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: =#T6,[5
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CountBean.java z
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/* v]U[7 j
* CountData.java YZpF*E;6t
* ^;W,:y&
* Created on 2007年1月1日, 下午4:44 CL9p/PJ%e
* evg i\"
* To change this template, choose Tools | Options and locate the template under dWD9YIYf
* the Source Creation and Management node. Right-click the template and choose }Ss#0Gee
* Open. You can then make changes to the template in the Source Editor. >\}2("bv
*/ #5G!lbH
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package com.tot.count; e#kPf 'gL
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/** 79:x>i=
* JZu7Fb]L9
* @author &ks>.l\
*/ }6C&N8f
public class CountBean { tPC8/ntP8
private String countType; R*Pfc91}
int countId; b*dRNu
/** Creates a new instance of CountData */ c0!bn b
public CountBean() {} :$/lGIz
public void setCountType(String countTypes){ ;13lu1
this.countType=countTypes; Ha)w*1&w"
} |;rjr_I
public void setCountId(int countIds){ /kx:BoV
this.countId=countIds; i7e{REBXb
} D\j1`
public String getCountType(){ -U%wLkf|
return countType; rS(693kb
} nF
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public int getCountId(){ _~Lhc'^p*
return countId; s}`=pk/FM
} OX|/yw8
} Eto0>YyZ
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CountCache.java uZmfvMr3
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/* :Nc~rOC_
* CountCache.java ",&}vfD4M
* 1/a*8vuGh
* Created on 2007年1月1日, 下午5:01 YDjQ&EH
* _k5KJKvr
* To change this template, choose Tools | Options and locate the template under vuDp_p*]S
* the Source Creation and Management node. Right-click the template and choose ! ~&X1,l1*
* Open. You can then make changes to the template in the Source Editor. gA~Ih
*/ quGb;)3
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package com.tot.count; qx0J}6+NlU
import java.util.*; 0Lc X7gU>
/** 6G@_!i*2F
* Ms^Y:,;Hi
* @author v`y{l>r,
*/ 2$[u&__E
public class CountCache { {hg,F?p
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public static LinkedList list=new LinkedList(); CzNSJVE5
/** Creates a new instance of CountCache */ Fo?2nQ<
public CountCache() {} [uAfE3
public static void add(CountBean cb){ a}jaxGy
if(cb!=null){ =\:YNP/
list.add(cb); `jP\*k`~]
} 2!]':(8mR
} !WVF{L,/I
} q3scz
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CountControl.java %@H;6
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/* a&XURyp
* CountThread.java O%0G37h
* %0:
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* Created on 2007年1月1日, 下午4:57 4~G9._
* dVO|q9 /
* To change this template, choose Tools | Options and locate the template under 5'l+'ox@J
* the Source Creation and Management node. Right-click the template and choose Rq4\~F?
* Open. You can then make changes to the template in the Source Editor. 1!vR
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*/ (O&