printf("-------------------------------------------------------------------------------");switch(choice)
{
case 0:
writeData();
freeAll();
exit(0);
case 1:
record();
break;
case 2:
displayAll();
break;
case 3:
query();
break;
case 4:
del();
break;
case 5:
change();
break;
default:
printf("\n无效选项!");
break;
}
}
while(choice != 0);
}