iOS点击按钮复制

UIPasteboard *pab = [UIPasteboard generalPasteboard];
        
        NSString *string = @"测试";
        
        pab.string = string;
 
        if (pab == nil) {
            [MBProgressHUD showError:@"复制失败"];
            
        }else
        {
            [MBProgressHUD showSuccess:@"已复制"];
        } 

@property(nullable,nonatomic,copy) NSString *string __TVOS_PROHIBITED __WATCHOS_PROHIBITED;
@property(nullable,nonatomic,copy) NSArray *strings __TVOS_PROHIBITED __WATCHOS_PROHIBITED;

@property(nullable,nonatomic,copy) NSURL *URL __TVOS_PROHIBITED __WATCHOS_PROHIBITED;
@property(nullable,nonatomic,copy) NSArray *URLs __TVOS_PROHIBITED __WATCHOS_PROHIBITED;

@property(nullable,nonatomic,copy) UIImage *image __TVOS_PROHIBITED __WATCHOS_PROHIBITED;
@property(nullable,nonatomic,copy) NSArray *images __TVOS_PROHIBITED __WATCHOS_PROHIBITED;

@property(nullable,nonatomic,copy) UIColor *color __TVOS_PROHIBITED __WATCHOS_PROHIBITED;
@property(nullable,nonatomic,copy) NSArray *colors __TVOS_PROHIBITED __WATCHOS_PROHIBITED;