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: [}5mi?v
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CountBean.java M]xfH *
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/* I(j$^DA.
* CountData.java >|mZu)HIY;
* 8Ep!
* Created on 2007年1月1日, 下午4:44 3teP6|K'g
* w,t !<i
* To change this template, choose Tools | Options and locate the template under gO/\Yi
* the Source Creation and Management node. Right-click the template and choose QE721y
* Open. You can then make changes to the template in the Source Editor. k{bC3)'$#R
*/ {gzVbZ#
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package com.tot.count; XJ1Bl
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/** (UZ].+)s
* Sx1OY0)s
* @author EIF
*/ f[?JLp
public class CountBean { whFJ]
private String countType; 3 ;AJp_;
int countId; hRqr
/** Creates a new instance of CountData */ T&j:gg
public CountBean() {} ^OK;swDW
public void setCountType(String countTypes){ HrUE?Sq
this.countType=countTypes; NTVaz.
} DX ZZZ[#
public void setCountId(int countIds){ 83VFBY2q
this.countId=countIds; gP>W* ]0r1
} r(rT.D&
public String getCountType(){ YUTI)&y
return countType; o3:BH@@
} N|/gwcKe
public int getCountId(){ JW"n#sR4
return countId; arvKJmD
} *d31fBCk%
} 0D0uzUD-
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CountCache.java lUw=YM
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/* bk]g}s
* CountCache.java |o@U
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* #k,.xMJ~
* Created on 2007年1月1日, 下午5:01 0n\AUgVPF
* WP'.o
* To change this template, choose Tools | Options and locate the template under "`h.8=-
* the Source Creation and Management node. Right-click the template and choose COj^pdE3
* Open. You can then make changes to the template in the Source Editor. >O0<u
*/ EAz>`~
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package com.tot.count; PJ,G_+b!
import java.util.*; (-VH=,Md
/** dJ>tM'G
* 8!MVDp[|"
* @author OHv9|&Tpl
*/ -fN5-AC
public class CountCache { 40[@d
public static LinkedList list=new LinkedList(); 0a1Mu>P,
/** Creates a new instance of CountCache */ 0v``4z2Z
public CountCache() {} P G
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public static void add(CountBean cb){ I:1Pz|$`
if(cb!=null){ W*/2x8$d
list.add(cb); gLlA'`!
} n6 wx/:
} y( UWh4?t
} E:[!)UG|y
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CountControl.java 5?|y%YH;R\
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/* 8"rK
* CountThread.java -![{Zb@
* 5acC4v!T
* Created on 2007年1月1日, 下午4:57 #TcX5
* g[;&_gL
* To change this template, choose Tools | Options and locate the template under IR32O,)
* the Source Creation and Management node. Right-click the template and choose {MUO25s02
* Open. You can then make changes to the template in the Source Editor. 4L r,}tA
*/ M XuHA?
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package com.tot.count; TCi0]Y~a
import tot.db.DBUtils; }%<cFi &
import java.sql.*; =E:sEw2j
/** 4 b}'W}
* NOf{Xx<#k
* @author [Scao $
*/ O%<+&