摘要: @property (nonatomic,copy)NSString * lazyStr; getter: - (NSString *)lazyStr{ if (!_lazyStr) { NSLog(@"%@",_lazyStr); _lazyStr = @"123"; NSLog(@"%@",_l 阅读全文
posted @ 2016-12-13 11:17 Ruby_c 阅读(2487) 评论(0) 推荐(0) 编辑