系统需求
通讯录是一个可以记录亲人、好友信息的工具
本教程主要利用C++来实现一个通讯录管理系统
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信息
- 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
编译工具:visual studio 2013
开发语言:c++
题材来源:IT黑马教程
#include <iostream>
#include <string>
using namespace std;
//1. 菜单
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 << "***** 7、退出通讯录 *****" << endl;
cout << "*************************" << endl;
}
//设计联系人结构体
struct Person
{
string m_Name;
int m_Sex;
int m_Age;
string m_Phone;
string m_Addr;
};
//设计通讯录结构体
//#define MAX 1000 //最大人数
const int MAX = 1000;
struct Addressbooks
{
struct Person personArray[MAX];
int m_Size = NULL;
};
//添加联系人
void addPerson(Addressbooks * abs)
{
//判断通讯录是否已满,如果满了就不再添加
if (abs->m_Size == MAX)
{
cout << "通讯录已满,无法添加!" << endl;
return;
}
else
{
//添加具体联系人
//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 ;
cout << "请输入性别: " << endl;
cout << "1 --- 男" << endl;
cout << "2 --- 女" << endl;
while (true)
{
// 判断输入性别是否符合要求,否则一直循环输入
cin >> sex;
if (sex == 1 || sex == 2)
{
abs->personArray[abs->m_Size].m_Sex = sex;
break;
}
else
{
cout << "性别输入有误,请重新输入!" << endl;
}
}
//年龄
cout << "请输入年龄: " << endl;
int age ;
cin >> age;
abs->personArray[abs->m_Size].m_Age = age;
//电话
cout << "请输入联系电话: " << endl;
string phone;
cin >> phone;
abs->personArray[abs->m_Size].m_Phone = phone;
//地址
cout << "请输入地址: " << endl;
string address ;
cin >> address;
abs->personArray[abs->m_Size].m_Addr = address;
//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
}
//显示所有联系人
void showPerson(Addressbooks * abs)
{
if (abs->m_Size == 0)
{
cout << "通讯录为空!" << 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");
}
//检测联系人是否存在,如果存在,返回联系人所在数组中的具体位置,不存在返回-1
//参数1 通讯录 参数2 对比姓名
int isExist(Addressbooks * abs, string name)
{
for (int i = 0; i < abs->m_Size; i++)
{
if (abs->personArray[i].m_Name == name)
{
return i;
}
}
return -1; //如果遍历结束都没有找到,则返回-1;
}
//删除指定的联系人
void deletePerson(Addressbooks * abs)
{
cout << "请输入要删除的联系人姓名" << endl;
string name;
cin >> name;
int ret = isExist(abs, name);
if (ret != -1)
{
//查找到人,要进行删除操作
for (int i = ret; i < abs->m_Size; i++)
{
//数据前移覆盖
abs->personArray[i] = abs->personArray[i + 1];
}
abs->m_Size--; //更新通讯录中的人员数
cout << "删除成功" << endl;
}
else
{
cout << "查无此人" << endl;
}
system("pause");
system("cls");
}
//查找联系人
void findPerson(Addressbooks * abs)
{
cout << "请输入您要查找的联系人" << endl;
string name;
cin >> name;
//判断指定的联系人是否存在通讯录中
int ret = isExist(abs, name);
if (ret != -1)
{
cout << "姓名:" << abs->personArray[ret].m_Name << "\t";
cout << "性别:" << abs->personArray[ret].m_Sex << "\t";
cout << "年龄:" << abs->personArray[ret].m_Age << "\t";
cout << "电话:" << abs->personArray[ret].m_Phone << "\t";
cout << "地址:" << abs->personArray[ret].m_Addr << endl;
}
else
{
cout << "查无此人" << endl;
}
system("pause");
system("cls");
}
//修改指定联系人信息
void modifyPerson(Addressbooks * abs)
{
cout << "请输入要修改的联系人姓名" << endl;
string name;
cin >> name;
int ret = isExist(abs,name);
if (ret != -1)
{
//姓名
string name;
cout << "请输入姓名: " << endl;
cin >> name;
abs->personArray[ret].m_Name = name;
//性别
int sex;
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[ret].m_Sex = sex;
break;
}
cout << "输入有无,请重新输入" << endl;
}
//年龄
cout << "请输入年龄:" << endl;
int age;
cin >> age;
abs->personArray[ret].m_Age = age;
//电话
cout << "请输入联系电话:" << endl;
int phone;
cin >> phone;
abs->personArray[ret].m_Phone = phone;
//地址
cout << "请输入地址:" << endl;
string address;
cin >> address;
abs->personArray[ret].m_Addr = address;
cout << "修改成功!" << endl;
}
else
{
cout << "查无此人" << endl;
}
system("pause");
system("cls");
}
//清空联系人
void cleanPerson(Addressbooks * abs)
{
abs->m_Size = 0;
cout << "通讯录已清空"<< endl;
system("pause");
system("cls");
}
int main()
{
//创建通讯录结构体变量
Addressbooks abs;
//初始化通讯录中当前人员个数
abs.m_Size = 0;
//创建用户选择输入的变量
int select = 0;
//使程序一直循环
while (true)
{
//菜单调用
showMenu();
//接收键盘输入的值
cin >> select;
//根据输入的值,做出相应的操作
switch (select)
{
case 1 :
addPerson(&abs); // 利用地址传递可以修改实参
break;
case 2 :
showPerson(&abs); //显示联系人
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;
system("pause");
return 0;
break;
default:
break;
}
}
system("pause");
return 0;
}