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: %&J`mq
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CountBean.java BM5)SgK
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/* lB7/oa1]>
* CountData.java iz+,,UH
* }4Q3S1|U
* Created on 2007年1月1日, 下午4:44 v!=e]w6{
* Z1p%6f`
* To change this template, choose Tools | Options and locate the template under L!fIAd`
* the Source Creation and Management node. Right-click the template and choose ]qx!51S
* Open. You can then make changes to the template in the Source Editor. 4C3i
*/ Z=l2Po n
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package com.tot.count; a(uQGyr[k1
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/** IvI;Q0E-3
* Z/:W.*u
* @author $4kbOqn4
*/ ^P`I"T
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public class CountBean { <
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private String countType; waG &3m
int countId; DLO#_t^v.
/** Creates a new instance of CountData */ )i:"cyoE
public CountBean() {} y,c\'}*H
public void setCountType(String countTypes){ )ri'W
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this.countType=countTypes; g^U-^f
} ]SN5&S
public void setCountId(int countIds){ K3&k+~$
this.countId=countIds; 8jiBLZkRf
} k8cR`5@PK
public String getCountType(){ 5nK|0vv%2
return countType; 89W8cJ$yW
} h}}7_I9
public int getCountId(){ "o@R}_4]q
return countId; -*2b/=$u
} 3Qp6$m
} aw7pr464
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CountCache.java $>Gf;k
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/* ;cb='s
* CountCache.java BJqb'Hjd
* 1Sv$!xX`n
* Created on 2007年1月1日, 下午5:01 2(GLc*B>
* =wa5\p/
* To change this template, choose Tools | Options and locate the template under e)i-$0L"
* the Source Creation and Management node. Right-click the template and choose ]ij:>O@{$
* Open. You can then make changes to the template in the Source Editor. 5yp
*/ E.yc"|n7l2
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package com.tot.count; g}vU*g
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import java.util.*; ON"V`_dq+M
/** W\e!rq
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* @author :k~ p=ko
*/ w!Z,3Yc)
public class CountCache { /|<0,oz oJ
public static LinkedList list=new LinkedList(); @2\UjEo~
/** Creates a new instance of CountCache */ jQ(%LYX$
public CountCache() {} [VouG{
public static void add(CountBean cb){ /!y3ZzL
if(cb!=null){ Fd._D"
list.add(cb); {[+Q\<