// 添加UIView分类
// UIView+WZB.h
#import
/**
边框方向
- WZBBorderDirectionTop: 顶部
- WZBBorderDirectionLeft: 左边
- WZBBorderDirectionBottom: 底部
- WZBBorderDirectionRight: 右边
*/
typedefNS_ENUM(NSInteger, WZBBorderDirectionType) {
WZBBorderDirectionTop =0,
WZBBorderDirectionLeft,
WZBBorderDirectionBottom,
WZBBorderDirectionRight
};
@interfaceUIView (WZB)
/**
为UIView的某个方向添加边框
@param direction 边框方向
@param color 边框颜色
@param width 边框宽度
*/
- (void)wzb_addBorder:(WZBBorderDirectionType)direction color:(UIColor*)color width:(CGFloat)width;
@end
// UIView+WZB.m
#import "UIView+WZB.h"
@implementationUIView (WZB)
- (void)wzb_addBorder:(WZBBorderDirectionType)direction color:(UIColor*)color width:(CGFloat)width
{
CALayer*border = [CALayerlayer];
border.backgroundColor= color.CGColor;
switch(direction) {
case WZBBorderDirectionTop:
{
border.frame=CGRectMake(0.0f,0.0f,self.bounds.size.width, width);
}
break;
case WZBBorderDirectionLeft:
{
border.frame=CGRectMake(0.0f,0.0f, width,self.bounds.size.height);
}
break;
case WZBBorderDirectionBottom:
{
border.frame=CGRectMake(0.0f,self.bounds.size.height- width,self.bounds.size.width, width);
}
break;
case WZBBorderDirectionRight:
{
border.frame=CGRectMake(self.bounds.size.width- width,0, width,self.bounds.size.height);
}
break;
default:
break;
}
[self.layeraddSublayer:border];
}