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: 1XrO~W\=
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CountBean.java j@AIK+0Qc
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/* oK9( /v
* CountData.java >
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* U&g@.,Y#
* Created on 2007年1月1日, 下午4:44 $POu\TO
* )cW#Rwu_A4
* To change this template, choose Tools | Options and locate the template under oTEL?hw5
* the Source Creation and Management node. Right-click the template and choose uF X#`^r`
* Open. You can then make changes to the template in the Source Editor. HCIU!4rH
*/ _mj,u64
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package com.tot.count; WQx?[tW(U
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/** ~Zun&b)S
* 5-FQMXgThc
* @author ;nI] !g:
*/ F3y9@dA]
public class CountBean { /,BD#|
private String countType; zUt'QH7E.
int countId; EB0TTJR?#
/** Creates a new instance of CountData */ AgWa{.`f:
public CountBean() {} _F4Ii-6
public void setCountType(String countTypes){ +=>,Pto<
this.countType=countTypes; gIo@Pm
} $|zX|
public void setCountId(int countIds){ Z|&MKG24
this.countId=countIds; `vU%*g&R
} kYM~d07 V
public String getCountType(){ HSw;^E)1
return countType; [ZNtCnv
} zKyyU}LHH
public int getCountId(){ I
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return countId; ;d@#XIS&-(
} !`M,XSp(
} >Ifr [
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CountCache.java UBv,=v
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/* 3RigzT3
* CountCache.java ,[N%Q#
* "x#-sZ=
* Created on 2007年1月1日, 下午5:01 k)i3
* W6^5YH%
* To change this template, choose Tools | Options and locate the template under :W"~
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* the Source Creation and Management node. Right-click the template and choose ?3/qz(bM
* Open. You can then make changes to the template in the Source Editor. Je';9(ZK
*/ {IjF+@I
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package com.tot.count; q?H|o(
import java.util.*; Ve8=b0&Y#j
/** 2pZXZ
* R
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* @author |sa]F5
*/ n#cC+>*>+
public class CountCache { ):P?
public static LinkedList list=new LinkedList(); # ncRb
/** Creates a new instance of CountCache */ _H9 MwJ
public CountCache() {} d|jNf</`
public static void add(CountBean cb){ w{{gu1#]G
if(cb!=null){ .nO\kg oK
list.add(cb); d}Xr}
} fIM,lt
} AL[KpY
} Tg7an&#
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CountControl.java N(O9&L*4fm
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/* #9=Vg
* CountThread.java ]q\b,)4
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* <c*FCblv
* Created on 2007年1月1日, 下午4:57 Z/G
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* Ah1]Y}sy
* To change this template, choose Tools | Options and locate the template under M
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* the Source Creation and Management node. Right-click the template and choose LY+@o<>
* Open. You can then make changes to the template in the Source Editor. &PL8