[[NSWorkspace sharedWorkspace] activateFileViewerSelectingURLs:urls];
/* Activate the Finder, and open one or more windows selecting the files at the given fileURLs. */
- (void)activateFileViewerSelectingURLs:(NSArray *)fileURLs NS_AVAILABLE_MAC(10_6);
相当于windows 的在资源管理器中浏览
原文：http://www.cnblogs.com/skyfei/p/4647933.html