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");
    }
}