iOS开发--UIButton 设置圆角 边框颜色 点击回调方法

UIButton *signBtn = [UIButton buttonWithType:UIButtonTypeCustom];
signBtn.frame = CGRectMake(0, 0, 80, 40);
[signBtn.layer setMasksToBounds:YES];
[signBtn.layer setCornerRadius:10.0]; //设置矩形四个圆角半径
[signBtn.layer setBorderWidth:1.0]; //边框宽度
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
CGColorRef colorref = CGColorCreate(colorSpace,(CGFloat[]){ 1, 0, 0, 1 });
[signBtn.layer setBorderColor:colorref];//边框颜色
[signBtn setTitle:@"还  原" forState:UIControlStateNormal];//button title
[signBtn setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];//title color
[signBtn addTarget:self action:@selector(buttonDonwRecover:) forControlEvents:UIControlEventTouchUpInside];//button 点击回调方法
signBtn.backgroundColor = [UIColor whiteColor];