C/C++教程

【学校实验】通讯录管理系统C++

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通讯录管理系统

  • 一、代码
  • 二、总结


一、代码

//封装函数显示该界面,在main函数中调用这个封装函数
#include<iostream>
#include<string>
#define MAX 1000
using namespace std;
void showMenu();

//设计联系人的结构体 名字 性别 年龄 电话 住址
struct People {
	//创建名字
	string Pname;
	//创建性别 输入1为男 输入2为女
	int Psex;
	//创建年龄
	int Page;
	//创建手机号码
	string Ptele;
	//创建地址
	string Pdress;
};

//设计通讯录的结构体 通讯录的容量为1000
struct Abooks {
	//通讯录中保存的联系人的数组
	struct People Parry[MAX];
	//记录通讯录中的总人数
	int Asize;
};

//1.功能1,添加联系人
void Addpeople(Abooks * abs)
{
		//判断通讯录名额是否已满
		if (abs->Asize == MAX)
		{
			cout << "通讯录已满,录入失败" << endl;
		}
		else
		{
			//提示输入姓名
			string name;
			cout << "请输入名字:" << endl;
			cin >> name;
			abs->Parry[abs->Asize].Pname = name;
			cout << "成功..." << endl;
			//提示输入性别 1男2女
			cout << "请输入性别:" << endl;
			cout << "输入1 ---- 为男生    输入2 ---- 为女生" << endl;
			int sex = 0;
			while (true) {
				cin >> sex;
				if (sex == 1 || sex == 2)
				{
					abs->Parry[abs->Asize].Psex = sex;
					cout << "成功..." << endl;
					break;
				}
				cout << "输入错误,请重新输入..." << endl;
			}
			//提示输入年龄
			cout << "请输入年龄:" << endl;
			int age = 0;
			cin >> age;
			abs->Parry[abs->Asize].Page = age;
			cout << "成功..." << endl;
			//提示输入电话
			cout << "请输入电话:" << endl;
			string tele ;
			cin >> tele;
			abs->Parry[abs->Asize].Ptele = tele;
			cout << "成功..." << endl;
			/*while (true)
			{
				cin >> tele;
				if (tele % 100000000000 > 10000000000)
				{
					abs->Parry[abs->Asize].Ptele = tele;
					cout << "成功..." << endl;
					break;
				}
				cout << "电话号码错误,请重新输入..." << endl;
			}*/
			//提示输入地址
			cout << "请输入地址:" << endl;
			string dress;
			cin >> dress;
			abs->Parry[abs->Asize].Pdress = dress;
			cout << "成功..." << endl;

			abs->Asize++;
			cout << "添加成功..." << endl;
			system("pause");//按任意键继续
			system("cls");//清屏操作
		}
}

//功能2.显示联系人
void Showpeople(Abooks* abs)
{
	//判断通讯录人数是否为0,为0显示未添加联系人
	if (abs->Asize == 0)
	{
		cout << "当前通讯录无联系人.." << endl
			 << "请添加联系人.." << endl;
	}
	else 
	{
		//通讯录不为0时,显示联系人
		for (int i = 0; i < abs->Asize; i++)
		{
			cout << "姓名为:" << abs->Parry[i].Pname << "\t"
				 << "性别为:" << (abs->Parry[i].Psex == 1 ? "男" : "女") << "\t"
				 << "年龄为:" << abs->Parry[i].Page << "\t"
				 << "电话号码为:"<< abs->Parry[i].Ptele <<"\t"
				 << "  地址为:" << abs->Parry[i].Pdress <<endl<<endl;
		}
	}
	system("pause");//按任意键继续
	system("cls");//清屏操作
}

//设计判断联系人是否存在的函数
int Judge(Abooks* abs, string name)
{
	for (int i = 0; i < abs->Asize; i++)
	{
		if (abs->Parry[i].Pname == name)
		{
			return i;
		}
		else return -1;
	}
}

//功能3. 删除连续人
void DeletePeople(Abooks *abs )
{
	cout << "请输入要删除的联系人.." << endl;
	string name;
	cin >> name;
	int ret = Judge(abs, name);
	if (ret != -1) {
		//找到此人,进行删除
		for (int i = ret; i < abs->Asize; i++)
		{
			//每个数据都前移,覆盖住要删除的哪个数据
			abs->Parry[i] = abs->Parry[i + 1];
		}
		abs->Asize--;
		cout << "删除成功.." << endl;
	}
	else {
		cout << "查无此人,请重新输入.." << endl;
	}
	system("pause");//按任意键继续
	system("cls");//清屏操作
}
//功能四的输出函数
void show(Abooks* abs, int ret) {
	cout << "姓名为:" << abs->Parry[ret].Pname << "\t"
		 << "性别为:" << (abs->Parry[ret].Psex == 1 ? "男" : "女") << "\t"
		 << "年龄为:" << abs->Parry[ret].Page << "\t"
		 << "电话号码为:" << abs->Parry[ret].Ptele << "\t"
		 << "地址为:" << abs->Parry[ret].Pdress << endl << endl;
}

//功能四 查找联系人
void FindPeople(Abooks* abs) {
	//输入名字,与通讯录数组里的名字相配对 成功就输出 否则 显示查无此人
	cout << "请输入您要查找的名字.." << endl;
	string name;
	cin >> name;
	int ret = Judge(abs, name);
	if (ret != -1)
	{
		show(abs, ret);
	}
	else
	{
		cout << "查无此人,请查正后再输.." << endl;
	}
	system("pause");
	system("cls");
}

//功能五的 修改函数
void Change(Abooks* abs, int ret)
{
	cout << "请输入新的信息" << endl;
	string name;
	cout << "请输入名字:" << endl;
	cin >> name;
	abs->Parry[ret].Pname = name;
	cout << "成功..." << endl;
	cout << "请输入性别:" << endl;
	cout << "输入1 ---- 为男生    输入2 ---- 为女生" << endl;
	int sex = 0;
	while (true) {
		cin >> sex;
		if (sex == 1 || sex == 2)
		{
			abs->Parry[ret].Psex = sex;
			cout << "成功..." << endl;
			break;
		}
		cout << "输入错误,请重新输入..." << endl;
	}
	cout << "请输入年龄:" << endl;
	int age = 0;
	cin >> age;
	abs->Parry[ret].Page = age;
	cout << "成功..." << endl;
	cout << "请输入电话:" << endl;
	string tele;
	cin >> tele;
	abs->Parry[ret].Ptele = tele;
	cout << "成功..." << endl;
	cout << "请输入地址:" << endl;
	string dress;
	cin >> dress;
	abs->Parry[ret].Pdress = dress;
	cout << "成功..." << endl << endl;
}

//功能五 修改联系人
void ChangePeople(Abooks* abs)
{
	cout << "请输入您要修改的联系人" << endl;
	string name;
	cin >> name;
	int ret = Judge(abs, name);
	if (ret != -1)
	{
		Change(abs, ret);
		cout << "修改后的信息为:" << endl;
		show(abs, ret);
	}
	else
	{
		cout<< "查无此人,请查正后再输.." << endl;
	}
	system("pause");
	system("cls");
}

//功能六 清空通讯录
void DeleteAll(Abooks* abs)
{
	cout << "确定要清空通讯录吗?" << endl;
	cout << "确定 " << "\t" << "取消"<<endl;
	string chance;
	cin >> chance;
	if (chance == "确定")
	{
		abs->Asize = 0;
		cout << "删除成功";
		system("pause");
		system("cls");
	}
	else if (chance == "取消")
	{
		system("pause");
		system("cls");
	}
	else cout << "输入错误,请重新输入。" << endl;
	
}

//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;
}

int main() {
	//创建一个通讯录结构体变量
	Abooks abs;
	//初始化通讯录的人数
	abs.Asize = 0;
	//用户输入选项
	int select = 0;
	while (true) {//建立一个类似死循环
		showMenu();
		cin >> select;
		switch (select) {
		case 1:// 添加联系人
			Addpeople(&abs);
			break;
		case 2:// 显示联系人
			Showpeople(&abs);
			break;
		case 3:// 删除联系人
			DeletePeople(&abs);
			break;
		case 4:// 查找联系人
			FindPeople(&abs);
			break;
		case 5:// 修改联系人
			ChangePeople(&abs);
			break;
		case 6:// 清空联系人
			DeleteAll(&abs);
			break;
		case 0:// 退出通讯录
			cout << "欢迎下次使用通讯录" << endl;
			system("pause");//请按任意键继续
			return 0;
		default:
			break;
		}
	}
	system("pause");
	return 0;
}

二、总结

system(“cls”); 清屏操作会让程序运行起来更加美观
弄清指针关系

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