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: >ooZj9:'
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CountBean.java c&L"N!4z
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/* ;j2vHU#q-
* CountData.java NzNA>[$[
* aN(|'uO@
* Created on 2007年1月1日, 下午4:44 qoAj]
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* `mN4_\]
* To change this template, choose Tools | Options and locate the template under \rPbK+G.
* the Source Creation and Management node. Right-click the template and choose O(_[ayE
* Open. You can then make changes to the template in the Source Editor. |hr]>P1
*/ (e"iO`H
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package com.tot.count; *YlV-C<}W"
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/** "le>_Ze_>|
* 1IVuSp`{FU
* @author tY
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*/ hdVdcnM
public class CountBean { <jed!x
private String countType; a5w:u5
int countId; 'MY/*k7:
/** Creates a new instance of CountData */ 2=_gf
public CountBean() {} f47M#UC
public void setCountType(String countTypes){ zhf.NCSt(
this.countType=countTypes; R"K#7{p9
} GaSPJt
public void setCountId(int countIds){ KgR<E
this.countId=countIds; 8n>9;D5n
} MQ"xOcD*F
public String getCountType(){ +5XpzZ{#Wa
return countType; p ]d]QMu
} ~9j%Hm0ht
public int getCountId(){ PiA0]>
return countId; 3d|9t9v
} YQY%M>F@d%
} 3$X'Y]5a
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CountCache.java '}$Dgp6e
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/* 8(* [Fe9
* CountCache.java +!|9hF'
* 50={%R
* Created on 2007年1月1日, 下午5:01 |DsnNk0c
* p/h
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* To change this template, choose Tools | Options and locate the template under 5L!y-3
* the Source Creation and Management node. Right-click the template and choose tToTxf~
* Open. You can then make changes to the template in the Source Editor. ,TFIG^Dvq
*/ `]W|8M
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package com.tot.count; 8]LD]h)B"
import java.util.*; q`r**N+zn
/** l'eyq}&
* 6R^^ .tCs
* @author RU\/j%^
*/ pa#IJ
public class CountCache { s;A@*Y;v
public static LinkedList list=new LinkedList(); cb}[S:&|
/** Creates a new instance of CountCache */ r9dyA5oD
public CountCache() {} ow]053:i
public static void add(CountBean cb){ zE_i*c"`
if(cb!=null){ D
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list.add(cb); YD7Oao4:o
} "
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} ~sXcnxLz
} )+6MK(<"
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CountControl.java =&:Y6XP
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/* v;ZA4c
* CountThread.java wH@Ns~[MA
* @<