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: ew~uOG+
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CountBean.java wuxOFlrg
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/* !>wu7u-
* CountData.java a+CJJ3T-
* #7sxb
* Created on 2007年1月1日, 下午4:44 A[`c+&
* ~(NFjCUY?
* To change this template, choose Tools | Options and locate the template under 1K)9fMr]
* the Source Creation and Management node. Right-click the template and choose p%X.$0
* Open. You can then make changes to the template in the Source Editor. ,`'A"]"
*/ O3dQno
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package com.tot.count; 0r[a$p>`
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/** 7:=(yBG
* EM1HwapD
* @author D8xE"6T>
*/ F x$W3FIO]
public class CountBean { YACx9K H
private String countType; 0LIXkF3^1
int countId; NXz/1ut%
/** Creates a new instance of CountData */ BPKrRex
public CountBean() {} gx eu2HG
public void setCountType(String countTypes){ nE0I [T(
this.countType=countTypes; $GQEdVSNo
} - K"L6m|
public void setCountId(int countIds){ .b!HEi<F
this.countId=countIds; KV'3\`v@LY
} .m%5Esx
public String getCountType(){ hYA1N&yz@
return countType; HCYy9
} bP|-GCKM8
public int getCountId(){ \<y|[
return countId; -]YsiE?r
} Nr"GxezU+A
} _j{)%%?r
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CountCache.java Y(ClG*6 ++
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/* 74(bo\
* CountCache.java qC=ZH#
* 7C_U:x
* Created on 2007年1月1日, 下午5:01 Dr(;A>?qG
* !+YSc&R_fW
* To change this template, choose Tools | Options and locate the template under 1gvh6eE
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* the Source Creation and Management node. Right-click the template and choose hh.`Yu L
* Open. You can then make changes to the template in the Source Editor. B{S^t\T$
*/ ]n'.}"8Kn
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package com.tot.count; %x}Unk
import java.util.*; jH;L7
/** ^L\w"`,~
* up~p_{x)Q
* @author Y[m*
*/ 4
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public class CountCache { N[DKA1Ei
public static LinkedList list=new LinkedList(); %+;am Rb
/** Creates a new instance of CountCache */ 8Bxb~*
public CountCache() {} 41rS0QAM
public static void add(CountBean cb){ &`-e; Xt
if(cb!=null){ O -p^S
list.add(cb); <K/iX%b?
} WS1Y maV
} V.yDZ"
} uMZ<i}
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