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: #hJQbv=B"
#s2B%X
CountBean.java [AR>?6G-
a2yE:16o6
/* eN/G i<
* CountData.java wqy^8N[K]
* xU}M;4kH~
* Created on 2007年1月1日, 下午4:44 73
V"s
* }Hy ~i
* To change this template, choose Tools | Options and locate the template under XoItV
* the Source Creation and Management node. Right-click the template and choose VVuR+=.&
* Open. You can then make changes to the template in the Source Editor. i8~r
*/ JE!("]&
=_PvrB 2'
package com.tot.count; qC@Ar)T
L.B~ax.|Z
/** UFEN y."P
* kdcQw7G
* @author )a cV-+{
*/ B:9.e?t
public class CountBean { 6OB" ,
private String countType; M"U OgS
int countId; vM4<d>
/** Creates a new instance of CountData */ 64U6C *w+
public CountBean() {} >85zQ
1aL
public void setCountType(String countTypes){ ?QpNjsF
this.countType=countTypes; HY)ESU
!
} mqFq_UX/T
public void setCountId(int countIds){ ;&f1vi4
this.countId=countIds; 1R*=.i%W
} 6D/ '`
public String getCountType(){ Hk;-5A|9
return countType; q`Q}yE>9
} Y~qb;N\
public int getCountId(){ \VN=Ef\E
return countId; &q>zR6jne
} |LmSWy*7
} p=gX!4,9<
H+l,)Se
CountCache.java B?6QMC;
iiNSDc
/* `.^ |]|u
* CountCache.java u) *Kws
* WRpyr
* Created on 2007年1月1日, 下午5:01 eVt1d2.O
* AK2WN#u@Z
* To change this template, choose Tools | Options and locate the template under n29(!10Px
* the Source Creation and Management node. Right-click the template and choose ddDS=OfH
* Open. You can then make changes to the template in the Source Editor. lS9n@
*/ CMl~=[foW
'M/([|@
package com.tot.count; K+),?Q
?.p
import java.util.*; lf$Ve
/** ;dQAV\
* #H5=a6E+q
* @author -]XP2}#d
*/ pbn\9C/
public class CountCache { y=H@6$2EQ
public static LinkedList list=new LinkedList(); >n$!<
/** Creates a new instance of CountCache */ &mkpJF/
public CountCache() {} %Kto.Xq
public static void add(CountBean cb){ W3JF5*
if(cb!=null){ .zC*Z&e,.[
list.add(cb); A';QuWdT
} {p/YCch,
} \:&@;!a
} A3+6#?:;
P!<[U!<hH
CountControl.java T+CajSV
Z[ZDQ o1
/* g7V_[R(6
* CountThread.java <B[G |FY,
* ;n*J$B
* Created on 2007年1月1日, 下午4:57 "s_Z&
* kGHC]Fb)
* To change this template, choose Tools | Options and locate the template under |_zO_F rtp
* the Source Creation and Management node. Right-click the template and choose bd \=h1
* Open. You can then make changes to the template in the Source Editor. O#_x)13
*/ ([LIjaoi
b{&FuvQg