只是罗列代码,大家都看的懂
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//Node.h
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//By Hafeyang
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//该程序实现一个节点类
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//
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//头文件部分
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#include <string>
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#include <iostream>
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#define null 0
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using namespace std;
10![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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//类Node的实现
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class Node
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{
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//属性
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public:
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string Data; //声名数据为字符串
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Node * Next; //指向下一个节点
18![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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//方法及其实现
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public:
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Node(string data,Node * next) //构造函数1
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{
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this->Data=data;
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this->Next=next;
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}
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Node() //构造函数2
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{
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this->Data="";
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this->Next=null;
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}
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~Node() //析造函数
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{
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//cout<<"Node "<<Data<<"Disposed"<<endl;
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}
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Dispose() //自定义释放内存函数 ?????
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{
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this->Data="";
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this->Next=null;
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}
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};
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//List .h
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//By Hafeyang
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//该类实现类链表
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#include "Node.h"
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class List
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{
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//属性
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public:
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Node * Head; //头节点指针
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int Length; //List长度
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//方法
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List()
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{
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Length=0;
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Head=null;
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}
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public:
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int AppendNode(Node * newNode) //在链表的为部添加节点
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{
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try
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{
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if(Length==0) //长度为零添加第一个节点
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{
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Head=newNode;
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Head->Next=null;
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}
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else //在链表尾部添加节点
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{
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Node * temp;
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temp=Head;
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while(temp->Next!=null)
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{
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temp=temp->Next;
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}
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temp->Next=newNode;
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newNode->Next=null;
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}
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}
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catch(
)
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{
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cout<<"Append Node "<<newNode->Data<<" Failed!"<<endl;
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return 0; //返回0 插入失败
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}
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Length++;
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cout<<"Append Node "<<newNode->Data<<" Seccessfully!"<<endl;
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return 1; //返回1 插入成功
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}
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void PrintList() //输出所有节点数据
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{
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Node * temp=Head;
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cout<<endl;
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cout<<"********Print The List Start********"<<endl;
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while(temp!=null)
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{
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cout<<"Node Data:"<<temp->Data<<endl;
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temp=temp->Next;
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}
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cout<<"The Length of the List:"<<Length<<endl;
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cout<<"********Print The List End**********"<<endl;
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cout<<endl;
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}
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int DeleteNode(Node * deleteNode)
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{
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Node * temp=Head;
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if(Head==deleteNode) //删除头节点
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{
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return deleteHead();
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}
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while(temp!=null)
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{
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if(temp->Next==deleteNode)
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{
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break; //找到deleteNode 的前一个节点
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}
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temp=temp->Next;
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}
85![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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if(temp==null) //没有找到该节点
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{
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cout<<" Node"<<deleteNode->Data<<" does not exist!"<<endl;
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return 0; //删除失败 返回0
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}
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//此时temp 为deleteNode 的前一个节点
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temp->Next=deleteNode->Next;
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cout<<"Delete Node "<<deleteNode->Data<<" Seccessfully!"<<endl;
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deleteNode->~Node(); //调用析构函数 释放节点
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Length--;
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return 1;
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}
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int deleteHead()
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{
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try
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{
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Head=Head->Next;
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cout<<"Delete Head Seccessfully!"<<endl;
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Length--;
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if(Head!=null)
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{
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Head->~Node(); //调用析构函数 释放节点
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}
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return 1;
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}
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catch(
)
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{
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cout<<"Delete Head Failed"<<endl;
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return 0;
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}
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}
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};
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1![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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#include "List.h"
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void main()
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{
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Node newNode1=Node("NodeData1",null);//声名 节点
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Node newNode2=Node("NodeData2",null);
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Node newNode3=Node("NodeData3",null);
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List newList=List(); //声明 链表
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newList.AppendNode(&newNode1);
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newList.AppendNode(&newNode2);
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newList.AppendNode(&newNode3);
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newList.PrintList();
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newList.DeleteNode(&newNode3);
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newList.PrintList();
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newList.DeleteNode(&newNode2);
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newList.PrintList();
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newList.DeleteNode(&newNode1);
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newList.PrintList();
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char a;
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cin>>a;
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}
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