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: dX:#KdK
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CountBean.java P _3U4J
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/* [E/}-m6g
* CountData.java
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* JqmKD4p
* Created on 2007年1月1日, 下午4:44 $*i"rlJC
* _ 0Ced&i
* To change this template, choose Tools | Options and locate the template under bB|P`lL
* the Source Creation and Management node. Right-click the template and choose R~&i8n.
* Open. You can then make changes to the template in the Source Editor. -6u#:pVpU
*/ qo" _w%{
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package com.tot.count; Um'r6ty
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/** !~~j&+hK\
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* @author Jf=$h20x
*/ nzK"eNDN.
public class CountBean { 3?R QPP
private String countType; :},/D*v
int countId; wam-=3W
/** Creates a new instance of CountData */ 86,$ I+
public CountBean() {} -P3;7_}]:h
public void setCountType(String countTypes){ ,dIo\Lm
this.countType=countTypes; ]/{987
} .}l&lj@#
public void setCountId(int countIds){ y3vm+tJc{
this.countId=countIds; @UidQX"b
} {<3>^ o|"
public String getCountType(){ ;Jrk#7
return countType; #UpxF?A(
} kGX;x}q
public int getCountId(){ ]\t+zF>&Y
return countId; HGjGV]N5
} cWA$O*A
} =wy 3h0k^
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CountCache.java c_r&)8
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/* 2dF:;k k
* CountCache.java /o_h'l|PS
* b|HH9\
* Created on 2007年1月1日, 下午5:01 [d_sd
* axW4cS ?
* To change this template, choose Tools | Options and locate the template under hj.Du+1
* the Source Creation and Management node. Right-click the template and choose sR1
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* Open. You can then make changes to the template in the Source Editor. Z|kMoB
*/ >O{/%(9
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package com.tot.count; $ (gR^L
import java.util.*; @GiR~bKZ
/** D<