MySQL空间函数实现位置打卡
复制CREATETABLE `polygon` ( `id` int(10) unsigned NOTNULL AUTO_INCREMENT,间函 `name` varchar(255) DEFAULTNULL, `polygon` polygon NOTNULL, PRIMARYKEY (`id`), SPATIAL KEY `d` (`polygon`) ) DEFAULT CHARSET=utf8; 1.2.3.4.5.6.7.
复制CREATETABLE `polygon` ( `id` int(10) unsigned NOTNULL AUTO_INCREMENT,间函 `name` varchar(255) DEFAULTNULL, `polygon` polygon NOTNULL, PRIMARYKEY (`id`), SPATIAL KEY `d` (`polygon`) ) DEFAULT CHARSET=utf8; 1.2.3.4.5.6.7.