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: i g
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CountBean.java Pa?{}A
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/* nrX+ '
* CountData.java i r'C(zD=
* \(&&ed:
* Created on 2007年1月1日, 下午4:44 cmAdQ)(Kzd
* <_]W1V:0
* To change this template, choose Tools | Options and locate the template under .$
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* the Source Creation and Management node. Right-click the template and choose 6{0MprY
* Open. You can then make changes to the template in the Source Editor. REh\WgV!u
*/ URt+MTU[
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package com.tot.count; )eqF21\
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/** 6'.)z,ts
* E25w^x2
* @author P,(_y8
*/ g++-v HD
public class CountBean { EEo I|
private String countType; _%23L|
int countId; Mz86bb^J
/** Creates a new instance of CountData */ VvT7v]
public CountBean() {} F,Ve, 7kh
public void setCountType(String countTypes){ Ix<!0!
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this.countType=countTypes; #?,"/Btq
} 8EX?/33$
public void setCountId(int countIds){ #sk~L21A
this.countId=countIds; l;&kX6 w
} Do5.
public String getCountType(){ I?Z"YR+MQ
return countType; ,el[A`b
} W$`#X
public int getCountId(){ U0iV
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return countId; jw
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} HLdHyK/S
} nJ/}b/A{
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CountCache.java )4.-6F7U?
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/* N2Ysi$
* CountCache.java 71ab&V il
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* Created on 2007年1月1日, 下午5:01 XHOS"o$y
* l N0u1)'2
* To change this template, choose Tools | Options and locate the template under 8R-;cBT
* the Source Creation and Management node. Right-click the template and choose 5uOz #hN
* Open. You can then make changes to the template in the Source Editor. mdo$d-d&
*/ Q1x15pVku/
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package com.tot.count; s:(z;cj/
import java.util.*; 'KT(;Vof
/** _OS,zZ0
* [7g-M/jvY
* @author FC||6vJth
*/ N9y+Psh
public class CountCache { W-Vc6cq
public static LinkedList list=new LinkedList(); K5t.OAA:
/** Creates a new instance of CountCache */ E7_OI7C
public CountCache() {} Zb|a\z8 ?
public static void add(CountBean cb){ Mn<s9ITS-
if(cb!=null){ @`8a3sL)
list.add(cb); ?Zk;NL9
} @*- 6DG-f
} Li$2 Gpc/
} 0&b;!N!vJ
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CountControl.java fO
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/* 6`bR'
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* CountThread.java ]*Q,~uV^|
* u8`S*i/)m
* Created on 2007年1月1日, 下午4:57 ,'9R/7%s
* 4HX;9HPHE<
* To change this template, choose Tools | Options and locate the template under UI%4d3
* the Source Creation and Management node. Right-click the template and choose K{V.N<