text: //
  //  RDTextView.h
  //  HotTopicForMaintenance
  //
  //  Created by 郭春城 on 2017/11/3.
  //  Copyright © 2017年 郭春城. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  @interface RDTextView : UITextView
  
  @property (nonatomic, strong) UILabel * placeholderLabel;
  @property (nonatomic, copy) NSString * placeholder;
  @property (nonatomic, assign) NSInteger maxSize;
  
  - (void)clearInputText;
  
  @end
  