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(, , , );

 [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[]){ , , ,  });

 [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];