c++—通讯录管理系统

一、运用所学的结构体、地址指针等基础知识，完成通讯录管理系统

二、系统主要有以下6个功能：

1.添加联系人
2.显示联系人 
3.删除联系人 
4.查找联系人
5.修改联系人 
6.清空联系人 

#include<iostream>
using namespace std;
#include<string>
#define MAX 1000


//菜单界面
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;
}

//联系人结构体
struct Person
{
    string m_Name;//姓名
    int m_sex;//性别1男，2女
    int m_age;//年龄
    string m_phone;//电话
    string m_Addr; //住址
};
//通讯录结构体
struct Addressbooks 
{
    //联系人数组
    struct Person personarray[MAX];
    //联系人个数
    int m_size;

};
//1添加联系人
void addPerson(Addressbooks* abs)
{
    //判断通讯录是否满了
    if (abs->m_size==MAX)
    {
        cout << "通讯录已满，无法添加！" << endl;
        return;
    }
    else
    {
        //添加联系人

        //姓名
        string name="";
        cout << "请输入姓名：  " << endl;
        cin >> name;
        abs->personarray[abs->m_size].m_Name = name;
        
        //性别
        int sex=0;
        cout << "请输入性别：  " << endl;
        cout << "1 --- 男" << endl;
        cout << "2 --- 女" << endl;
        while (true)
        {
            cin >> sex;
            if (sex == 1 || sex == 2)
            {
                abs->personarray[abs->m_size].m_sex = sex;
                break;
            }
            cout << "输入有误，请重新输入！" << endl;
        }

        //年龄
        cout << "请输入年龄：  " << endl;
        int age = 0;
        while (true)
        {
            cin >> age;
            if (age<101)
            {
                abs->personarray[abs->m_size].m_age = age;
                break;
            } 
            cout << "输入有误，请重新输入！" << endl;
            
        }
        
        //电话
        cout << "请输入电话：  " << endl;
        string phone="";
        cin >> phone;
        abs->personarray[abs->m_size].m_phone = phone;

        //住址
        cout << "请输入家庭住址：  " << endl;
        string place="";
        cin >> place;
        abs->personarray[abs->m_size].m_Addr = place;
        
        //更新通讯录人数
        abs->m_size++;
        cout << "添加成功" << endl;

        system("pause");//请按任意键继续
        system("cls");//清屏操作
    }
}

//2.显示联系人
void showperson(Addressbooks* abs) 
{
    if (abs->m_size == 0)
    {
        cout << "当前记录为空" << endl;
    }
    else
    {
        for (int i = 0; i < abs->m_size; i++)
        {
            cout << "姓名:  " << abs->personarray[i].m_Name << "\t";
            cout << "性别:  " << (abs->personarray[i].m_sex == 1 ? "男":"女") << "\t";
            cout << "年龄:  " << abs->personarray[i].m_age << "\t";
            cout << "电话:  " << abs->personarray[i].m_phone << "\t";
            cout << "住址:  " << abs->personarray[i].m_Addr << endl;
        }
    }
    system("pause");
    system("cls");
}

//3.1检测联系人是否存在
int Exist(Addressbooks* abs,string name)//通讯录，对比姓名 
{
    for (int i = 0; i < abs->m_size; i++)
    {
        if (abs->personarray[i].m_Name == name)
        {
            return i;
        }
    }
    return -1;
}
//3.2删除联系人
void Delteperson(Addressbooks* abs)
{
    cout << "请输入您要删除的联系人" << endl;

    string name;
    cin >> name;

    int ret = Exist(abs, name);

    if (ret!=-1)
    {
        for (int i = ret; i < abs->m_size; i++)
        {
            //数据前移
            abs->personarray[i] = abs->personarray[i + 1];
        }
        abs->m_size--;//更新人员数量
        cout << "删除成功" << endl;
    }
    else
    {
        cout << "查无此人！" << endl;
    }
    system("pause");
    system("cls");
}

//4.查找联系人
void findperson(Addressbooks* abs) 
{
    cout << "请输入需要查找的联系人" << endl;
    string name;
    cin >> name;

    //判断是否存在
    int ret = Exist(abs, name);

    if (ret!=-1)
    {
        int i = ret;
        cout << "姓名:  " << abs->personarray[i].m_Name << "\t";
        cout << "性别:  " << (abs->personarray[i].m_sex == 1 ? "男" : "女") << "\t";
        cout << "年龄:  " << abs->personarray[i].m_age << "\t";
        cout << "电话:  " << abs->personarray[i].m_phone << "\t";
        cout << "住址:  " << abs->personarray[i].m_Addr << endl;
    }
    else
    {
        cout << "查无此人！" << endl;
    }
    system("pause");
    system("cls");

}

//5.修改联系人
void modifyperson(Addressbooks* abs)
{
    cout << "请输入需要修改的联系人" << endl;
    string name;
    cin >> name;

    //判断是否存在
    int ret = Exist(abs, name);

    if (ret != -1)
    {
        int i= ret;
        //显示要修改人信息
        cout << "---------------------------------------------" << endl;
        cout << "姓名:  " << abs->personarray[i].m_Name << "\t";
        cout << "性别:  " << (abs->personarray[i].m_sex == 1 ? "男" : "女") << "\t";
        cout << "年龄:  " << abs->personarray[i].m_age << "\t";
        cout << "电话:  " << abs->personarray[i].m_phone << "\t";
        cout << "住址:  " << abs->personarray[i].m_Addr << endl;
        
        //根据不同需求修改联系人信息
        int n = 0;
        cout << "---------------------------------------------" << endl;
        cout << "           请选择需要修改的内容选项：        " << endl;
        cout << "---------------------------------------------" << endl;
        cout << "1--姓名；2--性别；3--年龄；4--电话；5--住址；6--全部修改；7--退出" << endl;
        
        while (n!=7)
        {
            cin >> n;
            string me = "";
            int sex=0;
            int age = 0;
            string phone = "";
            string place = "";

            switch (n)
            {
            case 1:
                //姓名
                cout << "请输入姓名：  " << endl;
                cin >> me;
                abs->personarray[i].m_Name = me;
                cout << "修改成功" << endl;
                cout << "如要修改请继续选择其他选项，退出请按7" << endl;
                break;
            case 2:
                //性别
                cout << "请输入性别：  " << endl;
                cout << "1 --- 男" << endl;
                cout << "2 --- 女" << endl;
                
                while (true)
                {
                    cin >> sex;
                    if (sex == 1 || sex == 2)
                    {
                        abs->personarray[i].m_sex = sex;
                        break;
                    }
                    cout << "输入有误，请重新输入！" << endl;
                }
                cout << "修改成功" << endl;
                cout << "如要修改请继续选择其他选项，退出请按7" << endl;
                break;

            case 3:
                //年龄
                cout << "请输入年龄：  " << endl;
                
                cin >> age;
                abs->personarray[i].m_age = age;
                cout << "修改成功" << endl;
                cout << "如要修改请继续选择其他选项，退出请按7" << endl;
                break;

            case 4:
                //电话
                cout << "请输入电话：  " << endl;
                
                cin >> phone;
                abs->personarray[i].m_phone = phone;
                cout << "修改成功" << endl;
                cout << "如要修改请继续选择其他选项，退出请按7" << endl;
                break;

            case 5:
                //住址
                cout << "请输入家庭住址：  " << endl;

                cin >> place;
                abs->personarray[i].m_Addr = place;
                cout << "修改成功" << endl;
                cout << "如要修改请继续选择其他选项，退出请按7" << endl;
                break;
                

            case 6:
                //姓名
                cout << "请输入姓名：  " << endl;
                cin >> name;
                abs->personarray[i].m_Name=name;
                
                //性别
                cout << "请输入性别：  " << endl;
                cout << "1 --- 男" << endl;
                cout << "2 --- 女" << endl;

                while (true)
                {
                    cin >> sex;
                    if (sex == 1 || sex == 2)
                    {
                        abs->personarray[i].m_sex = sex;
                        break;
                    }
                    cout << "输入有误，请重新输入！" << endl;
                }

                //年龄
                cout << "请输入年龄：  " << endl;
                cin >> age;
                abs->personarray[i].m_age = age;

                //电话
                cout << "请输入电话：  " << endl;
                cin >> phone;
                abs->personarray[i].m_phone = phone;

                //住址
                cout << "请输入家庭住址：  " << endl;
                cin >> place;
                abs->personarray[i].m_Addr = place;
                cout << "修改成功" << endl;
                n = 7;
                break;

            default:
                break;
            }
        }

    }
    else
    {
        cout << "查无此人！" << endl;
    }
    system("pause");
    system("cls");

}
//6、清空所有联系人
void cleanperson(Addressbooks* abs)
{
    cout << "请问是否真的要清空通讯录？ " << endl;
    cout << "1--确定" << endl;
    cout << "0--不清空" << endl;
    int b;
    cin >> b;
    while (b==1)
    {
        abs->m_size = 0;
        cout << "通讯录已清空" << endl;
        break;
    }
    system("pause");
    system("cls");
}

int main()
{
    //创建通讯录结构体变量
    Addressbooks abs;
    //当前人员个数
    abs.m_size = 0;
    
    int select = 0;//创建用户选择输入变量

    while (true) //除了选0，能一直使用
    {
        //菜单调用
        showMenu();

        cin >> select;
        switch (select)
        {
        case 1:        //1.添加联系人
            addPerson(&abs); //地址传递
            break;
        case 2:        //2.显示联系人
            showperson(&abs);
            break;
        case 3:        //3.删除联系人
            Delteperson(&abs);
            break;
        case 4:        //4.查找联系人
            findperson(&abs);
            break;
        case 5:        //5.修改联系人 
            modifyperson(&abs);
            break;
        case 6:        //6.清空联系人 
            cleanperson(&abs);
            break;
        case 0:        //0.退出通讯录  
            cout << "欢迎下次使用" << endl;
            system("pause");
            return 0;
            break;
        default:
            break;
        }
    }

    

    system("pause");
    return 0;
}

 

0.退出通讯录

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