摘要: 1、作为局部变量 returnType (^blockName)(parameterTypes) = ^returnType(parameters) {...}; 2、作为类的属性 @property (nonatomic, copy, nullability) returnType (^block 阅读全文
posted @ 2016-05-17 14:18 Y好大的棉花糖 阅读(287) 评论(0) 推荐(0)