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: V>Cf
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CountBean.java tB.9Ov*
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/* Z(P#]jI]
* CountData.java -d]z_
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* Created on 2007年1月1日, 下午4:44 q[lqEc
* o hCPNm
* To change this template, choose Tools | Options and locate the template under zO,sq%vQn'
* the Source Creation and Management node. Right-click the template and choose /^"TMm
* Open. You can then make changes to the template in the Source Editor. hAdEq$
*/ >xN^#$ng}
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package com.tot.count; CgWj9 [
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/** &~8}y+z
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* @author E7D
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*/ -~g3?!+Hb
public class CountBean { t/CNxfY
private String countType; 2_Qzc&"[
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int countId; 2StpcAlU}
/** Creates a new instance of CountData */ n_Z8%|h
public CountBean() {} c=gUY~Rl
public void setCountType(String countTypes){ EMo6$(
this.countType=countTypes; "M
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} >*MB_m2|
public void setCountId(int countIds){ 6dh PqL
this.countId=countIds; %j,Ny}a
} -#r_9HQ,w
public String getCountType(){ 1 /`>Eh
return countType; Dcf`+?3
} [Zf<r1m
public int getCountId(){ Jc+U$h4
return countId; 3^\y>
} <|4j<U
} g6farLBF
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CountCache.java 7)T+!>
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/* *QVE>{
* CountCache.java \r2w@F{C
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* Created on 2007年1月1日, 下午5:01 DuWP)#kg
* ~gf$ L9
* To change this template, choose Tools | Options and locate the template under LLE~V~j
* the Source Creation and Management node. Right-click the template and choose e0TnA
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* Open. You can then make changes to the template in the Source Editor. 2a^(8A`7W
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package com.tot.count; eIO}/npT]Q
import java.util.*; \?o%<c5{
/** gDv]n^&