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: }mo)OyIX
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CountBean.java OnH3Ss$
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/* F|G v
* CountData.java k[}WYs+r
* 3mHP=)
* Created on 2007年1月1日, 下午4:44 lvRTy|%[
* j]U~ZAn,K
* To change this template, choose Tools | Options and locate the template under wv`ar>qVL
* the Source Creation and Management node. Right-click the template and choose GO.7IL{{
* Open. You can then make changes to the template in the Source Editor. KG4zjQf
*/ vw$b]MO!
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package com.tot.count; .mNw^>:cq
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/** wwet90_g
* gi>W&6
* @author xLb=^Xjec
*/ (5A8# 7a
public class CountBean { F-F1^$]k
private String countType; Fn0|v66
int countId; 6b%IPbb
/** Creates a new instance of CountData */ ArjRoXDE
public CountBean() {} (w#)|9Cxm
public void setCountType(String countTypes){ 4 aE{}jp1
this.countType=countTypes; &'`ki0Xh;
} NHQoP&OG
public void setCountId(int countIds){ yVQW|D0,j
this.countId=countIds; q{%~(A5*H
} 5i}g$yjZ<
public String getCountType(){ upaQoX/C
return countType; E#3tkFF0Z[
} 3}8L!2_p
public int getCountId(){ $E!f@L
return countId; LqO=wK~
} c^cr_i
}
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CountCache.java c[V.j+Iy#^
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/* YNl".c
* CountCache.java (.i wD&
* ;at1|E*
* Created on 2007年1月1日, 下午5:01 obN8+ j
* Wsp c;]&
* To change this template, choose Tools | Options and locate the template under |3~]XN-
* the Source Creation and Management node. Right-click the template and choose 7z$bCO L=S
* Open. You can then make changes to the template in the Source Editor. %iME[| u&
*/ BR-wL3x
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package com.tot.count; >$yA
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import java.util.*; cW_l |
/** 0~+*$W
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* @author :>0,MO.^~K
*/ MBLDxsZ-
public class CountCache { *YX5bpR?
public static LinkedList list=new LinkedList(); #z70:-`.[M
/** Creates a new instance of CountCache */
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public CountCache() {} FhPCFmmUT
public static void add(CountBean cb){ p-lFzNPc0
if(cb!=null){ ]d~{8h!G
list.add(cb); '/9q7?[E!
} ;;m;f^]}
} DSWmQQ
} G;J)[y
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CountControl.java s"J)Jc
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/* DajN1}]
* CountThread.java -/0aGqY
* QN?EI:
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* Created on 2007年1月1日, 下午4:57 j:>0XP
* R# .H&#
* To change this template, choose Tools | Options and locate the template under e2K9CE.O
* the Source Creation and Management node. Right-click the template and choose &c