C++实现学生选课管理系统

#include <iostream>
#include "class.h"
#include "student.h"
using namespace std;
int main()
{
course A;   
student B[10];  //10个学生
int stucnt=0;   
int dengluflag=-1;
while (1)
{
int SW;
cout << "欢迎来到选课系统,请选择编号进行操作" << endl;
cout << "1.注册账号" << endl;
cout << "2.登陆已有账号" << endl;
cin >> SW;
switch (SW)
{
case 1:
char temp[20];
cout << "请输入注册学号账号" << endl;
scanf("%s", temp);
B[stucnt].setxuehao(temp);
cout << "请输入登陆验证密码" << endl;
scanf("%s", temp);
B[stucnt].setyanz(temp);
cout << "注册成功,注册信息如下" << endl;
B[stucnt].checkC();
stucnt++;
system("pause");
break;
case 2:
char temp1[10];
cout << "请输入学号账号" << endl;
scanf("%s", temp);
go1:cout << "请输入登陆验证密码" << endl;
scanf("%s", temp1);
for (int i = 0; i < stucnt; i++)
{
if (B[i].xuehaopipei(temp) == true)
{
if (B[i].yanzpipei(temp1) == true)
{
cout << "登陆成功" << endl;
dengluflag = i;
}
else
{
cout << "验证密码错误，重试" << endl;
goto go1;
}
}
}
if (dengluflag < 0)cout << "学号不存在" << endl;
system("pause");
break;
default:
break;
}
if(dengluflag>=0)
while (1)
{
system("cls");
int SW1=0;
cout << "欢迎登陆，请选择功能编号" << endl;
cout << "1.课程信息录入" << endl;
cout << "2.课程信息修改" << endl;
cout << "3.课程信息删除" << endl;
cout << "4.课程信息浏览" << endl;
cout << "5.开始选课" << endl;
cout << "6.选课结果查询" << endl;
cin >> SW1;
switch (SW1)
{
char temp[20];
case 1:
A.getinf();
system("pause");
break;
case 2:
A.reinf();
system("pause");
break;
case 3:
A.deinf();
system("pause");
break;
case 4:
A.printfc();
system("pause");
break;
case 5:
A.printfc();
cout << "请输入要选的课程编号" << endl;
scanf("%s", temp);
B[dengluflag].choiceC(temp);
cout << "选课成功" << endl;
system("pause");
break;
case 6:
system("cls");
int sw=0;
cout << "1.按学号查询学生选课情况" << endl;
cout << "2.按课程查询学生选课情况" << endl;
cin >> sw;
switch (sw)
{
case 1:
cout << "请输入学号" << endl;
scanf("%s", temp);
for (int i = 0; i < stucnt; i++)
{
if (B[i].xuehaopipei(temp))B[i].checkC();
}
system("pause");
break;
case 2:
char temp62[20];
cout << "请输入查询课程编号" << endl;
scanf("%s", temp62);
cout << "选择此门课程的学号有" << endl;
for (int i = 0; i < stucnt; i++)
{
for (int j = 1; j <= B[i].kecnt; j++)
{
char temp1[20];
B[i].getkc(j, temp1);
if (strcmp(temp1, temp62) == 0)cout << B[i].xuehao<<",";
}
}
cout << endl;
break;
}
system("pause");
break;
}
_sleep(1000);
system("cls");
}
_sleep(1000);
system("cls");
}
system("pause");
return 0;
}

#ifndef STUDENT_H
#define STUDENT_H
#include <iostream>
#include <vector>
#include<string.h>
using namespace std; 
class student
{
public:
char yixuankec[256];
char yanz[10]="000000";
char xuehao[20];
int kecnt = 0;            //已选课程数目
public:
student(char *_xuehao=NULL,char *_yanz=NULL);
void choiceC(char* _bianhao);                              //选课功能
void checkC();                             //查询功能
void getkc(int cnt, char* temp);           //返回第cnt个课程的编号
void setyanz(char *_yanz);                 //重新设置验证码
void setxuehao(char *_xuehao);			  //设置学号
bool xuehaopipei(char *_xuehao);          //学号是否匹配
bool yanzpipei(char*_yanz);               //验证码是否匹配
};
student::student(char *_xuehao, char *_yanz)
{
kecnt = 0;
yixuankec[0] = 0;
if (_xuehao != NULL)strcpy(xuehao, _xuehao);
if (_yanz!=NULL)strcpy(yanz, _yanz);
}
void student::choiceC(char* _bianhao)                              //选课功能
{
int i = 0;
for (i = 0; i < 256; i++)
{
if (yixuankec[i] == 0)
{
if (kecnt != 0)
{
yixuankec[i] = ',';
i++;
}
break;
}
}
strcpy(yixuankec + i, _bianhao);//此处没有判断i是否越界
kecnt++;
}
void student::checkC()									//查询功能
{
printf("学号：%s\n", xuehao);
printf("登陆验证：%s\n", yanz);
printf("已选课程编号：%s\n", yixuankec);
}
void student::getkc(int cnt, char* temp)    
{
char temp1[10];
int c=0;
for (int i = 0,j=0; i < 256; i++)
{
if (yixuankec[i] != 0 && yixuankec[i] != ',')
{
temp1[j] = yixuankec[i];
j++;
}
else //yixuankec[i] == ',' \0
{
c++;
temp1[j] = 0;
if (c == cnt)
{
strcpy(temp, temp1);
return;
}
j = 0;
}
}
}
void student::setyanz(char *_yanz)                 //重新设置验证码
{
strcpy(yanz, _yanz);
//cout << "设置成功" << endl;
}
void student::setxuehao(char *_xuehao)			  //设置学号
{
strcpy(xuehao, _xuehao);
//cout << "申请成功" << endl;
}
bool student::xuehaopipei(char *_xuehao)          //学号是否匹配
{
if (strcmp(xuehao, _xuehao) == 0)return true;
else return false;
}
bool student::yanzpipei(char*_yanz)              //验证码是否匹配
{
if (strcmp(yanz, _yanz) == 0)return true;
else return false;
}
#endif

#ifndef CLASS_H
#define CLASS_H
#include <iostream>
#include <vector>
#include<string.h>
using namespace std;
struct kc
{
char bianhao[10];
char name[20];
int xueshi;
int xuefen;
char kaixueinf[10];
};
class course
{
public:
int cnt=0;    //已添加课程数量
vector<struct kc> C;
public:
course();
void printfc();
void reinf();
void deinf();
void getinf();
};
course::course()
{	
}
void course::printfc()
{
printf("课程编号，课程名称，课程学时，课程学分，开学时间\n");
for (int i = 0; i < cnt; i++)
{
printf("%s,%s,%d,%d,%s\n", C.at(i).bianhao, C.at(i).name, C.at(i).xueshi, C.at(i).xuefen, C.at(i).kaixueinf);
}
}
void course::reinf()
{
char temp[20];
cout << "请输入课程的编号或者名称" << endl;
scanf("%s", temp);
int i = 0;
for ( i = 0; i < cnt; i++)
{
if (strcmp(C.at(i).bianhao, temp) == 0 || strcmp(C.at(i).name, temp) == 0)break;
}
printf("查询课程信息为%s,%s,%d,%d,%s\n", C.at(i).bianhao, C.at(i).name, C.at(i).xueshi, C.at(i).xuefen, C.at(i).kaixueinf);
cout << "请输入修改后的 课程编号，课程名称，课程学时，课程学分，开学时间（xxxx,x,x）" << endl;
scanf("%s", C.at(i).bianhao);
scanf("%s", C.at(i).name);
scanf("%d", &C.at(i).xueshi);
scanf("%d", &C.at(i).xuefen);
scanf("%s", C.at(i).kaixueinf);
cout << "修改成功" << endl;
}
void course::deinf()
{
char temp[20];
cout << "请输入课程的编号或者名称" << endl;
scanf("%s", temp);
int i = 0;
for (i = 0; i <cnt; i++)
{
if (strcmp(C.at(i).bianhao, temp) == 0 || strcmp(C.at(i).name, temp) == 0)break;
}
printf("删除课程信息为%s,%s,%d,%d,%s\n是否确认删除?是输入1，不是输入0", C.at(i).bianhao, C.at(i).name, C.at(i).xueshi, C.at(i).xuefen, C.at(i).kaixueinf);
int Isde=0;
cin >> Isde;
if (Isde)
{
C.erase(C.begin() + i);  //参数为迭代器地址
cnt--;
cout << "删除成功" << endl;
}
}
void course::getinf()
{
int N = 0;
cout << "请输入要录入的课程数量" << endl;
cin >> N;
for (int i = 0; i < N; i++)
{
struct kc a;
cout << "请输入 课程编号，课程名称，课程学时，课程学分，开学时间（xxxx.x.x）" << endl;
scanf("%s", a.bianhao);
scanf("%s", a.name);
scanf("%d", &a.xueshi);
scanf("%d", &a.xuefen);
scanf("%s", a.kaixueinf);
//scanf("%s,%s,%d,%s,%d", a.bianhao, a.name, &a.xueshi, a.kaixueinf, &a.xuefen);
C.push_back(a);
cnt++;
}
cout << "录入完成" << endl;
}
#endif