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: 7
,~Krzv
GIl{wd
CountBean.java LO*a>9LI
['`'&+x&!
/* ieoUZCO^r\
* CountData.java =` >Nfa+,
* L#MxB|fcr
* Created on 2007年1月1日, 下午4:44 h pes
* O.f3 (e!
* To change this template, choose Tools | Options and locate the template under 2Sd6b 2-
* the Source Creation and Management node. Right-click the template and choose bN%MT#X
* Open. You can then make changes to the template in the Source Editor. KFG^vmrn
*/ e7AI&5Eg{
`l40awGCz
package com.tot.count; !b8|{#qh.
j|8{Vyqd
/** u"$HWB~@z
* %ycT}Lu
* @author s"!}=kX
*/ 'QS~<^-j"
public class CountBean { `.Q3s?1F
private String countType; c`=hK*
int countId; 3/<^R}w\
/** Creates a new instance of CountData */ aVL%-Il}
public CountBean() {} xH-k~#
public void setCountType(String countTypes){ XE%6c3s
this.countType=countTypes; <[??\YOc
} j?ubh{Izm
public void setCountId(int countIds){ .tZ$a_O
this.countId=countIds; D\~$6#B>>
} o6%f%:&
public String getCountType(){ pODo[Rkq
return countType; ptfADG
} itMc!bUQ
public int getCountId(){ / UBAQ8TR
return countId; a m%{M7":7
} &,|uTIs
} O3GaxM\x
+a@SdWf
CountCache.java X2 kLbe
}i~ j"m
/* vxZUtyJfe
* CountCache.java m5g: Q
* c=E.-
* Created on 2007年1月1日, 下午5:01 Cagq0-:(p
* Li$k<AM
* To change this template, choose Tools | Options and locate the template under 3{E}^ve
* the Source Creation and Management node. Right-click the template and choose Mi-9sW
* Open. You can then make changes to the template in the Source Editor. $
$+z^%'_
*/ O/@ [VPf
GUZi }a|=
package com.tot.count; ,urkd~
import java.util.*; :Dm@3S$4<
/** i<![i5uAI
* f
8U;T$)
* @author j0M;2 3@[
*/ ai2}vR
public class CountCache { *xKR;?.
public static LinkedList list=new LinkedList(); t":>O0>cz
/** Creates a new instance of CountCache */ ^ZBkt7
public CountCache() {} m>:ig\
public static void add(CountBean cb){ .6(i5K
if(cb!=null){ EFO Q;q
list.add(cb); @35]IxD
} |Q+v6r(<zZ
} p 1fnuN |,
} (#BA{9T,^
_Y~?. hs^
CountControl.java v:b%G?o
L j\<qF~n
/* +fmZ&9hFNJ
* CountThread.java 3N\X{za
* 8b
$7#
* Created on 2007年1月1日, 下午4:57 ThB2U(Wf
* 1Pc'wfj
* To change this template, choose Tools | Options and locate the template under t?Znil|o
* the Source Creation and Management node. Right-click the template and choose ymqhI\>y#
* Open. You can then make changes to the template in the Source Editor. 4 .qjTR
*/ VW/1[?HG5
4QDzG~N4)|
package com.tot.count; OMNdvrE*=O
import tot.db.DBUtils; N/p_6GYMa
import java.sql.*; v<**GW]neD
/** O^hV<+CX
* 5lbh
"m=
* @author fA5#
2P{
*/ i[lH@fJm_
public class CountControl{ O%{>Zo_<