1: 原子性 atomic , nonatomic
2:读写 readwrite, readonly
3:内存管理 assign, strong, weak, unsafe_unretained, copy
4: getter, setter
1: 原子性 atomic , nonatomic
2:读写 readwrite, readonly
3:内存管理 assign, strong, weak, unsafe_unretained, copy
4: getter, setter
本文标题:@property中有哪些属性关键字?
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