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: nF5\iV
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CountBean.java 67tB8X
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/* _:1s7EC
* CountData.java I^GZ9@UE
* @e#{Sm
* Created on 2007年1月1日, 下午4:44 d)WGI
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* 1CR)1H
* To change this template, choose Tools | Options and locate the template under 9Ro7xSeD
* the Source Creation and Management node. Right-click the template and choose 3j6Am{9
* Open. You can then make changes to the template in the Source Editor. W^,(we
*/ D[
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package com.tot.count; o.g)[$M8cF
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/** N|2PW ~,
* 4n0Iw I
* @author YXLZ2-%ohZ
*/ +C36OcmT~
public class CountBean { &?H`MCvt
private String countType; vnx+1T
int countId; AsfmH-4)
/** Creates a new instance of CountData */ s$Vz1B
public CountBean() {} 4*&2D-8<K
public void setCountType(String countTypes){ B'-n
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this.countType=countTypes; |/%X8\
} !y&<IT(\4
public void setCountId(int countIds){ T0X+\&W
this.countId=countIds; {Rz(0oD\
} $ vBFs]h
public String getCountType(){ IP!`;?T=
return countType; `PtfPt<{
} #2dH2k\F
public int getCountId(){ lNo]]a+_
return countId; V
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} wz{&0-md*'
} !8I80:e_~
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CountCache.java $#-O^0D
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/* +' SG$<Xv
* CountCache.java UmL Boy&*
* Z4dl'v)9
* Created on 2007年1月1日, 下午5:01 )C$pjjo/`
* S|O#KE
* To change this template, choose Tools | Options and locate the template under v$Xoxp
* the Source Creation and Management node. Right-click the template and choose m>f8RBp]'
* Open. You can then make changes to the template in the Source Editor. OCu/w1bc
*/ #s{EIj~YR_
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package com.tot.count; {$I1(DYN
import java.util.*; lv#L+}T
/** sn8l3h)
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* @author |#sY(1
*/ _~ 3r*j
public class CountCache { <l<