问题一:在查找的时候,先不添加联系人,然后随便输入一个人名去查找,总是显示查找成功;但是添加人名后,再去查找一个不存在的人名,他就正确输出
问题二:添加联系人的时候,性别输入的时候,输入字母,死循环
下边是代码:
#include<iostream>
using namespace std;
#include<string>
#define MAX 1000
//封装一个显示目录函数
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、退出联系人 *****" << endl;
cout << "*****************************" << endl;
}
//创建联系人结构体
struct person
{
string m_name;
int m_sex;
int m_age;
string m_phone;
string m_address;
};
//创建通讯录结构体
struct addressbook
{
//保存联系人的数组
struct person personarr[MAX];
//当前联系人个数
int m_size;
};
//添加联系人
void addperson(addressbook * abs)
{
//先判断通讯录人员是否已满
if (abs->m_size == MAX) {
cout << "通讯录人员已满,请删除后继续操作!" << endl;
return;
}
else
{
string name;
cout << "请输入姓名:";
cin >> name;
abs->personarr[abs->m_size].m_name = name;
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->personarr[abs->m_size].m_sex = sex;
break;
}
else
{
cout << "输入有误,请重新输入" << endl;
}
}
int age;
cout << "请输入年龄:" << endl;
cin >> age;
abs->personarr[abs->m_size].m_age = age;
string phone;
cout << "请输入手机号:" << endl;
cin >> phone;
//int plength; 判断手机号是否正确
abs->personarr[abs->m_size].m_phone = phone;
string address;
cout << "请输入住址" << endl;
cin >> address;
abs->personarr[abs->m_size].m_address = address;
//更新一下通讯录人数
abs->m_size++;
cout << "添加成功" << endl;
system("pause");//请按任意键继续
system("cls");//清屏操作
}
};
//显示联系人
void showperson(addressbook * abs)
{
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->personarr[i].m_name << "\t";
cout << "性别:" << (abs->personarr[i].m_sex == 1 ? "男":"女") << "\t";
cout << "年龄:" << abs->personarr[i].m_age << "\t";
cout << "电话:" << abs->personarr[i].m_phone << "\t";
cout << "住址:" << abs->personarr[i].m_address << endl;
}
}
system("pause");
system("cls");
}
//检测联系人是否存在,如果存在返回数组中具体位置,不存在返回-1
//参数1 通讯录 参数2 对比姓名
int isexist(addressbook * abs, string name)
{
for (int i = 0; i < abs->m_size; i++)
{
if (abs->personarr[i].m_name == name)
{
// cout << abs->personarr[i].m_name << endl;
//如果输入的姓名和通讯录中的姓名一样。返回通讯录中姓名的下标。
cout << "检查函数中,存在这个姓名" << endl;
return i;
}
else
{
//如果没有返回-1
cout << "检查函数中,不存在这个姓名。" << endl;
return -1;
}
}
}
//删除联系人
void deleteperson (addressbook * abs)
{
cout << "请输入要删除的姓名:" << endl;
string name;
cin >> name;
int ret = isexist(abs, name);
if (ret != -1)
{
for (int i = ret; i < abs->m_size; i++)
{
abs->personarr[i] = abs->personarr[i + 1];
}
abs->m_size--;
cout << "找到此人!" << endl;
cout << "删除成功" << endl;
}
else
{
//int ret = isexist(abs, name);
cout << "查无此人!" << endl;
}
system("pause");
system("cls");
}
//查找联系人
void findperson(addressbook * abs)
{
cout << "请输入您要查找的联系人:" << endl;
string name;
cin >> name;
//判断联系人是否存在
int ret = isexist(abs, name);
//cout <<"这是ret" << ret << endl;
if (ret != -1)
{
cout << "姓名:" << abs->personarr[ret].m_name << "\t";
cout << "性别:" << (abs->personarr[ret].m_sex == 1 ? "男" : "女") << "\t";
cout << "年龄:" << abs->personarr[ret].m_age << "\t";
cout << "手机:" << abs->personarr[ret].m_phone << "\t";
cout << "地址:" << abs->personarr[ret].m_address << endl;
}
else
{
cout << "查无此人" << endl;
}
system("pause");
system("cls");
}
//修改指定联系人信息
void modifyperson(addressbook * abs)
{
cout << "请输入您要修改的联系人姓名:" << endl;
string name;
cin >> name;
int ret = isexist(abs, name);
if (ret != -1)
{
string name;
cout << "找到此人,请根据提示修改。" << endl;
cout << "重新输入姓名" << endl;
cin >> name;
abs->personarr[ret].m_name = name;
cout << "重新输入性别:" << endl;
cout << "1---男" << endl;
cout << "2---女" << endl;
int sex;
cin >> sex;
abs->personarr[ret].m_sex = sex;
cout << "请重新输入年龄:" << endl;
int age;
while (true)
{
cin >> age;
if (sex == 1 || sex == 2) {
abs->personarr[ret].m_age = age;
break;
}
else
{
cout << "输入有误,请输入有效数值!" << endl;
}
}
cout << "重新输入电话" << endl;
string phone;
cin >> phone;
abs->personarr[ret].m_phone = phone;
cout << "重新输入地址" << endl;
string address;
cin >> address;
abs->personarr[ret].m_address = address;
cout << "修改成功" << endl;
system("pause");
system("cls");
}
}
//清空联系人信息
void cleanperson(addressbook * abs)
{
abs->m_size = 0;
cout << "通讯录已经清空" << endl;
system("pause");
system("cls");
}
int main() {
int select;
//创建通讯录结构体变量
addressbook abs;
//初始化通讯录当前人员个数
abs.m_size = 0;
while (true)
{
//菜单调用
showMenu();
//选择菜单
cout << "请输入您需要的操作:" << endl;
cin >> select;
switch (select)
{
case 1://1、添加联系人
addperson(&abs);
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
modifyperson(&abs);
break;
case 6:// 6、清空联系人
cleanperson(&abs);
break;
default://0、退出联系人
cout << "欢迎下次使用" << endl;
system("pause");
break;
}
}
system("pause");
return 0;
}
问题二:添加联系人的时候,性别输入的时候,输入字母,死循环
下边是代码:
#include<iostream>
using namespace std;
#include<string>
#define MAX 1000
//封装一个显示目录函数
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、退出联系人 *****" << endl;
cout << "*****************************" << endl;
}
//创建联系人结构体
struct person
{
string m_name;
int m_sex;
int m_age;
string m_phone;
string m_address;
};
//创建通讯录结构体
struct addressbook
{
//保存联系人的数组
struct person personarr[MAX];
//当前联系人个数
int m_size;
};
//添加联系人
void addperson(addressbook * abs)
{
//先判断通讯录人员是否已满
if (abs->m_size == MAX) {
cout << "通讯录人员已满,请删除后继续操作!" << endl;
return;
}
else
{
string name;
cout << "请输入姓名:";
cin >> name;
abs->personarr[abs->m_size].m_name = name;
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->personarr[abs->m_size].m_sex = sex;
break;
}
else
{
cout << "输入有误,请重新输入" << endl;
}
}
int age;
cout << "请输入年龄:" << endl;
cin >> age;
abs->personarr[abs->m_size].m_age = age;
string phone;
cout << "请输入手机号:" << endl;
cin >> phone;
//int plength; 判断手机号是否正确
abs->personarr[abs->m_size].m_phone = phone;
string address;
cout << "请输入住址" << endl;
cin >> address;
abs->personarr[abs->m_size].m_address = address;
//更新一下通讯录人数
abs->m_size++;
cout << "添加成功" << endl;
system("pause");//请按任意键继续
system("cls");//清屏操作
}
};
//显示联系人
void showperson(addressbook * abs)
{
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->personarr[i].m_name << "\t";
cout << "性别:" << (abs->personarr[i].m_sex == 1 ? "男":"女") << "\t";
cout << "年龄:" << abs->personarr[i].m_age << "\t";
cout << "电话:" << abs->personarr[i].m_phone << "\t";
cout << "住址:" << abs->personarr[i].m_address << endl;
}
}
system("pause");
system("cls");
}
//检测联系人是否存在,如果存在返回数组中具体位置,不存在返回-1
//参数1 通讯录 参数2 对比姓名
int isexist(addressbook * abs, string name)
{
for (int i = 0; i < abs->m_size; i++)
{
if (abs->personarr[i].m_name == name)
{
// cout << abs->personarr[i].m_name << endl;
//如果输入的姓名和通讯录中的姓名一样。返回通讯录中姓名的下标。
cout << "检查函数中,存在这个姓名" << endl;
return i;
}
else
{
//如果没有返回-1
cout << "检查函数中,不存在这个姓名。" << endl;
return -1;
}
}
}
//删除联系人
void deleteperson (addressbook * abs)
{
cout << "请输入要删除的姓名:" << endl;
string name;
cin >> name;
int ret = isexist(abs, name);
if (ret != -1)
{
for (int i = ret; i < abs->m_size; i++)
{
abs->personarr[i] = abs->personarr[i + 1];
}
abs->m_size--;
cout << "找到此人!" << endl;
cout << "删除成功" << endl;
}
else
{
//int ret = isexist(abs, name);
cout << "查无此人!" << endl;
}
system("pause");
system("cls");
}
//查找联系人
void findperson(addressbook * abs)
{
cout << "请输入您要查找的联系人:" << endl;
string name;
cin >> name;
//判断联系人是否存在
int ret = isexist(abs, name);
//cout <<"这是ret" << ret << endl;
if (ret != -1)
{
cout << "姓名:" << abs->personarr[ret].m_name << "\t";
cout << "性别:" << (abs->personarr[ret].m_sex == 1 ? "男" : "女") << "\t";
cout << "年龄:" << abs->personarr[ret].m_age << "\t";
cout << "手机:" << abs->personarr[ret].m_phone << "\t";
cout << "地址:" << abs->personarr[ret].m_address << endl;
}
else
{
cout << "查无此人" << endl;
}
system("pause");
system("cls");
}
//修改指定联系人信息
void modifyperson(addressbook * abs)
{
cout << "请输入您要修改的联系人姓名:" << endl;
string name;
cin >> name;
int ret = isexist(abs, name);
if (ret != -1)
{
string name;
cout << "找到此人,请根据提示修改。" << endl;
cout << "重新输入姓名" << endl;
cin >> name;
abs->personarr[ret].m_name = name;
cout << "重新输入性别:" << endl;
cout << "1---男" << endl;
cout << "2---女" << endl;
int sex;
cin >> sex;
abs->personarr[ret].m_sex = sex;
cout << "请重新输入年龄:" << endl;
int age;
while (true)
{
cin >> age;
if (sex == 1 || sex == 2) {
abs->personarr[ret].m_age = age;
break;
}
else
{
cout << "输入有误,请输入有效数值!" << endl;
}
}
cout << "重新输入电话" << endl;
string phone;
cin >> phone;
abs->personarr[ret].m_phone = phone;
cout << "重新输入地址" << endl;
string address;
cin >> address;
abs->personarr[ret].m_address = address;
cout << "修改成功" << endl;
system("pause");
system("cls");
}
}
//清空联系人信息
void cleanperson(addressbook * abs)
{
abs->m_size = 0;
cout << "通讯录已经清空" << endl;
system("pause");
system("cls");
}
int main() {
int select;
//创建通讯录结构体变量
addressbook abs;
//初始化通讯录当前人员个数
abs.m_size = 0;
while (true)
{
//菜单调用
showMenu();
//选择菜单
cout << "请输入您需要的操作:" << endl;
cin >> select;
switch (select)
{
case 1://1、添加联系人
addperson(&abs);
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
modifyperson(&abs);
break;
case 6:// 6、清空联系人
cleanperson(&abs);
break;
default://0、退出联系人
cout << "欢迎下次使用" << endl;
system("pause");
break;
}
}
system("pause");
return 0;
}