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: EZ!! V~
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CountBean.java 8~U
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/* ~~yng-3)1
* CountData.java uzp\V
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* Created on 2007年1月1日, 下午4:44 +s#%\:Y M
* P(PBOB97
* To change this template, choose Tools | Options and locate the template under x(c+~4:_M
* the Source Creation and Management node. Right-click the template and choose SGKAx<U
* Open. You can then make changes to the template in the Source Editor. &YIL As^8A
*/ M~zI;:0O
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package com.tot.count; ?;tPqOs&
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/** |5flvkid
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* @author Y%i<~"k
*/ Mmz;
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public class CountBean { mAlG}<
private String countType; K+Him]
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int countId; yl$Ko
/** Creates a new instance of CountData */ 1ZFKLI`V
public CountBean() {} !w7/G
public void setCountType(String countTypes){ -aT-<+?s
this.countType=countTypes; inW7t2p<s
} RZW=z}T+H
public void setCountId(int countIds){ J@>|`9T9$
this.countId=countIds; YI0l&'7
} NLZ5 5yo$
public String getCountType(){ _4oAk @A
return countType; ^mC~<pP(
} :uYZ1O
public int getCountId(){ .5 E)dU
return countId; ue8 @=}
} )Q1aAS3
} *o1US
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CountCache.java ?EUg B\
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/* O n0!>-b,
* CountCache.java ,?LE5]
* +~=a$xA[C
* Created on 2007年1月1日, 下午5:01 jA"}\^%3
* '$,yV f
* To change this template, choose Tools | Options and locate the template under NioqJG?p
* the Source Creation and Management node. Right-click the template and choose h`U-{VIrqi
* Open. You can then make changes to the template in the Source Editor. 7bYwh8
*/ JOuy_n
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package com.tot.count; <Ve0Ph K
import java.util.*; *Y85evq
/** W(s5mX,Kv
* 1*A^v
* @author bF9.k
*/ &Sb)a
public class CountCache { zgFL/a<
public static LinkedList list=new LinkedList(); oY ~q^Y
/** Creates a new instance of CountCache */ ]6(%tU
public CountCache() {} yoGG[l2k>s
public static void add(CountBean cb){ & *tL)qKDc
if(cb!=null){ =9TwBr.CJ
list.add(cb); DD/B\
} `Fcr`[
} "(jD*\8x
} T=/c0#Q|q
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CountControl.java W7C1\'T
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/* BqJ|l7+
* CountThread.java 7&