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: r-,%2y?
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CountBean.java 8C40%q..
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/* -uS!\
* CountData.java EAUEQk?9
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* Created on 2007年1月1日, 下午4:44 `Gs9Xmc|
* j/DzCc p7
* To change this template, choose Tools | Options and locate the template under )+#` CIv
* the Source Creation and Management node. Right-click the template and choose ]U+LJOb
* Open. You can then make changes to the template in the Source Editor. juJklSD
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package com.tot.count; "69s)~
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/** :@Pl pFK
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* @author +w`2kv
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public class CountBean { ~g91Pr
private String countType; #<fRE"v:Q
int countId; ZtNN<7
/** Creates a new instance of CountData */ (g]!J_Z"
public CountBean() {} cZ,b?I"Q%
public void setCountType(String countTypes){ Xg6Jh``
this.countType=countTypes; soxc0OlN
} gb1V~
public void setCountId(int countIds){ 2Ah#<k-gC;
this.countId=countIds; {p2!|A&a
} 9
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public String getCountType(){ RHW]Z
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return countType; AI2)g1m
} z^B,:5Tt
public int getCountId(){ \
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return countId; +Ze}B*0
} )D
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} iI T;K@&
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CountCache.java #\{l"-
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/* 4>
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* CountCache.java &ANf!*<\E
* b=C*W,Q_#
* Created on 2007年1月1日, 下午5:01 "S[450%
* (MM]N=Tw4
* To change this template, choose Tools | Options and locate the template under yZY \MB/
* the Source Creation and Management node. Right-click the template and choose i}f"yO+Q+
* Open. You can then make changes to the template in the Source Editor. iQ67l\{R
*/ LENq_@$
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package com.tot.count; _;S-x
import java.util.*; >NV@R&
/** J3V=
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* @author ELoDd&