ios富文本属性

最新推荐文章于 2023-12-09 19:04:40 发布

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本文通过一个详细的实例展示了如何使用NSAttributedString来为iOS应用中的UILabel文本添加多种样式效果，包括加粗、改变颜色、设置背景色、添加下划线及阴影等。

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@interface ViewController ()@property (weak,nonatomic)

IBOutlet UILabel *stringLabel;@end@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

NSString *string = _stringLabel.text; //初始化属性字符串

NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:string]; //字体类型属性

NSDictionary *BoldFontAS = @{NSFontAttributeName:[UIFont boldSystemFontOfSize:17]}; [attributedString addAttributes:BoldFontAS range:[string rangeOfString:@"BoldFont"]]; //字体颜色属性

NSDictionary *RedFondAS = @{NSForegroundColorAttributeName :[UIColor redColor]};

[attributedString addAttributes:RedFondAS range:[string rangeOfString:@"RedFont"]]; //字体背景颜色和字体颜色属性 NSDictionary *BuleBackgroundAS = @{NSBackgroundColorAttributeName:[UIColor blueColor], NSForegroundColorAttributeName:[UIColor whiteColor]};

[attributedString addAttributes:BuleBackgroundAS range:[string rangeOfString:@"BuleBackground"]]; //字体下划线与字体下划线颜色属性

NSDictionary *UnderlineAS = @{NSUnderlineStyleAttributeName:[NSNumber numberWithInteger:NSUnderlineStyleSingle],NSUnderlineColorAttributeName:[UIColor greenColor]};

[attributedString addAttributes:UnderlineAS range:[string rangeOfString:@"Underline"]]; //字体阴影属性

NSShadow *shadow = [[NSShadow alloc] init];

shadow.shadowOffset = CGSizeMake(2, 2);

shadow.shadowColor = [UIColor orangeColor];

NSDictionary *ShadowAS = @{NSShadowAttributeName:shadow};

[attributedString addAttributes:ShadowAS range:[string rangeOfString:@"Shadow"]]; //设置Label的字符串属性 _stringLabel.attributedText = attributedString;}