很简单的一个小项目，新手练习还是非常不错滴~
#include <iostream>
using namespace std;
/*
系统需求:
通讯录是一个可以记录亲人、好友信息的工具。
系统中需要实现的功能如下：
- 添加联系人：向通讯录中添加新人，信息包括（姓名、性别、年龄、联系电话、家庭住址）最多记录1000人
- 显示联系人：显示通讯录中所有联系人信息
- 删除联系人：按照姓名进行删除指定联系人
- 查找联系人：按照姓名查看指定联系人信息
- 修改联系人：按照姓名重新修改指定联系人
- 清空联系人：清空通讯录中所有信息
- 退出通讯录：退出当前使用的通讯录
*/
// 功能菜单
void showMenu(){
cout << "******* 通讯录管理系统 *******\n" << endl;
cout << "\t1. 添加联系人" << endl;
cout << "\t2. 显示联系人" << endl;
cout << "\t3. 删除联系人" << endl;
cout << "\t4. 查找联系人" << endl;
cout << "\t5. 修改联系人" << endl;
cout << "\t6. 清空联系人" << endl;
cout << "\t0. 退出通讯录" << endl;
cout << "\n你想要: ";
}
// 定义单个联系人
struct person
{
string name;
string gender;
int age;
string phone;
string address;
};
// 定义通讯录
#define MAX 1000
struct Addressbooks
{
person addressArr[MAX];
int size;
};
// 检查名字
int checkName(Addressbooks * abs, string name)
{
for (int i = 0; i < abs->size; i++)
{
if (abs->addressArr[i].name == name)
{
return(1);
}
}
return(0);
}
// 功能 1 - 添加联系人
void addPerson(Addressbooks * abs)
{
// 检查通讯录是否已满
if (abs->size == MAX)
{
cout << "抱歉，通讯录已满，无法继续添加联系人！" << endl;
return;
}
// 检查待添加联系人是否已存在
string name;
cout << "姓名：";
cin >> name;
int check = checkName(abs, name);
if (check)
{
cout << endl;
cout << "抱歉，该联系人已存在，无法添加！\n\n";
system("pause");
system("cls");
return;
}
// 姓名
abs->addressArr[abs->size].name = name;
cout << endl;
// 性别
cout << "性别：";
string gender;
cin >> gender;
cout << endl;
abs->addressArr[abs->size].gender = gender;
// 年龄
cout << "年龄：";
int age;
cin >> age;
cout << endl;
abs->addressArr[abs->size].age = age;
// 联系电话
cout << "联系电话：";
string phone;
cin >> phone;
cout << endl;
abs->addressArr[abs->size].phone = phone;
// 家庭住址
cout << "家庭住址：";
string address;
cin >> address;
cout << endl;
abs->addressArr[abs->size].address = address;
// 信息确认/创建成功提示
cout << "联系人 " << name << " 创建成功：\n" << endl;
cout << "\t姓名：" << name << "\t性别：" << gender << "\t年龄：" << age;
cout << "\t电话：" << phone << "\t地址：" << address << "\n" << endl;
// 通讯录人数加一
abs->size++;
system("pause");
system("cls");
}
// 功能 2 - 打印通讯录
void printAddressBooks(Addressbooks *abs)
{
// 检查通讯录是否为空
if (!abs->size)
{
cout << "通讯录为空！\n" << endl;
system("pause");
system("cls");
return;
}
cout << "\n当前通讯录：\n" << endl;
for (int i = 0; i < abs->size; i++)
{
cout << "\t姓名：" << abs->addressArr[i].name;
cout << "\t性别：" << abs->addressArr[i].gender;
cout << "\t年龄：" << abs->addressArr[i].age;
cout << "\t电话：" << abs->addressArr[i].phone;
cout << "\t地址：" << abs->addressArr[i].address << "\n" << endl;
}
system("pause");
system("cls");
}
// 寻找联系人在通讯录里的位置
int findIdx(Addressbooks *abs, string name)
{
for (int i = 0; i < abs->size; i++)
{
if (abs->addressArr[i].name == name)
{
return(i);
}
}
}
// 功能 3 - 删除联系人
void deletePerson(Addressbooks *abs)
{
cout << "请输入想要删除的联系人姓名：";
string name;
cin >> name;
cout << "" << endl;
// 检查待删除联系人是否存在
int check = checkName(abs, name);
if (!check)
{
cout << "通讯录不存在该联系人，无法删除！\n" << endl;
system("pause");
system("cls");
return;
}
// 删除指定联系人
//int idx = findIdx(abs, name);
//for (int i = idx; i < abs->size - 1; i++)
//{
// abs->addressArr[i] = abs->addressArr[i + 1];
//}
// cout << "联系人 " << abs->addressArr[idx].name << " 已删除！\n" <<endl;
for (int i = 0; i < abs->size; i++)
{
if (abs->addressArr[i].name == name)
{
abs->addressArr[i] = abs->addressArr[i + 1];
cout << "联系人 " << name << " 已删除！\n" << endl;
}
}
// 通讯录人数减一
abs->size--;
system("pause");
system("cls");
}
// 功能 4 - 查找联系人
void findPerson(Addressbooks* abs)
{
cout << "请输入想要查找的联系人姓名：";
string name;
cin >> name;
cout << "" << endl;
// 检查待查找联系人是否存在
int check = checkName(abs, name);
if (!check)
{
cout << "通讯录不存在该联系人！\n" << endl;
system("pause");
system("cls");
return;
}
for (int i = 0; i < abs->size; i++)
{
if (abs->addressArr[i].name == name)
{
person tmp = abs->addressArr[i];
cout << "\t姓名：" << tmp.name << "\t性别：" << tmp.gender << "\t年龄：" << tmp.age;
cout << "\t电话：" << tmp.phone << "\t地址：" << tmp.address << "\n" << endl;
}
}
system("pause");
system("cls");
}
// 功能 5 - 修改联系人
void modifyPerson(Addressbooks* abs)
{
cout << "请输入想要修改的联系人姓名：";
string name;
cin >> name;
cout << "" << endl;
// 检查待修改联系人是否存在
int check = checkName(abs, name);
if (!check)
{
cout << "通讯录不存在该联系人，无法修改！\n" << endl;
system("pause");
system("cls");
return;
}
// 修改联系人
for (int i = 0; i < abs->size; i++)
{
if (abs->addressArr[i].name == name)
{
// 姓名
cout << "姓名：";
string name;
cin >> name;
cout << endl;
abs->addressArr[i].name = name;
// 性别
cout << "性别：";
string gender;
cin >> gender;
cout << endl;
abs->addressArr[i].gender = gender;
// 年龄
cout << "年龄：";
int age;
cin >> age;
cout << endl;
abs->addressArr[i].age = age;
// 联系电话
cout << "联系电话：";
string phone;
cin >> phone;
cout << endl;
abs->addressArr[i].phone = phone;
// 家庭住址
cout << "家庭住址：";
string address;
cin >> address;
cout << endl;
abs->addressArr[i].address = address;
// 信息确认/创建成功提示
cout << "联系人 " << name << " 修改成功：\n" << endl;
person tmp = abs->addressArr[i];
cout << "\t姓名：" << tmp.name << "\t性别：" << tmp.gender << "\t年龄：" << tmp.age;
cout << "\t电话：" << tmp.phone << "\t地址：" << tmp.address << "\n" << endl;
}
}
system("pause");
system("cls");
}
// 功能 6 - 清空联系人
void cleanPerson(Addressbooks* abs)
{
abs->size = 0;
cout << "通讯录已清空!\n" << endl;
system("pause");
system("cls");
}
// 主程序
int main()
{
//创建通讯录
Addressbooks abs;
//初始化通讯录中人数
abs.size = 0;
// 循环工作，使用while循环
while (1)
{
// 功能提示
showMenu();
int select;
cin >> select;
cout << endl;
// 七种可选功能，使用switch-case结构
switch (select)
{
case 1:
// cout << "添加联系人: " << endl;
addPerson(&abs);
break;
case 2:
// cout << "显示联系人: " << endl;
printAddressBooks(&abs);
break;
case 3:
// cout << "删除联系人: " << endl;
deletePerson(&abs);
break;
case 4:
// cout << "查找联系人: " << endl;
findPerson(&abs);
break;
case 5:
// cout << "修改联系人: " << endl;
modifyPerson(&abs);
break;
case 6:
// cout << "清空联系人: " << endl;
cleanPerson(&abs);
break;
case 0:
cout << "欢迎下次使用！ " << endl;
system("pause");
return 0;
break;
default:
cout << "请按提示输入！\n" << endl;
system("pause");
system("cls");
}
}
system("pause");
return 0;
}
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