OC UILabel 链式设置属性

调用：

_descriptionLabel
        .fontSCR(16)
        .setUpTextColor(UIColor.whiteColor)
        .setUpTextColorRGB(255,255,255);

.h

#import 

@interface UILabel (Handler)

#pragma mark - color 

- (UILabel *(^)(UIColor *color))setUpTextColor;

/// textColor RGBA
- (UILabel *(^)(CGFloat r,
                CGFloat g,
                CGFloat b,
                CGFloat a))setUpTextColorRGBA;
/// textColor RGB
- (UILabel *(^)(CGFloat r,
                CGFloat g,
                CGFloat b))setUpTextColorRGB;
#pragma mark - font

- (UILabel *(^)(UIFont *font))fontSetUp;

// MARK: - 平方字体PingFangSC-Medium
/// CGFloat pingFangSCLightFont
- (UILabel *(^)(CGFloat size)) fontSCL;
/// CGFloat pingFangSCMediumFont
- (UILabel *(^)(CGFloat size)) fontSCM;
/// CGFloat pingFangSCBoldFont
- (UILabel *(^)(CGFloat size)) fontSCB;
/// cgfloat pingfang reguler
- (UILabel *(^)(CGFloat size)) fontSCR;
@end

.m

#import "UILabel+Handler.h"

@implementation UILabel(Handler)
- (UILabel *(^)(CGFloat r,
                CGFloat g,
                CGFloat b,
                CGFloat a))setUpTextColorRGBA {
    return ^(CGFloat r,
             CGFloat g,
             CGFloat b,
             CGFloat a) {
        
        r /= 255.0;
        g /= 255.0;
        b /= 255.0;
        
        UIColor *color = [UIColor colorWithRed:r
                                         green:g
                                          blue:b
                                         alpha:a];
        return self.setUpTextColor(color);
    };
    
}

- (UILabel *(^)(CGFloat r,
                CGFloat g,
                CGFloat b))setUpTextColorRGB {
    return ^(CGFloat r,
             CGFloat g,
             CGFloat b) {
        return self.setUpTextColorRGBA(r,g,b,1);
    };
}

- (UILabel *(^)(UIColor *color))setUpTextColor {
    return ^(UIColor *color) {
        self.textColor = color;
        return self;
    };
}

- (UILabel *(^)(UIFont *font))fontSetUp {
    return ^ (UIFont *font) {
        self.font = font;
        return self;
    };
}

//Futura 字体
- (UILabel *(^)(CGFloat size)) fontFuturaM {
    return ^ (CGFloat size) {
        UIFont *font = [Yi23Utils futuraMediumFont:size];
        return self.fontSetUp(font);
    };
}

//Ubuntu 字体
- (UILabel *(^)(CGFloat size)) fontUbuntuL {
    return ^ (CGFloat size) {
        UIFont *font = [Yi23Utils ubuntuLightFont:size];
        return self.fontSetUp(font);
    };
}
- (UILabel *(^)(CGFloat size)) fontUbuntuM {
    return ^ (CGFloat size) {
        UIFont *font = [Yi23Utils ubuntuMediumFont:size];
        return self.fontSetUp(font);
    };
}
- (UILabel *(^)(CGFloat size)) fontUbuntuB {
    return ^ (CGFloat size) {
        UIFont *font = [Yi23Utils ubuntuBoldFont:size];
        return self.fontSetUp(font);
    };
}
- (UILabel *(^)(CGFloat size)) fontUbuntuLightItalic {
    return ^ (CGFloat size) {
        UIFont *font = [Yi23Utils ubuntuLightItalicFont:size];
        return self.fontSetUp(font);
    };
}

// MARK: - 平方字体PingFangSC-Medium
/// CGFloat pingFangSCLightFont
- (UILabel *(^)(CGFloat size)) fontSCL {
    return ^ (CGFloat size) {
        UIFont *font = [Yi23Utils pingFangSCLightFont:size];
        return self.fontSetUp(font);
    };
}
/// CGFloat pingFangSCMediumFont
- (UILabel *(^)(CGFloat size)) fontSCM {
    return ^ (CGFloat size) {
        UIFont *font = [Yi23Utils pingFangSCMediumFont:size];
        return self.fontSetUp(font);
    };
}
/// CGFloat pingFangSCBoldFont
- (UILabel *(^)(CGFloat size)) fontSCB  {
    return ^ (CGFloat size) {
        UIFont *font = [Yi23Utils pingFangSCBoldFont:size];
        return self.fontSetUp(font);
    };
}
- (UILabel *(^)(CGFloat size)) fontSCR {
    return ^ (CGFloat size) {
        UIFont *font = [UIFont systemFontOfSize:size];
        return self.fontSetUp(font);
    };
}

// MARK: - Didot 字体
///CGFloat didotLightFont
- (UILabel *(^)(CGFloat size)) fontDidotL {
    return ^ (CGFloat size) {
        UIFont *font = [Yi23Utils didotLightFont:size];
        return self.fontSetUp(font);
    };
}
///CGFloat didotMediumFont
- (UILabel *(^)(CGFloat size)) fontDidotM {
    return ^ (CGFloat size) {
        UIFont *font = [Yi23Utils didotMediumFont:size];
        return self.fontSetUp(font);
    };
}
///CGFloat didotBoldFont
- (UILabel *(^)(CGFloat size)) fontDidotB {
    return ^ (CGFloat size) {
        UIFont *font = [Yi23Utils didotBoldFont:size];
        return self.fontSetUp(font);
    };
}
///CGFloat didotuRegulerFont
- (UILabel *(^)(CGFloat size)) fontDidotR {
    return ^ (CGFloat size) {
        UIFont *font = [Yi23Utils didotuRegulerFont:size];
        return self.fontSetUp(font);
    };
}
///CGFloat robotoCondensedRegulerFont
- (UILabel *(^)(CGFloat size))robotoCondensedR {
    return ^ (CGFloat size) {
        UIFont *font = [Yi23Utils robotoCondensedRegulerFont:size];
        return self.fontSetUp(font);
    };
}
///CGFloat robotoCondensedRegulerFontBold
- (UILabel *(^)(CGFloat size)) robotoCondensedRB {
    return ^ (CGFloat size) {
        UIFont *font = [Yi23Utils robotoCondensedRegulerFontBold:size];
        return self.fontSetUp(font);
    };
}

@end