今天在做项目的时候,遇到一个问题,grouped类型的tableview 怎么样才能让他们的一个view 其中一个角圆角?
如上图所示,其实我是用UILabel,但是箭头的位置总是尖的不太好看.设置layer.border 又让其他的角也圆了.有没有办法只让指定的角圆,并圆成合适的大小呢?
答案是有的..下面不废话,直接上代码了.
新建一个category : UIVew+Roundify
1 // 2 // UIVew+Roundify.h 3 // TNS4Golfers 4 // 5 // Created by yingkong1987 on 13-9-14. 6 // Copyright (c) 2013年 yingkong1987. All rights reserved. 7 // 8 9 10 11 @interface UIView (Roundify) 12 -(void)addRoundedCorners:(UIRectCorner)corners withRadii:(CGSize)radii; 13 -(CALayer*)maskForRoundedCorners:(UIRectCorner)corners withRadii:(CGSize)radii; 14 @end
1 // 2 // UIVew+Roundify.m 3 // TNS4Golfers 4 // 5 // Created by yingkong1987 on 13-9-14. 6 // Copyright (c) 2013年 yingkong1987. All rights reserved. 7 // 8 9 #import "UIVew+Roundify.h" 10 11 @implementation UIView (Roundify) 12 -(void)addRoundedCorners:(UIRectCorner)corners withRadii:(CGSize)radii { 13 CALayer *tMaskLayer = [self maskForRoundedCorners:corners withRadii:radii]; 14 self.layer.mask = tMaskLayer; 15 } 16 17 -(CALayer*)maskForRoundedCorners:(UIRectCorner)corners withRadii:(CGSize)radii { 18 CAShapeLayer *maskLayer = [CAShapeLayer layer]; 19 maskLayer.frame = self.bounds; 20 21 UIBezierPath *roundedPath = [UIBezierPath bezierPathWithRoundedRect: 22 maskLayer.bounds byRoundingCorners:corners cornerRadii:radii]; 23 maskLayer.fillColor = [[UIColor whiteColor] CGColor]; 24 maskLayer.backgroundColor = [[UIColor clearColor] CGColor]; 25 maskLayer.path = [roundedPath CGPath]; 26 27 return maskLayer; 28 } 29 @end
然后使用如下如:
效果出来了:
当然如果有更好更快捷的做法,欢迎大家拍砖,并指教指教小弟!~~小弟初学iOS