第二课（模拟银行系统--------链表）

青旅半醒 2022-06-02 05:11 171阅读 0赞

头文件Node.h
    
    #ifndef HEADER_NODE
    #define HEADER_NODE
    #include "Record.h"
    #include<iostream>
    using namespace std;
    
    class Node
    {
    private:
    	Record *record;
    	Node *next;
    public:
    	Node();
    	~Node();
    	void set_record(Record *record);
    	void set_next(Node *next);
    	Record * get_record();
    	Node * get_next();
    	void display_Node();
    };
    #endif
    
    源文件Node.cpp
    
    #include"Node.h"
    #include<iostream>
    using namespace std;
    
    Node::Node()
    {
    	this->record = NULL;
    	this->next = NULL;
    }
    
    Node::~Node()
    {
    	delete this->record;
    	//delete this->next;下一个的地址
    	this->record = NULL;
    	this->next = NULL;
    }
    
    void Node::set_record(Record * record)
    {
    	this->record = record;
    }
    
    void Node::set_next(Node * next)
    {
    	this->next = next;
    }
    
    Record * Node::get_record()
    {
    	return this->record;
    }
    
    Node * Node::get_next()
    {
    	return this->next;
    }
    
    void Node::display_Node()
    {
    	cout << "Print Node Elements......" << endl;
    	//cout << "Record * :" << this->record << endl;
    	if(this->record != NULL)
    	{
    		this->record->display_Record();//相当于Record * r = this->record;  r->display_Record();
    	}
    	else
    	{
    		cout << "Record is NULL......" << endl;
    	}
    	cout << "Next * :" << this->next << endl;
    	cout << "End of Node......" << endl;
    }
    
    测试文件 TestNode.cpp
    
    #include"Node.h"
    #include<iostream>
    using namespace std;
    
    int main()
    {
    	Node * node = new Node();
    	node->display_Node();
    
    	Record *record = new Record();
    	record ->set_number(10001);
    	record ->set_userName("zhangsan");
    	record ->set_passWord("123");
    	record ->set_balance(10000);
    	record ->set_flag(1);
    
    	node->set_record(record);
    	node->display_Node();
    
    	return 0;
    }

![1345638014_4639.jpg][]

头文件 LinkList.h
    
    #ifndef HEADER_LINKLIST
    #define HEADER_LINKLIST
    #include"Node.h"
    
    class LinkList
    {
    private:
    	Node * head;
    	int len;
    public:
    	LinkList();
    	~LinkList();
    	void set_head(Node * head);
    	void set_len(int len);
    	Node * get_head();
    	int get_len();
    
    	Node * make_node(Record * record);
    	void insert_node(Node * node);
    	Node * find_node(int number);
    	void display_LinkList();
    };
    #endif
    
    
    源文件 LinkList.cpp
    
    #include "LinkList.h"
    #include<iostream>
    using namespace std;
    
    LinkList::LinkList()
    {
    	this->head = NULL;
    	this->len = 0;
    }
    
    LinkList::~LinkList()
    {
    	Node *p, *q;
    	p = this->head;
    	while(p != NULL)
    	{
    		q = p;
    		p = p->get_next();
    		delete q;
    	}
    	this->head = NULL;
    	this->len = 0;
    }
    
    void LinkList::set_head(Node * head)
    {
    	this->head = head;
    }
    
    void LinkList::set_len(int len)
    {
    	this->len = len;
    }
    
    Node * LinkList::get_head()
    {
    	return this->head;
    }
    
    int LinkList::get_len()
    {
    	return this->len;
    }
    
    Node * LinkList::make_node(Record * record)
    {
    	Node * node = new Node();
    	node->set_record(record);
    	node->set_next(NULL);
    	return node;
    }
    
    void LinkList::insert_node(Node * node)
    {
    	Node * p = this->head;
    	if(p == NULL)
    	{
    		this->head = node;
    		this->len++;
    	    return;
    	}
    	while(p->get_next() != NULL)
    	{
    		p = p->get_next();
    	}
    	p->set_next(node);
    	this->len++;
    }
    
    Node * LinkList::find_node(int number)
    {
    	Node * p = this->head;
    	while(p != NULL)
    	{
    		if(p->get_record()->get_number() == number)
    		{
    			return p;
    		}
    		else
    		{
    			p = p->get_next();
    		}
    	}
    	return p;
    }
    
    void LinkList::display_LinkList()
    {
    	cout << "Print LinkList Elements......" << endl;
    	Node * p = this->head;
    	if(p = NULL)
    	{
    		cout << "LinkList is NULL......." << endl;
    		cout << "Len: " << this->len << endl;
    		cout << "End of LinkList......" << endl;
    
    		return;
    	}
    	while ( p != NULL)
    	{
    		p->display_Node();
    		p = p->get_next();
    	}
    	cout << "Len: " << this->len << endl;
    	cout << "End of LinkList..." << endl;
    }
    
    测试文件 TestLinkList.cpp
    
    #include "LinkList.h"
    #include <iostream>
    using namespace std;
    
    int main ()
    {
    	LinkList * list = new LinkList();
    	list->display_LinkList();
    	cout <<endl;
    	
    	Record * r1 = new Record();
    	r1->set_number(10001);
    	r1->set_userName("zhangsan");
    	r1->set_passWord("123456");
    	r1->set_balance(10000);
    	r1->set_flag(1);
    	
    	Node * n1 = list->make_node(r1);
    	list->insert_node(n1);
    	list->display_LinkList();
    	cout <<endl;
    	
    	Record * r2 = new Record();
    	r2->set_number(10002);
    	r2->set_userName("lisi");
    	r2->set_passWord("654321");
    	r2->set_balance(20000);
    	r2->set_flag(1);
    	
    	Node * n2 = list->make_node(r2);
    	list->insert_node(n2);
    	list->display_LinkList();
    
    	Node * n3 = list->find_node (10001);
    	if( n3 == NULL )
    	{
    		cout << "Not Found..." << endl;
    	}
    	else
    	{
    	n3->display_Node();
    	}
    	
    	return 0;
    }

![1345638871_9669.jpg][]

上机感言：今天的内容有点多，一下午好累啊。

[1345638014_4639.jpg]: https://img-my.csdn.net/uploads/201208/22/1345638014_4639.jpg
[1345638871_9669.jpg]: https://img-my.csdn.net/uploads/201208/22/1345638871_9669.jpg