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test/daima

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
//ͼ<><CDBC><EFBFBD>洢<EFBFBD>ṹ
struct book{
int id;//ͼ<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
char name[20];//ͼ<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
char author[20];//ͼ<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
float price;//ͼ<><CDBC><EFBFBD>۸<EFBFBD>
struct book *next; // ָ<><D6B8><EFBFBD><EFBFBD>һͼ<D2BB><CDBC>
}*books;
///////////////////
// <20>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3> //
// ϵͳ<CFB5><CDB3>ʼ<EFBFBD><CABC>,<2C><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD>ڴ<EFBFBD>
void init();
// <20><>ʾ<EFBFBD><CABE><EFBFBD>˵<EFBFBD>
void display_menu();
// ѡ<><D1A1><EFBFBD>˵<EFBFBD><CBB5><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>Ĺ<EFBFBD><C4B9>ܺ<EFBFBD><DCBA><EFBFBD>
void make_choice();
// ȷ<>ϲ<EFBFBD><CFB2><EFBFBD>
void confirm();
// <20>˳<EFBFBD>ϵͳ,<2C>ͷ<EFBFBD><CDB7>ڴ<EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD><DDB5>ļ<EFBFBD>
void quit();
///////////////////
// <20><><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD>ģ<EFBFBD><C4A3> //
// <20><><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD>ݵ<EFBFBD><DDB5>ڴ<EFBFBD>
void read_data();
// <20><><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD>ݵ<EFBFBD><DDB5>ļ<EFBFBD>
void save_data();
// <20><>ӡͼ<D3A1><CDBC><EFBFBD><EFBFBD>Ϣ
void print_data();
// <20><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD><EFBFBD>Ų<EFBFBD>ѯͼ<D1AF><CDBC><EFBFBD><EFBFBD>Ϣ
book *find(int id);
// <20><>ѯͼ<D1AF><CDBC><EFBFBD><EFBFBD>Ϣ
void query_data();
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>Ϣ
void add_data();
// <20><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>Ϣ
void update_data();
// ɾ<><C9BE>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>Ϣ
void delete_data();
// <20><>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void sort_data();
// <20><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void make_chart();
/////////////
int main()
{
display_menu();
make_choice();
return 0;
}
// <20>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3> //
// ϵͳ<CFB5><CDB3>ʼ<EFBFBD><CABC>,<2C><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD>ڴ<EFBFBD>
void init()
{
read_data();
}
// <20><>ʾ<EFBFBD><CABE><EFBFBD>˵<EFBFBD>
void display_menu()
{
printf("*************************\n");
printf("***** ͼ<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ *****\n");
printf("*************************\n");
printf("1. <20><>ӡͼ<D3A1><CDBC><EFBFBD><EFBFBD>Ϣ\n");
printf("2. <20><>ѯͼ<D1AF><CDBC><EFBFBD><EFBFBD>Ϣ\n");
printf("3. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC>\n");
printf("4. <20><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>Ϣ\n");
printf("5. ɾ<><C9BE>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>Ϣ\n");
printf("6. <20><>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n");
printf("7. <20><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n");
printf("0. <20>˳<EFBFBD>ϵͳ\n");
printf("<22><>ѡ<EFBFBD><D1A1>:");
}
// ѡ<><D1A1><EFBFBD>˵<EFBFBD><CBB5><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>Ĺ<EFBFBD><C4B9>ܺ<EFBFBD><DCBA><EFBFBD>
void make_choice()
{
int choice;
scanf("%d", &choice);
confirm();
switch(choice)
{
case 1:
print_data(); // <20><>ӡͼ<D3A1><CDBC><EFBFBD><EFBFBD>Ϣ
break;
case 2:
query_data(); // <20><>ѯͼ<D1AF><CDBC><EFBFBD><EFBFBD>Ϣ
break;
case 3:
add_data(); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC>
break;
case 4:
update_data();// <20><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>Ϣ
break;
case 5:
delete_data();// ɾ<><C9BE>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>Ϣ
break;
case 6:
sort_data(); // <20><>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
break;
case 7:
make_chart(); // <20><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
break;
case 0:
quit(); // <20>˳<EFBFBD>ϵͳ
break;
default:
printf("<22><>Чѡ<D0A7><D1A1>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><D1A1>:");
break;
}
}
// ȷ<>ϲ<EFBFBD><CFB2><EFBFBD>
void confirm()
{
char choice;
printf("<22><>ȷ<EFBFBD><C8B7>Ҫִ<D2AA>иò<D0B8><C3B2><EFBFBD><EFBFBD><EFBFBD>?(Y/N):");
scanf(" %c", &choice);
if(choice == 'Y' || choice == 'y')
{
printf("<22><><EFBFBD><EFBFBD><EFBFBD>ɹ<EFBFBD>ִ<EFBFBD><D6B4>!\n");
}
else if(choice == 'N' || choice == 'n')
{
printf("<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1>!\n");
}
else
{
printf("<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(Y/N):");
confirm(); // <20>ݹ<EFBFBD><DDB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD>
}
}
// <20>˳<EFBFBD>ϵͳ,<2C>ͷ<EFBFBD><CDB7>ڴ<EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD><DDB5>ļ<EFBFBD>
void quit()
{
char choice;
printf("<22><>ȷ<EFBFBD><C8B7>Ҫ<EFBFBD>˳<EFBFBD>ϵͳ<CFB5><CDB3>?(Y/N):");
scanf(" %c", &choice);
if(choice == 'Y' || choice == 'y')
{
save_data(); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD><DDB5>ļ<EFBFBD>
printf("<22><><EFBFBD><EFBFBD><EFBFBD>ѱ<EFBFBD><D1B1><EFBFBD>,ϵͳ<CFB5>˳<EFBFBD>!\n");
exit(0); // <20>˳<EFBFBD>ϵͳ
}
else if(choice == 'N' || choice == 'n')
{
printf("<22>˳<EFBFBD><CBB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1>!\n");
}
else
{
printf("<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(Y/N):");
quit(); // <20>ݹ<EFBFBD><DDB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD>
}
}
// <20><><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD>ģ<EFBFBD><C4A3>//
// <20><><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD>ݵ<EFBFBD><DDB5>ڴ<EFBFBD>
void read_data()
{
FILE *fp;
struct book *head, *p;
if((fp = fopen("books.dat", "rb")) == NULL)
{
printf("<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>ʧ<EFBFBD><CAA7>!\n");
exit(0);
}
head = NULL;
while(!feof(fp))
{
p = (struct book*)malloc(sizeof(struct book));
fread(p, sizeof(struct book), 1, fp);
p->next = head;
head = p;
}
fclose(fp); // <20>ر<EFBFBD><D8B1>ļ<EFBFBD>
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷָ<CDB7><D6B8><EFBFBD><EFBFBD>Ϊȫ<CEAA>ֱ<EFBFBD><D6B1><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>
books = head;
}
// <20><><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD>ݵ<EFBFBD><DDB5>ļ<EFBFBD>
void save_data()
{
FILE *fp;
struct book *p;
if((fp = fopen("books.dat", "wb")) == NULL)
{
printf("<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>ʧ<EFBFBD><CAA7>!\n");
exit(0);
}
p = books; // <20><>ȫ<EFBFBD><C8AB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7>ʼ
while(p != NULL)
{
fwrite(p, sizeof(struct book), 1, fp);
p = p->next;
}
fclose(fp);
}
// <20><>ӡͼ<D3A1><CDBC><EFBFBD><EFBFBD>Ϣ
void print_data()
{
struct book *p;
p = books; // <20><>ȫ<EFBFBD><C8AB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7>ʼ
while(p != NULL)
{
printf("ͼ<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:%d\n", p->id);
printf("ͼ<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:%s\n", p->name);
printf("ͼ<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:%s\n", p->author);
printf("ͼ<><CDBC><EFBFBD>۸<EFBFBD>:%.2f\n", p->price);
printf("----------------------\n");
p = p->next;
}
}
// <20><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD><EFBFBD>Ų<EFBFBD>ѯͼ<D1AF><CDBC><EFBFBD><EFBFBD>Ϣ
book *find(int id)
{
struct book *p;
p = books; // <20><>ȫ<EFBFBD><C8AB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7>ʼ
while(p != NULL)
{
if(p->id == id)
return p; // <20><><EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD><D2B5><EFBFBD>ͼ<EFBFBD><CDBC>ָ<EFBFBD><D6B8>
p = p->next;
}
return NULL; // δ<>ҵ<EFBFBD><D2B5><EFBFBD><EFBFBD>ؿ<EFBFBD>ָ<EFBFBD><D6B8> *p;
}
// <20><>ѯͼ<D1AF><CDBC><EFBFBD><EFBFBD>Ϣ
void query_data()
{
int id;
struct book *p;
printf("<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA>ѯ<EFBFBD><D1AF>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:");
scanf("%d", &id);
p = find(id); // <20><><EFBFBD>ұ<EFBFBD><D2B1><EFBFBD>Ϊid<69><64>ͼ<EFBFBD><CDBC>
if(p != NULL)
{
printf("ͼ<><CDBC><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD>:\n");
printf("ͼ<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:%d\n", p->id);
printf("ͼ<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:%s\n", p->name);
printf("ͼ<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:%s\n", p->author);
printf("ͼ<><CDBC><EFBFBD>۸<EFBFBD>:%.2f\n", p->price);
}
else
{
printf("û<><C3BB><EFBFBD>ҵ<EFBFBD><D2B5><EFBFBD><EFBFBD><EFBFBD>Ϊ%d<><64>ͼ<EFBFBD><CDBC>!\n", id);
}
}
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>Ϣ
void add_data()
{
struct book *p, *q;
p = (struct book*)malloc(sizeof(struct book));
printf("<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>Ϣ:\n");
printf("ͼ<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:");
scanf("%d", &p->id);
printf("ͼ<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:");
scanf("%s", p->name);
printf("ͼ<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:");
scanf("%s", p->author);
printf("ͼ<><CDBC><EFBFBD>۸<EFBFBD>:");
scanf("%f", &p->price);
q = books;
while(q != NULL && p->id > q->id)
q = q->next;
p->next = q; // ָ<><D6B8><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>ڵ<EFBFBD>
books = p; // <20>½ڵ<C2BD><DAB5><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>ͷ
printf("ͼ<><CDBC><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD>ӳɹ<D3B3>!\n");
}
// <20><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>Ϣ
void update_data()
{
int id;
struct book *p;
printf("<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>޸ĵ<DEB8>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:");
scanf("%d", &id);
p = find(id); // <20><><EFBFBD>ұ<EFBFBD><D2B1><EFBFBD>Ϊid<69><64>ͼ<EFBFBD><CDBC>
if(p != NULL)
{
printf("<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>޸ĺ<DEB8><C4BA><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>Ϣ:\n");
printf("ͼ<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:");
scanf("%s", p->name);
printf("ͼ<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:");
scanf("%s", p->author);
printf("ͼ<><CDBC><EFBFBD>۸<EFBFBD>:");
scanf("%f", &p->price);
printf("ͼ<><CDBC><EFBFBD><EFBFBD>Ϣ<EFBFBD>޸ijɹ<C4B3>!\n");
}
else
{
printf("û<><C3BB><EFBFBD>ҵ<EFBFBD><D2B5><EFBFBD><EFBFBD><EFBFBD>Ϊ%d<><64>ͼ<EFBFBD><CDBC>!\n", id);
}
}
// ɾ<><C9BE>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>Ϣ
void delete_data()
{
int id;
struct book *p, *q;
printf("<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫɾ<D2AA><C9BE><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:");
scanf("%d", &id);
p = books;
q = NULL;
while(p != NULL && p->id != id)
{
q = p;
p = p->next;
}
if(p != NULL) // <20>ҵ<EFBFBD><D2B5>ýڵ<C3BD>
{
if(q == NULL) // <20><>һ<EFBFBD><D2BB><EFBFBD>ڵ<EFBFBD>
books = p->next;
else
q->next = p->next;
free(p);
printf("ͼ<><CDBC><EFBFBD><EFBFBD>Ϣɾ<CFA2><C9BE><EFBFBD>ɹ<EFBFBD>!\n");
}
else
{
printf("û<><C3BB><EFBFBD>ҵ<EFBFBD><D2B5><EFBFBD><EFBFBD><EFBFBD>Ϊ%d<><64>ͼ<EFBFBD><CDBC>!\n", id);
}
}
// <20><>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void sort_data()
{
struct book *p, *q; // <20><><EFBFBD>ڵ<EFBFBD>ָ<EFBFBD><D6B8>
struct book temp; // <20><>ʱͼ<CAB1><CDBC><EFBFBD>ṹ<EFBFBD><E1B9B9>
p = books;
while(p != NULL)
{
q = p->next;
while(q != NULL)
{
if(p->id > q->id) // <20><><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>
{
temp = *p;
*p = *q;
*q = temp;
}
q = q->next;
}
p = p->next;
}
printf("ͼ<><CDBC><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD>ɹ<EFBFBD>!\n");
}
// <20><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void make_chart()
{
struct book *p;
char name[20];
int i, n;
float price;
printf("<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD>ɵ<EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:");
scanf("%d", &n);
for(i=1; i<=n; i++)
{
p = (struct book*)malloc(sizeof(struct book));
sprintf(name, "ͼ<><CDBC>%d", i); // <20><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
p->id = i; // ͼ<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
strcpy(p->name, name); // ͼ<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
strcpy(p->author, "<22><><EFBFBD><EFBFBD>"); // <20><><EFBFBD><EFBFBD>
price = (i+1)*10.0; // <20>۸<EFBFBD>
p->price = price; // ͼ<><CDBC><EFBFBD>۸<EFBFBD>
p->next = books; // <20>½ڵ<C2BD>ָ<EFBFBD><D6B8>ԭ<EFBFBD><D4AD><EFBFBD><EFBFBD>ͷ
books = p; // <20>½ڵ<C2BD><DAB5><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>ͷ
}
printf("<22><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD>ɳɹ<C9B3>!\n");
}