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: |w.h97fj
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CountBean.java oC}2 Z{
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/* ^+O97<#6C
* CountData.java B=HEi\55K
* A2''v3-h8
* Created on 2007年1月1日, 下午4:44 =}%Q}aPp
* y]}N[l
* To change this template, choose Tools | Options and locate the template under S\sy] 1*?$
* the Source Creation and Management node. Right-click the template and choose <_yy0G
* Open. You can then make changes to the template in the Source Editor. Tbj}04;I
*/ q{XeRQ'/
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package com.tot.count; qT^0
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/** 4U*CfdZZ
* ) ):w`^6
* @author :8U@KABH@h
*/ 2Yg\<PsN
public class CountBean { Uy<n7*H
private String countType; 0RHjA&r3v
int countId; )CD-cz6n
/** Creates a new instance of CountData */ )v %tyU
public CountBean() {} 11B8 LX
public void setCountType(String countTypes){ w"Y'I$
this.countType=countTypes; `V{'GF&[
} ok{
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public void setCountId(int countIds){ ?~X^YxWsY
this.countId=countIds; s1J(-O
} GHFYIor
public String getCountType(){ I\f\k>;
return countType; y'_2|5!Qs
} 0Vj!'=Ntv
public int getCountId(){ [bjP-pX
return countId; r85j/YK
} MPMAFs
} %:8XZf
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CountCache.java V U~r~
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/* QG
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* CountCache.java g2 tM!IRQ
* ;FnS=Z
* Created on 2007年1月1日, 下午5:01 WfYC`e7q
* )D"2Q:
* To change this template, choose Tools | Options and locate the template under v[~Q
* the Source Creation and Management node. Right-click the template and choose _ .xicov
* Open. You can then make changes to the template in the Source Editor. ,f$ftn\~j/
*/ r[P+F
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package com.tot.count; vP^V3
import java.util.*; 6*s:I&