UIView+Extension

UIView+Extension.h

#import <UIKit/UIKit.h>

@interface UIView (Extension)

// 推荐：CGFloat x = CGRectGetMinX(frame);
@property (nonatomic, assign) CGFloat x;
// 推荐：CGFloat y = CGRectGetMinY(frame);
@property (nonatomic, assign) CGFloat y;

@property (nonatomic, assign) CGFloat maxX;
@property (nonatomic, assign) CGFloat maxY;

@property (nonatomic, assign) CGFloat centerX;
@property (nonatomic, assign) CGFloat centerY;

// 推荐：CGFloat width = CGRectGetWidth(frame);
@property (nonatomic, assign) CGFloat width;
// 推荐：CGFloat height = CGRectGetHeight(frame);
@property (nonatomic, assign) CGFloat height;

@property (nonatomic, assign) CGSize size;
@property (nonatomic, assign) CGPoint origin;
@property (nonatomic, assign) CGFloat bottom;

@end

UIView+Extension.m

#import "UIView+Extension.h"

@implementation UIView (Extension)

#pragma mark - x
- (void)setX:(CGFloat)x {
    CGRect frame = self.frame;
    frame.origin.x = x;
    self.frame = frame;
}

- (CGFloat)x {
    return CGRectGetMinX(self.frame);
}

#pragma mark - y
- (void)setY:(CGFloat)y {
    CGRect frame = self.frame;
    frame.origin.y = y;
    self.frame = frame;
}

- (CGFloat)y {
    return CGRectGetMinY(self.frame);
}

#pragma mark - maxX
- (void)setMaxX:(CGFloat)maxX {
    self.x = maxX - self.width;
}

- (CGFloat)maxX {
    return CGRectGetMaxX(self.frame);
}

#pragma mark - maxY
- (void)setMaxY:(CGFloat)maxY {
    self.y = maxY - self.height;
}

- (CGFloat)maxY {
    return CGRectGetMaxY(self.frame);
}

#pragma mark - centerX
- (void)setCenterX:(CGFloat)centerX {
    CGPoint center = self.center;
    center.x = centerX;
    self.center = center;
}

- (CGFloat)centerX {
    return self.center.x;
}

#pragma mark - centerY
- (void)setCenterY:(CGFloat)centerY {
    CGPoint center = self.center;
    center.y = centerY;
    self.center = center;
}

- (CGFloat)centerY {
    return self.center.y;
}

#pragma mark - width
- (void)setWidth:(CGFloat)width {
    CGRect frame = self.frame;
    frame.size.width = width;
    self.frame = frame;
}

- (CGFloat)width {
    return CGRectGetWidth(self.frame);
}

#pragma mark - height
- (void)setHeight:(CGFloat)height {
    CGRect frame = self.frame;
    frame.size.height = height;
    self.frame = frame;
}

- (CGFloat)height {
    return CGRectGetHeight(self.frame);
}

#pragma mark - size
- (void)setSize:(CGSize)size {
    CGRect frame = self.frame;
    frame.size = size;
    self.frame = frame;
}

- (CGSize)size {
    return self.frame.size;
}

#pragma mark - orgin
- (void)setOrigin:(CGPoint)origin {
    CGRect frame = self.frame;
    frame.origin = origin;
    self.frame = frame;
}

- (CGPoint)origin {
    return self.frame.origin;
}

#pragma mark  - bottom
- (void)setBottom:(CGFloat)bottom {
    CGRect frame = self.frame;
    frame.origin.y = bottom - frame.size.height;
    self.frame = frame;
}

- (CGFloat)bottom {
    CGRect frame = self.frame;
    return CGRectGetMinY(frame) + CGRectGetHeight(frame);
}

@end