一级标题面向过程程序设计–通讯录管理系统struct应用
通讯录管理系统
面向过程思想
功能实现:
1.通讯录中可存1000人信息,信息包括联系人姓名,性别,年龄,电话,住址
2.可对联系人进行删除,查找,修改信息操作
3.可直接清空所有联系人
4.退出系统
代码如下:
#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 1.男 2.女
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
{
//通讯录中保存联系人数组
struct Person personArry[MAX];
//通讯录中当前记录联系人个数
int m_Size;
};
//添加联系人
void addPerson(Addressbooks *abs)
{
//判断是否已满,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->personArry[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;//输入1,2可以退出循环,因为输入正确,如果输入有误,重新输入
if (sex == 1 || sex == 2)
{
abs->personArry[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->personArry[abs->m_Size].m_Age = age;
//电话、
cout << "请输入电话" << endl;
string phone;
cin >> phone;
abs->personArry[abs->m_Size].m_Phone = phone;
//地址
cout << "请输入家庭住址" << endl;
string address;
cin >> address;
abs->personArry[abs->m_Size].m_Addr = address;
//更新通讯录人数
abs->m_Size++;
cout << "添加成功" << endl;
system("pause");
system("cls");
}
}
//显示所有联系人
void showPerson(Addressbooks * abs)
{
//判断通讯录中人数是否为零,如果为零,提示记录为零
if (abs->m_Size == 0)
{
cout << "当前记录为零" << endl;
}
else
{
for (int i = 0; i < abs->m_Size; i++)
{
cout << "姓名:" << abs->personArry[i].m_Name << "\t";
cout << "性别:" << (abs->personArry[i].m_Sex==1?"男":"女" )<< "\t";
cout << "年龄:" << abs->personArry[i].m_Age << "\t";
cout << "电话:" << abs->personArry[i].m_Phone << "\t";
cout << "住址:" << abs->personArry[i].m_Addr << endl;
}
}
system("pause");
system("cls");
}
//查找联系人是否存在, 如果存在,返回联系人所在数组的位置,不存在返回-1
int isExist(Addressbooks* abs,string name)
{
for (int i = 0; i < abs->m_Size; i++)
{
//找到用户输入的姓名
if (abs->personArry[i].m_Name == name)
{
return i;//找到,返回这个人数组下表位置
}
}
return -1;//如果遍历结束未找到,返回-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)
{
//查找到此人
for (int i = ret; i < abs->m_Size; i++)
{
abs->personArry[i] = abs->personArry[i + 1];
}
abs->m_Size--;//更新通讯录中人数
cout << "删除成功!" << endl;
}
else
{
cout << "查找失败!" << endl;
}
system("pause");
system("cls");
}
//查找指定联系人
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);//这里不传引用因为在改该函数体中 abs已经为地址,大家可以传一下地址试一下看一下vs2019的报错就明白了
if (ret != -1)
{
cout << "姓名:" << abs->personArry[ret].m_Name << "\t";
cout << "性别:" << (abs->personArry[ret].m_Sex == 1 ? "男" : "女") << "\t";
cout << "年龄:" << abs->personArry[ret].m_Age << "\t";
cout << "电话:" << abs->personArry[ret].m_Phone << "\t";
cout << "住址:" << abs->personArry[ret].m_Addr << endl;
}
else
{
cout << "未找到该联系人!" << endl;
}
system("pause");
system("cls");
}
//修改联系人信息
void modifyPerson(Addressbooks *abs)
{
cout << "请输入您要修改的联系人:" << endl;
string name;
cin >> name;
int ret = isExist(abs, name);//这里不传引用因为在改该函数体中 abs已经为地址,大家可以传一下地址试一下看一下vs2019的报错就明白了
if (ret != -1)
{
//姓名
cout << "请输入姓名:" << endl;
string name;
cin >> name;
abs->personArry[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->personArry[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;
cin >> age;
abs->personArry[ret].m_Age = age;
//电话
string phone;
cout << "请输入电话:" << endl;
cin >> phone;
abs->personArry[ret].m_Phone = phone;
//住址
cout << "请输入家庭住址:" << endl;
string address;
cin >> address;
abs->personArry[ret].m_Addr = address;
cout << "修改成功!" << endl;
}
else
{
cout << "查无此人!" << endl;
}
system("pause");
system("cls");
}
//显示菜单
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;
cout << "**********************" << endl;
}
//清空联系人
void clearPerson(Addressbooks* abs)
{
abs->m_Size = 0;//将当前记录联系人数量置为0,做逻辑操作
cout << "清空成功!" << 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;
int select = 0;//用户选择的变量
while (true)
{
//菜单调用
showMenu();
cin >> select;
switch (select)
{
case 1: //添加联系人
addPerson(&abs);//利用地址传递,可以修改实参
break;
case 2://.显示联系人
showPerson(&abs);
break;
case 3://删除联系人
/*{
* 测试代码
cout << "请输入删除联系人的姓名: " << endl;
string name;
cin >> name;
if (isExist(&abs, name) == -1)
{
cout << "查无此人!" << endl;
}
else
{
cout << "找到了" << endl;
}
}*/
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
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;
}
}
system("pause");
return 0;
}
运行效果
输入不同数字可进行操作
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