Block:block实验-源码

上传者: 42104778 | 上传时间: 2021-07-19 10:02:58 | 文件大小: 17KB | 文件类型: ZIP
Block block实验 block传值方式实现 //SecondViewController.h typedef void (^ablock)(NSString *str); //SecondViewController.h @property (nonatomic, strong)ablock returnBlock; //SecondViewController.h - (void)blockMethod:(ablock)block; //SecondViewController.m self.returnBlock(想要传的变量); //SecondViewController.m - (void)blockMethod:(ablock)block{ self.returnBlock = block; } //FirstViewController.m SecondViewCo

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