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: %hDx UZ#0
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2j7
CountBean.java C0C2]xx{
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/* K|L&mL&8
* CountData.java S:B$c>
* !ZNirvk
* Created on 2007年1月1日, 下午4:44 I;1W6uD=
* !]f80z
* To change this template, choose Tools | Options and locate the template under pPL)!=o!
* the Source Creation and Management node. Right-click the template and choose eJbZA&:
* Open. You can then make changes to the template in the Source Editor. h4p<n&)F
*/ {g9*t}l4
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package com.tot.count; .`p,pt;
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/** s>J\h
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* @author r&%TKm^/
*/ Ec/&?|$
public class CountBean { $8>kk
private String countType; (aC~0
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int countId; ='A VI-go5
/** Creates a new instance of CountData */ A@uU*]TqJ8
public CountBean() {} K_!R
public void setCountType(String countTypes){ 1;v,rs M
this.countType=countTypes; 35Ro85j
} r4 $<,~
public void setCountId(int countIds){ rU4;yy*b
this.countId=countIds; p=!12t
} a =
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public String getCountType(){
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return countType; knn9s0'Q
} 'VpzB
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public int getCountId(){ Q~R% |Q{&
return countId; o75l&`
} ="p,~ivrz
} ?B+]Ex(\B,
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CountCache.java FuC#w 9_
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/* R ;k1(p
* CountCache.java #V{!|Y '
* s"UUo|hM
* Created on 2007年1月1日, 下午5:01 \@[Y~:
* 4A`U [r_>D
* To change this template, choose Tools | Options and locate the template under xX?9e3(
* the Source Creation and Management node. Right-click the template and choose =;"e Z
* Open. You can then make changes to the template in the Source Editor. }}qY,@eeX
*/ ' hDs.Wnu
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package com.tot.count; +H:}1sT;n
import java.util.*; ?o1QjDG
/** LC7%Bfn!
* b*(,W
* @author aX,6y1
*/ \3&