_interestedBtn = [UIButton buttonWithType:UIButtonTypeCustom];
_interestedBtn.layer.cornerRadius = 8;
_interestedBtn.layer.borderColor = [UIColor orangeColor].CGColor;
_interestedBtn.layer.borderWidth = 1;
_interestedBtn.layer.masksToBounds = YES;
[_interestedBtn setTitle:@"感兴趣" forState:UIControlStateNormal];
[_interestedBtn setTitle:@"已感兴趣" forState:UIControlStateSelected];
[_interestedBtn setTitleColor:[UIColor orangeColor] forState:UIControlStateNormal];
[_interestedBtn setTitleColor:[UIColor lightGrayColor] forState:UIControlStateSelected];
[_interestedBtn addTarget:self action:@selector(interestedBtnAction:) forControlEvents:UIControlEventTouchUpInside];
[self.contentView addSubview:_interestedBtn];
-(void)interestedBtnAction:(UIButton *)sender{
sender.selected = !sender.selected;
if (sender.selected) {
_interestedBtn.layer.cornerRadius = 8;
_interestedBtn.layer.borderColor = [UIColor lightGrayColor].CGColor;
_interestedBtn.layer.borderWidth = 1;
_interestedBtn.layer.masksToBounds = YES;
}else{
_interestedBtn.layer.cornerRadius = 8;
_interestedBtn.layer.borderColor = [UIColor orangeColor].CGColor;
_interestedBtn.layer.borderWidth = 1;
_interestedBtn.layer.masksToBounds = YES;
}
}