查询某个字段不为中文的 select * from 表名 where 字段名 REGEXP [\u0391-\uFFE5] 查询某个字段以数字开头 select * from 表名 where 字段名 REGEXP [0-9].*转载于:https://www.cnblogs.com/spicy/p/8038442.html
模式类型: Flyweight 享元模式 - 结构型模式 意图: The intent of this pattern is to use sharing to support a large number of objects that have part of their internal state in common where the other part of state can vary. 运用共享…