设置UIView圆角边和边框的方法

2015-05-15 22:36  阅读 3,038 次 评论 0 条

backView 是集成UIView的任何子类对象

backView.layer.borderWidth = 1.0;

backView.layer.cornerRadius = 4.0;

backView.clipsToBounds = YES;

如果要设置两个圆角,而不是四个角可以使用

Create a CAShapeLayer
Set its path to be a CGPathRef based on view.bounds but with only two rounded corners (probably by using +[UIBezierPath bezierPathWithRoundedRect:byRoundingCorners:cornerRadii:])
Set your view.layer.mask to be the CAShapeLayer

    UIView*view =[[UIView alloc] initWithFrame:frame];
    CALayer*layer =[CALayer layer];
    UIBezierPath*shadowPath =[UIBezierPath bezierPathWithRoundedRect:frame byRoundingCorners:(UIRectCornerTopLeft|UIRectCornerTopRight) cornerRadii:CGSizeMake(3.0,3.0)];
    layer.shadowPath = shadowPath.CGPath;
    view.layer.mask = layer;

设置边框

    UIView *backView = [[UIView alloc] init];
    backView.layer.borderColor = [[UIColor whiteColor] CGColor];
    backView.layer.borderWidth = 1.0;
    backView.layer.cornerRadius = 4.0;
    backView.clipsToBounds = YES;
    backView.layer.masksToBounds = YES;
    backView.frame = self.view.frame;

历史上的今天:

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