bintreenode.h

该程序用ＶＣ实现了一个小型文件压缩与解压缩功能的程序

#ifndef BinTreeNode_H
#define BinTreeNode_H
#include<iostream.h>
template <class T> 
class BinaryTree;
template <class T>
class BinTreeNode{
	friend class BinaryTree<T>;
	private:
		BinTreeNode<T> *leftChild,*rightChild;
		T data;
		int Flag;
	public:
		BinTreeNode():leftChild(NULL),rightChild(NULL),Flag(0){}
		BinTreeNode(T item,int flag=0,BinTreeNode<T> *left=NULL,
			BinTreeNode<T> *right=NULL):data(item),Flag(flag),leftChild(left),rightChild(right){}
		T GetData() const {return data;}
		int GetFlag() const {return Flag;}
		BinTreeNode<T>* Getleft() const {return leftChild;}
		BinTreeNode<T>* Getright() const {return rightChild;}
		void SatData(const T& item) {data = item;}
		void SatFlag(const T& item) {Flag = item;}
		void SetLeft(BinTreeNode<T> *L) {leftChild = L;}
		void SetRight(BinTreeNode<T> *R) {rightChild = R;}

		int IsLeaf(){return this->rightChild==NULL
			 &&this->leftChild==NULL&&this!=NULL?1:0;}
};
#endif