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: KGz Nj%
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CountBean.java l4bytI{63
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/* :<QknU}dwy
* CountData.java d*@T30
* e97G]XLR
* Created on 2007年1月1日, 下午4:44 <xI<^r'C9e
* X?5{2ulrI
* To change this template, choose Tools | Options and locate the template under 8 #_pkVQw:
* the Source Creation and Management node. Right-click the template and choose O=B=0
* Open. You can then make changes to the template in the Source Editor. De?VZ2o9"
*/ fF@w:;u
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package com.tot.count; Bn}woyJdx
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/** a>wCBkD
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* @author 6 d-\+t8
*/ ov6xa*'a
public class CountBean { sy: xA w
private String countType; &@0~]\,D7
int countId; n5:uG'L\
/** Creates a new instance of CountData */ 5S~ H[>A"
public CountBean() {} <!OBpAq
public void setCountType(String countTypes){ a3@E`Z
this.countType=countTypes; $R9D
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} 7EJ2 On
public void setCountId(int countIds){ PTQ#8(_,
this.countId=countIds; WR;1
} HK;NR.D
public String getCountType(){ K"#$",}=
return countType; [h/T IGE\
} ;Shu
public int getCountId(){ @- U\!Tf
return countId; _D '(R
} l/.{F ;3F
} 5\ mRH
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CountCache.java ARH~dN* C
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/* ,;k+n)
* CountCache.java O'<V[Y}6
* O)'CU1vMb
* Created on 2007年1月1日, 下午5:01 A_xC@$1e<
* #N|\7(#~u
* To change this template, choose Tools | Options and locate the template under OF-k7g7
* the Source Creation and Management node. Right-click the template and choose c_J9CKqc
* Open. You can then make changes to the template in the Source Editor. broLC5hbQU
*/ }w0pi
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package com.tot.count; ~Amq1KU*Z
import java.util.*; BoD{fg
/** D6"=2XR4n
* -l^<[%
* @author (MwRe?Ih
*/ ,}oAc
public class CountCache { &f*orM:
public static LinkedList list=new LinkedList(); b^o4Q[
/** Creates a new instance of CountCache */ Jw)JV~/0
public CountCache() {} q m3\)9C
public static void add(CountBean cb){ b1&