c语言通讯录管理系统

第一次大作业，小记录一下

#include
#include
#include
#include
using namespace std;
#define MAX 1000

//创建联系人结构体
struct Person 
{
	char m_Name[100];//姓名
	char m_Phone[100]; //电话
	char m_Addr[100]; //工作单位
	char m_Email[100];//电子邮箱
};

//创建通讯录结构体
struct Addressbooks 
{
	struct Person personArray[MAX]; //通讯录中保存的联系人数组
	int m_Size; //通讯录中人员个数
};


//1、添加联系人函数
void addPerson(Addressbooks* abs) 
{
	if (abs->m_Size == MAX) {	//判断通讯录是否满了
		printf("通讯录已满，无法添加");
		return;
	}
	else {
		//姓名
		char name[100];
		printf("请输入姓名：");
		scanf_s("%s", name);
		strcpy_s(abs->personArray[abs->m_Size].m_Name, name); //把得到的新信息覆盖原来的信息

		//电话号码
		printf("请输入电话号码：");
		char phone[100];
		scanf_s("%s", phone);
		strcpy_s(abs->personArray[abs->m_Size].m_Phone, phone);

		//工作单位
		printf("请输入工作单位:");
		char address[100];
		scanf_s("%s", address);
		strcpy_s(abs->personArray[abs->m_Size].m_Addr, address);

		//电子邮箱
		printf("请输入电子邮箱:");
		char email[100];
		scanf_s("%s", email);
		strcpy_s(abs->personArray[abs->m_Size].m_Email, email);

		//更新通讯录人数
		abs->m_Size++;
		printf("添加成功！");

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

//2、显示联系人信息函数
void showPerson(Addressbooks* abs) 
{
	if (abs->m_Size == 0) 
	{
		printf("当前记录为空");
	}
	else {
		for (int i = 0; i < abs->m_Size; i++) {
			printf("姓名：%sn", abs->personArray[i].m_Name);
			printf("电话号码：%sn", abs->personArray[i].m_Phone);
			printf("工作单位：%sn", abs->personArray[i].m_Addr);
			printf("电子邮箱：%s", abs->personArray[i].m_Email);
		}
	}
	system("pause");
	system("cls");
}

//3、删除联系人函数
void deletePerson(Addressbooks* abs)
{
	printf("请输入您要删除的联系人的姓名：");
	char name[100];
	scanf_s("%s", name);

	for (int i = 0; i < abs->m_Size; i++)
	{
		if (strcmp(abs->personArray[i].m_Name, name) == 0)
		{
			abs->personArray[i] = abs->personArray[i + 1];//删除功能
			abs->m_Size--;
			printf("删除成功！");
		}
		else if (strcmp(abs->personArray[i].m_Name, name) != 0)  printf("查无此人");
	}

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

//4、查找联系人函数
void findPerson(Addressbooks* abs)
{
	printf("请输入您要查找的联系人的姓名：");
	char name[100];
	scanf_s("%s", name);

	for (int i = 0; i < abs->m_Size; i++)
	{
		if (strcmp(abs->personArray[i].m_Name, name) == 0)
		{
			printf("姓名：%sn", abs->personArray[i].m_Name);
			printf("电话号码：%sn", abs->personArray[i].m_Phone);
			printf("工作单位：%sn", abs->personArray[i].m_Addr);
			printf("电子邮箱：%sn", abs->personArray[i].m_Email);
		}
		else if (strcmp(abs->personArray[i].m_Name, name) != 0) printf("查无此人");
	}

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

//5、修改联系人函数
void modifyPerson(Addressbooks* abs) {
	printf("请输入您要修改的联系人的姓名：");
	char name[100];
	scanf_s("%s", name);

	for (int i = 0; i < abs->m_Size; i++)
	{
		if (strcmp(abs->personArray[i].m_Name, name) == 0)
		{
			char name[100];
			printf("请输入姓名：");
			scanf_s("%s", name);
			strcpy_s(abs->personArray[i].m_Name, name); //把得到的新信息覆盖原来的信息
			//电话号码
			printf("请输入电话号码：");
			char phone[100];
			scanf_s("%s", phone);
			strcpy_s(abs->personArray[i].m_Phone, phone);

			//工作单位
			printf("请输入工作单位:");
			char address[100];
			scanf_s("%s", address);
			strcpy_s(abs->personArray[i].m_Addr, address);

			//电子邮箱
			printf("请输入电子邮箱:");
			char email[100];
			scanf_s("%s", email);
			strcpy_s(abs->personArray[i].m_Email, email);
			printf("修改成功！");
		}
		else if (strcmp(abs->personArray[i].m_Name, name) != 0)  printf("查无此人");
	}

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

//菜单界面
void showMenu() 
{
	printf("***************************n");
	printf("*****  1、添加联系人  *****n");
	printf("*****  2、显示联系人  *****n");
	printf("*****  3、删除联系人  *****n");
	printf("*****  4、查找联系人  *****n");
	printf("*****  5、修改联系人  *****n");
	printf("*****  0、退出通讯录  *****n");
	printf("***************************n");
}

int main() {
	int select = 0;

	//创建通讯录
	Addressbooks abs;
	//初始化通讯录中的人数
	abs.m_Size = 0;

	while (true) {
		showMenu();

		scanf_s("%d", &select);

		switch (select) {
		case 1: //添加联系人
			addPerson(&abs);
			break;
		case 2: //显示联系人
			showPerson(&abs);
			break;
		case 3: //删除联系人
			deletePerson(&abs);
			break;
		case 4: //查找联系人
			findPerson(&abs);
			break;
		case 5: //修改联系人
			modifyPerson(&abs);
			break;
		case 0: //退出通讯录
			printf("欢迎下次使用！");
			system("pause");
			return 0;
			break;
		default:
			break;
		}
	}

	system("pause");
	return 0;
}