1 // 2 // VerticalLabel.h 3 // VerticalLabel 4 // 5 // Created by 大欢 on 16/1/19. 6 // Copyright © 2016年 bjsxt. All rights reserved. 7 // 8 9 #import <UIKit/UIKit.h> 10 11 @interface VerticalLabel : UILabel 12 13 - (instancetype)initWithVerticalText:(NSString *)string fontSize:(CGFloat)width; 14 15 @end
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1 // 2 // VerticalLabel.m 3 // VerticalLabel 4 // 5 // Created by 大欢 on 16/1/19. 6 // Copyright © 2016年 bjsxt. All rights reserved. 7 // 8 9 #import "VerticalLabel.h" 10 11 #define lineWidth 50 12 13 @implementation VerticalLabel 14 15 - (instancetype)initWithVerticalText:(NSString *)string fontSize:(CGFloat)width { 16 17 if (self = [super init]) { 18 19 NSMutableParagraphStyle * paragarph = [[NSMutableParagraphStyle alloc] init]; 20 paragarph.lineSpacing = lineWidth; 21 22 NSDictionary * dict = @{NSFontAttributeName:[UIFont systemFontOfSize:width], 23 NSParagraphStyleAttributeName:paragarph}; 24 25 NSAttributedString * astring = [[NSAttributedString alloc] initWithString:string attributes:dict]; 26 //MAXFLOAT 27 CGSize size = [string boundingRectWithSize:CGSizeMake(width, 480) options:NSStringDrawingUsesLineFragmentOrigin attributes:dict context:nil].size; 28 29 self.text = string; 30 self.attributedText = astring; 31 self.lineBreakMode = NSLineBreakByCharWrapping; 32 self.numberOfLines = 0; 33 self.bounds = CGRectMake(0, 0, size.width, size.height); 34 } 35 return self; 36 } 37 @end
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1 / 2 // ViewController.m 3 // VerticalLabel 4 // 5 // Created by 大欢 on 16/1/19. 6 // Copyright © 2016年 bjsxt. All rights reserved. 7 // 8 9 #import "ViewController.h" 10 #import "VerticalLabel.h" 11 12 @interface ViewController () 13 @property (nonatomic, strong) VerticalLabel * label; 14 @end 15 16 @implementation ViewController 17 18 - (VerticalLabel *)label { 19 20 if (!_label) { 21 _label = [[VerticalLabel alloc] initWithVerticalText:@"哈哈哈哈" fontSize:50]; 22 _label.backgroundColor = [UIColor greenColor]; 23 _label.center = self.view.center; 24 } 25 return _label; 26 } 27 28 - (void)viewDidLoad { 29 [super viewDidLoad]; 30 // Do any additional setup after loading the view, typically from a nib. 31 [self.view addSubview:self.label]; 32 } 33 34 - (void)didReceiveMemoryWarning { 35 [super didReceiveMemoryWarning]; 36 // Dispose of any resources that can be recreated. 37 } 38 39 @end
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