数据结构学生成绩管理系统
① 数据结构（学生成绩管理系统）
http://wenku..com/view/dc69e8ef5ef7ba0d4a733bff.html
② 数据结构写学生成绩管理系统
#include "stdio.h"
#include "stdlib.h"
#include "string.h"
#include "windows.h"
int shoudsave=0; /* */
struct student
{
char num[10];/* 学号 */
char name[20];
char sex[4];
int cgrade;
int mgrade;
int egrade;
int totle;
③ 数据结构课程设计--学生成绩管理系统
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④ 学生数据结构成绩管理系统
要用什么软件实现的？
⑤ 学生成绩管理系统数据结构
#include<stdio.h>
#include<stdlib.h>
int Shu;
typedef struct student
{
int num;
float mgar,cgar,egar;
float zong,ping;
}stu;
typedef struct node
{
stu xue;
struct node *next;
} LNode,*LinkList;
LinkList InitLinkList()
{
LinkList L;
L=(LinkList)malloc(sizeof(LNode));
L->next=NULL;
return L;
}
LinkList CreateTail() //尾插法，带头结点
{
LinkList L;
LNode *s,*r;
int i,x;
float m,c,e;
L=InitLinkList();
r=L;
x=0;
printf("输入学生信息的个数：");
scanf("%d",&Shu);
printf("学号 数学 语文 英语\n");
while(x<Shu)
{
s=(LNode *)malloc(sizeof(LNode));
scanf("%d",&i);
s->xue.num=i;
scanf("%f",&m);
s->xue.mgar=m;
scanf("%f",&c);
s->xue.cgar=c;
scanf("%f",&e);
s->xue.egar=e;
s->xue.zong=m+c+e;
s->xue.ping=(m+c+e)/3;
s->next=NULL;
r->next=s;
r=s;
x++;
}
return (L);
}
void prn(LinkList L)
{
LNode *p;
p=L->next;
printf("\n学号 数学 语文 英语 平均成绩 总成绩\n");
while (p!=NULL)
{
printf("%d %0.2f %0.2f %0.2f %0.2f %0.2f\n",p->xue.num,p->xue.mgar,p->xue.cgar,p->xue.egar,p->xue.ping,p->xue.zong);
p=p->next;
}
printf("\n");
}
void prn1(LinkList L)
{
LNode *p;
int x,y;
p=L->next;
printf("请输入要查询的学生学号:");
scanf("%d",&x);
while(p)
{
if(x==p->xue.num )
{
y=1;
printf("\n学号 数学 语文 英语 平均成绩 总成绩\n");
printf("%d %0.2f %0.2f %0.2f %0.2f %0.2f\n",p->xue.num,p->xue.mgar,p->xue.cgar,p->xue.egar,p->xue.ping,p->xue.zong);
}
p=p->next;
}
if(y!=1)
printf("不存在该学生\n");
}
void xs(LinkList L)
{
LNode *p;
p=L->next;
float x,y;
printf("输入要查询的数学成绩范围：");
scanf("%f",&x);
scanf("%f",&y);
while(p)
{
if(p->xue.mgar>=x && p->xue.mgar<=y)
{printf("\n学号 数学 语文 英语 平均成绩 总成绩\n");
printf("%d %0.2f %0.2f %0.2f %0.2f %0.2f\n",p->xue.num,p->xue.mgar,p->xue.cgar,p->xue.egar,p->xue.ping,p->xue.zong);
}
p=p->next;
}
}
void ren(LinkList L)
{
LNode *p;
float m,c,e,j;
int i=0;
m=0;c=0;e=0;j=0;
p=L->next;
while(p)
{
m=m+p->xue.mgar;
c=c+p->xue.cgar;
e=e+p->xue.egar;
j=j+p->xue.ping;
p=p->next;
i++;
}
printf("班级平均成绩\n");
printf("数学 语文 英语 总平均成绩 总人数\n");
printf("%0.2f %0.2f %0.2f %0.2f %d",m/i,c/i,e/i,j/i,i);
}
void del(LinkList L)
{
int x;
LNode *p,*q;
p=L->next;
q=L;
printf("请输入要删除的学生学号：");
scanf("%d",&x);
while(p)
{
if(p->xue.num==x)
{
q->next=p->next;
break;
}
else
{
p=p->next;
q=q->next;
}
}
Shu--;
}
LinkList add(LinkList L)
{
LNode *s;
int n,i,x;
float m,c,e;
i=0;
printf("请输入要添加的学生信息的人数：");
scanf("%d",&x);
printf("\n学号 数学 语文 英语 \n");
while(i<x)
{
s=(LinkList)malloc(sizeof(LNode));
scanf("%d",&n);
s->xue.num=n;
scanf("%f",&m);
s->xue.mgar=m;
scanf("%f",&c);
s->xue.cgar=c;
scanf("%f",&e);
s->xue.egar=e;
s->xue.zong=m+c+e;
s->xue.ping=(m+c+e)/3;
s->next=L->next;
L->next=s;
i++;
Shu++;
}
return L;
}
LinkList pxm(LinkList L)
{
printf("按数学成绩排名：");
int i;
LNode *p,*q,*a;
for(i=0;i<Shu;i++)
{
p=L->next;
q=p->next;
while(q)
{
if(p->xue.mgar<=q->xue.mgar)
{
p->next=q->next;
q->next=L->next;
L->next=q;
a=p;
p=q;
q=a;
}
p=p->next;
q=q->next;
}
}
prn(L);
}
void cd()
{
printf("\t\t\t1、输入学生信息\n");
printf("\t\t\t2、查询学生学号信息\n");
printf("\t\t\t3、查询学生成绩信息\n");
printf("\t\t\t4、班级平均成绩及人数\n");
printf("\t\t\t5、删除学生成绩\n");
printf("\t\t\t6、增加学生成绩\n");
printf("\t\t\t7、学生信息排序\n"); //按数学成绩排名
printf("\t请先进行操作1，按数字8可显示全部信息，再进行其他操作\n");
printf("请输入选项：");
}
int main()
{
int i;
LinkList L;
do
{
cd();
scanf("%d",&i);
switch(i)
{
case 1:
{
system("cls");
L=CreateTail();
prn(L);break;}
case 2:
{
system("cls");
prn1(L);
break;
}
case 3:
{
system("cls");
xs(L);break;
}
case 4:
{
system("cls");
ren(L);break;
}
case 5:
{
system("cls");
del(L);break;
}
case 6:
{
system("cls");
add(L);
prn(L); break;
}
case 7:
{
system("cls");
pxm(L); break;
}
case 8:
{
prn(L);break;
}
}}while(i<=8 && i>=1);
}
希望对你能有所帮助。
⑥ 用数据结构做 学生信息管理系统
#include <stdio.h>
#include<malloc.h>
#define NULL 0
#define LEN sizeof(struct student)
struct student
{
long num;
float score;
struct student *next;
};
int n;
struct student *creat()
{
struct student *head;
struct student *p1,*p2;
n=0;
p1=p2=(struct student*) malloc(LEN);
scanf("%ld,%f",&p1->num,&p1->score);
head=NULL;
while(p1->num!=0)
{
n=n+1;
if(n==1)head=p1;
else p2->next=p1;
p2=p1;
p1=(struct student*)malloc(LEN);
scanf("%ld,%f",&p1->num,&p1->score);
}
p2->next=NULL;
return(head);
}
void print(struct student *head)
{
struct student *p;
printf("\nNow, these %d records are:\n",n);
p=head;
if(head!=NULL)
do
{
printf("%ld%5.1f\n",p->num,p->score);
p=p->next;
}while(p!=NULL);
}
struct student *del(struct student *head,long num)
{
struct student *p1,*p2;
if (head==NULL) {printf("\nlist null!\n");
}
p1=head;
while(num!=p1->num && p1->next!=NULL)
{
p2=p1;p1=p1->next;
}
if(num==p1->num)
{
if(p1==head)head=p1->next;
else p2->next=p1->next;
printf("delete:%ld\n",num);
n=n-1;
}
else printf("%ld not been found!\n",num);
return(head);
}
struct student *insert(struct student *head,struct student *stud)
{
struct student *p0,*p1,*p2;
p1=head;
p0=stud;
if(head==NULL)
{
head=p0;p0->next=NULL;
}
else
{
while((p0->num>p1->num) && (p1->next!=NULL))
{
p2=p1;
p1=p1->next;
}
if(p0->num<=p1->num)
{
if(head==p1) head=p0;
else p2->next=p0;
p0->next=p1;
}
else
{
p1->next=p0;p0->next=NULL;
}
}
n=n+1;
return(head);
}
void main()
{
while(1)
{
struct student *head,stu;
long del_num;
printf("intput records:\n");
head=creat();
print(head);
printf("\ninput the deleted number:");
scanf("%ld",&del_num);
head=del(head,del_num);
print(head);
printf("\ninput the inserted record:");
scanf("%ld,%f",&stu.num,&stu.score);
head=insert(head,&stu);
print(head);
}
}
⑦ 数据结构链表c语言建立学生成绩管理系统
#include<stdio.h>
#include<memory.h>
#include<stdlib.h>
#include<string.h>
typedefstructdata{
intnumber;
charname[20];
charid[20];
doublescore[3];
}dataType;
typedefstructlist{
dataTypepauline;
structlist*next;
}*LinkList,*pNode,Node;
void*getMemory(size_tsize){
returnmalloc(size);
}
LinkListgetEmptyList(){
LinkListhead=(pNode)getMemory(sizeof(Node));
memset(head,0,sizeof(Node));
returnhead;
}
intaddNode(LinkListhead,pNodepnode){
pNodeq;
for(q=head;q->next;q=q->next)
if(q->next->pauline.number==pnode->pauline.number){
printf("重复的学号:%d ",pnode->pauline.number);
return0;
}
q->next=pnode;
pnode->next=NULL;
return1;
}
//按学号升排序
voidsortNumber(LinkListhead){
pNodep,q,pt,qt;
p=head;
while(p->next){
qt=p;
q=p->next;
while(q->next){
if(qt->next->pauline.number>q->next->pauline.number)
qt=q;
q=q->next;
}
if(qt!=p){
pt=p->next;
p->next=qt->next;
qt->next=qt->next->next;
p->next->next=pt;
}
p=p->next;
}
}
//按第th门成绩降排序,th=1,2,3
voidsortScore(LinkListhead,intth){
pNodep,q,pt,qt;
inti;
if(th<1||th>3)return;
i=th-1;
for(p=head;p->next;p=p->next){
qt=p;
q=p->next;
while(q->next){
if(qt->next->pauline.score[i]<q->next->pauline.score[i])
qt=q;
q=q->next;
}
if(qt!=p){
pt=p->next;
p->next=qt->next;
qt->next=qt->next->next;
p->next->next=pt;
}
}
}
voidshow(LinkListhead){
pNodep;
for(p=head->next;p;p=p->next ){
printf("%d %s %s %.2lf %.2lf %.2lf ",
p->pauline.number,p->pauline.name,p->pauline.id,
p->pauline.score[0],p->pauline.score[1],p->pauline.score[2]);
}
}
pNodereadData(){
pNodepnode=(pNode)getMemory(sizeof(Node));
inti;
printf("学号:");
scanf("%d",&pnode->pauline.number);
printf("姓名:");
scanf("%s",pnode->pauline.name);
printf("身份证:");
scanf("%s",pnode->pauline.id);
for(i=0;i<3;++i){
printf("第%d门成绩:",i+1);
scanf("%lf",&pnode->pauline.score[i]);
}
returnpnode;
}
voidmenu(){
printf("******************************** ");
printf("******学生成绩管理系统****** ");
printf("******************************** ");
printf("*1、添加学生信息* ");
printf("*2、显示学生信息* ");
printf("*3、按学号排序* ");
printf("*4、按成绩排序* ");
printf("******************************** ");
printf("*0、退出* ");
printf("******************************** ");
}
intmain(){
charop[20];
intselect;
LinkListhead=getEmptyList();
do{
menu();
printf("请选择:");
fflush(stdin);
fgets(op,20,stdin);
fflush(stdin);
switch(op[0]-'0'){
case1:addNode(head,readData());break;
case2:show(head);break;
case3:sortNumber(head);break;
case4:printf("按第几门功课排序；");
scanf("%d",&select);
sortScore(head,select);
break;
}
}while(op[0]-'0');
printf("END ");
return0;
}
⑧ 数据结构学生管理系统
#include <iostream>
#include <string>
#include <fstream>
#include <ctime>
using namespace std;
class student
{
private:
long int stu_num; //学号，宿舍号
long int stu_grade;
char stu_name[40]; //姓名
char class_name[40]; //班别
char house_name[20]; //宿舍
public:
student()
{
stu_num=0;
stu_grade=0;
stu_name[0] =0;
class_name[0] =0;
house_name[0] =0;
}
student(long a, long e, char * b,char *c,char *d)
{
Setdata(a , e , b , c, d);
}
char * Getstuname(void) //姓名查找
{
return stu_name ;
}
long Getstunum(void) //学号查找
{
return stu_num;
}
char * Gethousename(void) //宿舍号查找
{
return house_name;
}
char * Getclassname(void) //按班级查找
{
return class_name;
}
void Setdata(long a, long e, char *b,char *c,char *d)
{
stu_num = a;
stu_grade = e;
strcpy(stu_name, b);
strcpy(class_name, c);
strcpy(house_name, d);
}
void Show(void)
{
cout<<"学号:"<<stu_num<<"\t"<<"姓名:"<<stu_name<<"\t";
cout<<"数学成绩："<<stu_grade<<"\t";
cout<<"语文成绩："<<stu_grade<<"\t";
cout<<"班级:"<<class_name<<"\t\t"<<"宿舍:"<<house_name<<"\n";
}
};
void main(void)
{
student s1;
int flags=0;
long stu_num; //学号
long stu_grade;
char stu_name[40]; //姓名
char class_name[40]; //班级
char house_name[20]; //宿舍
time_t t;
time(&t);
ifstream file1;
ofstream file3;
char flag = 'y';
cout<< "---------------------------------学生管理系统-------------------------------"<<endl;
cout<< "\t\t\t 时间:" << ctime(&t);
while( flag=='y' || flag=='Y')
{ //由flag控制循环
cout<<"--------------------------------------------------------------------------------\n";
cout<<"\t\t 1:输入学生信息!\n";
cout<<"\t\t 2:按学号查看学生信息!\n";
cout<<"\t\t 3:按宿舍号查看学生信息!\n";
cout<<"\t\t 4:按姓名查看学生信息!\n";
cout<<"\t\t 5:按班级查看学生信息!\n";
cout<<"\t\t 6:显示全部学生信息\n";
cout<<"\t\t 7:按学号修改学生信息\n";
cout<<"\t\t 8:按学号删除学生信息!\n";
cout<<"--------------------------------------------------------------------------------\n";
cout<<"请输入选择：";
char choice;
cin>>choice;
switch(choice)
{
case '1':
file3.open("c:\\stu.dat",ios::app|ios::binary);
input: flags=0;
cout<<"输入学号：";
cin>>stu_num;
while (stu_num<100000 || stu_num>999999)
{
cin.clear();
rewind(stdin);
cout << "你输入的学号不正确，请输入一个六位数的学号" << endl;
cout << "学号:";
cin >> stu_num;
}
cout<<"输入数学成绩：";
cin>>stu_grade;
while (stu_grade<0 || stu_grade>100)
{
cin.clear();
rewind(stdin);
cout << "你输入的成绩不符合格式，请重新输入百分制的成绩" << endl;
cout << "成绩：";
cin >> stu_grade;
}
cout<<"输入语文成绩：";
cin>>stu_grade;
while (stu_grade<0 || stu_grade>100)
{
cin.clear();
rewind(stdin);
cout << "你输入的成绩不符合格式，请重新输入百分制的成绩" << endl;
cout << "成绩：";
cin >> stu_grade;
}
file1.open("c:\\stu.dat",ios::in | ios::binary | ios::beg);//按读方式打开文件
while(!file1.eof())
{
int n;
file1.read((char *)&s1,sizeof(student));
n=file1.gcount();
if(n==sizeof(student))
{
if(s1.Getstunum()==stu_num)
flags=1;
}
}
file1.clear();
file1.close();
if (flags==1)
{
cin.clear();
cout << "学号重复,请重输入!" << endl;
goto input;
}
cout<<"输入姓名："; cin>>stu_name;
cout<<"输入班级："; cin>>class_name;
cout<<"输入宿舍："; cin>>house_name;
s1.Setdata(stu_num,stu_grade,stu_name,class_name,house_name);
file3.write((char*)&s1,sizeof(s1));
file3.clear();
file3.close();
break;
case '2': //按学号查找
cout<<"请输入学生的学号：";
cin>>stu_num;
while (stu_num<100000 || stu_num>999999)
{
cin.clear();
rewind(stdin);
cout << "你输入的学号不正确，请输入一个六位数的学号" << endl;
cout << "学号:";
cin >> stu_num;
}
file1.open("c:\\stu.dat",ios::in | ios::binary | ios::beg);//按读方式打开文件
while(!file1.eof())
{
int n;
file1.read((char *)&s1,sizeof(student));
n=file1.gcount();
if(n==sizeof(student))
{
if(s1.Getstunum()==stu_num) //显示学生信息
{
s1.Show();
flags=1;
}
}
}
file1.clear();
file1.close();
if (flags==0)
cout << "没有找学号为："<< stu_num <<"的学生记录!" << endl;
flags=0;
break;
case '3': //按宿舍号查找
cout<<"请输入宿舍号:";
cin>>house_name;
file1.open("c:\\stu.dat",ios::in | ios::binary | ios::beg);//按读方式打开文件
while(!file1.eof())
{
int n;
file1.read((char *)&s1,sizeof(student));
n=file1.gcount();
if(n==sizeof(student))
{
if(strcmp(s1.Gethousename(),house_name)==0)
{
s1.Show();
flags=1;
}
}
}
file1.clear();
file1.close();
if (flags==0)
cout << "没有找到宿舍为:"<< house_name <<"的学生记录!" << endl;
flags=0;
break;
case '4': //按姓名查找
cout<<"请输入学生姓名:";
cin>>stu_name;
file1.open("c:\\stu.dat",ios::in | ios::binary | ios::beg);//按读方式打开文件
while(!file1.eof())
{
int n;
file1.read((char *)&s1,sizeof(student));
n=file1.gcount();
if(n==sizeof(student))
{
if(strcmp(s1. Getstuname(),stu_name)==0)
{
s1.Show();
flags=1;
}
}
}
file1.clear();
file1.close();
if (flags==0)
cout << "没有找到姓名为:"<< stu_name <<"的学生记录!" << endl;
flags=0;
break;
case '5': //按班级查找
cout<<"请输入班级名称:";
cin>>class_name;
file1.open("c:\\stu.dat",ios::in | ios::binary | ios::beg);//按读方式打开文件
while(!file1.eof())
{
int n;
file1.read((char *)&s1,sizeof(student));
n=file1.gcount();
if(n==sizeof(student))
{
if(strcmp(s1. Getclassname(),class_name)==0)
{
s1.Show();
flags=1;
}
}
}
file1.clear();
file1.close();
if (flags==0)
cout << "没有找到该班级为:"<< class_name <<"的学生记录!" << endl;
flags=0;
break;
case '6': //显示全部学生信息
file1.open("c:\\stu.dat",ios::in | ios::binary);//按读方式打开文件
while(!file1.eof())
{
int n;
file1.read((char *)&s1,sizeof(student));
n=file1.gcount();
if(n==sizeof(student))
{
s1.Show();
flags=1;
}
}
file1.clear();
file1.close();
if (flags==0)
cout << "数据库没有记录!" << endl;
flags=0;
break;
case '7': //修改学生信息按学号
flags=0;
cout<<"请输入要修改学生的学号:";
cin>>stu_num;
while (stu_num<100000 || stu_num>999999)
{
cin.clear();
rewind(stdin);
cout << "你输入的学号不正确，请输入一个六位数的学号" << endl;
cout << "学号:";
cin >> stu_num;
}
file1.open("c:\\stu.dat",ios::in | ios::binary | ios::beg);//按读方式打开文件
while(!file1.eof())
{
int n;
file1.read((char *)&s1,sizeof(student));
n=file1.gcount();
if(n==sizeof(student))
{
if(s1.Getstunum()==stu_num)
{
file3.open("c:\\stu.dat",ios::out|ios::binary);
cout<<"输入姓名："; cin>>stu_name;
cout<<"输入班级："; cin>>class_name;
cout<<"输入宿舍："; cin>>house_name;
s1.Setdata(stu_num,stu_grade,stu_name,class_name,house_name);
file3.write((char*)&s1,sizeof(s1));
file3.close();
flags=1;
}
}
}
file1.clear();
file1.close();
if (flags==0)
{
cout << "没有此学生记录，不能进行修改！" << endl;
break;
}
break;
case '8': //删除学生信息按学号
flags=0;
cout<<"请输入要删除学生的学号:";
cin>>stu_num;
while (stu_num<100000 || stu_num>999999)
{
cin.clear();
rewind(stdin);
cout << "你输入的学号不正确，请输入一个六位数的学号" << endl;
cout << "学号:";
cin >> stu_num;
}
cout<<"删除成功！"<<endl;
default: flag = 'n';
break;
}
}
cout << "谢谢您的使用!" << endl;
}
⑨ 数据结构课程设计 学生成绩管理系统
标准答案给了