init 和 initWithFrame 区别

#import "BFView.h"

@implementation BFView

- (instancetype)init{
    
   self = [super init];
    
    NSLog(@"%@",NSStringFromCGRect(self.frame));
    
    return self;
    
}

- (instancetype)initWithFrame:(CGRect)frame{
    
    self = [super initWithFrame:frame];
    
    NSLog(@"%@",NSStringFromCGRect(self.frame));
    
    return self;
}

#import "ViewController.h"
#import "BFView.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    
    
    [super viewDidLoad];
    
    BFView *bfv = [[BFView alloc]init];
    
    BFView *bfv2 = [[BFView alloc]initWithFrame:CGRectMake(3, 4, 5, 6)];

}



@end