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: i~!g9o(
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CountBean.java !?,,
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/* NEBhVh
* CountData.java *bK=<{d1P
* & 9e
* Created on 2007年1月1日, 下午4:44 w-).HPe
* Y.m1d ?H 1
* To change this template, choose Tools | Options and locate the template under 1hbQ30
* the Source Creation and Management node. Right-click the template and choose 4MC]s~n
* Open. You can then make changes to the template in the Source Editor. M+t)#O4
*/ 0akJv^^D
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package com.tot.count; `xM*cJTZ
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/** U&3!=|j
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* @author $1=7^v[U
*/ 4~
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public class CountBean { x8lBpr
private String countType; b^R:q7ea
int countId; a`Bp^(f}
/** Creates a new instance of CountData */ N[@~q~v
public CountBean() {} 3]S*p ErY
public void setCountType(String countTypes){ \O*ZW7?TJ
this.countType=countTypes; |QS|\8g{0V
} CC^D4]ug
public void setCountId(int countIds){ q}i#XQU
this.countId=countIds; x& _Y( bHA
} kQI'kL8>
public String getCountType(){ ij:xr% FJ
return countType; /5 z+N(RFC
} a;$V;3C{b&
public int getCountId(){ t %u0=V
return countId; {GtX:v#
} vU *: M8k
} <xBL/e
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CountCache.java /
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/* nZiwR4kM
* CountCache.java Xg.Lo2s
* [fCnq
* Created on 2007年1月1日, 下午5:01 aVr(*s;/
* ~xzr8 P
* To change this template, choose Tools | Options and locate the template under [vI ;A!
* the Source Creation and Management node. Right-click the template and choose 9T;>gm
* Open. You can then make changes to the template in the Source Editor. -75mgOj.#
*/ m
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package com.tot.count; h_-4Q"fb(
import java.util.*; &y0Gdzf