 2007年1月1日, 下午4:44 3Vhm$y%Td
* joa$Y6
* To change this template, choose Tools | Options and locate the template under h/X),aK3
* the Source Creation and Management node. Right-click the template and choose aJ2-BRn
* Open. You can then make changes to the template in the Source Editor. *`\>J.
*/ ,30&VW##
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package com.tot.count; UO</4WJ
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/** \aG>(Mr
* ";Lpf]<
* @author he/FtkU
*/ Eh JYdO[e
public class CountBean {
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private String countType; upWq=_
int countId; J,k{Bm
/** Creates a new instance of CountData */ 1w35H9\g
public CountBean() {} %H:!/'45
public void setCountType(String countTypes){ WL>"hkx
this.countType=countTypes; Yx,
} Yu'lD` G
public void setCountId(int countIds){ <53~Y
this.countId=countIds; [IMa0qs'
} D:f0Wv
public String getCountType(){ {&3n{XrF(
return countType; `w&|~xT
} ~$+9L2gz
public int getCountId(){ K2!KMhvQ
return countId; Rj-<tR{
} ]NN9FM.2b/
} gXG1w>
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CountCache.java s`&8tP
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/* T*z >A
* CountCache.java O||M
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* a(bgPkPP
* Created on 2007年1月1日, 下午5:01 "= HCP,
* bA1uh]oB
* To change this template, choose Tools | Options and locate the template under XjWoUnz
* the Source Creation and Management node. Right-click the template and choose WPLAh_fe
* Open. You can then make changes to the template in the Source Editor. `_<K#AG Ai
*/ V\Rbnvq
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package com.tot.count; "GgK,d}%
import java.util.*; $/6.4"j
/** 3:!+B=woR
* \6*3&p
* @author nx=Zl:Q}
*/ u=A&n6Q[Vo
public class CountCache { MAhcwmZNy
public static LinkedList list=new LinkedList(); \DpXs[1
/** Creates a new instance of CountCache */ 8hGp?Ihu
public CountCache() {} |0dmdrKD
public static void add(CountBean cb){ (eSa{C\
if(cb!=null){ R j1Z
list.add(cb); cs,%Zk.xjw
} F+|zCEc
} CpO!xj+
} Wn<