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: "M:0lUy
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CountBean.java Rp""&0
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/* y[:xGf]8@
* CountData.java #ruL+-8!<
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* Created on 2007年1月1日, 下午4:44 arj?U=zy
* >*goDtTjp
* To change this template, choose Tools | Options and locate the template under _QOZ`st
* the Source Creation and Management node. Right-click the template and choose t2q{;d~.
* Open. You can then make changes to the template in the Source Editor. Dj@7vM%_
*/ t=(CCq_N,
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package com.tot.count; uMe]].04
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/** Gg=Y}S7:
* ;4ETqi9
* @author },LO]N|
*/ pw5uH
public class CountBean { 7[?{wbq
private String countType; [b6P
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int countId; 7$u}uv`j
/** Creates a new instance of CountData */ Zw<\^1
public CountBean() {} 05gdVa,
public void setCountType(String countTypes){ 1iTI8h&[@
this.countType=countTypes; {
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} nL@(|nJ[
public void setCountId(int countIds){ B6#^a
this.countId=countIds; %RS8zN
} =7212('F
public String getCountType(){ HSsG0&'-Y
return countType; Q&A^(z}
} gkw/Rd1oG
public int getCountId(){ (!B1}5"
return countId; nkn4VA?"
} .P^&sl*J
} sw^4h`^'
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CountCache.java 7I`8r2H
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/* 84}Pu%
* CountCache.java tlJ@@v&=
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* Created on 2007年1月1日, 下午5:01 jZ\a:K?
* 5.3=2/
* To change this template, choose Tools | Options and locate the template under 84eqT[I'
* the Source Creation and Management node. Right-click the template and choose H%z9VJ*!0
* Open. You can then make changes to the template in the Source Editor. waI:w,
*/ 7uW=f kxT
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package com.tot.count; zt|DHVy
import java.util.*; g ONybz6]
/** ;S.o`z1GI
* kzuI<DW
* @author .ZK^kcyA
*/ /\0g)B;]
public class CountCache { }lP'bu
public static LinkedList list=new LinkedList(); he\ pW5p
/** Creates a new instance of CountCache */ LX2Re
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public CountCache() {} dFVx*{6
public static void add(CountBean cb){ &;wNJ)Uc
if(cb!=null){ _aj,tz
list.add(cb); yT<