为何最后在控制台无论输入几都会显示操作错误，把操作错误的代码删除后在输入数字就会一直闪屏，刚开始学代码的大一新生，求解答，谢谢
#include<stdio.h>#include<string.h>
#include<stdlib.h>
//using namespace std;
#define max 100//最大联系人数量
struct people//联系人结构体
{
char name;//姓名
char company;//工作单位
char phone;//电话
char e_mail;//邮箱
};
struct addressbook//通讯录结构体
{
struct people arr[max];//联系人数组
int size;//联系人数量
};
void menu()//菜单功能
{
printf ( "*******************\n") ;
printf ( "= 1.增加联系人 =\n") ;
printf ("= 2.删除联系人 =\n") ;
printf ( "= 3.修改联系人 =\n");
printf ( "= 4.查找联系人 =\n");
printf ( "= 5.显示联系人 =\n");
printf ( "= 6.退出通讯录 =\n");
printf ( "####################" );
}
void addpeople(addressbook* wit)//增加联系人功能
{
if (wit->size == max)//判断联系人数量
{
printf( "联系人已满，请删除一些后再来\n");
return;
}
else
{
char NAME = '\0';
printf( "请输入姓名\n");
scanf_s("NAME");
wit->arr[wit->size].name = NAME;
char COMPANY = '\0';
printf( "请输入工作单位\n");
scanf_s(" COMPANY");
wit->arr[wit->size].company = COMPANY;
char PHONE = 0;
printf( "请输入电话\n");
scanf_s( "PHONE\n");
wit->arr[wit->size].phone = PHONE;
char E_MAIL = '\0';
printf(" 请输入邮箱\n");
scanf_s(" E_MAIL");
wit->arr[wit->size].e_mail = E_MAIL;
}
wit->size++;
printf( "添加成功\n");
system ("pause");
}
void deletepeople(addressbook* wit, int a)//删除联系人功能
{
for (int i = a; i < wit->size; i++)
{
wit->arr[i].name = wit->arr[i + 1].name;
wit->arr[i].company = wit->arr[i + 1].company;
wit->arr[i].phone = wit->arr[i + 1].phone;
wit->arr[i].e_mail = wit->arr[i + 1].e_mail;
}
}
void changepeople(addressbook* wit, int a)
{
char NAME = '\0';
printf( "请输入姓名\n");
scanf_s(" NAME");
wit->arr[a].name = NAME;
char COMPANY = '\0';
printf( "请输入工作单位\n");
scanf_s(" COMPANY");
wit->arr[a].company = COMPANY;
char PHONE = '\0';
printf( "请输入电话\n");
scanf_s(" PHONE");
wit->arr[a].phone = PHONE;
char E_MAIL = '\0';
printf( "请输入邮箱\n");
scanf_s(" E_MAIL");
wit->arr[a].e_mail = E_MAIL;
printf("联系人已修改！\n");
}
int findpeople(addressbook* wit, char name)//查找联系人功能
{
for (int i = 0; i < wit->size; i++)
{
if (name == wit->arr[i].name)
{
return i;
}
}
return -1;
}
void showpeople(addressbook* wit)//显示联系人功能
{
if (wit->size == 0)
{
printf( "目前通讯录为空\n");
}
else
{
for (int i = 0; i < wit->size; i++)
{
printf ( " 姓名: wit->arr[i].name\t" );
printf(" 工作单位： wit->arr[i].company \t");
printf("电话： wit->arr[i].phone \t");
printf("邮箱： wit->arr[i].e_mail \t");
printf("\t");
}
}
system("pause");
return;
}
int main()
{
struct addressbook wit;
wit.size = 0;
int choice = 0;
while (true)
{
menu();
scanf_s("choice");
switch (choice)
{
case 1://增加
{
addpeople(&wit);
break;
}
case 2://删除
{
if (wit.size == 0)
{
scanf_s("目前通讯录为空\n");
}
else
{
char name = '\0';
printf("请输入您要删除的姓名:");
scanf_s(" name");
int a = findpeople(&wit, name);
if (a > -1)
{
deletepeople(&wit, a);
}
else
{
printf( "查无此人\n");
}
}
system("pause");
break;
}
case 3://修改
{
if (wit.size == 0)
{
printf( "目前通讯录为空\n");
}
else
{
char name = '\0';
printf( "请输入您要修改的姓名:");
scanf_s("name");
int a = findpeople(&wit, name);
if (a > -1)
{
changepeople(&wit, a);
}
else
{
printf( "查无此人\n" );
}
}
system("pause");
break;
}
case 4://查找
{
if (wit.size == 0)
{
printf( "目前通讯录为空\n");
}
else
{
char Name = '\0';
printf( "请输入您要查找的姓名:");
scanf_s(" Name");
int a = findpeople(&wit, Name);
if (a > -1)
{
printf( "姓名：wit.arr[a].name \t");
printf ("工作单位： wit.arr[a].company \t");
printf( "电话： wit.arr[a].phone \t");
printf( "邮箱： wit.arr[a].e_mail \t");
printf(" endl");
}
else
{
printf( "查无此人\n");
}
}
system("pause");
break;
}
case 5://显示
{
showpeople(&wit);
break;
}
case 6://退出
{
printf( "您已退出通讯录\n");
system("pause");
return 0;
break;
}
default:
{
printf ( "操作错误\n" );
system("pause");
break;
}
}
system("cls");
}
}
