为什么最后退出不了
#include <stdio.h>#include <stdlib.h>
#include <string.h>
struct Date
{
int year;
int month;
int day;
};
typedef struct Infor
{
char name;
char gender;
int age;
char address;
char buytype;
char color;
long price;
struct Date date;
struct Infor *next;
}INFOR,*Pointer;
Pointer infor = NULL;
int login(void);
void Menushow(void);
void Add(Pointer *infor);
void Modify(Pointer *infor);
void Show(Pointer *infor);
void Search_name(Pointer *infor);
void Printuser(Pointer infor);
void Del(Pointer infor);
void Menushow(void)
{
int i;
do
{
printf("\n");
printf("|----1.增加购买电瓶车用户信息-----|\n");
printf("|----2.修改购买电瓶车用户信息-----|\n");
printf("|----3.显示购买电瓶车用户信息-----|\n");
printf("|----4.查询用户信息---------------|\n");
printf("|----5.删除用户信息---------------|\n");
printf("|----6.退出系统------------------|\n");
printf("\n");
printf("请输入你选择的编号:");
scanf("%d",&i);
switch(i)
{
case 1:system("cls");
Add(&infor);break;
case 2:system("cls");
Modify(&infor);break;
case 3:system("cls");
Show(&infor);break;
case 4:system("cls");
Search_name(&infor);break;
case 5:system("cls");
Del(infor);break;
case 6:Quit();break;
}
}while(i >=1 && i <=10);
}
void Add(Pointer *infor)
{
Pointer p;
static Pointer tail;
char ch;
do{
p = (Pointer)malloc(sizeof(INFOR));
if(p == NULL)
{
printf("内存分配失败\n");
exit(1);
}
printf("请输入姓名:");
scanf("%s",p->name );
printf("请输入性别(男/女):");
scanf("%s",p->gender );
printf("请输入年龄:");
scanf("%d",&p->age);
printf("请输入地址:");
scanf("%s",p->address );
printf("请输入购品牌和型号:");
scanf("%s",p->buytype );
printf("请输入购买的颜色:");
scanf("%s",p->color );
printf("请输入价格:");
scanf("%ld",&p->price );
printf("请输入购买时间:(yyyy-mm-dd):");
scanf("%d-%d-%d",&p->date.year,&p->date.month ,&p->date.day);
getchar();
printf("请问是否需要继续插入用户信息(Y/N):");
ch = getchar();
if((*infor )!= NULL)
{
tail->next = p;
p->next = NULL;
}
else
{
(*infor )= p;
p->next = NULL;
}
tail = p;
}while(ch == 'Y'||ch=='y');
}
void Modify(Pointer *infor)
{
Pointer p = *infor;
int flag = 0;
char sename;
getchar();
printf("请输入你要修改的用户名字:");
gets(sename);
if(p == NULL)
{
printf("并未存在任何数据，不能进行修改!!");
return ;
}
while(p != NULL)
{
if(!strcmp(p->name,sename))
{
flag = 0;
break;
}
else
{
flag = 1;
p = p->next;
}
}
if(flag)
{
printf("并未查询到该用户的信息T_T\n");
}
else
{
printf("请输入修改后的信息:\n");
printf("请输入姓名:");
scanf("%s",p->name );
printf("请输入性别(男/女):");
scanf("%s",p->gender );
printf("请输入年龄:");
scanf("%d",&p->age);
printf("请输入地址:");
scanf("%s",p->address );
printf("请输入购品牌和型号:");
scanf("%s",p->buytype );
printf("请输入购买的颜色:");
scanf("%s",p->color );
printf("请输入价格:");
scanf("%ld",&p->price );
printf("请输入购买时间:(yyyy-mm-dd):");
scanf("%d-%d-%d",&p->date.year,&p->date.month,&p->date.day);
}
}
void Show(Pointer *infor)
{
Pointer p = *infor;
if(p == NULL)
{
printf("\n暂时还未存入数据!!\n");
printf("显示失败!!\n\n");
}
else
{
while(p != NULL)
{
printf("\n姓名:%s\n",p->name);
printf("性别:%s\n",p->gender );
printf("年龄:%d\n",p->age );
printf("地址:%s\n",p->address );
printf("购买品牌型号:%s\n",p->buytype );
printf("颜色:%s\n",p->color );
printf("价格:%ld\n",p->price );
printf("购买时间:%d-%d-%d\n\n",p->date.year ,p->date.month ,p->date.day);
p = p->next ;
}
}
}
void Search_name(Pointer *infor)
{
Pointer p = *infor;
char sename;
getchar();
printf("请输入你要查询的用户信息:");
gets(sename);
while(p != NULL)
{
if(!strcmp(sename,p->name))
{
Printuser(p);
break;
}
else{
p = p->next;
}
}
}
void Printuser(Pointer infor)
{
Pointer p = infor;
printf("姓名:%s\n",p->name );
printf("性别:%s\n",p->gender );
printf("年龄:%d\n",p->age );
printf("地址:%s\n",p->address );
printf("购买品牌型号:%s\n",p->buytype );
printf("颜色:%s\n",p->color );
printf("价格:%.2f\n",(float)p->price );
printf("购买时间:%d-%d-%d\n",p->date.year ,p->date.month ,p->date.day);
}
void Del(Pointer infor)
{
Pointer previous,current;
getchar();
current = infor;
previous = NULL;
char delname;
printf("请输入你要删除的用户姓名:");
gets(delname);
while(strcmp(delname,current->name) && current != NULL)
{
previous = current;
current = current->next ;
}
if(current == NULL)
{
printf("并未找到该用户的信息");
return ;
}
else
{
if(previous == NULL)
{
infor = current->next ;
}
else
{
previous->next = current->next ;
}
printf("删除成功");
free(current);
}
}
int main(void)
{
Menushow();
return 0;
}
请问有Quit()这个函数？ a327904410 发表于 2022-6-15 17:47
请问有Quit()这个函数？
没有
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