文章流量统计，是否必须每次浏览都读写一次数据库?-PHP Tutorial-php.cn

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文章流量统计，是否必须每次浏览都读写一次数据库?

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Jun 23, 2016 pm 01:54 PM

databasearticleBrowsestatistics

比如一个新闻系统

文章表是news, 开个count栏记录流量?

想在文章中显示被浏览的次数

是否只在php中做成...每次访问

都在news中读出count栏的数值，然后+1

再写入?

这样会否对流量大点的时候做成负载太重?

是否也只能这样做?

我有使用到smarty模板引擎
除了做局部不cahac还有什么需要注意吗?

比如写成...：
$hits_now = $row["hits"]+1;
$pdo->exec("UPDATE `news` SET `hits`='$hits_now' WHERE `id` = '$id'");
这么简直的SQL就直接EXEC了吧?

回复讨论(解决方案)

1、只用数据库的话是需要每次做更新的（点击字段所在的表如果索引正常的话，每天浏览量在50万PV以下没压力的
2、语句注意过滤注入

可以将访问次数放在缓存中，例如 memcache 或者 redis 中之类。统计开始的时候读取一次流量，保存在缓存中，每次用户访问都将变量加一，到统计时间点的时候再将其保存回数据库即可。。。这样每次统计只需在最开始和最后两次读写数据库了。一次读一次写。。

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