UILabel 设置 text Insets(padding)

@interface UALabel : UILabel

@property (nonatomic, assign) UIEdgeInsets insets;

@end

@implementation UALabel

#pragma mark - override

- (void)drawTextInRect:(CGRect)rect {
    [super drawTextInRect:UIEdgeInsetsInsetRect(rect, self.insets)];
}

- (CGSize)intrinsicContentSize {
    CGSize size = [super intrinsicContentSize];
    size.width += (self.insets.left + self.insets.right);
    size.height += (self.insets.top + self.insets.bottom);
    return size;
}

#pragma mark - getter && setter

- (void)setInsets:(UIEdgeInsets)insets {
    _insets = insets;
    [self layoutSubviews];
}

@end