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: $GIup5
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CountBean.java r[AqA
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/* 'BNZUuUl
* CountData.java Z8WBOf*~e
* uar[D|DcD"
* Created on 2007年1月1日, 下午4:44 : W0;U
* [)nU?l
* To change this template, choose Tools | Options and locate the template under 64f6D"."
* the Source Creation and Management node. Right-click the template and choose rqhRrG{L|&
* Open. You can then make changes to the template in the Source Editor. P^'}3*8S
*/ 8<Ex`
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package com.tot.count; Q=#!wWVP
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/** cDh\$7'b
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* @author H:X(><J
*/ e)]DFP[n
public class CountBean { G/V0Yn""
private String countType; /4,U@s)"/
int countId; n$ZxN"q <
/** Creates a new instance of CountData */ XI;F=r}'
public CountBean() {} RzqU`<//
public void setCountType(String countTypes){ 6('xIE(R
this.countType=countTypes; x!A5j
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} ;`FR1KIg
public void setCountId(int countIds){ dlc'=M
this.countId=countIds;
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} .,gVquqMY
public String getCountType(){ :/i13FQ
return countType; sW!MV v
} (t"rzH
public int getCountId(){ 5z"[{#/
return countId; @gihIysf
} (:|1h@K/R
} 5S&^mj-9
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CountCache.java k:CSH{ s5{
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/* kI/%|L%6D
* CountCache.java RBOhV/f
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* Created on 2007年1月1日, 下午5:01 [I%'\CI;
* HG[gJ7
* To change this template, choose Tools | Options and locate the template under ?/24-n
* the Source Creation and Management node. Right-click the template and choose F1&7m
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* Open. You can then make changes to the template in the Source Editor. #L xfE<^
*/ "nC=.5/$
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package com.tot.count; *ZF:LOnU
import java.util.*; s:Z1
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/** gOm%?sg
* \`WAG>'l5
* @author *AA78G|
*/ fDZnC Fa
public class CountCache { fh@/fd
public static LinkedList list=new LinkedList(); KPI[{T\`ZM
/** Creates a new instance of CountCache */ >2;KPV0H
public CountCache() {} u9%AK g}~
public static void add(CountBean cb){ &