C++教师管理系统
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链表模板定义：就是用这种数据类型来进行存储
#include<iostream>
#ifndef NODELIST_S
#define NODELIST_S
template<typename T>
class Node
{
public:
T s_Data;
Node<T>* s_Next;
Node(const T&data) :s_Data(data), s_Next(nullptr){}
};
template<typename T>
class NodeList
{
private:
Node<T>* s_Head;
int s_Number;
public:
NodeList() : s_Head(nullptr), s_Number(0){}
~NodeList() { Clear(); }
Node<T>*GetHead() { return s_Head; }
int GetNum() { return s_Number; }
bool Clear()
{
Node<T>*p = s_Head;
for (int i = 0; i < s_Number; i++)
{
if (!p)return false;
Node<T>*q = p;
p = p->s_Next;
delete q;
}
s_Head = nullptr;
s_Number = 0;
return true;
}
bool IsEmpty()
{
return (s_Number == 0);
}
bool AddAt(const T&, int i);//添加元素到第i个位置，计数从0开始
bool RemoveAt(int i);//删除第i个元素
};
template<typename T>
bool NodeList<T>::AddAt(const T& data, int i)
{
Node<T>* OneNode = new Node<T>(data);
Node<T>* p;
if (OneNode)
{
if (s_Head) p = s_Head;
else
{
s_Head = OneNode;
s_Number++;
return true;
}
if (!i)
{
OneNode->s_Next = s_Head;
s_Head = OneNode;
s_Number++;
return true;
}
for (int j = 1; j < i; j++)
{
p = p->s_Next;
}
//此时p指向要插入的位置的前一个节点
OneNode->s_Next = p->s_Next;
p->s_Next = OneNode;
s_Number++;
return true;
}
return false;
}
template<typename T>
bool NodeList<T>::RemoveAt(int i)
{
Node<T>*p;
if (s_Head) p = s_Head;
else return false;
if (!i)
{
s_Head = p->s_Next;
delete p;
s_Number--;
return true;
}
for (int j = 1; j < i; j++)
{
p = p->s_Next;
}
//此时p指向要删除的位置的前一个节点
Node<T>*q = p->s_Next;
p->s_Next = p->s_Next->s_Next;
delete q;
s_Number--;
return true;
}
#endif // !NODELIST_S教师类的声明：对教师的一些信息的抽象，包含的数据及行为
#include<iostream>
#include<string>
#ifndef TEACHER_S
#define TEACHER_S
using namespace std;
class Teacher
{
private:
const int s_ID;
const string s_Name;
const string s_Sex;
int s_Age;
string s_Major;
string s_Number;
float s_Money;
int s_Pingfen;
public:
Teacher(int Id, string Name, string Sex, int Age, string Major,string Number,float Money,int Pingfen) :
s_ID(Id), s_Name(Name), s_Sex(Sex), s_Age(Age), s_Major(Major),s_Number(Number),s_Money(Money),s_Pingfen(Pingfen){}
int GetID() { return s_ID; }
int GetAge(){ return s_Age; }
string GetMajor(){ return s_Major; }
int GetPingfen(){ return s_Pingfen; }
void AddAge() { s_Age++; }
void ChangeMajor(string m) { s_Major = m; }
void ChangeNumber(string n) { s_Number = n; }
void ChangeMoney(float m) { s_Money = m; }
void ChangePingfen(int p){ s_Pingfen = p; }
friend ostream& operator<<(ostream& out, const Teacher& one)
{
out << one.s_ID << " " << one.s_Name << " " << one.s_Sex << " " << one.s_Age << " "
<< one.s_Major << " " << one.s_Number << " " << one.s_Money << " " << one.s_Pingfen << endl;
return out;
}
};
#endif // !TEACHER_S管理类：对教师这个管理系统进行管理
#pragma once
#include<iostream>
#include"List.h"
#include"Teacher.h"
#include<fstream>
#ifndef MANAGE_S
#define MANAGE_S
class Management {
private:
NodeList<Teacher> s_TeacherList;
public:
Management();
~Management();
void ShowAll();
void AddTeacher();
void DeletTeacher();
void SearchById();
void ChangeTeacherXinxi();
void ShowByPaixu();
void ReadFile();
void WriteFile();
void AddAllAge();
void ClearAllDate();
};
#endif // !MANAGE_S管理类的具体实现：
#include "Management.h"
Management::Management()
{
}
Management::~Management()
{
}
void Management::ShowAll()
{
cout << "从左到右依次为教职工号、姓名、性别、年龄、教学科目、电话号码、月薪、评分" << endl;
Node<Teacher>*p = s_TeacherList.GetHead();
while (p)
{
cout << p->s_Data << endl;
p = p->s_Next;
}
}
void Management::AddTeacher()
{
cout << "请输入教师的教职工号、姓名、性别、年龄:" << endl;
int id, age;
string name, sex;
cin >> id >> name >> sex >> age;
Node<Teacher>*p = s_TeacherList.GetHead();
while (p)
{
if (p->s_Data.GetID() == id)
{
cout << "已有该老师的信息!添加失败" << endl;
return;
}
p = p->s_Next;
}
cout << "请依次输入老师的教学科目、电话号码、月薪和评分:" << endl;
string km, hm;
float yx;
int pf;
cin >> km >> hm >> yx>>pf;
Teacher one(id, name, sex, age, km, hm, yx,pf);
if (s_TeacherList.AddAt(one, s_TeacherList.GetNum()))
cout << "教师信息添加成功!" << endl;
else cout << "信息添加失败!" << endl;
}
void Management::DeletTeacher()
{
cout << "输入您想删除的教师的教职工号:";
int id, i(0);
cin >> id;
Node<Teacher>*p = s_TeacherList.GetHead();
while (p)
{
if (p->s_Data.GetID() == id)
{
if (s_TeacherList.RemoveAt(i))
cout << "删除成功!" << endl;
else cout << "删除失败!" << endl;
return;
}
else
{
i++;
p = p->s_Next;
}
}
cout << "系统中没有该老师信息!" << endl;
return;
}
void Management::SearchById()
{
cout << "输入您想查询的教师的教职工号:";
int id;
cin >> id;
Node<Teacher>*p = s_TeacherList.GetHead();
while (p)
{
if (p->s_Data.GetID() == id)
{
cout << p->s_Data << endl;
return;
}
else p = p->s_Next;
}
cout << "系统中没有该老师信息!" << endl;
return;
}
void Management::ChangeTeacherXinxi()
{
cout << "输入您想更改的老师的教职工号:";
int id;
cin >> id;
Node<Teacher>*p = s_TeacherList.GetHead();
while (p)
{
if (p->s_Data.GetID() == id)
{
cout << p->s_Data << endl;
break;
}
else p = p->s_Next;
}
if (!p)
{
cout << "系统中没有该老师的信息!" << endl;
return;
}
cout << "您要修改哪一样信息？(1.教学科目 2.电话号码 3.月薪 4.评分 0.返回)" << endl;
int mark,pf;
string k, n;
float m;
cin >> mark;
if (!mark)return;
cout << "输入修改信息:";
if (mark == 1)
cin >> k;
else if (mark == 2)
cin >> n;
else if (mark == 3)
cin >> m;
else if (mark == 4)
cin >> pf;
switch (mark)
{
case 1: p->s_Data.ChangeMajor(k); break;
case 2:p->s_Data.ChangeNumber(n); break;
case 3:p->s_Data.ChangeMoney(m); break;
case 4:p->s_Data.ChangePingfen(pf); break;
default:break;
}
cout << "修改成功!" << endl;
cout << p->s_Data << endl;
return;
}
//这里采用最简单的桶排序
void Management::ShowByPaixu()
{
cout << "请问您想根据哪一项对教师信息进行排序？" << endl
<< "(1.年龄 2.评分 0.返回)" << endl;
int c;
cin >> c;
NodeList<Teacher> pucket[100];//100个桶
Node<Teacher>*p = s_TeacherList.GetHead();
switch (c)
{
case 1:
{
while (p)
{
pucket[p->s_Data.GetAge() - 1].AddAt(p->s_Data, pucket[p->s_Data.GetAge() - 1].GetNum());
p = p->s_Next;
}
break;
}
case 2:
{
while (p)
{
pucket[p->s_Data.GetPingfen() - 1].AddAt(p->s_Data, pucket[p->s_Data.GetPingfen() - 1].GetNum());
p = p->s_Next;
}
break;
}
case 0:break;
default:break;
}
for (int i = 99; i >= 0; i--)
{
p = pucket[i].GetHead();
while (p)
{
cout << p->s_Data << endl;
p = p->s_Next;
}
}
}
void Management::ReadFile()
{
ifstream in("data.txt");
if (in.fail())
{
cout << "Data error!" << endl;
return;
}
do{
int id, age, pingfen;
string name, sex, major, number;
float money;
in >> id >> name >> sex >> age >> major>> number >> money>>pingfen;
Teacher one(id, name, sex, age, major, number, money,pingfen);
s_TeacherList.AddAt(one, s_TeacherList.GetNum());
} while (!in.eof());
cout << "Read file successful!" << endl;
in.close();
}
void Management::WriteFile()
{
ofstream out("outdata.txt");
if (!out)
{
cerr << " file error!" << endl;
return;
}
Node<Teacher>*p = s_TeacherList.GetHead();
while (p)
{
out << p->s_Data;
cout << p->s_Data;
p = p->s_Next;
}
cout << "Write file successful!" << endl;
out.close();
}
void Management::AddAllAge()
{
Node<Teacher>*p = s_TeacherList.GetHead();
while (p)
{
p->s_Data.AddAge();
p = p->s_Next;
}
cout << "教师年龄增加完成!" << endl;
return;
}
void Management::ClearAllDate()
{
if (s_TeacherList.IsEmpty())
{
cout << "数据已经为空!" << endl;
return;
}
else if (s_TeacherList.Clear())
cout << "删除数据成功!" << endl;
else {
cout << "删除数据失败,程序退出" << endl;
exit(0);
}
return;
}主函数：菜单选项
#include<iostream>
#include<fstream>
#include <string>
#include"Management.h"
using namespace std;
int main()
{
Management manager;
while (1)
{
cout << "**********************************" << endl;
cout << "****欢迎您使用教师信息系统********" << endl;
cout << "* *" << endl;
cout << "* |输入数字执行您想使用的功能| *" << endl;
cout << "* 1.读取文件 *" << endl;
cout << "* 2.写入文件 *" << endl;
cout << "* 3.显示教师信息 *" << endl;
cout << "* 4.添加教师信息 *" << endl;
cout << "* 5.删除教师信息 *" << endl;
cout << "* 6.更改教师信息 *" << endl;
cout << "* 7.查询教师信息 *" << endl;
cout << "* 8.按年龄或评分排序 *" << endl;
cout << "* 9.增加所有老师年龄 *" << endl;
cout << "* 10.清空所有数据 *" << endl;
cout << "* 0.退出 *" << endl;
cout << "**********************************" << endl;
int input;
cin >> input;
switch (input)
{
case 1: {manager.ReadFile(); manager.ShowAll(); break; }
case 2: {manager.WriteFile(); break; }
case 3: {manager.ShowAll(); break; }
case 4: {manager.AddTeacher(); break; }
case 5: {manager.DeletTeacher(); break; }
case 6: {manager.ChangeTeacherXinxi(); break; }
case 7: {manager.SearchById(); break; }
case 8: {manager.ShowByPaixu(); break; }
case 9: {manager.AddAllAge(); break; }
case 10: {manager.ClearAllDate(); break; }
case 0: exit(0);
default:return 0;
}
}
return 0;
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