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: f/:XIG
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CountBean.java 7TC=$y ,
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/* _=.f+1W
* CountData.java 3Hli^9&OX_
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* Created on 2007年1月1日, 下午4:44 MOIH%lpe
* `<C/-Au
* To change this template, choose Tools | Options and locate the template under B0^0d*8t|@
* the Source Creation and Management node. Right-click the template and choose B0KZdBRx}
* Open. You can then make changes to the template in the Source Editor.
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*/ wER>a (
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package com.tot.count; 1o;+.]B
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/** .cQ<F4)!tu
* [Pu~kiN
* @author ">G|\_ZF
*/ q,JMmhWaT
public class CountBean { 'j)xryw
private String countType; 0.~Pzg
int countId; w6fVZY4
/** Creates a new instance of CountData */ !6pOY*> j
public CountBean() {} FX FTf2*T
public void setCountType(String countTypes){ }wh)I]]U
this.countType=countTypes; 62&(+'$n
} }/yhwijg
public void setCountId(int countIds){ 1r?<1vh:z
this.countId=countIds; /hef3DV5I
} (= H%VXQH
public String getCountType(){ Q`qHzb~%
return countType; O6^>L0'
} l!plw,PYC
public int getCountId(){ &sp7YkaW
return countId; 6BihZ|H04
} X;7gh>Q'4
} &cSTem
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CountCache.java @LS*WJ< w-
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/* lEBt<
* CountCache.java ,OX(z=i_
* $/aZ/O)F
* Created on 2007年1月1日, 下午5:01 xq2{0q
* SSKn7`
* To change this template, choose Tools | Options and locate the template under -,Q
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* the Source Creation and Management node. Right-click the template and choose W27EU/+3
* Open. You can then make changes to the template in the Source Editor. iw\RQ
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*/ G SXe=?
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package com.tot.count; iK$)Iy0
import java.util.*; " r!O9X6
/** !e?GS"L~
* O!}TZfC
* @author (bxSN@hp2
*/ L\Uf+d:&}G
public class CountCache { !F*7Mif_E
public static LinkedList list=new LinkedList(); O+Fu zCWj
/** Creates a new instance of CountCache */ gRS}Y8
public CountCache() {} i2SR.{&
public static void add(CountBean cb){ ,F7W_f#
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if(cb!=null){ 1MH[-=[Q
list.add(cb); hBf0kl
} {(@M0?
} ^[noGjy
} 1D03Nbh|5
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CountControl.java +_tK \MN
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/* P%A^TD|
* CountThread.java IWvLt
* .az+'1
* Created on 2007年1月1日, 下午4:57 vT V'D&x2
* 3%Z:B8:<