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: 90L,.
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CountBean.java H_KE^1
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/* BTjfzfO"
* CountData.java [` ~YPUR*
* LWE[]1=
* Created on 2007年1月1日, 下午4:44 bg;NBoZd
* Z3?,r[
* To change this template, choose Tools | Options and locate the template under h1@|UxaE#
* the Source Creation and Management node. Right-click the template and choose Ug02G
* Open. You can then make changes to the template in the Source Editor. R2WEPMH%
*/ fmZ5rmw!
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package com.tot.count; Dz/I"bZLC
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/** 9XWHr/-_@
* 3"=% [
* @author %Z~,F?
*/ 'WK}T)o
public class CountBean { y;Xb."e~
private String countType; Fgq"d7` 9@
int countId; su6x
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/** Creates a new instance of CountData */ s\QhCS
public CountBean() {} RK?b/9y
public void setCountType(String countTypes){ P\\4 w)C
this.countType=countTypes; 2`>/y
} TY~8`+bJ
public void setCountId(int countIds){ N1$lG?
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this.countId=countIds; 'U
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} #PUvrA2Zl
public String getCountType(){ Uf)?sz
return countType; dA>=#/"
} A5-y+
public int getCountId(){ OJ8 ac6cJ
return countId; !9=hUpRN
} f1MKYM%^x
} >B(%$jG Z
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CountCache.java cmgI,n-o?
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/* ,9<}V;(
* CountCache.java *KNj5>6=
*
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* Created on 2007年1月1日, 下午5:01 <>$`vuU
* )&:4//}a
* To change this template, choose Tools | Options and locate the template under =H6"\`W
* the Source Creation and Management node. Right-click the template and choose vaL+@Kq~&
* Open. You can then make changes to the template in the Source Editor. (dD+?ZOO
*/ #(&!^X3
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package com.tot.count; gQaBQq9
import java.util.*; 9EzXf+f
/** vmdu9"H
* h(]aP<49L
* @author Dyv 6K_,
*/ i? 5jl&30
public class CountCache { @igGfYy
public static LinkedList list=new LinkedList(); YT\x'`>Q
/** Creates a new instance of CountCache */ pQ%~u3
public CountCache() {} }~pT
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public static void add(CountBean cb){ xc)A`(g
if(cb!=null){ 1gk{|keh
list.add(cb); K6<@DP+/
} y1R53u`;L
} K{)N:|y%!$
} 1}+lL)-!
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CountControl.java
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/* \jL n5$OW
* CountThread.java 0S8v41i6
* ]la8MaZ<