用c++实现 c++顺序表的实现（采用模板）

函数实现数据的插入（头插&&尾插）、删除（头删&&尾删）、查找、按位置插入、按位置删除、顺序表求长、顺序表清除、顺序表摧毁、数据的逆置以及数据排序

main函数

#include"SeqList.h"//顺序表

void main()
{
	SeqList<int> mylist;
	int select = 1;
	int Item;
	int pos;
	while(select)
	{
		cout<<"**************************************"<<endl;
		cout<<"* [1] push_back       [2] push_front *"<<endl;
		cout<<"* [3] show_list       [0] quit_system*"<<endl;
		cout<<"* [4] pop_back        [5] pop_front  *"<<endl;
		cout<<"* [6] insert_pos      [7] insert_val *"<<endl;
		cout<<"* [8] delete_pos      [9] delete_val *"<<endl;
		cout<<"* [10] find           [11]length     *"<<endl;
		cout<<"* [12] clear          [13]destroy    *"<<endl;
		cout<<"* [14] reserv         [15]sort       *"<<endl;
		cout<<"**************************************"<<endl;
		cout<<"请选择:>";
		cin>>select;
		switch(select)
		{
		case 0:
				mylist.quit_system();
				break;
		case 1:
			cout<<"请输入要插入的值(-1结束):>";
			while(cin>>Item, Item!=-1)
			{
				mylist.push_back(Item);
			}
			break;
		case 2:
			cout<<"请输入要插入的值(-1结束):>";
			while(cin>>Item, Item!=-1)
			{
				mylist.push_front(Item);
			}
			break;
		case 3:
			mylist.show_list();
			break;
        case 4:
            mylist.pop_back();
            break;
        case 5:
            mylist.pop_front();
            break;
		case 6:
			cout<<"请输入要插入的位置:>";
			cin>>pos;
			cout<<"请输入要插入的值:>";
			cin>>Item;
			mylist.insert_pos(pos,Item);
			break;
        case 7:
            cout<<"请输入要插入的值:>";
            cin>>Item;
            mylist.insert_val(Item);
        case 8:
            cout<<"请输入要删除的位置:>";
            cin>>pos;
            mylist.delete_pos(pos);
            break;
		case 9:
			cout<<"请输入要删除的值:>";
			cin>>Item;
			mylist.delete_val(Item);
			break;
		case 10:
			cout<<"请输入要查找的值:>";
			cin>>Item;
			int pos;
			pos = mylist.find(Item);
			break;
        case 11:
            mylist.length();
            break;
        case 12:
            mylist.clear();
            break;
        case 13:
            mylist.destroy();
            break;
        case 14:
            mylist.reserv();
            break;
        case 15:
            mylist.sort();
		default:
			break;
		}
	}
}

SeqList.h函数

#pragma once

#include<iostream>
using namespace std;

template<class Type>
class SeqList
{
public:
	SeqList(size_t sz=INIT_SIZE);
public:
	bool isfull()const
	{return size>=capacity;}
	bool isempty()const
	{return size==0;}
public:
	void quit_system();
	void push_back(const Type &x);
	void push_front(const Type &x);
	void show_list();
	void pop_back();
	void pop_front();
	void insert_pos(int pos,const Type &x);
	void insert_val(const Type &x);
	void delete_pos(int pos);
	void delete_val(const Type &x);
	int  find(const Type &key);
	int  length()const;
	void clear();
	void destroy();
	void reserv();
	void sort();
private:
	enum{INIT_SIZE=8};
	Type *base;
	size_t capacity;
	size_t size;
};

template<class Type>
SeqList<Type>::SeqList(size_t sz)//分配空间
{
	capacity = sz > INIT_SIZE ? sz : INIT_SIZE;
	base = new Type[capacity];
	size = 0;
}

template<class Type>
void SeqList<Type>::quit_system()//退出
{
	return;
}

template<class Type>
void SeqList<Type>::push_back(const Type &x)//后插
{
	if(isfull())
	{
		cout<<"顺序表已满,不能插入!"<<endl;
		return;
	}
	base[size++] = x;
}

template<class Type>
void SeqList<Type>::push_front(const Type &x)//前插
{
	if(isfull())
	{
		cout<<"顺序表已满,不能插入!"<<endl;
		return;
	}

	for(int i=size; i>0; --i)
	{
		base[i] = base[i-1];
	}
	base[0] = x;
	size++;
}

template<class Type>
void SeqList<Type>::show_list()//显示
{
	for(int i=0; i<size; ++i)
	{
		cout<<base[i]<<" ";
	}
	cout<<endl;
}

template<class Type>
void SeqList<Type>::pop_back()//后删
{
    size = size-1;
}

template<class Type>
void SeqList<Type>::pop_front()//前删
{
    int i;
    for(i = 0;i<size-1;i++)
    {
        base[i]=base[i+1];
    }
    size--;
}

template<class Type>
void SeqList<Type>::insert_pos(int pos,const Type &x)//按位置插入
{
	if(pos<0 || pos>size)
	{
		cout<<"要插入的位置非法!"<<endl;
		return;
	}
	if(isfull())
	{
		cout<<"顺序表已满,不能插入!"<<endl;
		return;
	}

	for(int i=size; i>pos; --i)
	{
		base[i] = base[i-1];
	}
	base[pos] = x;
	size++;
}

template<class Type>
void SeqList<Type>::insert_val(const Type &x)//按值插入
{
    int pos;
    pos = find(x);
    insert_pos(pos,x);
}

template<class Type>
void SeqList<Type>::delete_pos(int pos)//按位置删除
{
    int i;
    for(i = pos;i<size-1;++i)
    {
        base[i] = base[i+1];
    }
    size--;
}

template<class Type>
void SeqList<Type>::delete_val(const Type &x)//按值删除
{
	int pos = find(x);
	if(pos == -1)
	{
		return;
	}

	for(int i=pos; i<size; ++i)
	{
		base[i] = base[i+1];
	}
	size--;
}

template<class Type>
int SeqList<Type>::find(const Type &key)//查找
{
	for(int i=0; i<size; ++i)
	{
		if(base[i] == key)
			return i;
	}
	return -1;
}

template<class Type>
int SeqList<Type>::length()const//求长
{
    cout<<size<<endl;
	return size;
}

template<class Type>
void SeqList<Type>::clear()//清除数据
{
    while(size)
    {
        base[size--] = NULL;
    }
}

template<class Type>
void SeqList<Type>::destroy()//摧毁顺序表
{
    int i;
    delete base;
    base = NULL;
    capacity = 0;
    size = 0;
}

template<class Type>
void SeqList<Type>::reserv()//逆序
{
    int i = 0;
	int m=size-1;
	int x=size;
    for(;i<=(m/2);++i)
        {
            int tmp = base[i];
            base[i] = base[x-1];
            base[x-1] = tmp;
			x--;
        }
}

template<class Type>
void SeqList<Type>::sort()//排序
{

	int tmp;
	for (int i=0;i<=size;i++)
		for (int j=i+1;j<=size-1;j++)
		{
			if(base[i]>base[j])
			{
				tmp = base[j];
				base[j]=base[i];
				base[i]=tmp;
			}
		}
}

截图如下