通讯录管理系统优化代码

hzh193536

[C++] 纯文本查看 复制代码

#include "menu.h"

int main()
{
    // 创建通讯录
    AddressBooks abs;
    abs.size = 0;

    int select = 0;

    while (true)
    {
        // system("clear");
        showMenu();

        cin >> select;

        switch (select)
        {
        case 1:
            addPerson(&abs);
            break;
        case 2:
            showPerson(&abs);
            break;
        case 3:
            deletePerson(&abs);
            break;
        case 4:
            findPerson(&abs);
            break;
        case 5:
            modifyPerson(&abs);
            break;
        case 6:
            cleanPerson(&abs);
            break;
        case 0:
            cout << "欢迎下次使用" << endl;
            return 0;
            break;
        default:
            cout << "输入错误，请重新输入" << endl;
            break;
        }
    }

    return 0;
}

menu.h

[C++] 纯文本查看 复制代码

#pragma once // 编译器保证文件只包含一次
// 缺点：依赖编译器，影响代码移植性，物理文件只包含一次，如果拷贝多份还是会重复包含
// #ifndef--#define--#endif，使用的是宏定义，支持c环境即可，移植性好

#include <iostream>
#include <string>

using namespace std;

#define MAX_NUM 1000

struct Person
{
    string name;
    int sex; // 1男 2女
    int age;
    string phone;
    string address;
};

struct AddressBooks
{
    struct Person personArray[MAX_NUM];
    int size; // 通讯录中人员个数
};

void showMenu();
void addPerson(AddressBooks *abs);
void showPerson(AddressBooks *abs);
void deletePerson(AddressBooks *abs);
void findPerson(AddressBooks *abs);
void modifyPerson(AddressBooks *abs);
void cleanPerson(AddressBooks *abs);

menu.cpp

[C++] 纯文本查看 复制代码

#include "menu.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;
}

void setPerson(AddressBooks *abs, int pos)
{
    cout << "请输入姓名：" << endl;
    string name = "";
    cin >> name;
    abs->personArray[pos].name = name;

    cout << "请输入性别：" << endl;
    cout << "1 -- 男" << endl;
    cout << "2 -- 女" << endl;
    int sex = 0;
    while (true)
    {
        cin >> sex; // sex是int类型，当输入字符时，会产生cin.fail，产生错误状态，输入流无法再次读取，会进入死循环
        if (cin.fail())
        {
            cin.clear(); // 清除cin的错误状态
            // cin.sync();  // 清除输入缓冲区，不生效，使用ignore
            cin.ignore(numeric_limits<streamsize>::max(), '\n');
            cout << "输入类型有误，请重新输入" << endl;
            continue;
        }

        if (sex == 1 || sex == 2)
        {
            abs->personArray[pos].sex = sex;
            break;
        }
        cout << "输入有误，请重新输入" << endl;
    }

    cout << "请输入年龄：" << endl;
    int age = 0;
    cin >> age;
    abs->personArray[pos].age = age;

    cout << "请输入联系电话：" << endl;
    string phone = "";
    cin >> phone;
    abs->personArray[pos].phone = phone;

    cout << "请输入家庭住址：" << endl;
    string address = "";
    cin >> address;
    abs->personArray[pos].address = address;
}

void addPerson(AddressBooks *abs)
{
    if (abs->size == MAX_NUM)
    {
        cout << "通讯录已满，无法添加" << endl;
    }
    else
    {
        setPerson(abs, abs->size);

        // 更新通信录人数
        abs->size++;

        cout << "添加成功" << endl;
    }
}

void printPerson(AddressBooks *abs, int pos)
{
    cout << "姓名：" << abs->personArray[pos].name << "\t";
    cout << "性别：" << (abs->personArray[pos].sex == 1 ? "男" : "女") << "\t";
    cout << "年龄：" << abs->personArray[pos].age << "\t";
    cout << "电话：" << abs->personArray[pos].phone << "\t";
    cout << "住址：" << abs->personArray[pos].address << endl;
}

void showPerson(AddressBooks *abs)
{
    if (abs->size == 0)
    {
        cout << "当前记录为空" << endl;
    }
    else
    {
        for (int i = 0; i < abs->size; i++)
        {
            printPerson(abs, i);
        }
    }
}

// 判断是否存在查询的人员，存在返回在数组中索引位置，不存在返回-1
int isExist(AddressBooks *abs, string name)
{
    for (int i = 0; i < abs->size; i++)
    {
        if (abs->personArray[i].name == name)
        {
            return i;
        }
    }

    return -1;
}

void deletePerson(AddressBooks *abs)
{
    cout << "请输入您要删除的联系人：" << endl;
    string name;
    cin >> name;

    int ret = isExist(abs, name);
    if (ret != -1)
    {
        for (int i = ret; i < abs->size - 1; i++)
        {
            abs->personArray[i] = abs->personArray[i + 1];
        }
        abs->size--;
        cout << "删除成功" << endl;
    }
    else
    {
        cout << "查无此人" << endl;
    }
}

void findPerson(AddressBooks *abs)
{
    cout << "请输入您要查找的联系人：" << endl;

    string name;
    cin >> name;

    int ret = isExist(abs, name);
    if (ret != -1)
    {
        printPerson(abs, ret);
    }
    else
    {
        cout << "查无此人" << endl;
    }
}

void modifyPerson(AddressBooks *abs)
{
    cout << "请输入您要修改的联系人：" << endl;

    string name;
    cin >> name;

    int ret = isExist(abs, name);
    if (ret != -1)
    {
        setPerson(abs, ret);
        cout << "修改成功" << endl;
    }
    else
    {
        cout << "查无此人" << endl;
    }
}

void cleanPerson(AddressBooks *abs)
{
    abs->size = 0;
    cout << "通讯录已清空" << endl;
}

GXNNYWF

嗯，这个是好东西，有成品吗？

nxyuym

如果能看到运行界面 就好了

ailmail

谢谢楼主，学习练练手

wu2_cgj

只能保存在内存里

xiaoyao2

看不到的吗

guozishula

这个哪里有呀？楼主。使用起来方便