C程序教师工作管理系统，怎么编

#include<stdio.h> //标准输入、输出头文件

#include<string.h> //包含字符串函数处理头文件

#include<stdlib.h> //包含动态存储与释放函数头文件

#include<iostream> // system

#define TEALEN sizeof(teanode) //教师信息结构体长度

#define LEN sizeof(Lnode) //链表节点长度

#define MAX 10

int SAME[MAX]

typedef struct teanode

{

char name[10]/银悉搜/教师姓名

int lesson //授课工作量

int exper//实验工作量

int cdesign //课程设计工作量

int gdesign //毕业设计工作量

int total//总工作量

int pos //排序位置

}teanode,*linknode//教师信息结构体

typedef struct Lnode

{

char no[20] //教师编号

linknode info //节点信息详细指针指向教师信息结构体

struct Lnode *prior,*next //双向链表指针域

}Lnode,*linklist//链表节点

void newLnode()

void initlist()

void prin()

void initlist(linklist *T)

{

*T=(linklist)malloc(LEN)

(*T)->info=(linknode)malloc(TEALEN)//为头结点申请空间

(*T)->prior=*T//设置头结点的前驱指针

(*T)->next=*T//设置头结点的后继指针

}//初始化双向循环链表

void newLnode(linklist*p)

{

*p=(linklist)malloc(LEN)//新节点

if(!p)

{

printf("申请节点失败")

exit(0)

}

(*p)->info=(linknode)malloc(TEALEN)

}

void prin(linklist * L)

{

if(L==NULL)

{

printf("锋历没有可以显示的信息\n")

return

}

linklist p=(*L)->next

// printf("陆哗********************************************************************************\n")

printf("教师编号 教师姓名 工作量排名 工作总量\n\n")

while (p!=*L)

{

#include <iostream>

#include <fstream>

#include <string>

#include <conio.h>

using namespace std

//教师资料

struct Teacher

{

string num

string name

string sex

int age

string education

float wage

Teacher *next

}

//初始化链表

void InitList (Teacher *&L)

{

L = new Teacher

L->next = NULL

}

//重载<<运算符，以老蚂用于输出一个Teacher型结点

ostream &operator <<(ostream &output, Teacher *&t)

{

output <<t->num <<'\t' <<t->name <<'\t' <<t->sex <<'\t'

<<t->age <<'\t' <<t->education <<'\t' <<t->wage <<endl

return output

}

//重载>>运算符，以用于输入一个Teacher型结点

istream &operator >>(istream &input, Teacher *&t)

{

input >>t->num >>t->name >>t->sex >>t->age >>t->education >>t->wage

return input

}

/*

//保存信息

void SaveData (Teacher *L)

{

Teacher *p = L->next

ofstream outfile ("B.txt", ios::out)

if (!outfile)

{

cerr <<"文件打开失败!" <<endl

exit (1)

}

while (p != NULL)

{

outfile <<p

p = p->next

}

outfile.close ()

}

*/

//从文件B.txt中读取教师信息

void ReadData (Teacher *&L)

{

Teacher *r = L, *s

ifstream infile ("B.txt", ios::in)

if (!infile)

{

cerr <<"文件腊饥打开失败!" <<endl

exit (1)

}

infile.seekg (sizeof ("职工号\t姓名\t性别\t年龄\t学历\t工资"))

while (!infile.eof ())

{

s = new Teacher

infile >>s

r->next = s

r = s

}

r->next = NULL

infile.close ()

}

//按教师姓名查找信息

void SearchByName ()

{

system ("cls")

Teacher *L

InitList (L)

ReadData (L)

Teacher *p = L->next

cout <<"请输入教师姓名:"

string str

cin >>str

while ((p != NULL) &&(p->name != str))

{

p = p->next

}

if (p == NULL)

cout <<"查无此人!" <<endl

else

{

cout <<"该教师信息如下:\n"

cout <<"职工号\t姓名\t性别\t年龄\t学历\t工资" <<endl

cout <<p <<endl

}

system ("pause")

}

//按教师工资降序排列

void Sort ()

{

system ("cls")

Teacher *L

InitList (L)

ReadData (L)

Teacher *p = L->next, *r = p->next, *q

p->next = NULL

p = r

if (p == NULL)

{

cout <<"文件中不存在任何教侍局埋师的资料，请输入……" <<endl

system ("pause")

return

}

while (p != NULL)

{

r = r->next

q = L

while ((q->next != NULL) &&(q->next->wage >p->wage))

{

q = q->next

}

p->next = q->next

q->next = p

p = r

}

Teacher *s = L->next

cout <<"职工号\t姓名\t性别\t年龄\t学历\t工资" <<endl

while (s != NULL)

{

cout <<s

s = s->next

}

cout <<endl

system ("pause")

}

//主菜单

void Menu ()

{

while (1)

{

system ("cls")

cout <<endl <<endl <<endl

cout <<"\t\t***************[欢迎使用教师管理系统]***************" <<endl

cout <<"\t\t**------------------------------------------------**" <<endl

cout <<"\t\t** (1) 查询信息 **" <<endl

cout <<"\t\t**------------------------------------------------**" <<endl

cout <<"\t\t** (2) 降序排列 **" <<endl

cout <<"\t\t**------------------------------------------------**" <<endl

cout <<"\t\t** (0) 退出**" <<endl

cout <<"\t\t**------------------------------------------------**" <<endl

cout <<"\t\t***************请用数字键选择相应的功能*************" <<endl

switch (getch ())

{

case '1':

SearchByName ()

break

case '2':

Sort ()

break

case '0':

cout <<"\n\n\t\t\t\t谢 谢 使 用 !" <<endl

exit (0)

default:

break

}

}

}

int main ()

{

//打开B.txt文件，若不存在，则新建一个

ofstream outfile ("B.txt", ios::app)

if (!outfile)

{

outfile.close ()

ofstream outfile ("B.txt", ios::trunc)

outfile <<"职工号\t姓名\t性别\t年龄\t学历\t工资" <<endl

}

outfile.close ()

Menu ()

return 0

}

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