c++ address book management system
1. C++ address book management system
#include<iostream>
using namespace std;
#include<string>
#define MAX 1000
//设计联系人的结构体
struct Person
{
//姓名
string m_Name;
//性别
int m_Sex;
//年龄
int m_Age;
//电话
string m_Phone;
//住址
string m_Addr;
};
//设计通讯录的结构体
struct Addressbooks {
//通讯录中保存的联系人数组
struct Person personArray[MAX];
//通讯录中当前记录联系人的个数
int m_Size;
};
//1、添加联系人
void addPerson(Addressbooks* abs) {
//判断通讯录是否已满，如果满了就不在添加
if (abs->m_Size == MAX) {
cout << "通讯录已满，无法添加！" << endl;
return;
}
else {
//没有满
//添加具体联系人
// 姓名
string name;
cout << "输入姓名:" << endl;
cin >> name;
abs->personArray[abs->m_Size].m_Name = name;
//性别
cout << "请输入性别:" << endl;
cout << "1------->男" << endl;
cout << "2------->女" << endl;
int sex = 0;
while (true) {
cin >> sex;
if (sex == 1 || sex == 2) {
abs->personArray[abs->m_Size].m_Sex = sex;
break;
}
cout << "输入有误，请重新输入" << endl;
}
// 年龄
cout << "请输入年龄:" << endl;
int age = 0;
cin >> age;
abs->personArray[abs->m_Size].m_Addr = age;
//电话
cout << "请输入电话:" << endl;
string phone;
cin >> phone;
abs->personArray[abs->m_Size].m_Phone = phone;
//住址
cout << "请输入家庭住址:" << 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
}
}
// 2、显示所有联系人
void showPerson(Addressbooks* abs) {
//判断当前通讯录人员人数是否为0，如果为0，则显示为空
//如果不为0，则显示记录的联系人的信息
if (abs->m_Size == 0) {
cout << "当前记录为空" << 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");//按任意键继续
system("cls");
}
//3、检测联系人是否存在，如果存在就返回在数组中具体位置，如果不存在就返回-1
int isExist(Addressbooks* abs, string name) {
for (int i = 0; i < abs->m_Size; i++) {
//找到用户输入姓名
if (abs->personArray[i].m_Name == name) {
return i;//找到就返回下标
}
}
return -1;//没有找到就返回-1；
}
//3、删除指定联系人
void deletePerson(Addressbooks* abs) {
cout << "删除联系人" << endl;
string name;
cin >> name;
//ret==-1 未查到
//ret!=-1 查到了
int ret = isExist(abs, name);
if (ret != -1) {
//查到此人，进行删除操作
for (int i = ret; i < abs->m_Size; i++) {
//数据前移动
abs->personArray[i] = abs->personArray[i + 1];
}
abs->m_Size--;//更新通讯录中人员数
cout << "删除成功" << endl;
}
else {
cout << "查无此人" << endl;
}
system("pause");
system("cls");
}
//4、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;
//判断指定联系人是否在通讯录中
int ret = isExist(abs, name);
if (ret != -1) {
//找到联系人
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_Addr << "\t";
cout << "电话:" << abs->personArray[ret].m_Phone << "\t";
cout << "住址:" << abs->personArray[ret].m_Addr << endl;
}
else {
cout << "查无此人" << endl;
}
system("pause");
system("cls");
}
//5、修改联系人
void modifyPerson(Addressbooks* abs) {
cout << "修改联系人" << endl;
string name;
cin >> name;
int ret = isExist(abs, name);
if (ret != -1) {
//找到指定联系人
//修改姓名
string name;
cout << "修改姓名:" << endl;
cin >> name;
abs->personArray[ret].m_Name = name;
//性别
cout << "请输入性别:" << endl;
cout << "1----男" << endl;
cout << "2----女" << endl;
int sex = 0;
while (true) {
//直到输入正确退出循环
cin >> sex;
if (sex == 1 || sex == 2) {
abs->personArray[ret].m_Sex = sex;
break;
}
cout << "输入有误" << endl;
}
//年龄
cout << "请输入年龄" << endl;
int age = 0;
cin >> age;
abs->personArray[ret].m_Age = age;
//电话
cout << "请输入电话" << endl;
string phone;
cin >> phone;
abs->personArray[ret].m_Phone = phone;
//住址
cout << "请输入家庭住址" << endl;
string address;
cin >> address;
abs->personArray[ret].m_Addr = address;//重新写入字典
cout << "修改成功" << endl;
}
else {
cout << "查无此人" << endl;
}
//按任意键清屏
system("pause");
system("cls");
}
//6、清空所有联系人
// 只要把数字设置为0,逻辑上访问不到即可，不必全部删除
void clearPerson(Addressbooks* abs) {
abs->m_Size = 0;//记录人数量设置为0
cout << "通讯录已经清空" << endl;
//按键后清屏
system("pause");
system("cls");
}
//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()
{
//创建通讯录中结构体变量
Addressbooks abs;
//初始化通讯录中当前人员个数
abs.m_Size = 0;
int select = 0;
while (true) {
//菜单调用
showMenu();
cin >> select;
switch (select)
{
case 1://添加
addPerson(&abs);//地址传递，地址传递可以修饰形参
break;
case 2://显示
showPerson(&abs);//abs是通讯录
break;
case 3://删除
deletePerson(&abs);
break;
case 4://查找
findPerson(&abs);
break;
case 5://修改
modifyPerson(&abs);
break;
case 6://清空
clearPerson(&abs);
break;
case 0://退出通讯录
cout << "欢迎下次使用" << endl;
system("pause");
return 0;
break;
default:
break;
}
}
//showMenu();
system("pause");
return 0;
}
2. Result output interface
