iOS：虚线边框韩博主-

#pragma mark - 控件虚线边框 /**  给控件设置虚线边框   @param strokeColor 边框颜色  @param fillColor 控件填充颜色  @param rect 控件的bound  @param width 虚线的宽度  @param pattern 虚线的间隔：数组  @param radius 控件的圆角  @return layer  */ -(CAShapeLayer *)newLayer:(UIColor *)strokeColor fillColor:(UIColor *)fillColor rect:(CGRect)rect width:(CGFloat)width pattern:(NSArray *)pattern radius:(CGFloat)radius{          CAShapeLayer *layer = [CAShapeLayer layer];     layer.strokeColor = strokeColor.CGColor;     layer.fillColor = fillColor.CGColor;     UIBezierPath *path = [UIBezierPath bezierPathWithRoundedRect:rect cornerRadius:radius];     layer.path = path.CGPath;     layer.frame = rect;     layer.lineWidth = width;     layer.lineDashPattern = pattern;     layer.masksToBounds = YES; return layer; } 

调用

    UIButton *btn = [UIButton buttonWithType:UIButtonTypeCustom];     btn.frame = CGRectMake(16, 0, self.view.frame.size.width - 32, 45); [btn setTitle:@"确定" forState:UIControlStateNormal]; [btn setTitleColor:[UIColor orangeColor] forState:UIControlStateNormal];     btn.titleLabel.font = [UIFont systemFontOfSize:17];     btn.layer.masksToBounds = YES; [self.view addSubview:btn]; [btn.layer addSublayer:[self newLayer:theme_Color fillColor:[UIColor clearColor] rect:btn.bounds width:1.0 pattern:@[@(2)] radius:5]];