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: ,sk0){rW
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CountBean.java 8i?Hh?Mf}
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/* +6i~Rx>
* CountData.java `8D)j>Yh~
* =xf7lN'
* Created on 2007年1月1日, 下午4:44 7?[{/`k~?
* I7Uj<a=(q
* To change this template, choose Tools | Options and locate the template under ?J1x'/G
* the Source Creation and Management node. Right-click the template and choose Q*GJREC
* Open. You can then make changes to the template in the Source Editor. reU*apZ/
*/ u` j9m@`
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package com.tot.count; "c'K8,+?
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/** ophQdJM
* v})-:
* @author 83|7#L
*/ CSBk
public class CountBean { doj$chy
private String countType; .&Q'aOg
int countId; X-mhz3Q&a
/** Creates a new instance of CountData */ \i}:Vb(^
public CountBean() {} kCuIEv@
public void setCountType(String countTypes){ z4UJo!{S
this.countType=countTypes; ivi,/~L
} >U2[]fu
public void setCountId(int countIds){ 6Z,j^: B
this.countId=countIds; a2vZ'
} :RqTbE4B
public String getCountType(){ B0&W wa:
return countType; tsqkV7?
} 13lJq:bM
public int getCountId(){ tu%!j}3s
return countId; ZB|y
} @h91: hb
} lZI?k=rWv
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CountCache.java jH4'jB
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/* Js706
* CountCache.java F79!B
* N-~Uu6zr
* Created on 2007年1月1日, 下午5:01 $!Pm*s
* 8=!BtMd"
* To change this template, choose Tools | Options and locate the template under #$ Q2ijT0
* the Source Creation and Management node. Right-click the template and choose V7pe|]%r
* Open. You can then make changes to the template in the Source Editor. Fhr5)Z
*/ MeSF,*lP
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package com.tot.count; js~?y|e8k
import java.util.*; U11bQ4ak
/** a'U}.w}
* eOdB<He36
* @author $^ wqoW%t
*/ yGN2/>]
public class CountCache { \TF='@u.
public static LinkedList list=new LinkedList();
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/** Creates a new instance of CountCache */ >;9+4C<z0
public CountCache() {} ^@"EI|fsP
public static void add(CountBean cb){ ]3%(
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if(cb!=null){ m,TN%*U!
list.add(cb); 8^8fUN4<=
} -%5O:n
} bIR&e E
} U<