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: tmf=1M
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CountBean.java ?FRQ!R
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/* L~~Dj:%uq
* CountData.java !WReThq
* Ch9A6?=Hj8
* Created on 2007年1月1日, 下午4:44 qnZ`]?
* gDJ@s
* To change this template, choose Tools | Options and locate the template under ,9;d"ce
* the Source Creation and Management node. Right-click the template and choose w_
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* Open. You can then make changes to the template in the Source Editor. ,*$/2nB^
*/ hT<:)MG)+K
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package com.tot.count; D7Nz3.j
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/** e`Z3{H}
* E~|`Q6&Y
* @author 'd@Vusq}2
*/ 7J%v""\1!
public class CountBean { <AB.`["
private String countType; ^2PQ75V@.
int countId; Y;eJo
/** Creates a new instance of CountData */ NX*9nwp^
public CountBean() {} .iL_3:6f
public void setCountType(String countTypes){ <#9zc'ED:
this.countType=countTypes; ^(0tNX/XD
} ;Q.g[[J/p
public void setCountId(int countIds){ d4P0f'.z
this.countId=countIds; /fM6%V=Y
} 3*gWcPGe
public String getCountType(){ |KFWW
return countType; )>LC*_v
} aUy=D:\
public int getCountId(){ p3eJFg$
return countId; uhLg2G^h
} 1% )M-io
} uXNf)?MpA
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CountCache.java 7=ZB;(`L1
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/* 5W!E.fz*T
* CountCache.java 9e Dji,
* Y4Z?`TL
* Created on 2007年1月1日, 下午5:01 wz!]]EQ!o
* I$`Vw >
* To change this template, choose Tools | Options and locate the template under ytmlG%
* the Source Creation and Management node. Right-click the template and choose >~$ S!
* Open. You can then make changes to the template in the Source Editor. z~oGd,
*/ Iq\sf-1E
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package com.tot.count; I#Tl
import java.util.*; k-
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/** `4&\ %9
* nu$LWC-
* @author *k'9 %'<
*/ F
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public class CountCache { _ }!Q4K
public static LinkedList list=new LinkedList(); /:e|B;P`k
/** Creates a new instance of CountCache */ 5Tpn`2F
public CountCache() {} ^%d+nKx9nL
public static void add(CountBean cb){ Vb 4Qt#o
if(cb!=null){ (cYc03"
list.add(cb); _uHyE }d
} 4:<0i0)5
} nwN<Q\]S
} nL+*Ja
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CountControl.java
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/* df1* [
* CountThread.java .(S,dG0P
* @;<w"j`r
* Created on 2007年1月1日, 下午4:57 &,&+/Sr11
* SsznV}{^
* To change this template, choose Tools | Options and locate the template under ~:)$~g7>b
* the Source Creation and Management node. Right-click the template and choose I/WnF"yP
* Open. You can then make changes to the template in the Source Editor. 4g1u9Sc0
*/ JpDYB
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package com.tot.count; x\Sp~]o3C
import tot.db.DBUtils; 2z[Pw0#V
import java.sql.*; {b<8Z*4W
/** S|]~,l2]}
* x2ol
* @author 5Ij_$a
*/ !Q7
public class CountControl{ ?$n<