博主根据最近学的C++基础语法做了一个通讯录管理系统,来和优快云的小伙伴分享一下。
主要功能如下:
接下来是代码部分:
//通讯录管理系统
#include<iostream>
#include<string>
using namespace std;
#define MAX 1000
//定义联系人的结构体:
struct Person {
string m_Name;//姓名
int m_Sex;//性别
int m_Age;//年龄
string m_Phone;//电话
string m_Addr;//住址
};
//定义通讯录结构体:
struct Addressbooks {
//创建一个联系人的结构体数组
struct Person personArray[MAX];
//当前通讯录中联系人的数量
int m_Size;
};
//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 << "***** 0、退出通讯录 ******" << endl;
}
//1、添加联系人功能
void addPerson(Addressbooks* abs) {
//判断通讯录是否已满,如果满了就不再添加联系人
if (abs->m_Size == MAX) {
cout << "通讯录已满,无法添加!" << endl;
return;
}
else {
//添加联系人
//添加姓名
string name;
cout << "请输入姓名:" << endl;
cin >> name;
abs->personArray[abs->m_Size].m_Name = name;
//添加性别
int sex;
while (true) {
cout << "请输入性别:(1、代表男 2、代表女)" << endl;
cin >> sex;
if (sex == 1 || sex == 2) {
abs->personArray[abs->m_Size].m_Sex = sex;
break;
}
else {
cout << "输入错误,请重新输入!" << endl;
}
}
//添加年龄
int age;
while (true) {
cout << "请输入年龄:" << endl;
cin >> age;
if (age > 0 && age < 150) {
abs->personArray[abs->m_Size].m_Age = age;
break;
}
else {
cout << "输入错误,请重新输入!" << endl;
}
}
//添加联系电话
string phone;
cout << "请输入电话:" << endl;
cin >> phone;
abs->personArray[abs->m_Size].m_Phone = phone;
//添加家庭住址
string addr;
cout << "请输入住址:" << endl;
cin >> addr;
abs->personArray[abs->m_Size].m_Addr = addr;
//更新通讯录中联系人的数量
abs->m_Size++;
cout << "添加成功!" << endl;
system("pause");//按任意键继续
system("cls");//清屏操作
}
}
//显示联系人
void showPerson(Addressbooks* abs) {
//判断通讯录中的人数是否为0,如果为0,则提示记录为空
//如果不为0,则显示联系人的信息
if (abs->m_Size == 0) {
cout << "您没有添加任何联系人,记录为空!" << endl;
}
else {
for (int i = 0; i < abs->m_Size; i++) {
cout << "姓名:" << abs->personArray[i].m_Name <<" ";
cout << "性别:" << (abs->personArray[i].m_Sex == 1?"男":"女") << " ";
cout << "年龄:" << abs->personArray[i].m_Age << " ";
cout << "电话:" << abs->personArray[i].m_Phone << " ";
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在数组中的具体位置,如果不存在返回-1
int isExist(Addressbooks* abs, string name) {
//判断通讯录中是否存在这个名字
for (int i = 0; i < abs->m_Size; i++) {
if (abs->personArray[i].m_Name == name) {
return i;//返回该联系人在数组中的位置
}
}
return -1;
}
//删除联系人
void deletePerson(Addressbooks* abs) {
cout << "请输入您要删除的联系人:" << endl;
string name;
cin >> name;
int ret = isExist(abs, name);
if (ret == -1) {
cout << "未查到该联系人!" << endl;
}
else {
//查到此人,进行删除操作,利用数据覆盖来删除
for (int i = ret; i < abs->m_Size; i++) {
abs->personArray[i] = abs->personArray[i + 1];
}
abs->m_Size--;
cout << "删除成功!" << endl;
}
system("pause");
system("cls");
}
//查找联系人
void findPerson(Addressbooks* abs) {
string name;
cout << "请输入您要查找的联系人:" << endl;
cin >> name;
//判断该联系人是否存在于通讯录中
int ret = isExist(abs, name);
if (ret != -1) {
cout << "姓名:" << abs->personArray[ret].m_Name << " ";
cout << "性别:" << abs->personArray[ret].m_Sex << " ";
cout << "年龄:" << abs->personArray[ret].m_Age << " ";
cout << "电话:" << abs->personArray[ret].m_Phone << " ";
cout << "地址:" << abs->personArray[ret].m_Addr << endl;
}
else {
cout << "未查到该联系人!" << endl;
}
system("pause");
system("cls");
}
//修改联系人
void modifyPerson(Addressbooks* abs) {
string name;
cout << "请输入您要修改的联系人:" << endl;
cin >> name;
//修改联系人也是要先判断该联系人是否存在于通讯录中
int ret = isExist(abs, name);
if (ret != -1) {
cout << "查询成功,请输入修改后的信息:" << endl;
cout << "请输入姓名:" << endl;
string name;
cin >> name;
abs->personArray[ret].m_Name = name;
cout << "请输入性别:(1、代表男 2、代表女):" << endl;
int sex;
while (true) {
cin >> sex;
if (sex == 1 || sex == 2) {
abs->personArray[ret].m_Sex = sex;
break;
}
else {
cout << "输入错误,请重新输入!" << endl;
}
}
cout << "请输入年龄:" << endl;
int age;
while (true) {
cin >> age;
if (age > 0 && age < 150) {
abs->personArray[ret].m_Age = age;
}
else {
cout << "输入错误,请重新输入!" << endl;
}
}
cout << "请输入电话:" << endl;
string phone;
cin >> phone;
abs->personArray[ret].m_Phone = phone;
cout << "请输入住址:" << endl;
string addr;
cin >> addr;
abs->personArray[ret].m_Addr = addr;
cout << "修改成功!" << endl;
}
else {
cout << "未查到该联系人!" << endl;
}
system("pause");
system("cls");
}
//清空联系人
void cleanPerson(Addressbooks* abs) {
abs->m_Size = 0;//将联系人当前数量置为0,做逻辑清空
cout << "联系人已经清空!" << endl;
system("pause");
system("cls");
}
int main() {
//创建通讯录的结构体变量
Addressbooks abs;
//初始化联系人的个数
abs.m_Size = 0;
while (true) {
showMenu();
int select = 0;
cin >> select;
switch (select) {
case 1://添加联系人
addPerson(&abs);//利用地址传递,可以修饰实参
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 6://清空联系人
cleanPerson(&abs);
break;
case 0://退出通讯录
cout << "欢迎下次使用!" << endl;
system("pause");
return 0;//出现了return 代表结束这个函数
break;
default:
cout << "您的输入有误,请重新输入" << endl;
break;
}
}
}
PS:清空功能要特殊注意,只是在逻辑上清除了通讯录里面的所有联系人,在物理存储上仍是存在的。