#includeif(strcmp(book[i].name,ch)==0)
{
strcpy(book[i].name,book[i+1].name);
book->time.year=0; book->time.month=0; book->time.day=0;
strcpy(book[i].cbs,book[i+1].cbs);
booknum--;
}
}
}
void inquire(struct BOOK *book,int booknum)//查询书籍
{
char ch;
while((ch=getchar())!='p')
{
char ch[25];
printf("请输入查询的书名：\n");
scanf("%s",ch);
for(int i=0;iif(strcmp(book[i].name,ch)==0)
{
printf("\t此书编号\t\t书名\t\t出版日期\t\t出版社\t\n\n");
print(&book[i],i);//传参到输出函数print
//break;
}
else printf("查无此书！\n");break;
}
printf("输入p停止查询,否则继续查询...\n");
}
select();
}
void add(struct BOOK *book,int booknum)//添加书籍
{
char ch;
while((ch=getchar())!='p')
{
booknum++;
printf("这是第%d本书\n",booknum);
printf("请输入书名：\n");
scanf("%s",book->name);
printf("请输入出版日期(年月日)：\n");
scanf("%d%d%d",&(book->time.year),&(book->time.month),&(book->time.day));
printf("请输入出版社：\n");
scanf("%s",book->cbs);
printf("====添加完成！====\n");
printf("输入p停止添加\n");
}
select();
}
void print(struct BOOK *book,int i)
{
printf("\t%d\t\t%s\t\t",i,book->name);
printf("%d-%d-%d",book->time.year,book->time.month,book->time.day);
printf("\t\t%s\t\n",book->cbs);
}
void select()//选择操作
{
int code;
printf("-----------------------------------------------------------------------------------------------------------------------\n\n");
printf("\t\t\t1.录入书籍\t\t2.查询书籍\n\n\t\t\t3.删除书籍\t\t4.结束程序\t\t5.打印所有书籍信息\n\n");
printf("-----------------------------------------------------------------------------------------------------------------------\n");
printf("\t 请选择模式：");
scanf("%d",&code);//输入非数字将陷入死循环
printf("\n\n");
switch(code)
{
case 1:add(book,booknum); break;
case 2:inquire(book,booknum);break;
case 3:delet(book); break;
case 4:exit(0); break;
case 5:printall(book); break;
default:printf("请重新输入选项！！！\n");break;
}
select();
}
void printall(struct BOOK *book)
{
printf("\t此书编号\t\t书名\t\t出版日期\t\t出版社\t\n\n");
for(int j=0;jprint(&book[j],j);
}
printf("====所有书籍信息打印完毕！====\n");
select();
}
int main()
{
printf("请选择操作：\n");
select();
return 0;
}
修改完善如下，改动处见注释，供参考：
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
int booknum = 0;
struct TIME {
int year;
int month;
int day;
};
struct BOOK {
char name[50];
struct TIME time;
char cbs[250];
}book[100]; //*book = NULL;//定义book指针并赋值为空 修改
//void inquire(struct BOOK* book, int booknum);//查询书籍 //修改
//void add(struct BOOK* book, int booknum);//添加书籍 //修改
//void delet(struct BOOK* book);//删除书籍
//void print(struct BOOK* book, int i);//打印书籍
//void select();//菜单选项
//void printall(struct BOOK* book); //打印所有书籍信息
void print(struct BOOK* book, int i)
{
printf("\t%d\t%s\t", i, book->name);
printf("%d-%d-%d", book->time.year, book->time.month, book->time.day);
printf("\t%s\n", book->cbs);
}
void delet(struct BOOK* book)
{
int flg = 1; //修改
char ch[50];
printf("请输入书名：\n");
scanf("%s", ch);
for (int i = 0; i < booknum; i++)
{
if (strcmp(book[i].name, ch) == 0)
{
for (int j = i; j < booknum - 1; j++) //修改
book[j] = book[j + 1]; //修改
//strcpy(book[i].name, book[i + 1].name); //修改
//book->time.year = 0; book->time.month = 0; book->time.day = 0;//修改
//strcpy(book[i].cbs, book[i + 1].cbs); //修改
i--; //修改
booknum--; //修改
flg = 0; //修改
printf("删除成功！\n"); //修改
}
}
if (flg) //修改
printf("未找到相关记录！\n");
}
void inquire(struct BOOK* book)//查询书籍 void inquire(struct BOOK* book, int booknum) 修改
{
char ch;
do{ //修改
char name[50]; //char ch[25]; 修改
printf("请输入查询的书名：\n");
scanf("%s", name); // scanf("%s", ch); 修改
for (int i = 0; i < booknum; i++)
{
if (strcmp(book[i].name, name) == 0) //strcmp(book[i].name, ch
{
printf("\t此书编号\t书名\t出版日期\t出版社\n\n");
print(&book[i], i);//传参到输出函数print
break;
}
//else printf("查无此书！\n"); break;
if (i == booknum - 1) //修改
printf("查无此书！\n");
}
printf("输入p停止查询,否则继续查询...\n");
getchar(); //修改
}while ((ch = getchar()) != 'p'); //修改
//select(); 修改
}
void add(struct BOOK* book)//添加书籍 修改 void add(struct BOOK* book, int booknum)
{
int i = booknum; //修改
char ch;
do{ //修改
printf("这是第%d本书\n", i + 1);
printf("请输入书名：\n");
scanf("%s", book[i].name);
printf("请输入出版日期(年月日)：\n");
scanf("%d%d%d", &book[i].time.year, &book[i].time.month, &book[i].time.day);
printf("请输入出版社：\n");
scanf("%s", book[i].cbs);
i++;
printf("====添加完成！====\n");
printf("输入p停止添加\n");
getchar(); //修改
} while ((ch = getchar()) != 'p');//修改
booknum = i; //修改
//select(); //修改
}
void printall(struct BOOK* book)
{
printf("\t此书编号\t书名\t出版日期\t出版社\n\n");
for (int j = 0; j < booknum; j++)
{
print(&book[j], j);
}
printf("====所有书籍信息打印完毕！====\n");
//select(); //修改
}
void select()//选择操作
{
int code;
printf("-------------------------------------------------------------------------------------------\n\n"); //修改
printf("\t\t\t1.录入书籍\t2.查询书籍\n\n\t\t\t3.删除书籍\t4.结束程序\n\n\t\t\t5.打印所有书籍信息\n\n"); //修改
printf("-------------------------------------------------------------------------------------------\n"); //修改
printf("\t 请选择模式：");
scanf("%d", &code);//输入非数字将陷入死循环
printf("\n\n");
switch (code)
{
case 1:add(book); break; //add(book, booknum); //修改
case 2:inquire(book); break; //inquire(book, booknum);//修改
case 3:delet(book); break;
case 4:exit(0); break;
case 5:printall(book); break;
default:printf("请重新输入选项！！！\n"); break;
}
select();
}
int main()
{
printf("请选择操作：\n");
select();
return 0;
}
具体什么错误，贴图出来吧