Swift and OC Mixed

How OC calls Swift: Add the Import "xxxx-swift.h" header file to

Swift calls OC method: need to establish bridging: Xxxx-bridging-header.h header file (build method self-Baidu)

Attention:

1. When Swift calls OC's Singleton method, the direct xxxx (), () can have a parameter, for example:

Code in OC

@interface hpmodel:nsobject+ (instancetype) model; @end

Swift calls

Let Model:hpmodel = Hpmodel ()

Replace the + (instancetype) model directly with Hpmodel ()

2.Swift protocol If called in OC, you need to add it before the Protocol protocol keyword @objc

3.Swift to prevent circular reference, directly used in front of Var plus weak can be

Swift and OC Mixed