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: ?tOzhrv
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CountBean.java _ge3R3
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/* G[jCmkK
* CountData.java hFKYRZtP.8
* nBQG.3
* Created on 2007年1月1日, 下午4:44 VFyt9:a
* IV\@GM:ait
* To change this template, choose Tools | Options and locate the template under s)> ]'ii
* the Source Creation and Management node. Right-click the template and choose }b44^iL$9y
* Open. You can then make changes to the template in the Source Editor. tNtP+v-{
*/ X|b~,X%N
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package com.tot.count; Pai{?<zGi
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/** ks!
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* @author 7oUYRqd
*/ 4&?%" 2
public class CountBean { BPW:W }
private String countType; g{&ux k);
int countId; H|Eu,eq-E
/** Creates a new instance of CountData */ ,5nrovv
public CountBean() {} \aG>(Mr
public void setCountType(String countTypes){ 1=s%.0
this.countType=countTypes; he/FtkU
} Eh JYdO[e
public void setCountId(int countIds){
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this.countId=countIds; upWq=_
} B}:[~R'
public String getCountType(){ \jC}>9
return countType; 4Vt YR
} mI l_
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public int getCountId(){ Y40{v(Pi
return countId; =oSv=xY
} %lvSO/F+
} [
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CountCache.java D:%v((Ccw
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/* hD;[}8qN{
* CountCache.java |d8/ZD
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* Created on 2007年1月1日, 下午5:01 CFVe0!\
* &a O3N
* To change this template, choose Tools | Options and locate the template under G|.>p<q
* the Source Creation and Management node. Right-click the template and choose <pz;G}
* Open. You can then make changes to the template in the Source Editor. $ U<xrN>O
*/ ,Xao{o(
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package com.tot.count; m(?M]CH(A
import java.util.*; Hl] 3F^{
/** .'
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* @author =6/0=a[
*/ r..\(r
public class CountCache { 0,,x|g$TpT
public static LinkedList list=new LinkedList(); C:W}hA!
/** Creates a new instance of CountCache */ 8JGt|,
public CountCache() {} )Nk^;[
public static void add(CountBean cb){ MOdodyG
if(cb!=null){ 'AHI;Z~Gk
list.add(cb); TR]~r2z
} 'Exj|Y&
} Qu!Lc:oM?
} nKch_Jb
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CountControl.java |eJ4"OPC
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/* m>~%.
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* CountThread.java *l^h;RSx
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* Created on 2007年1月1日, 下午4:57 ]7Tjt A.\q
* Wn<