学生选课系统.cpp

这是一个很小的学生成绩管理系统

			{
				cout<<"\n\n\n\n\t\t您的用户名不存在！"<<endl;
				exit(0);
			}
			fin.get();
			while (!fin.eof())
			{
				fin>>teacher.m_ctno>>m_ctcode;
				if(strcmp(m_ctcode,tcode)==0)
				{
					cout<<"\n\t\t\t请输入您的新密码并按回车键确认:";
					strcpy(tcode,Settcode());
					cout<<"\n\t\t\t请再次输入您的新密码并按回车键确认:";
					if(strcmp(tcode,Settcode())==0)
					{
						Writef1("tcode.txt");
						cout<<"修改密码成功！";
						return;
					}
					else
						cerr<<"新密码输入不一致！";
				}
				else					
					cerr<<"旧密码输入错误！";				
			}				
		}
		else
			cerr<<"用户名输入错误！";
	}
	fin.close();
}
/*********************************************************************
*                                                                    *
*********************************************************************/
void tuichu(void)
{
system("cls");
system("color A4");
cout<<"\n\n\t\t\t  谢谢您的使用!\t再见!\n\n"<<endl;
cout<<"\t\t\t希望您提出宝贵意见。我们将不断改进。谢谢!\n\n"<<endl;
cout<<"\t\t\t            姓名:刘刚华  陈显清\n\n"<<endl;
cout<<"\t\t\t            学校:长沙学院\n\n\n"<<endl;
exit(0);
}
/*********************************************************************
*                                                                    *
*********************************************************************/
void Memu(void)
{
	system("cls");
	cout<<"\n\n\n\n\n\n\n\n\t\t\t欢迎您进入学生选课系统";	
	Sleep(500);
	system("cls");
	cout<<"\n\n\n\n\n\n\t\t\t\t制作人:\n\t\t\t\t\t信科二班:\n";
	cout<<"\t\t\t\t\t☆☆刘刚华☆☆☆陈显清☆☆"<<endl;
	cout<<"请按任意键继续";
	getch();
	system("cls");
}
/*********************************************************************
*                                                                    *
*********************************************************************/
int shuzi()    //定义的一个容错性函数；
{
	unsigned int i=1;
	int j;
    char ch[10];
	while(1)
	{
		cin>>ch;
		if(ch[0]=='-'||isdigit(ch[0])!=0)
		{
			for(;i<strlen(ch);i++)
				if(isdigit(ch[i])==0) 
					break;
				if(i+1>strlen(ch)&&!(ch[0]=='-'&&i==1))
				{
					j=atoi(ch);
					return j;
				}
				else
					cout<<"\t请输入数字:";
		}
		else
			cout<<"\t请输入数字:";
	}
}

/*********************************************************************
*      下面就是菜单函数了 ，对类里面的函数进行调用。                 *
*********************************************************************/
int Memu3()
{
		system("cls");
		system("color F9");
		cout<<"\n\n\n\n\n\n\t*****************************************************************\t\n\n";
		cout<<"\t\t\t【☆学生选课管理☆】 \n\n"; 
		cout<<" \t1.△选课    △\t\t";
	    cout<<"2.△查看已修课程及成绩△\n\n";
		cout<<"\t3.△查看个人资料△\t";
		cout<<"4.△退选课程△\n\n";
		cout<<"\t5.△修改密码△\t\t";
		cout<<"6.△查看所有课程及相关信息△\n\n";
		cout<<"\t7.△切换用户△\t\t";		
		cout<<"0.△退出△";
		cout<<"\n\n\t*****************************************************************\t\t";
		cout<<"\n\t请选择:(0-7)";
		int n;
		n=shuzi();
		while(n<=-1||n>=9)
		{
			cout<<"你的输入有误,请重试\n请选择:(0-9):";
			n=shuzi();
		}
		return n;
}
/*********************************************************************
*                                                                    *
*********************************************************************/
void handle_Memu3(void)
{
	for(;;)
	{
		switch(Memu3())
		{
		case 1:
			{
				system("cls");
				CSubject subject;
				subject.xuanke("subject.txt");
				system("cls");
				break;
			}
		case 2:
			{
				system("cls");
				CSubject subject;
				subject.show5("subject.txt");
				cout<<"请按任意键继续";
			    getch();
			    system("cls");
				break;
			}
		case 3:
			{
				system("cls");
				cout<<"是否继续输入: 1(是)/其它(否)";
				cout<<"请按任意键继续";
			    getch();
			    system("cls");
				break;
			}
		case 4:
			{
				system("cls");
				cout<<"hao"<<endl;
				cout<<"请按任意键继续";
			    getch();
			    system("cls");
				break;
			}
		case 5:
			{
				system("cls");
				CLand land;
				land.modifiy("snode.txt");
				cout<<"请按任意键继续";
			    getch();
			    system("cls");
				break;
			}
		case 6:
			{
				system("cls");
				CCourse course;
				course.show2("course.txt");
				cout<<"请按任意键继续";
			    getch();
			    system("cls");
				break;
			}
		case 7:
			{
				system("cls");
				handle_Memu1();
				break;
			}
		case 0:
			{
				tuichu();
			}
		default:
			system("cls");
			cout<<"你的输入有误:";
			break;
		}
	}
}
/*********************************************************************
*                                                                    *
*********************************************************************/
int Memu5()
{
		system("cls");
		system("color F9");		
		cout<<"\n\n\n\n\n\n\t*****************************************************************\t\n\n";
		cout<<"\t\t\t【☆课程管理员☆】 \n\n"; 
		cout<<" \t1.△新生注册△\t\t";
	    cout<<"2.△添加课程及相关信息△\n\n";
		cout<<"\t3.△添加教师及相关信息△\t";
		cout<<"4.△查看所有学生选课情况△\n\n";
		cout<<"\t5.△修改密码△\t\t";
		cout<<"6.△查看所有课程△\n\n";
		cout<<"\t7.△显示所有学生△\t\t";		
		cout<<"8.△显示老师信息△\n\n";		
		cout<<"\t9.△切换用户△\t\t";
		cout<<"0.△退出△";
		cout<<"\n\n\t*****************************************************************\t\t";
		cout<<"\n\t请选择:(0-9)";
		int n;
		n=shuzi();
		while(n<=-1||n>10)
		{
			cout<<"你的输入有误,请重试\n请选择:(0-9):";
			n=shuzi();
		}
		return n;
}
/*********************************************************************
*                                                                    *
*********************************************************************/
void handle_Memu5()
{
	for(;;)
	{
		switch(Memu5())
		{
		case 1:
			{
				system("cls");
				int a=0;
	            CStudent stu[60];
	            char flag='Y';
	            while(toupper(flag)=='Y')
				{
					stu[a].Setsno("student.txt");
					stu[a].Setsname();
					stu[a].Setsex();
					stu[a].Setbanji();
					stu[a].Setzhuanye();
					stu[a].Writef("student.txt");
					a++;
					cout<<"是否继续输入: Y(是)/其它(否)";
					cin>>flag;
				}	
				for(int i=0;i<a;)
					stu[i++].Output();
				cout<<"请按任意键继续";
				getch();
				system("cls");
				break;
			}
	case 2:
			{
				system("cls");
				int a=0;
				CCourse course[60];
	            char flag='Y';
	            while(toupper(flag)=='Y')
				{
					course[a].Setcno();
		            course[a].Setcname();
					course[a].Setxingzhi();
					course[a].Setkeshi();
					course[a].Settime();
					course[a].Setaddress();
					course[a].Setxuefen();
		            course[a].Writef("course.txt");
					a++;
					cout<<"是否继续输入: Y(是)/其它(否)";
					cin>>flag;
				}
				for(int i=0;i<a;)
					course[i++].Output();
				cout<<"请按任意键继续";
				getch();
				system("cls");
				break;
			}
		case 3:
			{
				system("cls");
				int a=0;
	            CTeacher teacher[60];
	            char flag='Y';
	            while(toupper(flag)=='Y')
				{
					teacher[a].Settno();
					teacher[a].Settname();
					teacher[a].Setxi();
					teacher[a].Setsex();
					teacher[a].Setzhicheng();
					teacher[a].Writef("teacher.txt");
					a++;
					cout<<"是否继续输入: Y(是)/其它(否)";
					cin>>flag;
				}	
				for(int i=0;i<a;i++)
					teacher[i].Output();
				system("cls");
				break;
			}
		case 4:
			{
				system("cls");
				CSubject subject;
				subject.show4("subject.txt");
				getch();
				system("cls");
				break;
			}
		case 5:
			{
				system("cls");
				CLand land;
				land.modifiy1("admin.txt");
				cout<<"请按任意键继续";
				getch();
				system("cls");
				break;
			}
		case 6:
			{
				system("cls");
				CCourse course;
				course.show2("course.txt");
				cout<<"请按任意键继续";
				getch();
				system("cls");
				break;
			}
		case 7:
			{
				system("cls");
				CStudent stu;
				stu.show("student.txt");
				cout<<"请按任意键继续";
				getch();
				system("cls");
				break;
			}
		case 8:
			{
				system("cls");
				CTeacher teach;
				teach.show3("teacher.txt");
				cout<<"请按任意键继续";
				getch();
				system("cls");
				break;
			}
		case 9:
			{
				system("cls");
				handle_Memu1();
				break;
			}
		case 0:
			{
				tuichu();
			}
		default:
			system("cls");
			cout<<"你的输入有误:";
			break;
		}
	}
}
/*********************************************************************
*                                                                    *
*********************************************************************/
int Memu4(void)
{
		system("cls");
		system("color F9");
		cout<<"\n\n\n\n\n\n\t*****************************************************************\t\n\n";
		cout<<"\t\t\t【☆教师授课管理☆】 \n\n"; 
		cout<<" \t 1.△    △\t\t\t";
	    cout<<"2.△查看课程相关信息△\n\n";
		cout<<"\t3.△查看本门课程选课人数△\t";
		cout<<"4.△输入学生分数△\n\n";
		cout<<"\t5.△修改密码△\t\t\t";
		cout<<"6.△切换用户△\n\n";
		cout<<"\t0.△退出△";
		cout<<"\n\n\t*****************************************************************\t\t";
		cout<<"\n\t请选择:(0-6)";
		int n;
		n=shuzi();
		while(n<=-1||n>=9)
		{
			cout<<"你的输入有误,请重试\n请选择:(0-9):";
			n=shuzi();
		}
		return n;
}
/*********************************************************************
*                                                                    *
*********************************************************************/
void handle_Memu4()
{
	for(;;)
	{
		switch(Memu4())
		{
		case 1:
			{
				system("cls");
				cout<<"yes"<<endl;
				cout<<"请按任意键继续";
				getch();
				system("cls");
				break;
			}
		case 2:
			{
				system("cls");
				cout<<"是否继续输入: 1(是)/其它(否)";
				cout<<"请按任意键继续";
				getch();
				system("cls");
				break;
			}
		case 3:
			{
				system("cls");
				cout<<"是否继续输入: 1(是)/其它(否)";
				cout<<"请按任意键继续";
				getch();
				system("cls");
				break;
			}
		case 4:
			{
				system("cls");
				cout<<"hao"<<endl;
				cout<<"请按任意键继续";
				getch();
				system("cls");
				break;
			}
		case 5:
			{
				system("cls");
				CLand land;
				land.modifiy2("tcode.txt");
				getch();
				system("cls");
				break;
			}
		case 6:
			{
				system("cls");
				handle_Memu1();
				break;
			}
		case 0:
			{
				tuichu();
			}
		default:
			system("cls");
			cout<<"你的输入有误:";
			break;
		}
	}
}
/*********************************************************************
*                                                                    *
*********************************************************************/
int Memu1(void)
{
	system("cls");
	system("color F9");
	cout<<"\n\n\n\n\t\t********************************************\n"
    <<"\t\t*                                          *\n"
    <<"\t\t*             欢迎您使用学生选课系统       *\n"
    <<"\t\t*                                          *\n"
    <<"\t\t*             本系统分为3个登陆端          *\n"
    <<"\t\t*                                          *\n"
    <<"\t\t*               1.课程管理员登陆端         *\n"
    <<"\t\t*                                          *\n"
    <<"\t\t*               2.学生选课登陆端           *\n"
    <<"\t\t*                                          *\n"
	<<"\t\t*               3.教师登陆端               *\n"
    <<"\t\t*                                          *\n"
	<<"\t\t*               0.退出系统                 *\n"
    <<"\t\t*                                          *\n"
    <<"\t\t********************************************\n"<<endl;
	cout<<"\n\t请选择:(0-3)";
	int n;
	n=shuzi();
	while(n<=-1||n>=4)
	{
		cout<<"您的输入有误,请重试\n请选择:(0-4):";
		n=shuzi();
	}
	return n;
}
void handle_Memu1()
{
	system("cls");
	system("color F9");		
	int c=0,d=0;CLand land;
	for(;;)
	{
		switch(Memu1())
		{
		case 1:
			{
				system("cls");
				CLand land;
				cout<<"\n\n\n\n\t\t\t欢迎您进入课程管理端\n";
	            cout<<"\n\t\t\t您的用户名为admin"<<endl; 
				land.Queryf2("admin.txt");
				break;
			}
		case 2:
			{
				system("cls");
				CLand land;
				cout<<"\n\n\n\n\t\t\t欢迎你进入学生选课端\n";
	            cout<<"\n\t\t\t你的用户名为你的学号"<<endl;            
			    land.Queryf("student.txt");
				break;
			}
		case 3:
			{
				system("cls");
				CLand land;
				cout<<"\n\n\n\n\t\t\t欢迎您进入教师授课端\n";
	            cout<<"\n\t\t\t您的用户名为您的编号"<<endl;                      
			    land.Queryf1("teacher.txt");
				break;
			}
		case 0:
			{
				tuichu();
			}
		default:
			system("cls");
			cout<<"您的输入有误，请重新输入";
			break;
		}
	}
}
/*********************************************************************
*                                                                    *
*********************************************************************/
void main(void)
{
	Memu();
	handle_Memu1();
}