要求：
职工信息包括职1工号，2姓名，3性别，4年龄，5学历，6工资，7住址，8电话等（职工号不相等）。试设计一职工信息管理系统，使之能够提供下列功能：
（1）系统以菜单方式工作
（2）职工信息录入功能（职工信息用文件保存）
（3）职工信息浏览功能
（4）职工信息查询功能，查询方式：
1）按学历查询
2）按职工号查询
（5）职工信息删除，修改功能（可选项）。
(一个都不能少的,记得写上注解啊.简单点都可以....)
补充：急求！！！写的好就采纳，最好在这周日之前，另，不要问其它的，概不回答。。。。。答案：#include<stdio.h>
#include<conio.h>
#include<dos.h>
#include<string.h>
#include<stdlib.h>#define up 0x4800
#define down 0x5000
#define enter 0x1c0d
#define esc 0x11b
#define y 0x1579
#define n 0x316etypedef struct data
{
char kind[2]; /*中图法分类号*/
char booknum[16]; /*图书编号*/
char bookname[20]; /*书名*/
char authorname[10][20]; /*作者*/
int an; /*作者数*/
char publish[20]; /*出版社*/
char bdate[16]; /*出版日期*/
int sparenum; /*馆藏数*/
int lendnum; /*借阅数*/
}Base_info;typedef struct data1
{
Base_info base;
struct data1 *next;
}BASE;typedef struct data2 /*以后加数据*/
{
char stuname[20]; /*借阅学生*/
long stunum; /*学生号*/
char lbookname[20]; /*书名*/
int anum; /*作者数*/
char lauthorname[10][20]; /*作者名*/
}Lend_info;typedef struct data3
{
Lend_info lend;
struct data3 *next;
}LEND;void baseinfo_input(void) /*输入基本数据函数*/
{
FILE *fp;
char ch;
int i, m;
Base_info b;if ((fp=fopen("D:\\bookinfo.txt","ab")) == NULL)
{
printf("\nCannot open the file.");
return;
}while (1)
{
clrscr();
printf("\n*****************please input base information***************\n");printf("please input book's kind:");
scanf("%s", b.kind);
getchar();printf("please input the number of book:");
scanf("%s", b.booknum);
getchar();printf("please input the book's name:");
scanf("%s", b.bookname);
getchar();printf("please input publish:");
scanf("%s", b.publish);
getchar();printf("please input publish date:");
scanf("%s", b.bdate);
getchar();printf("please input spare number of book:");
scanf("%d", b.sparenum);
getchar();printf("please input lend out book num:");
scanf("%d", b.lendnum);
getchar();printf("please input how many authors(an<10):");
scanf("%d", &m);
getchar();b.an=m;
for (i = 0; i < m; i++)
{
printf("please input the author's name:");
scanf("%s", b.authorname[i]);
getchar();
}if (fwrite(&b,sizeof(Base_info),1,fp) != 1)
{
printf("write error!");
exit(0);
}printf("\nContinue to input?\n");
printf("Yes(y)/No(n):");
ch = bioskey(0);
putchar(ch);while (ch != 'y')
{
switch(ch)
{
case 'n':
fclose(fp);
return;
case 27:
fclose(fp);
return;
default:
printf("\nEnter error!Please enter again:");
ch = bioskey(0);
putchar(ch);
}
}
}
}void base_sort(Base_info b[],int count) /*基本信息排序*/
{
FILE *fp;
Base_info t;
int i, j;for (i = 0; i < count-1; i++)
{
for (j = 0; j < count-i; j++)
{
if (strcmp(b[j].bookname, b[j+1].bookname) > 0)
{
t = b[j];
b[j] = b[j+1];
b[j+1] = t;
}
}
}if ((fp=fopen("D:\\bookinfo.txt","rb")) == NULL)
{
printf("\nCannot open the file.");
return;
}for (i = 0; i < count; i++)
{
fwrite(&b[i],sizeof(Base_info),1,fp);
}fclose(fp);
}void lendinfo_input(void) /*借阅信息输入*/
{
FILE *fp;
char ch;
int a, i;
Lend_info l;if ((fp = fopen("D:\\lend_inf.txt", "ab")) == NULL)
{
printf("cannot open file.");
return;
}while(1)
{
clrscr();
printf("*************please input lend information data**************\n");
printf("please input lend student's name:");
scanf("%s", l.stuname);
getchar();printf("please input lend student's number:");
scanf("%ld", l.stunum);
getchar();printf("please input lend bookname:");
scanf("%s", l.lbookname);
getchar();printf("please input lend how many authors:");
scanf("%d", &a);
getchar();l.anum=a;
for (i = 0; i < a; i++)
{
printf("please input lend book author:");
scanf("%s", l.lauthorname[i]);
getchar();
}if (fwrite(&l, sizeof(Lend_info), 1, fp) != 1)
{
printf("Write error!");
exit(0);
}printf("\nContinue to input?\n");
printf("Yes(y)/No(n):");
ch = bioskey(0);
putchar(ch);while(ch != 'y')
{
switch(ch)
{
case 'n':
fclose(fp);
return;
case 27:
fclose(fp);
return;
default:
printf("\nEnter error,please enter again:");
ch = bioskey(0);
putchar(ch);
}
}
}
}BASE *base_read(void) /*基本信息读取*/
{
FILE *fp;
BASE *head, *p1, *p2;if ((fp=fopen("D:\\bookinfo.txt","rb")) == NULL)
{
printf("\nCannot open the file.");
exit(0);
}head=NULL;
p1=p2=(BASE *)malloc(sizeof(BASE));if (fread(p1,sizeof(BASE),1,fp) != 1)
{
printf("read error!");
exit(0);
}while (p1)
{
if (head == NULL)
{
head = p1;
}
else
{
p2->next = p1;
}
p2=p1;
p1=(BASE *)malloc(sizeof(BASE));
fread(p1,sizeof(BASE),1,fp);
p1=p1->next;
}
p2->next=NULL;
fclose(fp);return(head);
}void find(void) /*基本信息查找输出*/
{
FILE *fp;
char name[20];
int i , flag = 0, max, min, pos, count=0;
Base_info b[100];if((fp=fopen("D:\\bookinfo.txt","rb")) == NULL)
{
printf("cannot open file!press any key return.");
getch(
