text: //
  //  TestViewController.h
  //  Demo
  //
  //  Created by jiang on 2020/3/16.
  //  Copyright © 2020 jiang. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  NS_ASSUME_NONNULL_BEGIN
  
  @interface TestViewController : UIViewController
  
  - (void)testData:(NSString *)title;
  
  - (void)refreshData:(NSString *)data;
  @end
  
  NS_ASSUME_NONNULL_END
  