【代码笔记】iOS-关于UIFont的一些define

一，效果图。

二，工程图。

三，代码。

RootViewController.h

#import <UIKit/UIKit.h>
 
@interface RootViewController : UIViewController
 
@end

RootViewController.m

#import "RootViewController.h"
#import "Utils.h"
 
@interface RootViewController ()
 
@end
 
@implementation RootViewController
 
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
    }
    return self;
}
 
- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view.
 
    //初始化背景图
    [self addView];
 
    //初始化button
    [self initButton];
 
}
#pragma -mark -functions
//初始化背景图
-(void)addView
{
    self.title=@"UIFont";
}
//初始化button
-(void)initButton
{
    UIButton *rightButton = [[UIButton alloc] initWithFrame:CGRectMake(50, 100, 100, 50)];
    [rightButton setTitleColor:[UIColor grayColor] forState:UIControlStateNormal];
    rightButton.backgroundColor=[UIColor redColor];
    //给按钮上的字设置大小
    [Utils setDefaultFont:rightButton size:20];
    [rightButton setTitle:@"完成" forState:UIControlStateNormal];
    [self.view addSubview:rightButton];
 
}
 
- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

Utils.h

#import <Foundation/Foundation.h>
 
@interface Utils : NSObject
 
+ (void)setDefaultFont:(id)sender size:(float)size;
 
@end

Utils.m

#import "Utils.h"
 
@implementation Utils
 
//给某个按钮上的数字设置大小
+ (void)setDefaultFont:(id)sender size:(float)size{
    [sender setFont:[UIFont fontWithName:@"Helvetica" size:size]];
}
 
@end