替换电话号码中间4位为-号
一,效果图。
二,代码。
RootViewController.m
- (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view. //电话号码 UILabel *telLabel = [[UILabel alloc] initWithFrame:CGRectMake(10, 100, 200, 20)]; telLabel.textColor = [UIColor grayColor]; telLabel.text = @"13793333281"; //字符串的截取 NSString *string = [telLabel.text substringWithRange:NSMakeRange(4,4)]; //字符串的替换 telLabel.text = [telLabel.text stringByReplacingOccurrencesOfString:string withString:@"----"]; [self.view addSubview:telLabel]; }