uibutton

gistfile1.txt

#import <QuartzCore/QuartzCore.h>
@interface ViewController ()

@end

@implementation ViewController

-(void)go:(id)sender
{
    NSLog(@"GGGG");
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    UIButton *btn  = [[UIButton alloc] initWithFrame:CGRectMake(100, 100, 100, 30)];
        btn.frame =  CGRectMake(100, 100, 100, 30);
    btn.layer.masksToBounds = YES;
    btn.layer.cornerRadius = 4;

    [btn setTitle:@"获取" forState:UIControlStateNormal];
   [btn setBackgroundColor:[UIColor blueColor]];
    [btn setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
    [btn addTarget:self action:@selector(go:) forControlEvents:UIControlEventTouchUpOutside];
    
    [self.view addSubview:btn];
	// Do any additional setup after loading the view, typically from a nib.
}