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: h[lh01z
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CountBean.java #[i({1`^L
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/* 54'z"S:W
* CountData.java Ur@'X-
* FD`V39##
* Created on 2007年1月1日, 下午4:44 IzL
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* sxuYwQ
* To change this template, choose Tools | Options and locate the template under Z#Zk)
* the Source Creation and Management node. Right-click the template and choose zCco/]h
* Open. You can then make changes to the template in the Source Editor. TI*uNS;-
*/ UnO -?
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package com.tot.count; r-!8in2
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/** "C0oFRk
* Nz]\%c/-
* @author xUeLX`73
*/ (>Tu~Vo
public class CountBean { =UYc~VUYnT
private String countType; oR5`-
int countId; U~T/f-CT
/** Creates a new instance of CountData */ 7Y$p3]0e+
public CountBean() {} 4{J%`H`Q!
public void setCountType(String countTypes){ 4W1"=VL[g
this.countType=countTypes; Z-/ E$j
} 43(+3$V M7
public void setCountId(int countIds){ N}^\$sVu_
this.countId=countIds; :Tjo+vw7$H
} xl<Cstr
public String getCountType(){ "4ovMan
return countType; N2x\O~7
} |#MA?oz3T
public int getCountId(){ JM!o(zbt
return countId; EmH2 Dbw
} yCmiW
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} X#pE!mT
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CountCache.java tt`b+NOH>
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/* /r]IY.
* CountCache.java WAob"`8]
* fc&4e:Ve
* Created on 2007年1月1日, 下午5:01 g8B@M*JA
* &|',o ?'F
* To change this template, choose Tools | Options and locate the template under ^TDHPBlG
* the Source Creation and Management node. Right-click the template and choose JA1(yt
* Open. You can then make changes to the template in the Source Editor. }b~ZpUL!
*/ =m1B1St 2
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package com.tot.count; 9?]4s-~
import java.util.*; :PjHs Np;^
/** *%Q!22?6F
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* @author /<M08ze
*/ >0u4>=#
public class CountCache { nC2A&n