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: 0 8L;u7u
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CountBean.java K{_~W yRF
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/* _:\rB
* CountData.java Q(<A Yu
* 'G65zz
* Created on 2007年1月1日, 下午4:44 sBZn0h@
* ?M'CTz}<\
* To change this template, choose Tools | Options and locate the template under G)~>d/
* the Source Creation and Management node. Right-click the template and choose wm#(\dj
* Open. You can then make changes to the template in the Source Editor. 7Z2D}O+
*/ w
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package com.tot.count; Z]Xa:[
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/** YL*FjpVW
* >A D!)&c
* @author e-`9-U%6
*/ /{buFX2"}
public class CountBean { yI8O#
private String countType; TkTGYh
int countId; fASklcQ
/** Creates a new instance of CountData */ !KXcg9e
public CountBean() {} kq=Htbv7
public void setCountType(String countTypes){ t'Yd+FK
this.countType=countTypes; H$ nzyooh
} f
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public void setCountId(int countIds){ @{qcu\sZ
this.countId=countIds; H%n/;DW
} j6^.Q/{^
public String getCountType(){ ^kK")+K
return countType; pWzYC@_W
} a`yCPnB(
public int getCountId(){ 4;~xRg;u&*
return countId; I;jH'._k#
} br88b`L
} :@&e~QP(
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CountCache.java ~L&z?'V
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/* Ow?~+)
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* CountCache.java a?Fz&BE
* 1y[~xxgE
* Created on 2007年1月1日, 下午5:01 R|Bi%q|4P
* N@0/=B[n
* To change this template, choose Tools | Options and locate the template under c%G~HOE=B
* the Source Creation and Management node. Right-click the template and choose
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* Open. You can then make changes to the template in the Source Editor. n. N0Nhd
*/ Kc]
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package com.tot.count; (~\HizSl
import java.util.*;
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/** 9ox5,7ZQ
* S9:ij1
* @author y46sL~HRv
*/ ) 5`^@zx
public class CountCache { _Iy)p{y
public static LinkedList list=new LinkedList(); b6e2a/x
/** Creates a new instance of CountCache */ HHyN\
public CountCache() {} vKoQ!7g
public static void add(CountBean cb){ De$Ic"Z9L
if(cb!=null){ 0p3) t
list.add(cb); X..M!3W
} )sIzBC
} {nZP4jze
} &K