Initialize实现单例 May 9th, 2014 | Comments 查看NSObject类initialize方法方法的文档时,发现其可以用来实现单例模块。 代码如下: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 @implementation QBaseObject static QBaseObject *_sharedBaseObject; static BOOL _initialized = NO; + (void)initialize { if (!_initialized) { _sharedBaseObject = [[QBaseObject alloc] init]; _initialized = YES; } } @end