Mac获取版本

// 获取系统版本

NSString *versionString;
NSDictionary * sv = [NSDictionary dictionaryWithContentsOfFile:@"/System/Library/CoreServices/SystemVersion.plist"];
versionString = [sv objectForKey:@"ProductVersion"];
NSLog(@"%@", versionString);
NSString* major = @"";
NSString* minjor = @"";
NSArray* majminor = [versionString componentsSeparatedByString:@"."];
LOG_INFO("Verify_CORE_ML 26.3");
major = [majminor objectAtIndex:0];
LOG_INFO("Verify_CORE_ML 26.4");
minjor = [majminor objectAtIndex:1];