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: 1r9 f[j~
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CountBean.java PCE4W^ns
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/* tP(h9|[N
* CountData.java bcz-$?]
* ]?<n#=eW
* Created on 2007年1月1日, 下午4:44 Y83GKh,*
* s&tE_
* To change this template, choose Tools | Options and locate the template under 0A[e sWmP
* the Source Creation and Management node. Right-click the template and choose #kcSQ'
* Open. You can then make changes to the template in the Source Editor. >k(MUmhX
*/ H^AE|U*-G
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package com.tot.count; Qc"'8kt
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/** 8q^o.+9
* g>j| ]6
* @author SF<Vds}A2
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public class CountBean { Mr3-q
private String countType; MC!ZX)mF
int countId; UY>v"M
/** Creates a new instance of CountData */ @,OT/egF4:
public CountBean() {} C"eXs#A
public void setCountType(String countTypes){ QMp rv*i
this.countType=countTypes; ]r/^9XaqtA
} d7Ro}>lp
public void setCountId(int countIds){ Xu} U{x>
this.countId=countIds; \caH pof
} rT6?!$"%.
public String getCountType(){ d8x%SQ!V
return countType; PuCc2'#
} )&W**!(C
public int getCountId(){ 'Pd(\$ZY
return countId; p 2O~>97t1
} u$*>`Xe6
} S2^>6/[xM
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CountCache.java ZxHJ<2oD
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/* (Tvcq
* CountCache.java 7+,vTsCd
* $dg9z}D
* Created on 2007年1月1日, 下午5:01 c:hK$C)T
* Gt-UJ-RR y
* To change this template, choose Tools | Options and locate the template under $:bih4@>
* the Source Creation and Management node. Right-click the template and choose a)s;dp}T%
* Open. You can then make changes to the template in the Source Editor. 9;=dxWf
*/ /yPXMJ6W~R
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package com.tot.count; EU+cca|qS9
import java.util.*; M0'v&g
/** `DW2spd
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* @author {})$
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public class CountCache { &0
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public static LinkedList list=new LinkedList(); ~)X[(T{
/** Creates a new instance of CountCache */ %w}gzxN^
public CountCache() {} wSXVyg{
public static void add(CountBean cb){ nb,2,H
if(cb!=null){ h #.N3o
list.add(cb); [c&