void data_user_read_file(struct user *show_user)
{
FILE *fp;
int i;
if((fp=fopen("user_data.dat","rb"))==NULL)
{
fp=fopen("user_data.dat","wb+");
printf("Can not open the oid_data_file,It's a new_data_file!\n");
Sleep(3000);
}
void data_user_write_file(struct user *show_user)
{
FILE *fp;
int i;
if((fp=fopen("user_data.dat","wb"))==NULL)
{
printf("Can not open the file\n");
exit(0);
}