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: L4'[XcY
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CountBean.java F@W*\3)
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/* }0/a\
* CountData.java F1W+o?B
* )c<6Sfp^B
* Created on 2007年1月1日, 下午4:44 aq>?vti1D
* M@7Xp)S"
* To change this template, choose Tools | Options and locate the template under {[#(w75R{
* the Source Creation and Management node. Right-click the template and choose 8n)WW$
* Open. You can then make changes to the template in the Source Editor. ]r"Yqv3
*/ Zr/r2
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package com.tot.count; yY=<'{!
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/** n~r 9!m$<
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* @author N +Sq}hI
*/ s;.=5wcvi?
public class CountBean { R, 0Oq5
private String countType; R{}qK r
int countId; :=. *I
/** Creates a new instance of CountData */ !k&)EWP?
public CountBean() {} ~l4f{uOD>]
public void setCountType(String countTypes){ F8mC?fbK9
this.countType=countTypes; Yv\!vW7I
} TUTe9;)
public void setCountId(int countIds){ |r=DBd3
this.countId=countIds; ExhL[1E
} HtBF=Boq
public String getCountType(){ &a #GXf
return countType; HYClm|
}
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public int getCountId(){ szq+@2:
return countId; 4<gJ2a3
} f\o
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} /&s}<BMHU
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CountCache.java MOZu.NmO
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/* zB)%lb
* CountCache.java s (PY/{8
* >;lKLGJrd>
* Created on 2007年1月1日, 下午5:01 \Ow,CUd
* vA>W9OI
* To change this template, choose Tools | Options and locate the template under ,b.n{91[]x
* the Source Creation and Management node. Right-click the template and choose wh6&>m#r
* Open. You can then make changes to the template in the Source Editor. GW
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*/ l)Mh2lA,=
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package com.tot.count; $$gtZ{ukQ
import java.util.*; 0s%6n5>
/** hPO>,j^
* Q<