UI其他属性

import "ViewController.h"

@interface ViewController () @property (weak, nonatomic) IBOutlet UILabel *label;

@end

@implementation ViewController

(void)viewDidLoad {

}

(IBAction)btnClick {

UIView *tempView=[[UIView alloc]init];

tempView.backgroundColor=[UIColor orangeColor];

tempView.frame=CGRectMake(10, 10, 56, 45);

[self.view addSubview:tempView];

}