在.h里
#importtypedef NS_OPTIONS(NSUInteger, UIBorderSideType) {
UIBorderSideTypeAll = 0,
UIBorderSideTypeTop = 1 << 0,
UIBorderSideTypeBottom = 1 << 1,
UIBorderSideTypeLeft = 1 << 2,
UIBorderSideTypeRight = 1 << 3,
};
@interface UIView (BorderLine)
- (UIView *)borderForColor:(UIColor *)color borderWidth:(CGFloat)borderWidth borderType:(UIBorderSideType)borderType;
@end
在.m里
#import "UIView+BorderLine.h"
@implementation UIView (BorderLine)
- (UIView *)borderForColor:(UIColor *)color borderWidth:(CGFloat)borderWidth borderType:(UIBorderSideType)borderType
{
if (borderType == UIBorderSideTypeAll)
{
self.layer.borderWidth = borderWidth;
self.layer.borderColor = color.CGColor;
return self;
}
/// 左侧 if (borderType & UIBorderSideTypeLeft)
{
/// 左侧线路径 [self.layer addSublayer:[self addLineOriginPoint:CGPointMake(0.f, 0.f) toPoint:CGPointMake(0.0f, self.frame.size.height) color:color borderWidth:borderWidth]];
} /// 右侧 if (borderType & UIBorderSideTypeRight)
{ /// 右侧线路径 [self.layer addSublayer:[self addLineOriginPoint:CGPointMake(self.frame.size.width, 0.0f) toPoint:CGPointMake( self.frame.size.width, self.frame.size.height) color:color borderWidth:borderWidth]];
} /// top if (borderType & UIBorderSideTypeTop)
{ /// top线路径 [self.layer addSublayer:[self addLineOriginPoint:CGPointMake(0.0f, 0.0f) toPoint:CGPointMake(self.frame.size.width, 0.0f) color:color borderWidth:borderWidth]];
} /// bottom if (borderType & UIBorderSideTypeBottom)
{ /// bottom线路径 [self.layer addSublayer:[self addLineOriginPoint:CGPointMake(0.0f, self.frame.size.height) toPoint:CGPointMake( self.frame.size.width, self.frame.size.height) color:color borderWidth:borderWidth]];
} return self;
}
- (CAShapeLayer *)addLineOriginPoint:(CGPoint)p0 toPoint:(CGPoint)p1 color:(UIColor *)color borderWidth:(CGFloat)borderWidth
{
/// 线的路径 UIBezierPath * bezierPath = [UIBezierPath bezierPath]; [bezierPath moveToPoint:p0];
[bezierPath addLineToPoint:p1]; CAShapeLayer * shapeLayer = [CAShapeLayer layer]; shapeLayer.strokeColor = color.CGColor;
shapeLayer.fillColor = [UIColor clearColor].CGColor; /// 添加路径 shapeLayer.path = bezierPath.CGPath;
/// 线宽度 shapeLayer.lineWidth = borderWidth;
return shapeLayer;
}
@end
方法的调用
初始化个view对象
[view borderForColor:[UIColor redColor] borderWidth:2 borderType:UIBorderSideTypeLeft]; [view borderForColor:[UIColor redColor] borderWidth:2 borderType:UIBorderSideTypeRight]; [self.view addSubview:view];
//设置view四周的圆角大小
UIBezierPath *maskPath = [UIBezierPath bezierPathWithRoundedRect:view.bounds byRoundingCorners:UIRectCornerBottomLeft | UIRectCornerTopLeft|UIRectCornerBottomRight cornerRadii:CGSizeMake(10,10)]; CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init]; maskLayer.frame = view.bounds; maskLayer.path = maskPath.CGPath; view.layer.mask = maskLayer;
