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: hP$5>G(3
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CountBean.java kc<5wY_t
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/* A[m<xtm5K
* CountData.java >v)V2,P
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* Created on 2007年1月1日, 下午4:44 M9?f`9
* S84S/y
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* the Source Creation and Management node. Right-click the template and choose 8\p"V.o>
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package com.tot.count; O)D$UG\<
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/** #44}Snz
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* @author U^]@0vR
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public class CountBean { *E+VcU
private String countType; FsS.9
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int countId; .@$A~/ YU
/** Creates a new instance of CountData */ LMuDda
public CountBean() {} 35 L\
public void setCountType(String countTypes){ 9+ |W;
this.countType=countTypes; 1\nzfxx
} [}l#cG6 k
public void setCountId(int countIds){ ]GD&EQ
this.countId=countIds; wj5,_d)
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public String getCountType(){ taMcm}*T1
return countType; PsOq-
} [~c_Aa+6N
public int getCountId(){ Y^ y:N$3$\
return countId; _7~q|
} PcjeuJZ
} .o]9
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CountCache.java VCwC$ts
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/* wN^^_
* CountCache.java rV} 5&N*c
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* Created on 2007年1月1日, 下午5:01 &h_Y?5k K
*
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* To change this template, choose Tools | Options and locate the template under HMDuP2Y
* the Source Creation and Management node. Right-click the template and choose r! [Qpb-:
* Open. You can then make changes to the template in the Source Editor. \:+ NVIN
*/ ~+V$0Q;L
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package com.tot.count; xxwbX6^d
import java.util.*; $ wDSED -
/** Cq'{%
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* @author 1(RRjT9
*/ {?"X\5n0
public class CountCache { -*OL+
public static LinkedList list=new LinkedList(); (:\L@j
/** Creates a new instance of CountCache */
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public CountCache() {} $4qM\3x0,
public static void add(CountBean cb){ ]9c{qm}y
if(cb!=null){ c
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list.add(cb); {Ppb ;
} C6h[L
} _!Pi+l4p/}
} H328I}7
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CountControl.java Qvel#*-4
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/* <0? r#
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* CountThread.java qq3/K9 #y
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* Created on 2007年1月1日, 下午4:57 a .?AniB0
* yu&mu