项目打开指定文件

通过Safari打开指定文件

- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {    // Insert code here to initialize your application    // 这个是通过safari打开    NSString *fileExtension = @"png";    NSArray *UTIs = (__bridge NSArray *)UTTypeCreateAllIdentifiersForTag(kUTTagClassFilenameExtension,                                                                         (__bridge CFStringRef)fileExtension,                                                                         nil);    for (NSString *UTIType in UTIs)    {        LSSetDefaultRoleHandlerForContentType((__bridge CFStringRef)UTIType,                                              kLSRolesEditor,                                              (__bridge CFStringRef)@"com.apple.Safari");    }}