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: 9J-!o]f .b
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CountBean.java .LeF|EQU\@
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/* 7$q2v=tH_
* CountData.java tF#b&za
* 42n@:5`{+
* Created on 2007年1月1日, 下午4:44 ~aauW?
* h 7(H%(^_
* To change this template, choose Tools | Options and locate the template under *sc0,'0
* the Source Creation and Management node. Right-click the template and choose wzNt c)~i
* Open. You can then make changes to the template in the Source Editor. Q70**qm
*/ =\ti<
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package com.tot.count; P-E'cb%ub
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/** `&|l;zsS
* '-nuH;r
* @author Ovaj":L
*/ @w#gRQCl
public class CountBean {
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private String countType; T>%uRK$
int countId; O5G<O(,\
/** Creates a new instance of CountData */ RAD4q"}k
public CountBean() {} q[y,J
public void setCountType(String countTypes){ 07T;IV3#C5
this.countType=countTypes; "a0u-}/D
} Dj,+t+|
public void setCountId(int countIds){ wH(vX<W-E
this.countId=countIds; 5KC\1pei
} {d?4;Kd
public String getCountType(){ JT.\f,z&
return countType; SSL%$:l@
} Vav+$l|j@
public int getCountId(){ lE2wkY9^/
return countId; #g-*n@
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} (Q h7bfd
} .J1Hg
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CountCache.java '^-4{Y^2E
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/* nuQLq^e
* CountCache.java k`2B9,z
* y_7XYT!w
* Created on 2007年1月1日, 下午5:01 o trTrh
* $5Y^fwIK
* To change this template, choose Tools | Options and locate the template under _Okn P2E
* the Source Creation and Management node. Right-click the template and choose \}4#**]
* Open. You can then make changes to the template in the Source Editor. 6(<~1{
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*/ jB/q1vFO
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package com.tot.count; tEWj}rX
import java.util.*; R/Dy05nloe
/** C_^R_
* Xv5Ev@T
* @author V Q,\O
*/ WJFTy+bD
public class CountCache { A]SB c2
public static LinkedList list=new LinkedList(); !7NzW7j
/** Creates a new instance of CountCache */ xBI"{nGoN
public CountCache() {} E~Up\f
public static void add(CountBean cb){ aIt
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if(cb!=null){ Am=PUQF$
list.add(cb); P#2TM
} $OFFH[_z
} XUqE5[O%
} s<r.+zqW
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CountControl.java x4m_(CtK
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/* )r|zi
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* CountThread.java #:\+7mCF
* J*lYH]s
* Created on 2007年1月1日, 下午4:57 MTITIecw=
* VGDEP!)-8
* To change this template, choose Tools | Options and locate the template under %CE@}
* the Source Creation and Management node. Right-click the template and choose S5pP"&