textview对象.layer.borderWidth = 5; //必须设置宽度,否则加不上
textview对象.layer.cornerRadius = 4;//圆角弧度
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];
- (void)buttonDonwRecover:(id)sender
{
UIButton *btn = (UIButton *)sender;
}
//加下划线
NSMutableAttributedString *str = [[NSMutableAttributedString alloc] initWithString:self.resgiterButton.titleLabel.text];
NSRange strRange = {0,[str length]};
[str addAttribute:NSUnderlineStyleAttributeName value:[NSNumber numberWithInteger:NSUnderlineStyleSingle] range:strRange];
[self.resgiterButton setAttributedTitle:str forState:UIControlStateNormal];