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: 3cNF^?\=
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CountBean.java $gN1&K
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/* ~/6m|k
* CountData.java Kd _tjWS
* {<a(1#{
* Created on 2007年1月1日, 下午4:44 !' No5
* vb-L "S?kC
* To change this template, choose Tools | Options and locate the template under /u
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* the Source Creation and Management node. Right-click the template and choose |:s4#3
* Open. You can then make changes to the template in the Source Editor. A`4j=OF\
*/ :mU,g|~55
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package com.tot.count; Pgs^#(^>
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/** 95,y@~*]
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* @author 2bS)|#v<_t
*/ fo$iV;x`
public class CountBean { :cmfy6h]
private String countType; 8 Vj]whE
int countId; SB1\SNB
/** Creates a new instance of CountData */ @O<kjR<b
public CountBean() {} x )wIGo
public void setCountType(String countTypes){ zlmb_akJ
this.countType=countTypes; sH(AsKiNKe
} >WMH.5p
public void setCountId(int countIds){ kE tYuf^
this.countId=countIds; Lnnl++8Y
} `RUr/|S
public String getCountType(){ cjf}yn
return countType; :Xv3< rS<
} mfO:#]K
public int getCountId(){ SnRTC<DDh
return countId; N0h"EV[
} q#-szZQ
} \.A~>=:
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CountCache.java ur-&- G^
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/* <`sVu
* CountCache.java ul+
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* `Y-uNJ'.N
* Created on 2007年1月1日, 下午5:01
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* >A|6kzC
* To change this template, choose Tools | Options and locate the template under h3D8eR.
* the Source Creation and Management node. Right-click the template and choose *Wv]DV=\
* Open. You can then make changes to the template in the Source Editor. ,8g~,tMr+
*/ XB-pOtVm
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package com.tot.count; e@s+]a8D-k
import java.util.*; 6I(y`pJ
/** Zr_{Z@IpU
* MI|DOp
* @author C_?L$3 U0
*/ '|<