以按钮为例:
UIButton btn = [UIButton new];
btn.layor.cornerRadius = 10.0;
btn.layor.width = 2.0;
btn.layor.borderColor = [UIColor redColor].CGColor;
btn.layor.borderWidth = 2.0;
[btn setTitle:@"刷新" forState:UIControlStateNormal];
btn.titleLabel.font = [UIFont systemFontOfSize:15];
原文:http://www.cnblogs.com/SimonGao/p/5051361.html