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: BA`:miH<
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CountBean.java kC|Tubs(
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/* w@-b
* CountData.java ^+a
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* Created on 2007年1月1日, 下午4:44 Gx;xj0-"
* B$DZ]/<
* To change this template, choose Tools | Options and locate the template under ^hysC c
* the Source Creation and Management node. Right-click the template and choose 7AeP Gr
* Open. You can then make changes to the template in the Source Editor. 4[_L=zD
*/ ~1d!hq?/q
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package com.tot.count; zze z~bv7:
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/** =?+w)(*0c
* xtsL8-u f
* @author iRouLd
*/ Lv3XYZgW~
public class CountBean { :B+Rg cqi
private String countType; To^#
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int countId; R%W@~o\p]
/** Creates a new instance of CountData */ OT%V{hD
public CountBean() {}
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public void setCountType(String countTypes){ 6mAB(X^+
this.countType=countTypes; [lOf|^9
} @jKDj]\
public void setCountId(int countIds){ ,N0uR@GN
this.countId=countIds; >Pyc[_j
} @bY?$fj_u
public String getCountType(){ c G*(C
return countType; O*ImLR)i+s
} 1 M=
public int getCountId(){ 3~:0?Zuq
return countId; t,1in4sN
} Q-jf8A]
} hLSTSD}
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CountCache.java jF4csO=E
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/* UIz:=DJ
* CountCache.java E0T&GR@.
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* Created on 2007年1月1日, 下午5:01 p}&Md-$1
* y]<#%Fh
* To change this template, choose Tools | Options and locate the template under Wge ho
* the Source Creation and Management node. Right-click the template and choose htV#5SUx&
* Open. You can then make changes to the template in the Source Editor.
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*/ PE|PwqX
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package com.tot.count; 5^b i
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import java.util.*; b h*^{
/** `,Xb8^M2
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* @author / =-6:L
*/ (Hl8U
public class CountCache { &0JK38(
public static LinkedList list=new LinkedList(); xM%`KP.8X
/** Creates a new instance of CountCache */ _HLC>pH~#
public CountCache() {} Rnzqw,q
public static void add(CountBean cb){ B( 8mH
if(cb!=null){ </|)"OD9
list.add(cb); qP&byEs"
} !e&rVoA
} i,([YsRuou
} eQ$e*|}"m
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CountControl.java & &