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: (1T2?mO
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CountBean.java ,F`:4=H%
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/* h@7Shp
* CountData.java W'hE,
* zM%ILv4
* Created on 2007年1月1日, 下午4:44 awQf$
* .?UK`O2Q
* To change this template, choose Tools | Options and locate the template under vE0Ty9OH"]
* the Source Creation and Management node. Right-click the template and choose 3P-qLbJ
* Open. You can then make changes to the template in the Source Editor. h7c8K)ntnf
*/ :A%uXgK<k
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package com.tot.count; J?&lpsB3_l
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/** J)vP<.3:
* -g(&5._,ZW
* @author oqH811
*/ 2T3v^%%j
public class CountBean { }A3(g$8KR
private String countType; |FGt'
int countId; qRT1W re
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/** Creates a new instance of CountData */ `d2}>
public CountBean() {} M)C.bo{p
public void setCountType(String countTypes){ D_ybgX?0:
this.countType=countTypes; Y
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} xWWfts1t
public void setCountId(int countIds){ /PH+K24v~
this.countId=countIds; h~)oiT2v
} B- =*"H?q
public String getCountType(){ xwhH_[
return countType; w'oP{=y[
} ) E.KB6
public int getCountId(){ 6*u#^">,<
return countId; t33/QW
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}
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CountCache.java A rC4pT
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/* 0|E!e
* CountCache.java N>!RKf:ir
* I9O!CQCTt
* Created on 2007年1月1日, 下午5:01 +O>!x#)&"
* ,TPNsz|Q
* To change this template, choose Tools | Options and locate the template under s1.YH?A;
* the Source Creation and Management node. Right-click the template and choose S G|``}OA
* Open. You can then make changes to the template in the Source Editor. Tu2BQ4\[
*/ Fn.wd`'0
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package com.tot.count; ig:,: KN
import java.util.*; A ^@:Ps
/** P -0
* 9r=@S
* @author XF(0>-
*/ L/dG0a@1X
public class CountCache { H)S" `j
public static LinkedList list=new LinkedList(); 2V%si 6
/** Creates a new instance of CountCache */ ${Cb1|g>j
public CountCache() {} >Vz Gx(7q
public static void add(CountBean cb){ (~}IoQp>
if(cb!=null){ >U.TkB
list.add(cb); |3`Sd;^;
} ^vmT=f;TM
} F!OVx<
} {)nm
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CountControl.java 6!7LgM%4
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/* d~@&*1}
* CountThread.java -jy-KC
* rM<|<6(L
* Created on 2007年1月1日, 下午4:57 m-9{@kgAM?
* EEFM1asJf
* To change this template, choose Tools | Options and locate the template under qXPjxTg{[
* the Source Creation and Management node. Right-click the template and choose o5?f]Uq5 ,
* Open. You can then make changes to the template in the Source Editor. yk OJhd3
*/ OEmz`JJ67
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package com.tot.count; #ky]@vyO
import tot.db.DBUtils; I:l<t*
import java.sql.*; 2 Pn
/** Z ?`
* 9SF2
* @author yx?Z&9z <