Objective-C 里的 interface 是非正式协议而不是接口吗？

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3 replies • 2016-01-21 17:25:08 +08:00

Alchemistxxd

Jan 15, 2016

.h 的 @interface 是接口， .m 的 @interface 是类扩展， category 里也有 @interface ，类扩展又叫匿名 category ，非正式协议等价于 category ，其实都一样，就是你声明方法和变量的地方。

xi_lin

Jan 17, 2016

protocol 更像接口

pinxue

Jan 21, 2016

对照某些其它编程语言
@interface == class
@protocol == interface