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: xT)psM'CL
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CountBean.java 8g>b
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/* U#o'H @
* CountData.java 6R29$D|HFO
* 7.+#zyF
* Created on 2007年1月1日, 下午4:44 9=/N|m8.
* Bz`yfl2
* To change this template, choose Tools | Options and locate the template under kV Rn`n0
* the Source Creation and Management node. Right-click the template and choose /+3a n9h
* Open. You can then make changes to the template in the Source Editor. N6[i{;K@N{
*/ 5b6s4ZyV
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package com.tot.count; Zzl,gy70
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/** :;!\vfZbU
* 'iLH `WE
* @author ;bX4(CMe
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*/ H2-28XGc
public class CountBean { oAZh~~tp
private String countType; te4= S
int countId; O8N[Jl
/** Creates a new instance of CountData */ O;]?gj 1@
public CountBean() {} Sb:T*N0gS
public void setCountType(String countTypes){ cxYfZ4++m
this.countType=countTypes; ]> Y/r-!
} @)8]e
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public void setCountId(int countIds){ 7CB#YP?E
this.countId=countIds; u.|~$yP.!
} w h$jr{
public String getCountType(){ '7im
return countType; dy>|cj
} - n6jG}01b
public int getCountId(){ RX2{g^V7
return countId; s-VSH
} fH8!YQG8$
} [&P`ak
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CountCache.java 7nHTlI1b
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/* cub<G!K
* CountCache.java ^`qPs/b
* p11G#.0
* Created on 2007年1月1日, 下午5:01 Jll-X\O`-
* O hR1Jaed
* To change this template, choose Tools | Options and locate the template under rFL$QC2
* the Source Creation and Management node. Right-click the template and choose 396R$\q
* Open. You can then make changes to the template in the Source Editor. S C_|A9
*/ >AI<60/<
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package com.tot.count; ,dd WBwMK
import java.util.*; aN^IP
/** lz~J"$b
* s([Wn)I
* @author <2P7utdZ
*/ )8{6+{5lu
public class CountCache { j:1uP^.
public static LinkedList list=new LinkedList(); =`I?mn&
/** Creates a new instance of CountCache */ 3,.%
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public CountCache() {} -0,4egj3
public static void add(CountBean cb){ Dr"/3xm
if(cb!=null){ mPVE?jnR^0
list.add(cb); ".2A9]_s
} ?|t/mo|K?
} -'C!"\%
} s=EiH
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CountControl.java IvW@o1Q
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/* +CTmcbyOi
* CountThread.java T 0 FZ7
* 9[|4[3K
* Created on 2007年1月1日, 下午4:57 r7)@M%A
* @%@zH%b
* To change this template, choose Tools | Options and locate the template under {(vOt '
* the Source Creation and Management node. Right-click the template and choose ,{j4
* Open. You can then make changes to the template in the Source Editor. GzdgL"M[
*/ .T3=Eq&"W
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package com.tot.count; =2oUZjA
import tot.db.DBUtils; M<