+(CoachType *)sharedInstance{ static CoachType *sharedInstance = nil; static dispatch_once_t onceToken; dispatch_once(&onceToken, ^{ sharedInstance = [[CoachType alloc] init]; }); return sharedInstance; }
posted on 2015-07-06 17:13 大木哥 阅读(229) 评论(0) 编辑 收藏 举报
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