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: =RW*
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CountBean.java f"ZqA'KB#
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/* ;uM34^
* CountData.java ,-cpsN
* J+/}K>2#
* Created on 2007年1月1日, 下午4:44 vCy.CN$
* XJ
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* To change this template, choose Tools | Options and locate the template under ~h>rskJ_
* the Source Creation and Management node. Right-click the template and choose m6bWmGnGC
* Open. You can then make changes to the template in the Source Editor. .KT 7le<Zm
*/ hV3,^#9o
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package com.tot.count; WX%h4)z*
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/** }"%!(rx
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* @author <_BqpZ^`
*/ SE-!|WR
public class CountBean { ^w;o \G
private String countType; _qC+'RE3
int countId; `YFkY^T
/** Creates a new instance of CountData */ 1zb$5 {,|
public CountBean() {} ^Ei*M0fF
public void setCountType(String countTypes){ ~I8v5 H
this.countType=countTypes; +?URVp
} ,X9hl J
public void setCountId(int countIds){ ;eS;AHZ
this.countId=countIds; >%iu!H"
} S`pF7[%rp
public String getCountType(){ !6XvvTs/<
return countType; t Y:G54d=_
} hrJ$%U
public int getCountId(){ 9O),/SH;:
return countId; g>6:CG"
} kbfuvJ>
} [b7it2`dl
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CountCache.java q6;OS.f
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/* +
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* CountCache.java O]e6i%?
* 2^zg0!z
* Created on 2007年1月1日, 下午5:01 7^kH8qJ)
* z{Hz;m:*_
* To change this template, choose Tools | Options and locate the template under $?H]S]#|}.
* the Source Creation and Management node. Right-click the template and choose M?E9N{t8)a
* Open. You can then make changes to the template in the Source Editor. _Ct}%-,4
*/ EsT0"{
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package com.tot.count; j G+T.
import java.util.*; y,'FTP9?
/** <