text: //
  //  NSString+MD5.h
  //  Tools
  //
  //  Created by Felix on 2017/11/10.
  //  Copyright © 2017年 Felix. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  NS_ASSUME_NONNULL_BEGIN
  @interface NSString (MD5)
  
  #pragma mark - MD5 编码
  - (NSString *)MD5;
  
  @end
  NS_ASSUME_NONNULL_END
  