Fendi fitness
# include & ltstdio.h & gt

# include & ltstring.h & gt

# include & ltstdlib.h & gt

# Definition number 10

Structure library {

int num

char book _ name[30];

A character writer [30];

char sort _ num[3];

char pub _ company[30];

char pub _ time[30];

char price[30];

};

Typedef structure library LIB/* The definition of structure is used to store books and borrow books */

LIB LIB[N];

FILE * fpint all = 0;

Int menu (void);

Void input (void);

Void output (void);

Void save (void);

Void del (invalid);

Void search (void);

Void;

Master ()

{

for(; ; )

{

Switch (menu ()) {

Case1:input (); Break;

Case 2: output (); Break;

Case 3: save (); Break;

Case 4: Search (); Break;

Case 5: Modification (); Break;

Case 6: del (); Break;

Case 7: sort (); Break;

Case 0: Export (1); Break;

}/* Switch defines function output */

}

}

Int menu (invalid)

{

char m[3];

int n; Printf ("* * * * * * * * * * * * * * * * Welcome * * * * * * * * * * * * * * * * \ n \ n \ n");

Printf(" \ t \ t- book information management system-\ n ");

printf(" \ t \ t 1:input \ n ");

printf(" \ t \ T2:output \ n ");

printf(" \ t \ T3:save \ n ");

printf(" \ t \ T4:find \ n ");

printf(" \ t \ t5:modify \ n ");

printf(" \ t \ T6:delete \ n ");

printf(" \ t \ T7:statistics \ n ");

printf(" \ t \ t0:exit \ n ");

Printf ("\ t \ tPlease select an operation (0-6): \ n");

scanf("%s ",m);

n = atoi(m);

Return (n);

}/* Main interface */

Invalid input (invalid)

{

int I;

char m[3];

for(I = all; I & ltn;; i++)

{

all++;

Printf ("Please enter information: \ n");

Printf ("\ t \ tNo .. :\ n ");

scanf("%d ",& amplib[i]。 num);

printf(" \ t \ t title:\ n ");

scanf("%s ",lib[i].book _ name);

printf(" \ t \ t author:\ n ");

Scanf("%s ",lib[i]. Writer);

printf(" \ t \ t sort _ num:\ n ");

Scanf("%s ",lib[i]. sort _ number);

printf(" \ t \ tPublisher:\ n ");

scanf("%s ",lib[i].pub _ company);

Printf ("\ t \ tPublication date: \ n");

scanf("%s ",lib[i].pub _ time);

printf(" \ t \ t price:\ n ");

scanf("%s ",lib[i].prise);

A: printf("\t\tyes/ oh? \ n ");

printf(" \ t \ t 1:yes \ n ");

printf(" \ t \ T2:no \ n ");

scanf("%s ",m);

if(atoi(m)== 1)

Continue;

else if(atoi(m)==2)

Return;

other

{

Printf ("\ t \ tError! \ n ");

Go to a;

}/* Enter search criteria */

}

}

Invalid output (invalid)

{

int I;

for(I = 0; I < all; i++)

{

printf("\t\t%d\n ",lib[i]。 num);

printf("%s\t\t%s\t\t%s\n ",lib[i]。 book_name,lib[i]。 Writer, lib[i] Sort _ number);

printf("%s\t\t%s\t\t%s\n ",lib[i]。 pub_company,lib[i]。 pub_time,lib[i]。 prise);

}

}/* output the title, author, publication time, price, etc. */

Invalid save (invalid)

{

int I;

if((fp=fopen("file.c "," wb"))==NULL)

{

Printf ("Cannot open file");

Exit (1);

}

for(I = 0; I < all; i++)

{

if(fwrite(& amp; lib[i],sizeof(LIB), 1,fp)! = 1)

{

Printf ("Can't write!" );

Exit (1);

}

}/* Refuse to store if the conditions are not met */

fclose(FP);

}

Invalid search (void)

{

int i,flag

char m[3];

char name[30];

Printf ("\ t \ tPlease select your storage method: \ n");

Printf("\t\t 1: press the title! \ n ");

Printf("\t\t2: By author! \ n ");

scanf("%s ",m);

I = atoi(m);

Switch (1)

{

Case 1:{

Printf ("\ t \ tPlease enter a title: \ n");

Scanf("%s ",name);

flag = 0;

for(I = 0; I & ltn;; i++)

{

if(strcmp(name,lib[i].book_name)==0)

{

printf("\t\t%d\n ",lib[i]。 num);

printf("%s\t\t%s\t\t%s\n ",lib[i]。 book_name,lib[i]。 Writer, lib[i] Sort _ number);

printf("%s\t\t%s\t\t%s\n ",lib[i]。 pub_company,lib[i]。 pub_time,lib[i]。 prise);

flag = 1; Break;

}

}

If (flag ==0)

Printf ("\ t \ tThere is no such book! \ n ");

}

Case 2:{

Printf ("\ t \ tPlease enter the author: \ n");

Scanf("%s ",name);

flag = 0;

for(I = 0; I & ltn;; i++)

{

if(strcmp(name,lib[i].writer)==0)

{

printf("\t\t%d\n ",lib[i]。 num);

printf("%s\t\t%s\t\t%s\n ",lib[i]。 book_name,lib[i]。 Writer, lib[i] Sort _ number);

printf("%s\t\t%s\t\t%s\n ",lib[i]。 pub_company,lib[i]。 pub_time,lib[i]。 prise);

flag = 1; Break;

}

}

If (flag ==0)

Printf ("\ t \ tThere is no such author! \ n ");

}

}/* Find books by title or author and output */

}

Void (void)

{

int i,flag

char name[30],n[3];

Printf ("\ t \ tPlease enter a title to modify: \ n");

Scanf("%s ",name); /* Modify the title of the book */

flag = 0;

for(I = 0; I & ltn;; i++)

{

if(strcmp(name,lib[i].book_name)==0)

{

printf("\t\t%d\n ",lib[i]。 num);

printf("%s\t\t%s\t\t%s\n ",lib[i]。 book_name,lib[i]。 Writer, lib[i] Sort _ number);

printf("%s\t\t%s\t\t%s\n ",lib[i]。 pub_company,lib[i]。 pub_time,lib[i]。 prise);

Printf ("\ t \ tPlease enter the modified information: \ n");

printf(" \ t \ tnum:\ n ");

scanf("%d ",& amplib[i]。 num);

printf(" \ t \ t book _ name:\ n ");

scanf("%s ",lib[i].book _ name);

printf(" \ t \ t writer:\ n ");

Scanf("%s ",lib[i]. Writer);

printf(" \ t \ t sort _ num:\ n ");

Scanf("%s ",lib[i]. sort _ number);

printf(" \ t \ tpub _ company:\ n ");

scanf("%s ",lib[i].pub _ company);

printf(" \ t \ tpub _ time:\ n ");

scanf("%s ",lib[i].pub _ time);

printf(" \ t \ t price:\ n ");

scanf("%s ",lib[i].prise);

flag = 1; Break;

}

}/* Add books */

If (flag ==0)

Printf ("\ t \ tNot found! \ n ");

}

Void del (invalid)

{

int i,j,flag

char name[30];

Printf ("\ t \ tPlease enter a title to delete: \ n");

Scanf("%s ",name);

flag = 0;

for(I = 0; I & ltn;; i++)

{

if(strcmp(name,lib[i].book_name)==0)

{

printf("\t\t%d\n ",lib[i]。 num);

printf("%s\t\t%s\t\t%s\n ",lib[i]。 book_name,lib[i]。 Writer, lib[i] Sort _ number);

printf("%s\t\t%s\t\t%s\n ",lib[i]。 pub_company,lib[i]。 pub_time,lib[i]。 prise);

for(j = N; J> me; j -)

{

lib[j- 1]。 num=lib[j]。 num

strcpy(lib[j- 1])。 book_name,lib[j]。 book _ name);

strcpy(lib[j- 1])。 Author, lib[j]. Writer);

strcpy(lib[j- 1])。 sort_num,lib[j]。 Sort _ number);

strcpy(lib[j- 1])。 Publishing company, library [j]. pub _ company);

strcpy(lib[j- 1])。 pub_time,lib[j]。 pub _ time);

strcpy(lib[j- 1])。 prise,lib[j]。 prise);

flag = 1;

Printf ("\ t \ tIt has been deleted! \ n ");

Break;

}

}

}

If (flag ==0)

Printf ("\ t \ tThere is no such book! \ n ");

}/* Delete books */