C++实现管理系统的示例代码

#include<iostream>
#include<string>
using namespace std;

struct Contact
{
  string name;//姓名
  string sex;//性别
  int age;//年龄
  int phoneNumber;//联系电话
  string address;//家庭地址
};

void printContactInfo(const Contact *p);

#include "Contact.h"

void printContactInfo(const Contact * p)
{
  cout << "姓名：" << p->name <<
    "---性别：" << p->sex <<
    "---年龄：" << p->age <<
    "---联系电话：" << p->phoneNumber <<
    "---家庭地址：" << p->address << endl;
}

#include<iostream>
#include "Contact.h"
using namespace std;

#define MAX 1000

struct ContactManager
{
  //联系人数组
  Contact contactArr[MAX];
  //当前联系人数量
  int size;
};

void showMenu();
void exitSys();
void addContact(ContactManager *manager);
void showContactList(ContactManager *manager);
void delContactByName(ContactManager *manager);
void findContactByName(ContactManager *manager);
void updateContactByName(ContactManager *manager);
void clearManager(ContactManager *manager);

#include "ContactManager.h"

void showMenu()
{
  cout << "*********************************************" << endl;
  cout << "********   1、添加联系人   ************" << endl;
  cout << "********   2、显示联系人   ************" << endl;
  cout << "********   3、删除联系人   ************" << endl;
  cout << "********   4、查找联系人   ************" << endl;
  cout << "********   5、修改联系人   ************" << endl;
  cout << "********   6、清空联系人   ************" << endl;
  cout << "********   0、退出通讯录   ************" << endl;
  cout << "*********************************************" << endl;
  cout << "-----> 请选择操作项并输入操作项编号：" << endl;
}

void exitSys()
{
  cout << "欢迎下次使用，再见" << endl;
  system("pause");
}

void addContact(ContactManager *manager)
{
  cout << "请输入联系人姓名:";
  cin >> manager->contactArr[manager->size].name;
  cout << "请输入联系人性别：";
  cin >> manager->contactArr[manager->size].sex;
  cout << "请输入联系人年龄：";
  cin >> manager->contactArr[manager->size].age;
  cout << "请输入联系人号码：";
  cin >> manager->contactArr[manager->size].phoneNumber;
  cout << "请输入联系人地址：";
  cin >> manager->contactArr[manager->size].address;
  cout << "添加联系人成功！！！" << endl;
  manager->size++;
  system("pause");
  system("cls");
}

void showContactList(ContactManager * manager)
{
  for (int i = 0; i < manager->size; i++)
  {
    printContactInfo(&manager->contactArr[i]);
  }
  system("pause");
  system("cls");
}

void delContactByName(ContactManager * manager)
{
  cout << "请输入要删除联系人的姓名：";
  string name;
  cin >> name;
  int pos = isExist(manager, name);
  if (pos == -1)
  {
    cout << "联系人不存在！！" << endl;
  }
  else
  {
    cout << "联系人的位置在" << pos << endl;
    //数据前移
    for (int i = pos; i < manager->size; i++)
    {
      manager->contactArr[pos] = manager->contactArr[pos + 1];
    }
    cout << "删除联系人成功！！" << endl;
    manager->size--;
  }
  
  system("pause");
  system("cls");
}

void findContactByName(ContactManager * manager)
{
  cout << "请输入要查找联系人的姓名：";
  string name;
  cin >> name;
  int pos = isExist(manager, name);
  if (pos == -1)
  {
    cout << "联系人不存在！！" << endl;
  }
  else
  {
    printContactInfo(&manager->contactArr[pos]);
  }

  system("pause");
  system("cls");
}

void updateContactByName(ContactManager * manager)
{
  cout << "请输入要修改联系人的姓名：";
  string name;
  cin >> name;
  int pos = isExist(manager, name);
  if (pos == -1)
  {
    cout << "联系人不存在！！" << endl;
  }
  else
  {
    cout << "请输入联系人性别：";
    cin >> manager->contactArr[pos].sex;
    cout << "请输入联系人年龄：";
    cin >> manager->contactArr[pos].age;
    cout << "请输入联系人号码：";
    cin >> manager->contactArr[pos].phoneNumber;
    cout << "请输入联系人地址：";
    cin >> manager->contactArr[pos].address;
    cout << "修改联系人成功！！！" << endl;
  }
  system("pause");
  system("cls");
}

void clearManager(ContactManager * manager)
{
  manager->size = 0;
  cout << "清空联系人成功！！！" << endl;
  system("pause");
  system("cls");
}