C++练习-【1】通讯录管理系统

效果

讲义要求：

讲义下载链接

代码：

#include <iostream>
#include <string>
using namespace std;
const int MAX_PERSON = 10;
struct Person
{
    //联系人信息包括：姓名、性别、年龄、联系电话、家庭住址
    string name;
    string sex;
    int age;
    string phone;
    string address;
};
struct AddressBook
{
    Person pArray[MAX_PERSON];
    int Adr_Size;
};
//菜单界面
void showMenu()
{
    cout << "***************************" << endl;
    cout << "*****  1、添加联系人  *****\n"
         << endl;
    cout << "*****  2、显示联系人  *****\n"
         << endl;
    cout << "*****  3、删除联系人  *****\n"
         << endl;
    cout << "*****  4、查找联系人  *****\n"
         << endl;
    cout << "*****  5、修改联系人  *****\n"
         << endl;
    cout << "*****  6、清空联系人  *****\n"
         << endl;
    cout << "*****  0、退出通讯录  *****" << endl;
    cout << "***************************" << endl;
}
int Add_Person(AddressBook *abs)
{
    int i = abs->Adr_Size;
    int flag = 0;
    int sex_select = 0;
    if (abs->Adr_Size - MAX_PERSON >= 0)
    {
        cout << "通讯录已满，无法添加" << endl;
        return 0;
    }
    else
    {

        while (true)
        {
            cout << "通讯录还可添加 " << MAX_PERSON - abs->Adr_Size << " 人！" << endl;

            cout << "请输入联系人姓名：" << endl;
            cin >> abs->pArray[i].name;
            cout << "请选择联系人性别[输入0或1]：" << endl;
            cout << "\t0.女\t1.男" << endl;
            cin >> sex_select;
            sex_choose:
                if(sex_select == 0)abs->pArray[i].sex = "女";
                else if(sex_select == 1)abs->pArray[i].sex = "男";
                else
                {
                    cout << "您的输入有误！，请重新输入"<<endl;
                    goto sex_choose;
                }
            
            cout << "请输入联系人年龄：" << endl;
            cin >> abs->pArray[i].age;
            cout << "请输入联系人联系电话：" << endl;
            cin >> abs->pArray[i].phone;
            cout << "请输入联系人家庭住址：" << endl;
            cin >> abs->pArray[i].address;
            abs->Adr_Size++;
            i++;
            cout << "添加成功！\n\n是否继续添加？" << endl;
            cout << "输入“ 0 ”返回菜单" << endl;
            cout << "输入“ 1 ”继续添加" << endl;
            cin >> flag;
            if (flag == 0)
            {
                system("cls");
                return 0;
            }
            else
            {
                system("cls");
            }
        }
    }
    return 0;
}
int Show_Persons(AddressBook *abs)
{
    int select = 0;
    if (abs->Adr_Size > 0)
    {
        while (true)
        {

            for (int i = 0; i < abs->Adr_Size; i++)
            {
                cout << "[ " << i + 1 << " ]" << endl;
                cout << "姓名：" << abs->pArray[i].name << "\t";
                cout << "联系电话：" << abs->pArray[i].phone << "\t" << endl;
            }
            cout << "\n【输入“ 0 ”退出】输入通讯录姓名对应数字查看详情！" << endl;
            cin >> select;
            if (select == 0 || select > abs->Adr_Size)
                return 0;
            else
            {
                cout << "[ " << select << " ]" << endl;
                cout << "姓名：" << abs->pArray[select - 1].name << "\t";
                cout << "性别：" << abs->pArray[select - 1].sex << "\t";
                cout << "年龄：" << abs->pArray[select - 1].age << "\t";
                cout << "联系电话：" << abs->pArray[select - 1].phone << "\t";
                cout << "家庭住址：" << abs->pArray[select - 1].address << "\t\n";
                system("pause");
            }
        }
    }
    else
    {
        system("cls");
        cout << "通讯录为空！" << endl;
        system("pause");
        return 0;
    }

    return 0;
}
int isExist(AddressBook *abs, string name)
{
    for (int i = 0; i < abs->Adr_Size; i++)
    {
        if (abs->pArray[i].name == name)
        {
            return i + 1;
        }
    }
    return 0;
}
int Delete_Person(AddressBook *abs)
{
    string name = "";
    int is_exist = 0;
    int flag = 0;
    while (true)
    {
        cout << "请输入要删除的联系人的姓名：" << endl;
        cin >> name;
        is_exist = isExist(abs, name);
        if (is_exist == 0)
        {
            cout << "联系人" << name << " 不存在！" << endl;
            system("pause");
        }
        else
        {
            for (int i = is_exist - 1; i < abs->Adr_Size; i++)
            {
                abs->pArray[i] = abs->pArray[i + 1];
            }
            cout << "联系人" << name << " 成功！\n"
                 << endl;
            abs->Adr_Size--;
        }
        cout << "输入“ 0 ”返回菜单" << endl;
        cout << "输入“ 1 ”继续删除" << endl;
        cin >> flag;
        if (flag == 0)
        {
            system("cls");
            return 0;
        }
        else
        {
            cout << "-----继续删除-----" << endl;
        }
    }
}
int Search_Person(AddressBook *abs)
{
    string name = "";
    int flag = 0;
    int is_exist = 0;
    while (true)
    {
        cout << "请输入要查找的联系人的姓名：" << endl;
        cin >> name;
        is_exist = isExist(abs, name);
        if (is_exist == 0)
        {
            cout << "联系人" << name << " 不存在！" << endl;
            system("pause");
        }
        else
        {
            cout << "姓名：" << abs->pArray[is_exist - 1].name << "\t";
            cout << "性别：" << abs->pArray[is_exist - 1].sex << "\t";
            cout << "年龄：" << abs->pArray[is_exist - 1].age << "\t";
            cout << "联系电话：" << abs->pArray[is_exist - 1].phone << "\t";
            cout << "家庭住址：" << abs->pArray[is_exist - 1].address << "\t\n";
            system("pause");
        }
        cout << "输入“ 0 ”返回菜单" << endl;
        cout << "输入“ 1 ”继续查找" << endl;
        cin >> flag;
        if (flag == 0)
        {
            system("cls");
            return 0;
        }
        else
        {
            cout << "-----继续查找-----" << endl;
        }
    }
}
int Alter_Person(AddressBook *abs)
{
    string name = "";
    int is_exist = 0;
    int flag = 0;
    int sex_select = 0;
    while (true)
    {
        cout << "请输入要修改的联系人的姓名：" << endl;
        cin >> name;
        is_exist = isExist(abs, name);
        if (is_exist == 0)
        {
            cout << "联系人" << name << " 不存在！" << endl;
            system("pause");
        }
        else
        {
            cout << "-------------------原信息为--------------------：" << endl;
            cout << "姓名：" << abs->pArray[is_exist - 1].name << "\t";
            cout << "性别：" << abs->pArray[is_exist - 1].sex << "\t";
            cout << "年龄：" << abs->pArray[is_exist - 1].age << "\t";
            cout << "联系电话：" << abs->pArray[is_exist - 1].phone << "\t";
            cout << "家庭住址：" << abs->pArray[is_exist - 1].address << "\t\n";
            system("pause");

            cout << "-------------------修改信息--------------------：" << endl;
            cout << "请输入新的联系人姓名：" << endl;
            cin >> abs->pArray[is_exist - 1].name;
            cout << "请选择新联系人的性别[输入0或1]：" << endl;
            cout << "\t0.女\t1.男" << endl;
            cin >> sex_select;
            sex_choose:
                if(sex_select == 0)abs->pArray[is_exist - 1].sex = "女";
                else if(sex_select == 1)abs->pArray[is_exist - 1].sex = "男";
                else
                {
                    cout << "您的输入有误！，请重新输入"<<endl;
                    goto sex_choose;
                }
            cout << "请输入新的联系人年龄：" << endl;
            cin >> abs->pArray[is_exist - 1].age;
            cout << "请输入新的联系人联系电话：" << endl;
            cin >> abs->pArray[is_exist - 1].phone;
            cout << "请输入新的联系人家庭住址：" << endl;
            cin >> abs->pArray[is_exist - 1].address;
            cout << "-------------------修改结束--------------------：" << endl;
        }
        cout << "输入“ 0 ”返回菜单" << endl;
        cout << "输入“ 1 ”继续修改" << endl;
        cin >> flag;
        if (flag == 0)
        {
            system("cls");
            return 0;
        }
        else
        {
            cout << "-----继续修改-----" << endl;
        }
    }
}
int Clean_All_Persons(AddressBook *abs)
{
    for (int i = 0; i < abs->Adr_Size; i++)
    {
        abs->pArray[i] = abs->pArray[abs->Adr_Size];
    }
    abs->Adr_Size = 0;
    cout << "联系人已清空！\n" << endl;
    system("pause");
}
int main()
{
    int function = 0;
    AddressBook abs;
    abs.Adr_Size = 0;
    while (true)
    {
        system("cls");
        showMenu();
        cout << endl
             << "请输入功能代号：" << endl;
        cin >> function;
        switch (function)
        {
        case 1:
            system("cls");
            Add_Person(&abs);
            break;
        case 2:
            system("cls");
            Show_Persons(&abs);
            break;
        case 3:
            system("cls");
            Delete_Person(&abs);
            break;
        case 4:
            system("cls");
            Search_Person(&abs);
            break;
        case 5: 
            system("cls");  
            Alter_Person(&abs);
            break;
        case 6: 
            system("cls");  
            Clean_All_Persons(&abs);
            break;
        case 0:
            cout << "\n欢迎再次使用通讯录管理系统，再见！" << endl;
            break;
        default:
            system("cls");
            cout << "---------------------------" << endl;
            cout << "\n您的输入有误，请重新输入！\n"
                 << endl;
            cout << "---------------------------" << endl;
            break;
        }
        if (function == 0)
            break;
    }

    system("pause");
}