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: PwS7!dzH-
fK10{>E1
CountBean.java O)D+u@RhH
@,;VMO
/* H:4?sR3
* CountData.java gV;9lpZ2
* H|s,;1#
* Created on 2007年1月1日, 下午4:44 v@Bk)Z
* +P|Z1a -jB
* To change this template, choose Tools | Options and locate the template under c;doxNd6
* the Source Creation and Management node. Right-click the template and choose R=<uf:ca
* Open. You can then make changes to the template in the Source Editor. a]t| /Mq
*/ SGUZ'}
B
j z@X
package com.tot.count; m:]60koz]o
dw3H9(-lp
/** `s~[q
* u$
a7
* @author ';KZ.D
*/ !Nx'4N`&l
public class CountBean { DlxL:
private String countType; H&=fD` Xq
int countId; 3)_(t.$D
/** Creates a new instance of CountData */ @
Br?
public CountBean() {} c+.?+g
public void setCountType(String countTypes){ Dz<vIMLF{
this.countType=countTypes; Q)93+1]
} W3]?>sLE*
public void setCountId(int countIds){ 6GsB*hW
this.countId=countIds; 2<TpNGXM_
} U$EQeb
public String getCountType(){ ]_mcJ/6:
return countType; ^$~&e :{
} 9IJc9Sv(
public int getCountId(){ U
IHe^ ?R
return countId; 25/M2u?
} ?;ovh nY)
} 4rH:`494
F+285JK
CountCache.java m?`?T
bI+ TFOP
/* 68nBc~iAm
* CountCache.java Q=#@g
* *9|*21
* Created on 2007年1月1日, 下午5:01
:\IZ-
* FGu#Pa
* To change this template, choose Tools | Options and locate the template under L
/V;;
* the Source Creation and Management node. Right-click the template and choose 04@?Jb1 *
* Open. You can then make changes to the template in the Source Editor. f1
Zj:3e
*/ /m8&E*+T1
b
=R9@!
package com.tot.count; 4nU+Wj?T
import java.util.*; Ht&%`\9s
/** \><v1x>;
* #jT=;G7f2
* @author R[f@g;h
*/ 9 $Ud\
public class CountCache { d5l].%~
public static LinkedList list=new LinkedList(); (<ngdf`,
/** Creates a new instance of CountCache */ ~zyD=jxP9
public CountCache() {} V@`A:Nc_>
public static void add(CountBean cb){ Z
lR2
if(cb!=null){ CNrK]+>
list.add(cb); C#:L.qK
} VD+y4t'^
} z0xw0M+X
} C0[Z>$
+dJLT}I8M
CountControl.java 6
u}c543
BiD}C
/* H\<^p",`
* CountThread.java =O'>H](Q
* TmUN@h
* Created on 2007年1月1日, 下午4:57 1 2J#}|
* "cx#6Bo|
* To change this template, choose Tools | Options and locate the template under
:qrCqFl
* the Source Creation and Management node. Right-click the template and choose r"x/,!_E
* Open. You can then make changes to the template in the Source Editor. q*d@5
*/ OuwEO
3#~w#Q0%
package com.tot.count; +JPHQx'W
import tot.db.DBUtils; %617f=(E?!
import java.sql.*; X$9
"dL
/** +=g9T`YbE
* (VB-5&b
* @author NG\^>.8
*/ ">!<