iOS 给Button加边框、切圆角、

UIButton *skipButton = [[UIButton alloc]initWithFrame:CGRectMake(DDScreenW*0.8, DDScreenW*0.1, 60, 25)];
[skipButton setTitle:@"跳过" forState:UIControlStateNormal];
[skipButton.titleLabel setFont:[UIFont systemFontOfSize:14.0]];
[skipButton setBackgroundColor:[UIColor whiteColor]];
[skipButton setTitleColor:BLUE_COLOR forState:UIControlStateNormal];
[skipButton.layer setCornerRadius:(skipButton.frame.size.height * 0.5)];
skipButton.layer.borderColor = [BLUE_COLOR CGColor];
skipButton.layer.borderWidth = 1.5f;
[skipButton addTarget:self action:@selector(buttonClick:) forControlEvents:UIControlEventTouchUpInside];
[self addSubview:skipButton];

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