㈠ 会c语言课程设计 ： 学生选课管理系统的进
学期末的作业啊………………
万恶的作业呀………………
万恶的程序设计呀………………
自己做做，收获很多的。
你可以做出来，网络上会有很多热心人帮你找出问题。但是如果你什么都不做，当然不会有人来做啦。程序员其实是最宅最懒的一群人。。你想啊，他们连一点简单的计算都想编代码让计算机自己完成，哪会帮你从头做题目呢？
㈡ C语言课程设计《学生选课系统》的设计与实现
/* Note:Your choice is C IDE */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <conio.h>
#define N 100
struct student
{
char num[10];
char name[10];
char tel[11];
};
/* 以下是函数原型说明，被调函数的定义在主调函数后面时，要加此部分 */
void myprint();
void mycreate();
void mydisplay();
void mysearch();
/* sch_num与sch_name函数被mysearch调用 */
void sch_num(FILE *fp);
void sch_name(FILE *fp);
void mymodify();
void myadd();
void mydelete();
/* del_num与del_name函数被mydelete调用 */
void del_num(FILE *fp);
void del_name(FILE *fp);
void mysort();
/* sort_num与sort_name函数被mysort调用 */
void sort_num();
void sort_name();
void main()
{
char choose,yes_no;
do
{
myprint(); /* 显示主菜单 */
printf(" ");
choose=getch();
switch(choose)
{
case '1': mycreate(); break; /* 创建 */
case '2': mydisplay(); break; /* 显示 */
case '3': mysearch(); break; /* 查询 */
case '4': mymodify(); break; /* 修改 */
case '5': myadd(); break; /* 添加 */
case '6': mydelete(); break; /* 删除 */
case '7': mysort(); break; /* 排序 */
case '0': break;
default:printf("\n %c为非法选项！\n",choose);
}
if(choose=='0')
break;
printf("\n 要继续选择吗(Y/N)?\n");
do
{
yes_no=getch();
}while(yes_no!='Y'&&yes_no!='y'&&yes_no!='N'&&yes_no!='n');
}while(yes_no!='Y'||yes_no!='y');
}
void myprint() /* 显示菜单界面 */
{
printf("\n\n\n\n\n\n\n\n");
printf(" |----------------------------|\n");
printf(" | 请输入选项编号(0-7): |\n");
printf(" |----------------------------|\n");
printf(" | 1--创建信息管理系统 |\n");
printf(" | 2--显示信息管理系统 |\n");
printf(" | 3--查询信息管理系统 |\n");
printf(" | 4--修改信息管理系统 |\n");
printf(" | 5--添加信息管理系统 |\n");
printf(" | 6--删除信息管理系统 |\n");
printf(" | 7--排序信息管理系统 |\n");
printf(" | 0--退出 |\n");
printf(" |----------------------------|\n");
}
/* 定义创建信息管理系统的函数 */
void mycreate()
{
int i=1;
struct student temp;
FILE *fp;
fp=fopen("d:\\lbh\\guanli.dat","w");
if(fp==NULL)
{
printf("\n 打开文件失败!\n");
return;
}
printf("\n 请输入第1个记录:\n");
printf(" 学号(用#结束输入):");
do
{
gets(temp.num);
}while(strcmp(temp.num,"")==0);
printf(" 姓名(用#结束输入):");
gets(temp.name);
printf(" 电话号码(用#结束输入):");
gets(temp.tel);
while(temp.num[0]!='#'&&temp.name[0]!='#'&&temp.tel[0]!='#')
{
fprintf(fp,"%23s%15s%15s\n",temp.num,temp.name,temp.tel);
i++;
printf("\n 请输入第%d个记录:\n",i);
printf(" 学号(用#结束输入):");
do
{
gets(temp.num);
}while(strcmp(temp.num,"")==0);
printf(" 姓名(用#结束输入):");
gets(temp.name);
printf(" 电话号码(用#结束输入):");
gets(temp.tel);
}
fclose(fp);
}
/* 定义显示信息管理系统的函数 */
void mydisplay()
{
int n=0;
struct student temp;
FILE *fp;
fp=fopen("d:\\lbh\\guanli.dat","r+");
if(fp==NULL)
{
printf("\n 打开文件失败!\n");
return;
}
// clrscr();
printf(" 学号 姓名 电话号码\n");
while(feof(fp)==0)
{
fscanf(fp,"%23s%15s%15s\n",&temp.num,&temp.name,&temp.tel);
printf("%23s%15s%15s\n",temp.num,temp.name,temp.tel);
n++;
}
if(n==0)
printf("\n 文件中无记录!\n");
else
printf("\n 文件中共有%d个记录!\n",n);
fclose(fp);
}
/* 定义查询信息管理系统的函数 */
void mysearch()
{
char c;
FILE *fp;
fp=fopen("d:\\lbh\\guanli.dat","r+");
if(fp==NULL)
{
printf("\n 打开文件失败!\n");
return;
}
printf("\n 按学号查询(h),还是按姓名查询(m)?");
c=getch();
if(c=='h'||c=='H')
sch_num(fp); /* 按学号查询 */
if(c=='m'||c=='M')
sch_name(fp); /* 按姓名查询 */
else
printf("\n 非法字符!\n");
fclose(fp);
}
/* 定义按学号查询信息管理系统的函数 */
void sch_num(FILE *fp)
{
int flag=0,n=0;
char tempnum[10];
struct student temp;
printf("\n 请输入要查询记录的学号:");
gets(tempnum);
while(feof(fp)==0)
{
fscanf(fp,"%23s%15s%15s\n",&temp.num,&temp.name,&temp.tel);
if(strcmp(tempnum,temp.num)==0)
{
if(flag==0)
printf(" 学号 姓名 电话号码\n");
printf("%23s%15s%15s\n",temp.num,temp.name,temp.tel);
flag=1;
}
n++;
}
if(n==0)
printf("\n 文件中无记录!\n");
else
if(flag==0)
printf("\n 文件中无此人!\n");
}
/* 定义按姓名查询信息管理系统的函数 */
void sch_name(FILE *fp)
{
int flag=0,n=0;
char tempname[10];
struct student temp;
printf("\n 请输入要查询记录的姓名:");
gets(tempname);
while(feof(fp)==0)
{
fscanf(fp,"%23s%15s%15s\n",&temp.num,&temp.name,&temp.tel);
if(strcmp(tempname,temp.name)==0)
{
if(flag==0)
printf(" 学号 姓名 电话号码\n");
printf("%23s%15s%15s\n",temp.num,temp.name,temp.tel);
flag=1;
}
n++;
}
if(n==0)
printf("\n 文件中无记录!\n");
else
if(flag==0)
printf("\n 文件中无此人!\n");
}
/* 定义修改信息管理系统的函数 */
void mymodify()
{
char c;
int n=0;
struct student *find,temp,record[100],*p; /* 最多100个记录 */
FILE *fp;
fp=fopen("d:\\lbh\\guanli.dat","r+");
if(fp==NULL)
{
printf("\n 打开文件失败!\n");
return;
}
p=record;
while(feof(fp)==0)
{
fscanf(fp,"%23s%15s%15s\n",p->num,p->name,p->tel);
p++;
n++;
}
fclose(fp);
if(n==0)
{
printf("\n 文件中无记录!\n");
return;
}
printf("\n 请输入要修改记录的学号:");
gets(temp.num);
for(p=record;p<record+n;p++)
if(strcmp(temp.num,p->num)==0)
{
find=p; /* find记住修改记录的位置 */
break;
}
if(p==record+n)
{
printf("\n 无此人!\n");
return;
}
do
{
printf("\n 请输入正确的学号:");
do
{
gets(temp.num);
}while(strcmp(temp.num,"")==0);
printf(" 请输入正确的姓名:");
gets(temp.name);
printf(" 请输入正确的电话号码:");
gets(temp.tel);
for(p=record;p<record+n;p++)
if((strcmp(temp.num,p->num)==0)&&(p!=find))
{
printf("\n 学号重复，要重新输入吗(Y/N)?");
do
{
c=getch();
}while(c!='Y'&&c!='y'&&c!='N'&&c!='n');
putchar('\n');
break;
}
if(p==record+n)
{
*find=temp; /* find指向需要修改记录的位置 */
break;
}
}while(c=='Y'||c=='y');
fp=fopen("d:\\lbh\\guanli.dat","r+");
if(fp==NULL)
{
printf("\n 打开文件失败!\n");
return;
}
for(p=record;p<record+n;p++)
fprintf(fp,"%23s%15s%15s\n",p->num,p->name,p->tel);
fclose(fp);
}
/* 定义添加信息管理系统的函数 */
void myadd()
{
char c;
int n=0;
struct student temp,record[N],*p;
FILE *fp;
fp=fopen("d:\\lbh\\guanli.dat","r+");
if(fp==NULL)
{
printf("\n 打开文件失败!\n");
return;
}
p=record;
while(feof(fp)==0)
{
fscanf(fp,"%23s%15s%15s\n",p->num,p->name,p->tel);
p++;
n++;
}
fclose(fp);
do
{
printf("\n 请输入新记录的学号:");
do
{
gets(temp.num);
}while(strcmp(temp.num,"")==0);
printf(" 请输入新记录的姓名:");
gets(temp.name);
printf(" 请输入新记录的电话号码:");
gets(temp.tel);
for(p=record;p<record+n;p++)
if(strcmp(temp.num,p->num)==0)
{
printf("\n 学号重复，要重新输入吗(Y/N)?");
do
{
c=getch();
}while(c!='Y'&&c!='y'&&c!='N'&&c!='n');
putchar('\n');
break;
}
if(p==record+n)
{
*p=temp;
break;
}
}while(c=='Y'||c=='y');
fp=fopen("d:\\lbh\\guanli.dat","r+");
if(fp==NULL)
{
printf("\n 打开文件失败!\n");
return;
}
for(p=record;p<record+n+1;p++)
fprintf(fp,"%23s%15s%15s\n",p->num,p->name,p->tel);
fclose(fp);
}
/* 定义删除信息管理系统的函数 */
void mydelete()
{
char c;
FILE *fp;
fp=fopen("d:\\lbh\\guanli.dat","r+");
if(fp==NULL)
{
printf("\n 打开文件失败!\n");
return;
}
printf("\n 按学号删除(h),还是按姓名删除(m)?");
c=getch();
if(c=='h'||c=='H')
del_num(fp); /* 按学号删除 */
if(c=='m'||c=='M')
del_name(fp); /* 按姓名删 */
else
printf("\n 非法字符!\n");
fclose(fp);
}
/* 定义按学号删除信息管理系统的函数 */
void del_num(FILE *fp)
{
int n=0;
char tempnum[10];
struct student record[N],*p,*k;
p=record;
while(feof(fp)==0)
{
fscanf(fp,"%23s%15s%15s\n",p->num,p->name,p->tel);
p++;
n++;
}
fclose(fp);
printf("\n 请输入要删除记录的学号:");
gets(tempnum);
for(k=record;k<record+n;k++)
if(strcmp(tempnum,k->num)==0)
break; /* 找到要删记录结束循环 */
if(k<record+n) /* 提前结束循环，说明找到人 */
for(p=k;p<k+n-1;p++) /* 向左移一位，相当于删除记录 */
*p=*(p+1);
else
printf("\n 无此人!\n");
fp=fopen("d:\\lbh\\guanli.dat","w");
if(fp==NULL)
{
printf("\n 打开文件失败!\n");
return;
}
for(p=record;p<record+n-1;p++)
fprintf(fp,"%23s%15s%15s\n",p->num,p->name,p->tel);
}
/* 定义按姓名删除信息管理系统的函数 */
void del_name(FILE *fp)
{
int n=0;
char tempname[10];
struct student record[N],*p,*k;
p=record;
while(feof(fp)==0)
{
fscanf(fp,"%23s%15s%15s\n",p->num,p->name,p->tel);
p++;
n++;
}
fclose(fp);
printf("\n 请输入要删除记录的姓名:");
gets(tempname);
for(k=record;k<record+n;k++)
if(strcmp(tempname,k->name)==0)
break; /* 找到要删记录结束循环 */
if(k<record+n) /* 提前结束循环，说明找到人 */
for(p=k;p<k+n-1;p++) /* 向左移一位，相当于删除记录 */
*p=*(p+1);
else
printf("\n 无此人!\n");
fp=fopen("d:\\lbh\\guanli.dat","w");
if(fp==NULL)
{
printf("\n 打开文件失败!\n");
return;
}
for(p=record;p<record+n-1;p++)
fprintf(fp,"%23s%15s%15s\n",p->num,p->name,p->tel);
}
/* 定义排序信息管理系统的函数 */
void mysort()
{
char c;
FILE *fp;
fp=fopen("d:\\lbh\\guanli.dat","r+");
if(fp==NULL)
{
printf("\n 打开文件失败!\n");
return;
}
fclose(fp);
printf("\n 按学号排序(h),还是按姓名排序(m)?");
c=getch();
if(c=='h'||c=='H')
sort_num(); /* 按学号排序 */
if(c=='m'||c=='M')
sort_name(); /* 按姓名排序 */
else
printf("\n 非法字符!\n");
}
/* 定义按学号排序信息管理系统的函数 */
void sort_num()
{
int i,j,k,n=0;
char c;
struct student record[N],*p,temp;
FILE *fp;
fp=fopen("d:\\lbh\\guanli.dat","r");
if(fp==NULL)
{
printf("\n 打开文件失败!\n");
return;
}
p=record;
while(feof(fp)==0)
{
fscanf(fp,"%23s%15s%15s\n",p->num,p->name,p->tel);
p++;
n++;
}
fclose(fp);
printf("\n 按升序(s)，还是按降序(j)?");
c=getch();
if(c=='s'||c=='S') /* 按学号的升序排列 */
for(i=0;i<n-1;i++) /* 选择法排序 */
{
k=i;
for(j=i+1;j<n;j++)
if(strcmp((p+k)->num,(p+j)->num)>0)
k=j;
temp=*(p+k);
*(p+k)=*(p+i);
*(p+i)=temp;
}
else
if(c=='j'||c=='J') /* 按学号的降序排列 */
for(i=0;i<n-1;i++) /* 选择法排序 */
{
k=i;
for(j=i+1;j<n;j++)
if(strcmp((p+k)->num,(p+j)->num)<0)
k=j;
temp=*(p+k);
*(p+k)=*(p+i);
*(p+i)=temp;
}
else
{
printf("\n 非法字符!\n");
return;
}
fp=fopen("d:\\lbh\\guanli.dat","w");
if(fp==NULL)
{
printf("\n 打开文件失败!\n");
return;
}
for(p=record;p<record+n;p++)
{
fprintf(fp,"%23s%15s%15s\n",p->num,p->name,p->tel);
printf("%23s%15s%15s\n",p->num,p->name,p->tel);
}
fclose(fp);
}
/* 定义按姓名排序信息管理系统的函数 */
void sort_name()
{
int i,j,k,n=0;
char c;
struct student record[N],*p,temp;
FILE *fp;
fp=fopen("d:\\lbh\\guanli.dat","r+");
if(fp==NULL)
{
printf("\n 打开文件失败!\n");
return;
}
p=record;
while(feof(fp)==0)
{
fscanf(fp,"%23s%15s%15s\n",p->num,p->name,p->tel);
p++;
n++;
}
fclose(fp);
printf("\n 按升序(s)，还是按降序(j)?");
c=getch();
if(c=='s'||c=='S') /* 按姓名的升序排列 */
for(i=0;i<n-1;i++) /* 选择法排序 */
{
k=i;
for(j=i+1;j<n;j++)
if(strcmp((p+k)->name,(p+j)->name)>0)
k=j;
temp=*(p+k);
*(p+k)=*(p+i);
*(p+i)=temp;
}
else
if(c=='j'||c=='J') /* 按姓名的降序排列 */
for(i=0;i<n-1;i++) /* 选择法排序 */
{
k=i;
for(j=i+1;j<n;j++)
if(strcmp((p+k)->name,(p+j)->name)<0)
k=j;
temp=*(p+k);
*(p+k)=*(p+i);
*(p+i)=temp;
}
else
{
printf("\n 非法字符!\n");
return;
}
fp=fopen("d:\\lbh\\guanli.dat","w");
if(fp==NULL)
{
printf("\n 打开文件失败!\n");
return;
}
for(p=record;p<record+n;p++)
fprintf(fp,"%23s%15s%15s\n",p->num,p->name,p->tel);
fclose(fp);
}
㈢ c语言，编写学生选课系统代码，不要录入文件的
试试这个
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
struct Person
{
char score; /*编号*/
char name[10]; /*姓名*/
char address[10]; /*住址*/
char workplace[10]; /*单位*/
char num[8]; /*固定电话*/
char mobile[11]; /*移动号码*/
char sort[10]; /*分类*/
char Email[8]; /*E-mail*/
char QQ[10]; /*QQ*/
};
Person pe[80];
//登陆函数
void logon()
{printf("\n\n\n\t\t\t 通信录管理\n\n");
printf("\n\n\n\n\n\t\t\t 2014年7月\n\n");
printf("\t\t\t 程序设计\n");
system("pause");
}
int menu_select()
{ char c;
logon();
do{
system("cls");
printf("\t\t *****档案***** \n");
printf("\t\t┌───────┐\n");
printf("\t\t│ 1. 添加记录 │\n");
printf("\t\t 2. 删除记录 │\n");
printf("\t\t│ 3. 查询记录 │\n");
printf("\t\t│ 4. 修改记录 │\n");
printf("\t\t│ 5. 保存记录 │\n");
printf("\t\t│ 0. 退出程序 │\n");
printf("\t\t└───────┘\n");
printf("\t\t请您选择(0-5):");
c=getchar();
}while(c<'0'||c>'5');
return(c-'0');
}
int Input(Person per[],int n)
{
int i=0;
char sign,x[10];
while(sign!='n'&&sign!='N')
{
printf("\t编号:");
scanf("\t%d",&per[n+i].score);
printf("\t姓名:");
scanf("\t%s",per[n+i].name);
printf("\t电话号码:");
scanf("\t%s",per[n+i].num);
printf("\t单位:");
scanf("\t%s",per[n+i].workplace);
printf("\tE-mail:");
scanf("\t%s",per[n+i].Email);
printf("\t住址:");
scanf("\t%s",per[n+i].address);
printf("\t移动手机:");
scanf("\t%s",per[n+i].mobile);
printf("\tQQ:");
scanf("\t%s",per[n+i].QQ);
printf("\t所属类别:");
scanf("\t%s",per[n+i].sort);
gets(x);
printf("\n\t是否继续添加?(Y/N)");
scanf("\t%c",&sign);
i++;
} //插入学生信息，插入一条学生信息之后，执行i++，继续执行插入，直到不满足循环条件
return(n+i);
}
int Delete_a_record(Person per[],int n)
{
char s[20];
int i=0,j;
printf("\t请输入想删除记录中的名字:");
scanf("%s",s);
while(strcmp(per[i].name,s)!=0&&i<n)
i++;
if(i==n)
{
printf("\t通讯录中没有此人!\n");
return(n);
}
for(j=i;j<n-1;j++)
{
strcpy(per[j].num,per[j+1].num);
strcpy(per[j].name,per[j+1].name);
strcpy(per[j].workplace,per[j+1].workplace);
strcpy(per[j].Email,per[j+1].Email);
strcpy(per[j].address,per[j+1].address);
strcpy(per[j].QQ,per[j+1].QQ);
strcpy(per[j].mobile,per[j+1].mobile);
strcpy(per[j].sort,per[j+1].sort);
per[j].score=per[j+1].score;
} //删除一条信息后，其后面的信息都要向前移一位
printf("\t\t\t已经成功删除!\n");
return(n-1);
}
//查询一条记录
void Query_a_record(Person per[],int n)
{
int m;
printf("\t\n请选择查询方式:\n");
printf("\t┌─────- ┐\n");
printf("\t│1------姓名 │\n");
printf("\t│2------单位 │\n");
printf("\t│3------分类 │\n");
printf("\t│4------返回 │\n");
printf("\t└──────┘\n");
printf("请选择:");
scanf("%d",&m);
while(m!=1&&m!=2&&m!=3&&m!=4)
{
printf("输入错误，请重新选择:");
scanf("%d",&m);
}
if(m==1)
{
char s[20];
int i=0;
printf("\t请输入想查询的姓名:");
scanf("\t%s",s);
while(strcmp(per[i].name,s)!=0&&i<n) i++;
if(i==n)
{
printf("\t档案中没有此人!\n");
return;
}
printf("\t此人编号: %d\n",per[i].score);
printf("\t固定电话: %s\n",per[i].num);
printf("\t单位: %s\n",per[i].workplace);
printf("\tE-mail: %s\n",per[i].Email);
printf("\t此人QQ: %s\n",per[i].QQ);
printf("\t此人手机号: %s\n",per[i].mobile);
printf("\t此人分类: %s\n",per[i].sort);
} ;
if(m==2)
{
char s[20];
int i=0,k=0;
printf("\t请输入想查询的单位:");
scanf("\t%s",s);
for(i=0;i<n;i++){
if(strcmp(per[i].workplace,s)==0){
printf("\t此人编号: %d\n",per[i].score);
printf("\t姓名: %s\n",per[i].name);
printf("\t固定电话: %s\n",per[i].num);
printf("\tE-mail: %s\n",per[i].Email);
printf("\t此人QQ: %s\n",per[i].QQ);
printf("\t此人手机号: %s\n",per[i].mobile);
printf("\t此人分类: %s\n",per[i].sort);
printf("\n\n");
}
else
k++;
}
if(k==n)
{
printf("\t档案中没有此人!\n");
return;
}
} ;
if(m==3)
{
char s[20];
int i=0,k=0;
printf("\t请输入想查询的分类:");
scanf("\t%s",s);
for(i=0;i<n;i++){
if(strcmp(per[i].sort,s)==0){
printf("\t此人编号: %d\n",per[i].score);
printf("\t姓名: %s\n",per[i].name);
printf("\t固定电话: %s\n",per[i].num);
printf("\tE-mail: %s\n",per[i].Email);
printf("\t此人QQ: %s\n",per[i].QQ);
printf("\t此人手机号: %s\n",per[i].mobile);
printf("\t此人单位: %s\n",per[i].sort);
printf("\n\n");
}
else
k++;
}
if(k==n)
{
printf("\t档案中没有此人!\n");
return;
}
} ;
}
//修改记录
void Change(Person per[],int n)
{
char s[20];
int i=0;
printf("\t请输入想修改的记录中的名字:");
scanf("%s",s);
while(strcmp(per[i].name,s)!=0&&i<n)
i++;
if(i==n)
{
printf("\t档案中没有此人!\n");
return;
}
printf("\t编号:");
scanf("\t%d",&per[i].score);
printf("\t姓名:");
scanf("\t%s",per[i].name);
printf("\t电话号码:");
scanf("\t%s",per[i].num);
printf("\t单位:");
scanf("\t%s",per[i].workplace);
printf("\tE-mail:");
scanf("\t%s",per[i].Email);
printf("\t住址:");
scanf("\t%s",per[i].address);
printf("\t移动手机:");
scanf("\t%s",per[i].mobile);
printf("\t所属类别:");
scanf("\t%s",per[i].sort);
printf("\t修改成功！");
}
//写入文件
void WritetoText(Person per[],int n)
{
int i=0;
FILE *fp; /*定义文件指针*/
char filename[20]; /*定义文件名*/
printf("\t保存到文件\n"); /*输入文件名*/
printf("\t请输入所保存的文件名:");
scanf("\t%s",filename);
if((fp=fopen(filename,"w"))==NULL)
{
printf("\t无法打开文件\n");
system("pause");
return;
}
fprintf(fp,"******************************************通讯录******************************************\n");
fprintf(fp,"编号 姓名 电话号码 通信地址 电子邮箱\n");
fprintf(fp,"------------------------------------------------------------------------------------------\n");
while(i<n)
{
fprintf(fp,"%-3d\t%-6s\t%-13s\t%-20s\t%-20s\n",per[i].score,per[i].name,per[i].num,per[i].workplace,per[i].Email);
i++;
}
fprintf(fp,"------------------------------------------------------------------------------------------\n");
fprintf(fp,"***************************************共有%d条记录****************************************\n",n);
fclose(fp); /*关闭文件*/
printf("保存成功!\n");
}
/* 主函数*/
int main()
{
int n=0;
for(;;)
{
switch(menu_select())
{
case 1:
printf("\n\t添加记录到档案\n");
n=Input(pe,n);
break;
case 2:
printf("\n\t从档案中删除记录\n");
n=Delete_a_record(pe,n);
printf("\t");
system("pause");
break;
case 3:
printf("\n\t在档案中查找记录\n");
Query_a_record(pe,n);
printf("\t");
system("pause");
break;
case 4:
printf("\n\t修改档案中的记录\n");
Change(pe,n);
printf("\t");
system("pause");
break;
case 5:
printf("\n\t保存功能\n");
WritetoText(pe,n);
printf("\t");
system("pause");
break;
case 0:
printf("\n\t\t谢谢使用，再见!\n");
printf("\n\t\t");
system("pause");
exit(0); //退出程序
}
}
}
㈣ C语言程序设计，学生选课系统
这是这几天我用C做的一个简易的学生选课系统.其实是我们的1道程序实践考试题,我想请大家看看,帮我提些建议.
#include<stdio.h>
#include<stdlib.h>
int N1,N2,kk1,kk2,kk3;
struct couse * head1;
struct student * head2;
struct couse//课程信息结构体
{
int num1;
char name1[20];
int score;
int nelepeo;//课程已选人数
int Melepeo;//课程人数上限
struct couse * next;
};
struct student//学生信息结构体
{
int num2;
char name2[20];
int nelenum[50];//已选课程编号
int nelen;//已选课程数量
struct student * next;
};
void Ms()
{
for(kk1=0;kk1<1100;kk1++)
for(kk2=0;kk2<1200;kk2++)
for(kk3=0;kk3<1200;kk3++);
}
void keyboardc()//录入课程子函数(从键盘录入)
{
struct couse *p1,*p2;
N1=0;
p1=p2=(struct couse*)malloc(sizeof(struct couse));
printf("课程编号\t课程名称\t学分\t课程人数上限\n");
scanf("%d%s%d%d",&p1->num1,p1->name1,&p1->score,&p1->Melepeo);
p1->nelepeo=0;
head1=NULL;
while(p1->num1!=0)
{
N1=N1+1;
if(N1==1)head1=p1;
else p2->next=p1;
p2=p1;
p1=(struct couse * )malloc(sizeof(struct couse));
scanf("%d%s%d%d",&p1->num1,p1->name1,&p1->score,&p1->Melepeo);
p1->nelepeo=0;
}
p2->next=NULL;
}
void filec()//录入键盘子函数(从文件录入)
㈤ c语言 学生选课系统设计
这个程序属于大作业类了，300+行，估计没人写的
㈥ c语言编写学生选课系统
#include<stdio.h>
#include<conio.h>
#include<string.h>
#include<stdlib.h>
//#include<iostream.h>
void clrscr(void)
{
system("cls");
}
char *getpass(char s[])
{
char *pass,ch;
int i;
pass=new char[100];
i=0;
pass[0]='\0';
printf("%s",s);
while(1)
{
ch=getch();
if(ch!=13)
{
printf("*");
pass[i]=ch;
i++;
pass[i]='\0';
}
else break;
}
//scanf("%s",pass);
return pass;
}
struct course
{
char name[20];
int score;
int students_limited;
course *pNext;
};
struct user
{
char name[20];
char password[17];
char coursename[20];
user *pNext;
};
int Login()
{
char key;
ST1:
clrscr();
printf("\n\n\n\n\n\n\n\t\t\tWelcome to Course System!");
printf("\n\n");
printf("\n\t\t\t1. Login with Administrator");
printf("\n\t\t\t2. Login with Users");
printf("\n\t\t\t0. Exit");
key=getch();
switch(key)
{
case '1' : return 1;
case '2' : return 2;
case '0' : return 0;
default : printf("\n\n\t\t\tInput wrong!\n\t\t\t\tPress any key to continue...");
getch();
goto ST1;
}
}
course *readcourse()
{
FILE *fp;
book *pHead,*pTemp,*pLast;
fp=fopen("coursemsg.dat","r");
if(fp==NULL)
{
printf("\n\n\t\t\tOpen course message file failed!");
return NULL;
}
pHead=NULL;
while(!feof(fp))
{
pTemp=new course;
if(fread(pTemp,sizeof(course),1,fp)!=1)
{
delete pTemp;
break;
}
if(pHead==NULL)
{
pHead=pTemp;
pLast=pTemp;
}
pLast->pNext=pTemp;
pTemp->pNext=NULL;
pLast=pTemp;
}//while
fclose(fp);
return pHead;
}
void writecoursetofile(course *pHead)
{
FILE *fp;
course *pTemp,*pNext;
fp=fopen("coursemsg.dat","w");
for(pTemp=pHead;pTemp;pTemp=pTemp->pNext)
fwrite(pTemp,sizeof(course),1,fp);
fclose(fp);
}
void Add_course()
{
course one,*p;
int i,j;
FILE *fp;
p=&one;
while(1)
{
clrscr();
printf("\n\n\n\n\n\n\n\n\t\tPlease input the name of course(-1 to end):");
//cin>>p->name;
scanf("%s",p->name);
if(!strcmp(p->name,"-1"))break;
i=0;
while(1)
{
if(p->name[i]=='\0')break;
else i++;
}
for(j=i;j<20;j++)p->name[j]='\0';
printf("\n\t\tInput it's scores:");
//cin>>p->score;
scanf("%d",&p->score);
fp=fopen("coursemsg.dat","a+");
fwrite(p,sizeof(course),1,fp);
fclose(fp);
printf("\n\n\t\tAdd course message OK!");
printf("\n\t\t\tPress any key to countinue...");
getch();
}
}
void Del_course()
{
course *pHead,*pNewHead,*pTemp,*pLast;
char name[20];
pHead=readcourse();
printf("\n\t\tPlease input the name of course to be delete:");
gets(name);
while(strcmp(pHead->name,name)==0)
{
pNewHead=pHead->pNext;
printf("\n\n\t\t--%s had been deleted" ,name);
delete pHead;
pHead=pNewHead;
}
for(pTemp=pHead,pLast=pHead;pTemp!=NULL;pLast=pTemp,pTemp=pTemp->pNext)
{
if(strcmp(pTemp->name,name)==0)
{
pLast->pNext=pTemp->pNext;
printf("\n\n\t\t--%s had been deleted" ,name);
delete pTemp;
pTemp=pLast;
}
}//for
writecoursetofile(pHead);
getch();
}
void course_Op()
{
char key;
ST3:
clrscr();
printf("\n\n\n\n\n\n\n\n\t\t\t\t1. Add Course");
printf("\n\t\t\t\t2. Delete Course");
printf("\n\t\t\t\t0. EXIT");
key=getch();
switch(key)
{
case '1' : Add_course();break;
case '2' : Del_course();break;
case '0' : goto _End;
default : printf("\n\tInput wrong!\n\tPress any key to continue...");
getch();
}
goto ST3;
_End:
;
}
void Add_user()
{
FILE *fp;
char name[20],*na,password[6],*pa;
int i,j;
user one,*p;
p=&one;
pa=password;
na=name;
while(1)
{
clrscr();
printf("\n\n\n\n\n\n\n\t\tPlease input user's name(-1 to end):");
gets(name);
if(!strcmp(name,"-1"))break;
pa=getpass("\n\t\tPlease input new password:");
strcpy(p->name,na);
strcpy(p->password,pa);
fp=fopen("usermsg.dat","ab+");
fwrite(p,sizeof(user),1,fp);
fclose(fp);
printf("\n\t\tuser's message has been saved!");
printf("\n\t\tPress any key to countinue...");
getch();
}
}
user *readcusmsg()
{
FILE *fp;
user *pHead,*pTemp,*pLast;
fp=fopen("usermsg.dat","rb");
if(fp==NULL)
{
printf("\n\nOpen user's message file failed");
return NULL;
}
pHead=NULL;
while(!feof(fp))
{
pTemp=new user;
if(fread(pTemp,sizeof(user),1,fp)!=1)
{
delete pTemp;
break;
}
if(pHead==NULL)
{
pHead=pTemp;
pLast=pTemp;
}
pLast->pNext=pTemp;
pTemp->pNext=NULL;
pLast=pTemp;
}//while
fclose(fp);
return pHead;
}
void writecusmsgtofile(user *pHead)
{
FILE *fp;
user *pTemp,*pNext;
fp=fopen("usermsg.dat","wb");
for(pTemp=pHead;pTemp;pTemp=pTemp->pNext)
fwrite(pTemp,sizeof(user),1,fp);
fclose(fp);
}
void user_Op()
{
char key;
ST4:
clrscr();
printf("\n\n\n\n\n\n\n\n\t\t\t\t1. Add Users");
printf("\n\t\t\t\t0. EXIT");
key=getch();
switch(key)
{
case '1' : Add_user();break;
case '0' : goto _End;
default : printf("\n\tInput wrong!\n\tPress any key to continue...");
getch();
}
goto ST4;
_End:;
}
void List_all_course()
{
course *pHead,*pTemp;
int Count=0,tense;
pHead=readcourse();
if(!pHead)
{
printf("\n\t(No data)");
exit(0);
}
printf("\n%30s%8s%10s","course name","Score","Tense");
for(pTemp=pHead;pTemp!=NULL;pTemp=pTemp->pNext)
{
if(pTemp->n>0)tense=1;
else tense=0;
printf("\n%30s%8d%10d",pTemp->name,pTemp->score,tense);
Count++;
if(Count%20==0){printf("Press any key to countinue...");getch();}
}
getch();
}
void Search_course_name()
{
char name[20];
int tense,k=1;
book *pHead,*pTemp,*pNext;
printf("\n\tPlease input the name of the course you want to search:");
gets(name);
pHead=readcourse();
for(pTemp=pHead;pTemp!=NULL;pTemp=pTemp->pNext)
if(!strcmp(pTemp->name,name))
{
if(pTemp->n>0)tense=1;
else tense=0;
k=0;
printf("\n%30s%8d%10d",pTemp->name,pTemp->score,tense);
}
if(k)
{
printf("\n\n\t\tThere's no course named %s",name);
printf("\n\t\t\tPress any key to countinue...");
}
getch();
}
void course_Search()
{
char key;
ST5:
clrscr();
printf("\n\n\n\n\n\n\t\t\t\t1. List all course");
printf("\n\t\t\t\t2. Search by the name of course");
printf("\n\t\t\t\t0. EXIT");
key=getch();
switch(key)
{
case '1' : List_all_course();break;
case '2' : Search_course_name();break;
case '0' : goto _End;
default : printf("\n\t\t\tInput wrong!\n\t\t\tPress any key to continue...");
getch();
}
goto ST5;
_End:;
}
void Pass(int Res)
{
FILE *fp;
char psw[17],*p,pass_in[17],user_name[20];
user *pHead,*pTemp;
int i,k=0;
clrscr();
p=pass;
if(Res==1)
{
if(!(fp=fopen("adm.psw","rb")))
{
printf("\n\n\n\n\n\n\n\t\tWelcome!\n\t******Login Administrator******");
p=getpass("\n\tPlease input your new password:");
fp=fopen("adm.psw","wb");
fprintf(fp,"%s",p);
fclose(fp);
}
else
{
fscanf(fp,"%s",pass_in);
fclose(fp);
printf("\n\n\n\n\n\n\t******Login by Administrator******");
p=getpass("\n\n\t\t\tPlease input your password:");
if(strcmp(p,pass_in))
{
printf("\n\t\tYour Password is wrong!");
printf("\n\t\tPress any key to EXIT...");
getch();
exit(0);
}//if_else
}
Adm_List();
}//if
else
{
printf("\n\n\n\n\n\n\n\n\t\t\t\tWelcome!");
printf("\n\t\t\t******Login by User******");
printf("\n\t\t\tPlease input your name:");
scanf("%s",user_name);
p=getpass("\n\t\t\tPlease input your password:");
pHead=reaser();
for(pTemp=pHead;pTemp!=NULL;pTemp=pTemp->pNext)
if(!strcmp(pTemp->name,user_name))
if(strcmp(pTemp->password,p))
{
k=1;
printf("\n\t\t\tYour password is wrong!");
printf("\n\t\t\t\tPress any key to EXIT...");
getch();
exit(0);
}//if_else
}//psw
int main()
{
int Res;
clrscr();
printf("\n\n\n\n\n\n\n\n");
printf("\n\t*****************************************************************");
printf("\n\t* courses System *");
printf("\n\t* *");
printf("\n\t* QiuYong No.20052419 *");
printf("\n\t* *");
printf("\n\t* 2006-7-20 *");
printf("\n\t*****************************************************************");
printf("\n\t\t\t\t\t\tPress any key to countinue...");
getch();
START:
Res=login();
if(Res==0)goto End;
else if(Res==3)Help();
else Psw(Res);
goto START;
End:
clrscr();
printf("\n\n\n\n\n\n\t\t\tGoodBye ^_^");
return 0;
}
㈦ C语言的学生选课系统~大家帮帮忙啊~
#include<iostream.h>
#include<string.h>
#include<iomanip.h>
#include<conio.h>
#include<iostream>
struct student //定义一个学生结构体
{ char name[8];
int num;
char bj[20];
int GS,YY,JSJ,SUM; };
int s=0;
class student1 //定义一个学生类
{ private: student stu[40];
char name,bj;
int num; int GS,YY,JSJ,SUM;
public:
void sr(char *,int,char *,int,int,int);
void print(int);
int jc(int xxh) { int m=0;
while(m<=s+1)
if(xxh==stu[m++].num) break;
if(m>s+1) return 0;
else
return 1; }
void cz(int);
void sc(int);
void sum(int); };
void student1::sr(char *xm,int xh,char *dz,int gs,int yy,int jsj) //输入模块
{ strcpy(stu[s].name,xm);
stu[s].num=xh; strcpy(stu[s].bj,dz); stu[s].GS=gs;
stu[s].YY=yy;
stu[s].JSJ=jsj; }
void student1::print(int s) //输出模块
{ cout<<s<<"\t";
cout<<stu[s].name<<"\t";
cout<<stu[s].num<<"\t";
cout<<stu[s].bj<<"\t";
cout<<stu[s].GS<<"\t";
cout<<stu[s].YY<<"\t";
cout<<stu[s].JSJ<<"\t"; cout<<endl; }
void student1::cz(int s) //查找模块
{ int xxh,p;
while(s==0)
{ cout<<"没有记录，请先输入记录！"<<endl;
break; }
if(s!=0)
{cout<<"请输入您要查找的学号:";
cin>>xxh;
while (xxh<100000||xxh>999999) //判断输入的学号是否正确
{ cout<<"您输入的学号不正确,请输入一个六位数的学号"<<endl;
cin>>xxh; } while(s!=0) //查找是否有符合条件的记录
{ p=1;
if (xxh==stu[s].num)
{ cout<<"姓名\t学号\t班级\t高数\t英语\t计算机"<<endl;
cout<<stu[s].name<<"\t";
cout<<stu[s].num<<"\t";
cout<<stu[s].bj<<"\t";
cout<<stu[s].GS<<"\t";
cout<<stu[s].YY<<"\t";
cout<<stu[s].JSJ<<endl;
getch(); break; }
else
p=0; s--; } if(p==0)
cout<<"很抱歉,没有找到您要查找的学号!"<<endl;}
getch(); }
void student1::sc(int n) //删除模块
{ int xxh,p;
char da;
while(s==0)
{ cout<<"没有记录，请先输入记录！"<<endl; break; }
if(s!=0)
{ cout<<"请输入您要删除的学号:";
cin>>xxh;
while (xxh<100000||xxh>999999)
{ cout<<"您输入的学号不正确,请您输入一个六位数的学号" <<endl;
cin>>xxh; }
for(int i=1;i<=n;i++)
{ if(stu[i].num!=xxh) p=0;
if(stu[i].num==xxh)
{ cout<<"姓名\t学号\t班级\t高数\t英语\t计算机"<<endl;
cout<<stu[i].name<<"\t";
cout<<stu[i].num<<"\t";
cout<<stu[i].bj<<"\t";
cout<<stu[i].GS<<"\t";
cout<<stu[i].YY<<"\t";
cout<<stu[i].JSJ<<endl;
cout<<"您确实要删除该学生的记录吗?(y/n)";
cin>>da;
if(da=='y'||da=='Y')
{ for(int j=i;j<=n-1;j++) //删除记录
{ strcpy(stu[j].name,stu[j+1].name);
stu[j].num=stu[j+1].num;
strcpy(stu[j].bj,stu[j+1].bj);
stu[j].GS=stu[j+1].GS;
stu[j].YY=stu[j+1].YY;
stu[j].JSJ=stu[j+1].JSJ; }
cout<<"该记录已删除!"<<endl; s=s-1; p=1; break; }
else
{ cout<<"该记录未删除!"<<endl;
p=1; } } }
if(p==0) cout<<"很抱歉,没有找到您要找的学号!"<<endl; }
getch(); }
void student1::sum(int s) //排序模块
{ int chang;
int b[40];
while(s==0)
{ cout<<"没有记录，请先输入记录！"<<endl; break;
} if(s!=0)
{ cout<<"姓名\t学号\t班级\t英语\t";
cout<<"高数\t计算机\t总分"<<endl;
for(int k=1;k<=s;k++)
{ b[k]=stu[k].GS+stu[k].YY+stu[k].JSJ;
stu[k].SUM=stu[k].GS+stu[k].YY+stu[k].JSJ;
} for(int i=1;i<=s;i++) //利用冒泡法对B[]进行排序
for(int j=1;j<=s-i;j++)
if(b[j]<b[j+1])
{ chang=b[j];
b[j]=b[j+1];
b[j+1]=chang; }
for(int h=1;h<=s;h++) //输出与B[]中相同总分所对应的内容
for(int e=1;e<=s;e++)
if(b[h]==stu[e].SUM)
{ cout<<stu[e].name<<"\t";
cout<<stu[e].num<<"\t";
cout<<stu[e].bj<<"\t";
cout<<stu[e].YY<<"\t";
cout<<stu[e].GS<<"\t";
cout<<stu[e].JSJ<<"\t";
cout<<stu[e].SUM<<endl; } }
getch();
} void main()
{ student1 st;
char da,a;
char *xm,*dz;
int gs,yy,jsj,xh;
time_t t;
while(1)
{ system("cls");
cout<<endl;
cout<<" 学生信息管理"<<endl;
cout<<"1.添加学生资料"<<' ';
cout<<"2.显示学生资料"<< ' ';
cout<<"3.查找"<<' ';
cout<<"4.删除"<<' ';
cout<<"5.按总分进行排序"<<endl;
cout<<"6.退出"<<endl;
cout<<"请选择操作(1-6)"<<endl;
cin>>a;
t: if(a=='6') break;
switch (a)
{ case '1':
{ cout<<"请依次输入学生的姓名,学号,班级,高数,英语,计算机:"<<endl;
xm=new char[];dz=new char[]; cin>>xm>>xh>>dz>>gs>>yy>>jsj;
while(st.jc(xh)) //调用JC模块判断学号是否重复
{ cout<<"学号重复，请重新输入！"<<endl;
cin>>xh; }
s=s+1;
st.sr(xm,xh,dz,gs,yy,jsj);
cout<<"是否继续输入?(y/n)";
cin>>da;
while (da=='y'||da=='Y') //判断是否要继续输入
{ cout<<"请依次输入学生的姓名,学号,班级,高数,英语,计算机:"<<endl;
xm=new char[];dz=new char[];
cin>>xm>>xh>>dz>>gs>>yy>>jsj;
while(st.jc(xh))
{ cout<<"学号重复，请重新输入！"<<endl;
cin>>xh; }
s=s+1;
st.sr(xm,xh,dz,gs,yy,jsj);
cout<<"是否继续输入?(y/n)";
cin>>da; }
getch();
};break;
case '2':
{ if(s==0) //判断是否有记录输入
{ cout<<"没有记录，请先输入记录！"<<endl; getch(); break; }
if(s!=0)
{ cout<<"序号"<<"\t"; cout<<"姓名"<<"\t"; cout<<"学号"<<"\t";
cout<<"班级"<<"\t";
cout<<"高数"<<"\t";
cout<<"英语"<<"\t";
cout<<"计算机"<<endl;
for(int i=1;i<=s;i++)
st.print(i);
getch(); } };
break;
case '3':st.cz(s);break;
case '4':st.sc(s);
break;
case '5':st.sum(s);break; default:
{ while(a=='0'||a>'6') //判断选项是否正确
{ cout<<"错误选项，请重新选择！"<<endl;
cin>>a; } goto t; };break; } }
cout<<"谢谢您的使用!"<<endl; }
另一个
#include<iostream.h>
#include<string.h>
class worker//社会保障对象的个人信息类
{
public:
worker();
~worker();
void enter();//保障对象信息录入构造函数
void display();//保障对象信息输出构造函数
void setsno(int temp);
int getsno();
char *getname();
long getgongzi();
void change();//保障对象信息修改构造函数
void read();
void write();
private:
int maxnum;//保障对象编号最大值
int sno;// 编号
char name[5];//姓名
char sex[2];//性别
int age;//年龄
char birth[10];//出生日期
char folk[2];//民族
char mianmao[10];//政治面貌
char department[50];//个人及家庭情况
long gongzi;//福利保障金额
char telephone[10];//联系电话
char address[30];//详细家庭住址
};
#include<iostream.h>
#include<iomanip.h>
#include<string.h>
#include<fstream.h>
#include<stdio.h>
worker::worker()
{}
worker::~worker()
{}
int worker::getsno()
{return sno;}
long worker::getgongzi()
{return gongzi;}
char *worker::getname()
{
return name;}
void worker::setsno(int temp)
{sno=temp;}
void worker::enter()
{
ifstream tfile("max.txt",ios::binary|ios::nocreate);
if(tfile)
{
tfile.read((char *)&maxnum,sizeof maxnum);
}
else
{
maxnum=100;//编号初始化
}
tfile.close();
sno=maxnum++;
ofstream ofile("max.txt");
ofile.write((char*)&maxnum,sizeof maxnum);
tfile.close();
cout<<"请输入人员信息"<<endl;
cout<<"姓名:"<<endl;
cin>>name;
cout<<"性别(男(a)，女(b)):"<<endl;
cin>>sex;
while(strcmp(sex,"a")!=0&&strcmp(sex,"b")!=0)
{ cout<<"错误请重新输入!"<<endl;
cin>>sex;
}
cout<<"年龄:"<<endl;
cin>>age;
while(age<=15||age>=100)
{
cout<<"错误请重新输入!"<<endl;
cin>>age;
}
cout<<"出生日期:"<<endl;
cin>>birth;
cout<<"政治面貌(团员<t>,预备党员<y>,党员<d>):"<<endl;
cin>>mianmao;
while(strcmp(mianmao,"t")!=0&&strcmp(mianmao,"y")!=0&&strcmp(mianmao,"d")!=0)
{
cout<<"错误请重新输入!"<<endl;
cin>>mianmao;
}
cout<<"民族:"<<endl;
cin>>folk;
cout<<"个人及家庭情况:"<<endl;
cin>>department;
cout<<"福利保障金额:"<<endl;
cin>>gongzi;
cout<<"联系电话:"<<endl;
cin>>telephone;
cout<<"家庭住址:"<<endl;
cin>>address;
}
void worker::display()
{
cout<<setw(4)<<sno<<setw(8)<<name<<setw(5)<<
sex<<setw(6)<<age<<setw(6)<<folk<<setw(12)<<birth<<setw(8)<<
mianmao<<setw(10)<<department<<setw(10)<<gongzi<<setw(10)<<telephone<<setw(10)<<endl;
cout<<address<<endl;
}
void worker::change()
{
cout<<"请输入要修改人员的信息:"<<endl;
cout<<"姓名是不是要改写(Y/N)"<<endl;
char ch;
cin>>ch;
if(ch=='Y'||ch=='y')
{
cout<<"请输入新姓名:"<<endl;
cin>>name;
}
cout<<"性别(男(a)，女(b)):"<<endl;
cin>>sex;
cout<<"年龄:"<<endl;
cin>>age;
while(age<=15||age>=50)
{
cout<<"错误请重新输入!"<<endl;
cin>>age;
}
cout<<"出生日期:"<<endl;
cin>>birth;
cout<<"民族:"<<endl;
cin>>folk;
cout<<"政治面貌(t,y,d):"<<endl;
cin>>mianmao;
while(strcmp(mianmao,"t")!=0&&strcmp(mianmao,"y")!=0&&strcmp(mianmao,"d")!=0)
{
cout<<"错误请重新输入!"<<endl;
cin>>mianmao;
}
cout<<"个人及家庭情况:"<<endl;
cin>>department;
cout<<"福利保障金额:"<<endl;
cin>>gongzi;
cout<<"联系电话:"<<endl;
cin>>telephone;
cout<<"家庭住址:"<<endl;
cin>>address;
cout<<"你刚刚输入的信息如下:"<<endl;
display();
}
#include<iostream.h>
#include<fstream.h>
#include<string.h>
#include<iomanip.h>
#include<stdlib.h>
worker information;//worker 类的全局变量
void menu()
{ cout<<"********欢迎使用社会福利保障系统********"<<endl;
cout<<"姓名：姜黎黎 编号：2005022055 "<<endl;
cout<<"*******************************************************"<<endl;
cout<<"*****构造和谐社会*****共建美好家园*****"<<endl;
cout<<"*******************************************************"<<endl;
cout<<" "<<endl;
cout<<" 0.退出系统 "<<endl;
cout<<" "<<endl;
cout<<" 1.人员信息录入 "<<endl;
cout<<" "<<endl;
cout<<" 2.人员信息查询 "<<endl;
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" 3.人员信息输出 "<<endl;
cout<<" "<<endl;
cout<<" 请选择操作(0======3) "<<endl;
cout<<" "<<endl;
cout<<" 保障对象编号初始值为:100(自动顺次加1) "<<endl;
}
void read()
{
ifstream afile("worker.txt",ios::nocreate);
afile.read((char*)&information,sizeof information);
}
void write()
{
ofstream bfile("worker.txt",ios::app);
bfile.write((char*)&information,sizeof information);
}
void input(void)
{
char ch;
information.enter();
write();
cout<<"你还要输入下一位人员的信息吗（Y/N）!"<<endl;
cin>>ch;
if(ch=='Y'||ch=='y')
{
input();
}
}
void search()
{
cout<<"请输入你的查找类型:(1.编号 2.姓名 3.保障金额)"<<endl;
int k,i,m=0;
char j,ch1[5];
cin>>j;
while((j!='1')&&(j!='2')&&(j!='3'))
{ cout<<"错误请重新选择!"<<endl;
cin>>j;
}
if(j=='1')
{
cout<<"请输入你要查找的人员编号:"<<endl;
cin>>i;
}
if(j=='2')
{
cout<<"请输入你要查找的人员姓名:"<<endl;
cin>>ch1;
}
if(j=='3')
{
cout<<"请输入你要查找人员的社会福利保障金额:"<<endl;
cin>>k;
}
ifstream dfile("worker.txt",ios::nocreate);
while (dfile.good())
{
dfile.read((char *) &information,sizeof information);
if(i==information.getsno()||strcmp(information.getname(),ch1)==0||k==information.getgongzi())
{cout<<"你所要查找的信息如下:"<<endl;
cout<<setw(6)<<"编号"<<setw(6)<<"姓名"<<setw(6)<<"性别"<<setw(6)<<
"年龄"<<setw(6)<<"民族"<<setw(10)<<"出生日期"<<
setw(10)<<"政治面貌"<<setw(10)<<"情况介绍"<<setw(10)<<"保障金额"<<setw(10)
<<"联系电话"<<setw(10)<<endl;
cout<<"家庭住址"<<endl;
information.display();
i=0;
k=0;
m=1;
return;
}
}
if(m!=1)
cout<<"对不起，你所查找的信息不存在!"<<endl;
}
void output()
{
int i=0;
ifstream cfile("worker.txt",ios::nocreate);
while(cfile)
{
if( cfile.read((char *)&information,sizeof information))
{
information.display();
i++;
}
}
if(i!=0)
cout<<"一共有"<<i<<"个人员信息"<<endl;
else
cout<<"还没有输入此人信息"<<endl;
}
void select()//选择菜单函数
{
int ch;
do{
cin>>ch;
switch(ch)
{
case 0:
exit(0);
menu();
break;
case 1:
input();
menu();
break;
case 2:
search();
menu();
break;
case 3:
output();
menu();
break;
default :
menu();
cout<<"输入无效请重新输入(0======== 3)"<<endl;
break;
}
}while(1);
}
void main()
{
menu();
select();
}
㈧ 学生选课系统C语言程序
根据自己的需要，自己看着修改一下 ^^
#include<stdio.h>
#include<stdlib.h>
int N1,N2,kk1,kk2,kk3;
struct couse * head1;
struct student * head2;
struct couse//课程信息结构体
{
int num1;
char name1[20];
int score;
int nelepeo;//课程已选人数
int Melepeo;//课程人数上限
struct couse * next;
};
struct student//学生信息结构体
{
int num2;
char name2[20];
int nelenum[50];//已选课程编号
int nelen;//已选课程数量
struct student * next;
};
void Ms()
{
for(kk1=0;kk1<1100;kk1++)
for(kk2=0;kk2<1200;kk2++)
for(kk3=0;kk3<1200;kk3++);
}
void keyboardc()//录入课程子函数(从键盘录入)
{
struct couse *p1,*p2;
N1=0;
p1=p2=(struct couse*)malloc(sizeof(struct couse));
printf("课程编号\t课程名称\t学分\t课程人数上限\n");
scanf("%d%s%d%d",&p1->num1,p1->name1,&p1->score,&p1->Melepeo);
p1->nelepeo=0;
head1=NULL;
while(p1->num1!=0)
{
N1=N1+1;
if(N1==1)head1=p1;
else p2->next=p1;
p2=p1;
p1=(struct couse * )malloc(sizeof(struct couse));
scanf("%d%s%d%d",&p1->num1,p1->name1,&p1->score,&p1->Melepeo);
p1->nelepeo=0;
}
p2->next=NULL;
}
void filec()//录入键盘子函数(从文件录入)
{
FILE * fp;
char filepath[20];
struct couse *p1,*p2;
N1=0;
printf("输入要读入的文件路径:");
getchar();
gets(filepath);
if((fp=fopen(filepath,"r"))==NULL)
{
printf("找不到%s文件!\n",filepath);
exit(0);
}
p1=p2=(struct couse*)malloc(sizeof(struct couse));
fscanf(fp,"%d%s%d%d%d",&p1->num1,p1->name1,&p1->score,&p1->nelepeo,&p1->Melepeo);
head1=NULL;
while(!feof(fp))
{
N1=N1+1;
if(N1==1)head1=p1;
else p2->next=p1;
p2=p1;
p1=(struct couse * )malloc(sizeof(struct couse));
fscanf(fp,"%d%s%d%d%d",&p1->num1,p1->name1,&p1->score,&p1->nelepeo,&p1->Melepeo);
}
p2->next=NULL;
}
void inputc()//录入课程主函数
{
int i;
printf("\t\t\t录入课程信息\n");
printf("\n1.从键盘录入\n");
printf("2.从文件录入\n");
printf("3.返回主菜单\n");
printf("请选择(1~3):\n");
scanf("%d",&i);
switch(i)
{
case(1):keyboardc();break;
case(2):filec();break;
case(3):break;
}
}
void insertc(struct couse *incouse)//课程管理子函数(增加课程)
{
struct couse *p0,*p1,*p2;
p1=head1;
p0=incouse;
if(head1==NULL)
{
head1=p0;
p0->next=NULL;
}
else
{
while((p0->num1 > p1->num1) && (p1->next!=NULL))
{
p2=p1;
p1=p1->next;
}
if(p0->num1 <= p1->num1)
{
if(head1==p1) head1=p0;
else p2->next=p0;
p0->next=p1;
}
else
{
p1->next=p0;
p0->next=NULL;
}
}
N1=N1+1;
}
void delc(int num1)//课程管理子函数(删除课程)
{
struct couse *p1,*p2;
if(head1==NULL)
{
printf("\n没有课程,无法删除!\n");
goto end;
}
p1=head1;
while(num1!=p1->num1 && p1->next!=NULL)
{
p2=p1;
p1=p1->next;
}
if(num1==p1->num1)
{
if(p1==head1) head1=p1->next;
else p2->next=p1->next;
printf("已删除该编号课程!\n");
N1=N1-1;
}
else printf("无该编号的课程!\n");
end:;
}
void managementc()//课程管理主函数
{
struct couse * incouse;
int i,num1;
printf("\t\t\t课程管理\n");
printf("1.新增课程\n");
printf("2.删除课程\n");
printf("3.返回主菜单\n");
printf("请选择(1~3):\n");
scanf("%d",&i);
switch(i)
{
case(1):
{
incouse=(struct couse *)malloc(sizeof(struct couse));
printf("课程编号\t课程名称\t学分\t课程人数上限\n");
scanf("%d%s%d%d",&incouse->num1,incouse->name1,&incouse->score,&incouse->Melepeo);
incouse->nelepeo=0;
insertc(incouse);
break;
}
case(2):
{
printf("请输入要删除课程的编号:\n");
scanf("%d",&num1);
delc(num1);
break;
}
case(3):break;
}
}
void keyboards()//录入学生信息子函数（从键盘录入）
{
int i;
struct student *p1,*p2;
N2=0;
p1=p2=(struct student *)malloc(sizeof(struct student));
printf("学生学号\t学生姓名\n");
scanf("%d%s",&p1->num2,p1->name2);
p1->nelen=0;
for(i=0;i<20;i++) p1->nelenum[i]=0;
head2=NULL;
while(p1->num2!=0)
{
N2=N2+1;
if(N2==1)head2=p1;
else p2->next=p1;
p2=p1;
p1=(struct student * )malloc(sizeof(struct student));
scanf("%d%s",&p1->num2,p1->name2);
p1->nelen=0;
for(i=0;i<20;i++) p1->nelenum[i]=0;
}
p2->next=NULL;
}
void files()//录入学生信息子函数（从文件录入）
{
int i=0;
FILE * fp;
char filepath[20];
struct student *p1,*p2;
N2=0;
printf("输入要读入的文件路径:");
getchar();
gets(filepath);
if((fp=fopen(filepath,"r"))==NULL)
{
printf("找不到%s文件!\n",filepath);
exit(0);
}
p1=p2=(struct student*)malloc(sizeof(struct student));
fread(p1,sizeof(struct student),1,fp);
head2=NULL;
while(!feof(fp))
{
i=0;
N2=N2+1;
if(N2==1)head2=p1;
else p2->next=p1;
p2=p1;
p1=(struct student * )malloc(sizeof(struct student));
fread(p1,sizeof(struct student),1,fp);
}
p2->next=NULL;
}
void inputs()//录入学生信息主函数
{
int i;
printf("\t\t\t录入学生信息\n");
printf("\n1.从键盘录入\n");
printf("2.从文件录入\n");
printf("3.返回主菜单\n");
printf("请选择(1~3):\n");
scanf("%d",&i);
switch(i)
{
case(1):keyboards();break;
case(2):files();break;
case(3):break;
}
}
void inserts(struct student * incouse)//学生信息管理子函数(填加学生信息)
{
struct student *p0,*p1,*p2;
p1=head2;
p0=incouse;
if(head2==NULL)
{
head2=p0;
p0->next=NULL;
}
else
{
while((p0->num2 > p1->num2) && (p1->next!=NULL))
{
p2=p1;
p1=p1->next;
}
if(p0->num2 <= p1->num2)
{
if(head2==p1) head2=p0;
else p2->next=p0;
p0->next=p1;
}
else
{
p1->next=p0;
p0->next=NULL;
}
}
N2=N2+1;
}
void dels(int num2)//学生信息管理子函数（删除学生信息)
{
struct student *p1,*p2;
if(head2==NULL)
{
printf("\n没有该学生信息,无法删除!\n");
goto end;
}
p1=head2;
while(num2!=p1->num2 && p1->next!=NULL)
{
p2=p1;
p1=p1->next;
}
if(num2==p1->num2)
{
if(p1==head2) head2=p1->next;
else p2->next=p1->next;
printf("已删除该学生信息!\n");
N2=N2-1;
}
else printf("无该学号的学生!\n");
end:;
}
void managements()//学生信息管理主函数
{
struct student * incouse;
int i,num2;
printf("\t\t\t学生信息管理\n");
printf("1.新增学生信息\n");
printf("2.删除学生信息\n");
printf("3.返回主菜单\n");
printf("请选择(1~3):\n");
scanf("%d",&i);
switch(i)
{
case(1):
{
incouse=(struct student *)malloc(sizeof(struct student));
incouse->nelen=0;
incouse->nelenum[0]=0;
printf("学生学号\t学生姓名\n");
scanf("%d%s",&incouse->num2,incouse->name2);
inserts(incouse);
break;
}
case(2):
{
printf("请输入要删除学生的学号:\n");
scanf("%d",&num2);
dels(num2);
break;
}
case(3):break;
}
}
void elect(struct student * s)//选课
{
struct couse * p;
int num1,i;
printf("请输入要选课的编号:\n");
scanf("%d",&num1);
for(i=0;s->nelenum[i]!=0;i++);
s->nelenum[i]=num1;
(s->nelen)++;
p=head1;
while(p->num1!=num1) p=p->next;
(p->nelepeo)++;
}
void cheak()//学生选课子函数(查询可选课程)
{
char e;
struct couse * c;
struct student * s;
int num2,i,j=0,t=0;
printf("请输入你的学号:");
scanf("%d",&num2);
s=head2;
while(s->num2!=num2 && s->next!=NULL) s=s->next;
if(s->num2!=num2)
{
printf("不存在你的信息,请进入主菜单录入你的信息!\n");
goto end;
}
c=head1;
printf("你的可选课程编号:\n");
while(c!=NULL)
{
for(t=0,i=0;s->nelenum[i]!=0;i++)
{
if(c->num1==s->nelenum[i]) t=1;
}
if(t==0 && (c->nelepeo!=c->Melepeo))
{
printf("%d\n",c->num1);
j++;
}
c=c->next;
}
if(j==0)
{
printf("你已选完所有课程，无法再多选!\n");
goto end;
}
printf("选课(y/n)?:\n");
getchar();
e=getchar();
i=0;
while(e=='y')
{
elect(s);
printf("继续选课(y/n)?:\n");
getchar();
e=getchar();
}
end:;
}
void back(struct student * p)//退课
{
struct couse * p1;
int num1,i,j;
printf("请输入你要退掉的课程编号:\n");
scanf("%d",&num1);
p1=head1;
while(p1->num1!=num1) p1=p1->next;
for(i=0;p->nelenum[i]!=num1;i++);
for(j=i;p->nelenum[j]!=0;j++) p->nelenum[j]=p->nelenum[j+1];
p->nelenum[--j]=0;
(p1->nelepeo)--;
printf("退课成功!\n");
}
void hcheak()//学生选课子函数（查询已选课程)
{
char c;
struct couse * p0;
struct student * p;
int num2,i,f=0;
printf("请输入学号:\n");
scanf("%d",&num2);
p=head2;
while(p->num2!=num2 && p!=NULL) p=p->next;
if(p==NULL)
{
printf("不存在你的信息,请回主菜单录入信息:\n");
goto end;
}
printf("已选课程编号:\n");
if(p->nelenum[0]==0)
{
printf("你还没选课!\n");
goto end;
}
for(i=0;p->nelenum[i]!=0;i++)
{
printf("%d\n",p->nelenum[i]);
p0=head1;
while(p0->num1!=p->nelenum[i]) p0=p0->next;
f=f+p0->score;
}
printf("总学分:%d\n",f);
printf("是否进行退课(y/n)?");
getchar();
c=getchar();
while(c=='y')
{
back(p);
printf("继续退课(y/n)?");
getchar();
c=getchar();
(p->nelen)--;
}
end:;
}
void elective()//学生选课主函数
{
int i;
printf("\t\t\t学生选课\n");
printf("1.查询可选课程\n");
printf("2.查询已选课程\n");
printf("3.返回主菜单\n");
printf("请输入(1~3):\n");
scanf("%d",&i);
switch(i)
{
case(1):cheak();break;
case(2):hcheak();break;
case(3):break;
}
}
void listc()//输出课程信息
{
struct couse * p;
p=head1;
printf("课程编号 课程名称 学分 课程已选人数 课程人数上限\n");
while(p!=NULL)
{
printf("%-8d%10s%6d%8d%12d\n",p->num1,p->name1,p->score,p->nelepeo,p->Melepeo);
p=p->next;
}
}
void lists()//输出学生信息
{
struct student * p;
p=head2;
printf("学生学号 学生姓名 已选课程数量\n");
while(p!=NULL)
{
printf("%-4d %10s %6d\n",p->num2,p->name2,p->nelen);
p=p->next;
}
}
void intoc()//存储课程信息
{
FILE * fp;
struct couse * p;
char filepath[30];
printf("输入课程信息要保存的文件路径:");
getchar();
gets(filepath);
if((fp=fopen(filepath,"w"))==NULL)
{
printf("\n保存失败!");
exit(0);
}
p=head1;
while(p!=NULL)
{
fprintf(fp,"%d %s %d %d %d\n",p->num1,p->name1,p->score,p->nelepeo,p->Melepeo);
p=p->next;
}
fclose(fp);
printf("课程信息已保存在%s中!\n",filepath);
}
void intos()//存储学生信息
{
FILE * fp;
struct student * p;
char filepath[30];
printf("输入学生信息要保存的文件路径:");
getchar();
gets(filepath);
if((fp=fopen(filepath,"w"))==NULL)
{
printf("\n保存失败!");
exit(0);
}
p=head2;
while(p!=NULL)
{
fwrite(p,sizeof(struct student),1,fp);
p=p->next;
}
fclose(fp);
printf("学生信息已保存在%s中!\n",filepath);
}
void into()//存储信息
{
int i;
printf("1.存储课程信息\n");
printf("2.存储学生信息\n");
printf("3.返回主菜单\n");
printf("请输入(1~3)\n");
scanf("%d",&i);
switch(i)
{
case(1):intoc();break;
case(2):intos();break;
case(3):break;
}
}
void store()//信息主函数
{
int i;
printf("\t\t系统信息查看及存储\n");
printf("1.查看课程信息\n");
printf("2.查看学生信息\n");
printf("3.存储信息\n");
printf("4.返回主菜单\n");
printf("请输入(1~4):\n");
scanf("%d",&i);
switch(i)
{
case(1):listc();break;
case(2):lists();break;
case(3):into();break;
case(4):break;
}
}
int main()//主函数
{
int i;
start:
printf("\n\t\t\t欢迎使用学生选课系统!\n");
printf("菜单:\n");
printf("1.录入课程信息\n");
printf("2.课程管理\n");
printf("3.录入学生信息\n");
printf("4.学生信息管理\n");
printf("5.学生选课\n");
printf("6.系统信息查看及存储\n");
printf("7.退出系统\n");
printf("\n请输入菜单选项(1~7):\n");
scanf("%d",&i);
if(i<1 || i>7)
{
printf("输入错误,请重输:\n");
goto start;
}
switch(i)
{
case(1):
{
system("cls");
inputc();
goto start;
break;
}
case(2):
{
system("cls");
managementc();
goto start;
break;
}
case(3):
{
system("cls");
inputs();
goto start;
break;
}
case(4):
{
system("cls");
managements();
goto start;
break;
}
case(5):
{
system("cls");
elective();
goto start;
break;
}
case(6):
{
system("cls");
store();
goto start;
break;
}
case(7):
{
system("cls");
printf("感谢使用本系统!\n\n再见!\n");
}
}
return(0);
}
㈨ C语言学生选修课系统
//7《学生选修课程系统》设计任务
//（1）输入功能：输入30名学生学号、班级、姓名、选修课名称。
//（2）设置要求：每个学生至少选修3科，总选修科目至少设置15科。
//（3）查询功能：按学号、姓名、选修课显示各选修课上课时间和地点。
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<malloc.h>
typedef struct subjects
{
int num;
char na[10];
char teacher[20];
char wtime[10];
char ttime[10];
int score;
struct subjects *next;
}SUB;
SUB *create_form()
{
SUB *head,*tail,*p;
int num,score;
char na[10],teacher[20],wtime[10],ttime[10];
head=tail=NULL;
printf(" 输入选课程信息，以6个0结束：\n");
printf(" 课程代码 课名 任教老师 上课星期 上课时间 学分\n");
scanf("%d%10s%14s%10s%8s%6d",&num,&na,&teacher,&wtime,&ttime,&score);
while(num!=0)
{
p=(SUB*)malloc(sizeof(SUB));
p->num;
strcpy(p->na,na);
strcpy(p->teacher,teacher);
strcpy(p->wtime,wtime);
strcpy(p->ttime,ttime);
p->score=score;
if(head==NULL)
head=p;
else
tail->next=p;
tail=p;
scanf("%d%s%s%s%s%d",&num,&na,&teacher,&wtime,&ttime,&score);
}
tail->next=NULL;
return head;
}
void savefile(SUB*head)
{
SUB *p;
FILE *fp;
fp=fopen("subjects.txt","w");
fprintf(fp,"欢迎进入东华理工大学2008-2009学年选修课系统（4-13）\n");
fprintf(fp,"课程代码 课名 任教老师 上课星期 上课时间 学分\n");
for(p=head;p;p->next)
fprintf(fp,"%6d%10s%14s%10s%8s%6d",p->num,p->na,p->teacher,p->wtime,p->ttime,p->score);
fclose(fp);
}
void prin(SUB *head)
{
SUB *p;
if (head==NULL)
{
printf("没有选修课程记录！\n");
return;
}
printf("欢迎进入东华理工大学2008-2009学年选修课系统（4-13）\n");
printf("课程代码 课名 任教老师 上课星期 上课时间 学分\n");
for(p=head;p;p->next)
printf("%6d%10s%16s%12s%12s%d",p->num,p->na,p->teacher,p->wtime,p->ttime,p->score);
}
SUB *inset(SUB *head)
{
SUB *ptr,*ptr2,*subj;
char ch, ch1;
printf("是否进行插入课程，如果需要插入请按回车建，不进行按空格结束！\n");
ch=getchar();
while(ch!=' '){
subj=(SUB*)malloc(sizeof(SUB));
ptr=subj;
printf(" 输入要插入的课程信息：\n");
scanf("%d%s%s%s%s%d",subj->num,subj->na,subj->teacher,subj->wtime,subj->ttime,subj->score);
if(head==NULL){
head=ptr;
head->next=NULL;
}
else{
for(ptr2=head;ptr2;ptr2=ptr2->next)
if(ptr2->next==NULL){
ptr2->next=subj;
subj->next=NULL;
break;
}
ch='a';
}
printf("继续请按回车建，结束请按空格：\n");
ch1=getchar();
ch=getchar();
}
return head;
}
SUB *del(SUB *head)
{
SUB*p1,*p2;
char ch,ch1;
int num;
printf("是否进行课程删除，要删除请按回车键，不进行请按空格：\n");
ch=getchar();
while(ch!=' ')
{
printf("输入要删除的课程代码：\n");
scanf("%d",&num);
if(head->num==num){
p2=head;
head=head->next;
free(p2);
}
if(head==NULL)
return NULL;
p1=head;
p2=head->next;
while(p2!=NULL){
if(p2->num==num){
p1->next=p2->next;
free(p2);
}
else
p1=p2;
p2=p1->next;
}
printf("继续删除请按回车键，结束请按空格：\n");
ch1=getchar();
ch=getchar();
}
return head;
}
typedef struct student
{
int number;
int classes;
char chinesename[16];
char title [5][12];
struct student *other;
}STU;
void scanf_form(SUB *head)
{
int i,count,number,classes;
char ch,title[3][12],chinesename[16];
scanf("%d%d%16s",&number,&classes,&chinesename);
for(i=0;i<5;i++)
{
scanf("%s",&title[i]);
count++;
if(count==3)
{
ch=getchar();
if(ch!=' ')
{title[3][12]='0';
title[4][12]='0';
i=5;
ch='a';
}
}
if(count==4)
{
ch=getchar();
if(ch!=' ')
{title[4][12]='0';
i=5;
ch='a';
}
}
for(i=0;i<5;i++)
{
if(strcmp(title[i][12],head->na)!=0 && title[i][12]!='0')
{ printf("你输入的课程名不正确，请从新输入：\n");
scanf_form();
}
}
}
}
STU *study_form(SUB*head)
{
STU *hand,*tall,*q;
int i;
char ch,ch1;
hand=tall=NULL;
printf("输入你个人信息，及选修的课名，以4个0结束：\n");
printf("注：每个学生至少选修3门课，大于3门时按回车键继续，空格结束：\n");
scanf_form();
while(number!=0)
{
q=(STU*)malloc(sizeof(STU));
q->number=number;
q->classes=classes;
strcpy(p->chinesename,chinesename);
for(i=0;i<5;i++)
strcpy(p->title[i],title[i][12]);
if(hand=NULL)
hand=q;
else
tall->other=q;
tall=q;
scanf_form();
for(i=0;i<5;i++)
{
if(strcmp(title[i][12],head->na)!=0&&titli[i][12]!='0')
{ printf("你输入的课程名不正确，请从新输入：\n");
scanf_form();
}
}
tall->other=NULL;
return hand;
}
}
void savefiles(STU*hand)
{
STU *q;
FILE *fq;
fq=fopen("studennt.txt","w");
fprintf(fq, "学生选课信息表：\n");
for(q=hand;q;q=q->other)
fprintf(fq,"%16d%10d%16s%16s%16s%16s%16s%16s",q->number,q->classes,q->chinesename,q->title[0],q->title[1],q->title[2],q->title[3],q->title[4]);
fclose(fq);
}
void prins(STU*hand)
{
STU *q;
if(head==NULL)
{
printf("没有学生选课信息记录！\n");
return;
}
printf("学生选课信息一览表：\n");
printf("学号 班级 姓名 课名 ：\n");
for(q=hand;q;q->number)
printf("%16d%10d%16s%16s%16s%16s%16s%16s",q->number,q->classes,q->chinesename,q->title[0],q->title[1],q->title[2],q->title[3],q->title[4]);
}
STU *intserts(SUB*head,STU *hand)
{
STU *prt,*prt2,*stuj;
int i;
char ch,ch1;
printf("是否要进行插入学生选课信息，如果需要请按回车建，结束请按0：\n");
ch=getchar();
while(ch!=' ')
{
stuj=(STU*)malloc(sizeof(STU));
prt=stuj;
printf("输入要插入的学生选课信息：\n");
scanf_form();
if(hand==NULL)
{hand=prt;
hand->other=NULL;
}
else
{for(prt2=hand;prt2;prt2=prt2->other)
if(prt2->other==NULL)
{prt2->other=stuj;
stuj->other=NULL;
break;
}
ch='a';
}
printf("继续插入请按回车建，结束请按空格：\n");
ch1=getchar();
ch=getchar();
}
return hand;
}
STU *dells(STU *hand)
{
STU *q1,*q2;
char ch,ch1;
int number;
printf("是否进行学生选课信息删除，要删除请按回车建，不进行请按空格：\n");
ch=getchar();
while(ch!=' ')
{
printf("输入要删除的学号：\n");
scanf("%d",&number);
if(hand->number==number)
{
q2=hand;
hand=hand->other;
free(q2);
}
if(hand=NULL)
return NULL;
q1=hand;
q2=hand->other;
while(q2)
{if(q2->number==number)
{q1->other=q2->other;
free(q2);
}
else
q1=q2;
q2=q1->other;
}
printf("继续删除请按回车建，结束请按空格：\n");
ch1=getchar();
ch1=getchar();
}
return hand;
}
void search(STU*hand)
{
int a,number;
int t=1;
char type[10],ch,ch1;
STU *prt;
printf("是否进入查询，按回车键进入，空格结束:\n");
ch=getchar();
while(ch!=' ')
{
printf("请输入要查询的学号：\n");
for(prt=hand;prt;prt=prt->other)
{
if(number=prt->number)
{printf("%16d%10d%16s%16s%16s%16s%16s%16s",prt->number,prt->classes,prt->chinesename,prt->title[0],prt->title[1],prt->title[2],prt->title[3],prt->title[4]);
t=0;
}
if(t!=0)
printf("未找到！\n");
t=1;
}
printf("继续查找请按回车键，结束请按空格键：\n");
ch1=getchar();
ch=getchar();
}
}
void main()
{
SUB *head=create_form() ;
savefile(head);
prin(head);
head= inset(head);
head= del(head);
STU *hand=study_form(head);
savefiles(hand);
prins(hand);
hand=intserts(head,hand);
hand=dells(hand);
search(hand);
}