学生成绩管理系统

//学生成绩管理系统 V1.0
//student.cpp
//Made By SUT_Hui 
//2012-3-12
//wangchunhui@wangchunhui.cn 

#include <iostream>
#include <fstream>
#include <string>
#include <iomanip> 

//#define course_mount 5

using namespace std;

/*
//----------------------------------------------------------course 类
class course
{
    private:
    state int Course_number_count;
    string Course_name;
    string Course_teacher;
    public:
    course();
    void add_course();
    ~course();
};
*/
int n=0;//TEST = 4,Normal = 0;
int  m=0, i=1, j=0;
double class_course_everage[4]={0};

//----------------------------------------------------------student 类

class student
{
    private:
//    static int count; 
    string Student_name;
    string Student_No;
    char Student_sex;
    double Student_score_everage;
    double Maths;
    double Chinese;
    double English;
    double CPP;
    public:
    student();
    void init_student();
//    void score_everage();
    void init_score();
    string getStudent_No();
    string getStudent_name();
    char getStudent_sex();
    double getscore_sum();
    double getStudent_score_everage();
    double getStudent_score_Maths();
    double getStudent_score_Chinese();
    double getStudent_score_English();
    double getStudent_score_CPP();
    ~student()
    {
        cout<<"Waitng..."<<endl;
    }
}students[40];

//-----------------------------------------------------------函数声明

void welcome();
int Main_student();
int Main_student_input_1();
int Main_student_input_1();
int Main_student_list_2();
int Main_student_correct_3();
int Main_student_coursename_4();
int Main_student_scoreinput_5();
int Main_student_courseeverage_6();
int Main_student_class_courseeverage_7();
int Main_student_ALL_8();
int Main_copyright_9();

//-----------------------------------------------------------main 函数 

int main()
{
    welcome();
    return Main_student();
}

//-----------------------------------------------------------class student 类函数定义

student::student()
{
    Student_name = " ";
    Student_No = " ";
    Student_sex = 'M';
    Maths = 0.0;
    Chinese = 0.0;
    English = 0.0;
    CPP = 0.0;
}

//__________________________TEST
/*
student::student()
{
    Student_name = "未命名";
    Student_No = "#########";
    Student_sex = 'M';
    Maths = 50.50;
    Chinese = 50.50;
    English = 50.50;
    CPP = 50.50;
}
//___________________________TEXT 
*/

void student::init_student()
{
    int len_name, len_No;
    cout<<"
              请输入第"<<i+1<<"个学生基本信息"<<endl;
    cout<<"              姓名：";cin>>Student_name;getchar();
    cout<<"              学号：";cin>>Student_No;getchar();
    cout<<"              性别：(F/M)";cin>>Student_sex;getchar();
    len_name = Student_name.length();
    len_No = Student_No.length();
    if(len_name < 6)
    {
        for(;len_name<6;len_name++)
        {
            Student_name += " ";
        }
    }
    if(len_No < 9)
    {
        for(; len_No < 9; len_No++)
        {
            Student_No+=" ";
        }
    }
}

void student::init_score()
{
    cout<<"                "<<"学生-"<<students[i].getStudent_name()<<"成绩录入："<<endl;
    cout<<"                "<<"数学："; cin>>Maths;getchar();
    cout<<"                "<<"语文："; cin>>Chinese;getchar();
    cout<<"                "<<"英语："; cin>>English;getchar();
    cout<<"                "<<"C++ ："; cin>>CPP;getchar();
}
/*
void student::score_everage()
{
    Student_score_everage=(Maths+Chinese+English+CPP)/4;
}
*/
string student::getStudent_No()
{
    return Student_No;
}

string student::getStudent_name()
{
    return Student_name;
}

char student::getStudent_sex()
{
    return Student_sex;
}

double student::getscore_sum()
{
    return (Maths+Chinese+English+CPP);
}

double student::getStudent_score_everage()
{
    Student_score_everage=(Maths+Chinese+English+CPP)/4;
    return Student_score_everage;
}

double student::getStudent_score_Maths()
{
    return Maths;
}

double student::getStudent_score_Chinese()
{
    return Chinese;
}

double student::getStudent_score_English()
{
    return English;
}

double student::getStudent_score_CPP() 
{
    return CPP;
}

//-----------------------------------------------------------函数定义 

void welcome()
{
    cout<<"





";
    cout<<"             ========================================"<<endl;
    cout<<"             =                                      ="<<endl;
    cout<<"             =          学生成绩管理系统 V1.0       ="<<endl;
    cout<<"             =                                      ="<<endl;
    cout<<"             ========================================"<<endl;
    cout<<"             =             MADE BY  SUT_HUi         ="<<endl;
    cout<<"             =           START AT    2012/3/12      ="<<endl;
    cout<<"             ========================================"<<endl;
    cout<<"

             按回车进入．．．";
    getchar();
    system("cls");
}

int Main_student()
{
    int flag = 0;
    while(!flag)
    {
        char choose;
        cout<<"



";
        cout<<"             ========================================"<<endl;
        cout<<"             =                                      ="<<endl;
        cout<<"             =          学生成绩管理系统 V1.0       ="<<endl;
        cout<<"             =               管理界面               ="<<endl;
        cout<<"             ========================================"<<endl;
        cout<<"             =         1.学生基本信息录入           ="<<endl;
        cout<<"             =         2.学生基本信息列表           ="<<endl;
        cout<<"             =         3.学生基本信息修改           ="<<endl;
        cout<<"             =         4.科目名称修改               ="<<endl;
        cout<<"             =         5.分数录入                   ="<<endl;
        cout<<"             =         6.个人成绩状况               ="<<endl;
        cout<<"             =         7.班级成绩状况               ="<<endl;
        cout<<"             =         8.总表                       ="<<endl;
        cout<<"             =         9.版权信息                   ="<<endl;
        cout<<"             =         0.退出                       ="<<endl;
        cout<<"             ========================================"<<endl;
        cout<<"             请选择："; 
        do{
            cin>>choose;getchar();
            switch(choose)
            {
                case '1':system("cls"); flag = Main_student_input_1();system("cls"); break;
                case '2':system("cls"); flag = Main_student_list_2(); break;
                case '3':system("cls"); flag = Main_student_correct_3(); break;
                case '4':system("cls"); flag = Main_student_coursename_4(); break;
                case '5':system("cls"); flag = Main_student_scoreinput_5(); break;
                case '6':system("cls"); flag = Main_student_courseeverage_6(); break;
                case '7':system("cls"); flag = Main_student_class_courseeverage_7(); break;
                case '8':system("cls"); flag = Main_student_ALL_8(); break;
                case '9':system("cls"); flag = Main_copyright_9(); break;
                case '0':return (0);
                default:flag++;cout<<"             输入有误请重新输入:";  
                        if(flag == 10) {cout<<"ERROR!"<<endl<<"正在退出"<<endl;return (1);}
            }
        }while(flag);
        system("cls");
    }
}

int Main_student_input_1()
{
    cout<<"



";
    cout<<"             ========================================"<<endl;
    cout<<"             =                                      ="<<endl;
    cout<<"             =          学生成绩管理系统 V1.0       ="<<endl;
    cout<<"             =            学生基本信息录入          ="<<endl;
    cout<<"             ========================================"<<endl;
    cout<<"              请输入学生人数(MAX=40)：";
    cin>>n;
    for(i=0;i<n;i++)
    {
        students[i].init_student();
    }
    cout<<"
             ========================================"<<endl;
    cout<<"              录入完毕，按回车返回主菜单．．．";getchar();
    return 0;
}

int Main_student_list_2()
{
    cout<<"



";
    cout<<"             ========================================"<<endl;
    cout<<"             =                                      ="<<endl;
    cout<<"             =          学生成绩管理系统 V1.0       ="<<endl;
    cout<<"             =            学生基本信息列表          ="<<endl;
    cout<<"             ========================================"<<endl;
    cout<<"               序号     学号       姓名       性别   "<<endl;
    for(i=0;i<n;i++)
    {
    cout<<"                "<<setw(2)<<i+1<<"   "<<students[i].getStudent_No()<<"    "<<students[i].getStudent_name()<<"       "<<students[i].getStudent_sex()<<endl;
    }
    cout<<"
             ========================================"<<endl;
    cout<<"              按回车返回主菜单．．．";getchar();
    return 0;
}

int Main_student_correct_3()
{
    cout<<"



";
    cout<<"             ========================================"<<endl;
    cout<<"             =                                      ="<<endl;
    cout<<"             =          学生成绩管理系统 V1.0       ="<<endl;
    cout<<"             =            学生基本信息修改          ="<<endl;
    cout<<"             ========================================"<<endl;
    cout<<"                                                     "<<endl;
    cout<<"                                                     "<<endl;
    cout<<"                            未注册组件               "<<endl;
    cout<<"                                                     "<<endl;
    cout<<"                                                     "<<endl;
    cout<<"             ========================================"<<endl;
    cout<<"               按回车返回主菜单．．．";getchar(); 
    return 0;
}

int Main_student_coursename_4()
{
    cout<<"



";
    cout<<"             ========================================"<<endl;
    cout<<"             =                                      ="<<endl;
    cout<<"             =          学生成绩管理系统 V1.0       ="<<endl;
    cout<<"             =             科目名称修改             ="<<endl;
    cout<<"             ========================================"<<endl;
    cout<<"                                                     "<<endl;
    cout<<"                                                     "<<endl;
    cout<<"                            未注册组件               "<<endl;
    cout<<"                                                     "<<endl;
    cout<<"                                                     "<<endl;
    cout<<"             ========================================"<<endl;
    cout<<"               按回车返回主菜单．．．";getchar();
    return 0;
}

int Main_student_scoreinput_5()
{
    cout<<"



";
    cout<<"             ========================================"<<endl;
    cout<<"             =                                      ="<<endl;
    cout<<"             =          学生成绩管理系统 V1.0       ="<<endl;
    cout<<"             =              学生分数录入            ="<<endl;
    cout<<"             ========================================"<<endl;
    for(i=0;i<n;i++)
    {
        students[i].init_score();
    }
    cout<<"
             ========================================"<<endl;
    cout<<"              按回车返回主菜单．．．";getchar();
    return 0;
}

int Main_student_courseeverage_6()
{
    cout<<"



";
    cout<<"             ========================================"<<endl;
    cout<<"             =                                      ="<<endl;
    cout<<"             =          学生成绩管理系统 V1.0       ="<<endl;
    cout<<"             =             个人成绩状况             ="<<endl;
    cout<<"             ========================================"<<endl;
    cout<<"               序号    学号        姓名      平均分  "<<endl;
    for(i=0;i<n;i++)
    {
        //students[i].score_everage();
        cout <<setiosflags(ios::fixed);
    cout<<"                "<<setw(2)<<i+1<<"   "<<students[i].getStudent_No()<<"    "<<students[i].getStudent_name()<<"     "<<setw(6)<<setprecision(2)<<students[i].getStudent_score_everage()<<endl;
    }
    cout<<"
             ========================================"<<endl;
    cout<<"              按回车返回主菜单．．．";getchar();
    return 0;
}

int Main_student_class_courseeverage_7()
{
    cout<<"



";
    cout<<"             ========================================"<<endl;
    cout<<"             =                                      ="<<endl;
    cout<<"             =          学生成绩管理系统 V1.0       ="<<endl;
    cout<<"             =             科目平均分查询           ="<<endl;
    cout<<"             ========================================"<<endl;
    cout<<"                       科目        平均分            "<<endl;
    for(i=0;i<n;i++)
    {
        class_course_everage[0]+= students[i].getStudent_score_Maths();
        class_course_everage[1]+= students[i].getStudent_score_Chinese();
        class_course_everage[2]+= students[i].getStudent_score_English();
        class_course_everage[3]+= students[i].getStudent_score_CPP();
    }
    cout <<setiosflags(ios::fixed);
    cout<<"                      数 学："<<"        "<<setw(6)<<setprecision(2)<<class_course_everage[0]/n<<endl;
    cout<<"                      语 文："<<"        "<<setw(6)<<setprecision(2)<<class_course_everage[1]/n<<endl;
    cout<<"                      英 语："<<"        "<<setw(6)<<setprecision(2)<<class_course_everage[2]/n<<endl;
    cout<<"                       C++ ："<<"        "<<setw(6)<<setprecision(2)<<class_course_everage[3]/n<<endl;
    cout<<"
             ========================================"<<endl;
    cout<<"              按回车返回主菜单．．．";getchar();
    return 0;
}

int Main_student_ALL_8()
{
    for(i=0;i<n;i++)
    {
        class_course_everage[0]+= students[i].getStudent_score_Maths();
        class_course_everage[1]+= students[i].getStudent_score_Chinese();
        class_course_everage[2]+= students[i].getStudent_score_English();
        class_course_everage[3]+= students[i].getStudent_score_CPP();
    }
    cout<<"



";
    cout<<"             =========================================================="<<endl;
    cout<<"             =                                                        ="<<endl;
    cout<<"             =                   学生成绩管理系统 V1.0                ="<<endl;
    cout<<"             =                     学生成绩信息总表                   ="<<endl;
    cout<<"             =========================================================="<<endl;
    cout<<"              序号   学号     姓名   数学   语文   英语    C++   平均分"<<endl;
    for(i=0;i<n;i++)
    {
    //    students[i].score_everage();
    cout <<setiosflags(ios::fixed);
    cout<<"                "<<i+1<<" "<<students[i].getStudent_No()<<"  "<<students[i].getStudent_name()<<setw(7)<<setprecision(2)<<students[i].getStudent_score_Maths()<<setw(7)<<setprecision(2)<<students[i].getStudent_score_Chinese()<<setw(7)<<setprecision(2)<<students[i].getStudent_score_English()<<setw(7)<<setprecision(2)<<students[i].getStudent_score_CPP()<<setw(7)<<setprecision(2)<<students[i].getStudent_score_everage()<<endl;
    }
    cout<<"              "<<"==平均分==      ***  "<<setw(7)<<setprecision(2)<<class_course_everage[0]/4<<setw(7)<<setprecision(2)<<class_course_everage[1]/4<<setw(7)<<setprecision(2)<<class_course_everage[2]/4<<setw(7)<<setprecision(2)<<class_course_everage[3]/4<<setw(7)<<setprecision(2)<<(class_course_everage[0]+class_course_everage[1]+class_course_everage[2]+class_course_everage[3])/16; 
    cout<<"
             =========================================================="<<endl;
    cout<<"             按回车返回主菜单．．．";getchar();
    return 0;
}

int Main_copyright_9()
{
    cout<<"



";
    cout<<"            =========================================="<<endl;
    cout<<"            =                                        ="<<endl;
    cout<<"            =           学生成绩管理系统 V1.0        ="<<endl;
    cout<<"            =                                        ="<<endl;
    cout<<"            =========================================="<<endl;
    cout<<"            =                                        ="<<endl;
    cout<<"            =             MADE BY SUT_Hui            ="<<endl;
    cout<<"            =                                        ="<<endl;
    cout<<"            =All Copyright Reserved 2012-2012 SUT_Hui="<<endl;
    cout<<"            =    GPL2.0 2011 SUT_Hui Project TEAM    ="<<endl;
    cout<<"            =========================================="<<endl;
    cout<<"             按回车返回主菜单．．．";getchar();
    return 0;
}