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: 637:
oT_`O
7<4qQ.deE
CountBean.java U$g?!Yl0
~DWl s.
/* vO=fP_
* CountData.java #yen8SskB
* 4-w{BZuS
* Created on 2007年1月1日, 下午4:44 ZCw]m#lS
* e20-h3h+
* To change this template, choose Tools | Options and locate the template under {
w_e9W bi
* the Source Creation and Management node. Right-click the template and choose ooGM$U
* Open. You can then make changes to the template in the Source Editor. Gj*9~*xm(
*/ y`Fw-!'o
XW9!p.*.U
package com.tot.count; fA-7VdR`R
MD]>g>
/** [QTV9
* CTK;dM'uQ
* @author *Ex|9FCt$
*/ 1YA% -~
public class CountBean { @HW*09TG
private String countType; ESs\O?nO
int countId; :Tc^y%b0
/** Creates a new instance of CountData */ iLT}oKF2N;
public CountBean() {} 9mgIUjz
public void setCountType(String countTypes){ 67TwPvh
this.countType=countTypes; u-TUuP
} wzaV;ac4K
public void setCountId(int countIds){ ,Q,^3*HX9}
this.countId=countIds; Q?T]MUY(L
} hph4 `{T
public String getCountType(){ h![#;>(
return countType; f?b"i A(6
} P2!C|SLK
public int getCountId(){ ,[Fb[#Qqb
return countId; l,:F
} Q&&@v4L
} m*;ERK
v:p} B$
CountCache.java g>sSS8RO
z2c6T.1M
/* DJir { \F
* CountCache.java zzz3Bq~
* 07)yG:q*x
* Created on 2007年1月1日, 下午5:01 mq[ug>
* BHw, 4#F1;
* To change this template, choose Tools | Options and locate the template under :]c3|J
* the Source Creation and Management node. Right-click the template and choose OZT.=^:A
* Open. You can then make changes to the template in the Source Editor. 1}37Q&2
*/ >+waX"e
cAy3^{3:
package com.tot.count; _6Ha
import java.util.*; 9kojLqCT
/** 7KPwQ?SjT
* $N\Ja*g
* @author F"<vaqT2
*/ ccnK#fn v
public class CountCache { [Yyk0Qv|4
public static LinkedList list=new LinkedList(); l@\FWWQ
/** Creates a new instance of CountCache */ Tr|JYLwF
public CountCache() {} *kVV+H<X|b
public static void add(CountBean cb){ b\ PgVBf9
if(cb!=null){ +3`alHUK
list.add(cb); [V!tVDs&'o
} dd["dBIZ '
} 2Hdu:"j
} ]d`VT)~vje
*dF>_F
CountControl.java OH"XrCX7n
e%6QTg5#
/* &?vgP!d&M
* CountThread.java i&k7-<
* 6Iw\c
* Created on 2007年1月1日, 下午4:57 TKjFp%
* ~4"dweu?
* To change this template, choose Tools | Options and locate the template under o.\oA6P_
* the Source Creation and Management node. Right-click the template and choose !wp3!bLp
* Open. You can then make changes to the template in the Source Editor. <1pEwI~
*/ +)?J#g
fQ98(+6
package com.tot.count; Th[dW<