复习简单操作,实现一个非常非常简单的通讯录管理小程序
#include <iostream>
using namespace std;
#include <string>
constexpr auto MAX = 1000; //通讯录最大人数;
//设计联系人结构体
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
};
//设计通讯录结构体
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个数
int m_Size;
};
//1、添加联系人
void addPerson(Addressbooks *abs){
//判断通讯录是否已满,满了则不再添加
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
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_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;
//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"); //清屏功能
}
}
//2、显示联系人
void showPerson(Addressbooks *abs) {
//判断通讯录中人数是否为0
if (abs->m_Size == 0) {
cout << "当前记录为空" << endl;
}
//不为0时,显示联系人信息
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");
}
//3、删除联系人
/*检测联系人是否存在*/
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;
}
/*删除指定联系人*/
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) {
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;
}
else {
cout << "查无此人" << endl;
}
system("pause"); //请按任意键继续
system("cls"); //清屏功能
}
//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;
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 == 1 ? "男" : "女") << "\t";
cout << "年龄:" << abs->personArray[ret].m_Age << "\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"); //请按任意键继续
system("cls"); //清屏功能
}
//5、修改联系人
void modefyPerson(Addressbooks *abs) {
cout << "请输入您要修改的联系人:" << 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=0;
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 << "输入有误,请重新输入" << endl;
}
//年龄
cout << "请输入年龄:" << endl;
int age = 0;
cin >> age;
abs->personArray[ret].m_Age = age;
//电话
cout << "请输入联系电话:" << 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;
}
else {
cout << "查无此人" << endl;
}
system("pause"); //请按任意键继续
system("cls"); //清屏功能
}
//6、清空联系人
void cleanPerson(Addressbooks *abs) {
abs->m_Size = 0; //静态内存在进程结束时自动释放,无需其他操作
cout << "通讯录已清空" << endl;
system("pause"); //请按任意键继续
system("cls"); //清屏功能
}
//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()
{
//创建通讯录的结构体变量
Addressbooks abs;
//初始化通讯录中当前人员个数
abs.m_Size = 0;
int select = 0; //创建用户选择输入的变量
while (true)
{
//菜单调用
showMenu();
cin >> select;
switch (select)
{
case 1: //1、添加联系人
addPerson(&abs); //利用地址传递通过修改形参来修改实参
break;
case 2: //2、显示联系人
showPerson(&abs);
break;
case 3: //3、删除联系人
deletePerson(&abs);
break;
case 4: //4、查找联系人
findPerson(&abs);
break;
case 5: //5、修改联系人
modefyPerson(&abs);
break;
case 6: //6、清空联系人
break;
case 0: //0、退出通讯录
cout << "欢迎下次使用" << endl;
system("pause");
return 0;
break;
default:
break;
}
}
system("pause");
return 0;
}