python之路——作业:学生选课系统

一、作业要求:

选课系统:
角色:学校、学员、课程、讲师
要求:
1. 创建北京、上海 2 所学校
2. 创建linux , python , go 3个课程 , linuxpy 在北京开, go 在上海开
3. 课程包含,周期,价格,通过学校创建课程
4. 通过学校创建班级, 班级关联课程、讲师
5. 创建学员时,选择学校,关联班级
5. 创建讲师角色时要关联学校,
6. 提供两个角色接口
6.1 学员视图, 可以注册, 交学费, 选择班级,
6.2 讲师视图, 讲师可管理自己的班级, 上课时选择班级, 查看班级学员列表 , 修改所管理的学员的成绩
6.3 管理视图,创建讲师, 创建班级,创建课程

7. 上面的操作产生的数据都通过pickle序列化保存到文件里

二、程序目录说明

学生选课系统/
|-- bin/
|   |-- __init__.py
|   |-- start.py                #程序启动的主入口
|
|-- conf/
|   |-- __init__.py
|   |-- setting.py              #配置文件
|
|-- db/
|   |-- admin/                  #管理员数据文件夹
|   |-- charge/                 #学生缴费数据文件夹
|   |-- classes/                #班级数据文件夹
|   |-- course/                 #课程数据文件夹
|   |-- school/                 #学校数据文件夹
|   |-- score/                  #学生成绩数据文件夹
|   |-- student/                #学生数据文件夹
|   |-- teacher/                #老师数据文件夹
|
|-- lib/
|   |-- __init__.py
|   |-- common.py                 #公共函数
|   |-- main.py                   #各大类
|
|-- log/
|   |-- log_sys.log                #日志文件
|
|-- src/
|    |-- __init__.py
|   |-- admin.py               #管理员系统
|   |-- func.py                #主逻辑函数
|   |-- student.py             #学生系统
|   |-- teacher.py             #老师系统
|
|-- 流程图
|-- README.txt

三、程序已实现功能

程序实现了以下功能:
1、创建管理员(已有管理员:japhi、alex;密码都是123)
2、管理员创建老师(已有老师:李杰、林海峰、武佩奇)
3、管理员创建班级(已有班级:go1班、python1班、linux1班)
4、管理员创建课程(已有课程:go、python、linux)
5、管理员查看老师、班级、课程信息
6、老师修改学生成绩
7、老师查看班级和学生信息
8、学生注册及缴费(已有学生:alex、张三、李四、王五、赵六)
9、数据序列号保存并读取

四、流程图

五、作业代码

1、bin文件夹下程序启动主入口start.py:

import os,sys
frame = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))),"src")
sys.path.append(frame)

from func import sys_func
if __name__ == '__main__':
    sys_func()

2、conf文件夹下配置文件seetings.py:

import os,sys

basdir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))    #定义环境变量
sys.path.append(basdir)

log_dir = os.path.join(basdir,"log")

3、lib文件夹下公共函数common.py:

import logging,os,pickle,sys,uuid
frame = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
sys.path.append(frame)
from conf import setting

def sys_logging(content,levelname):
    '''
    程序记录日志函数
    :param content: 日志的内容
    :param levelname: 日志的等级
    :return: none
    '''
    _filename = os.path.join(setting.log_dir,"log_sys.log")
    log = logging.getLogger(_filename)
    logging.basicConfig(filename=_filename,level=logging.INFO,format='%(asctime)s-%(levelname)s-%(message)s', datefmt='%m/%d/%Y %I:%M:%S %p')
    if levelname == 'debug':
        logging.debug(content)
    elif levelname == 'info':
        logging.info(content)
    elif levelname == 'warning':
        logging.warning(content)
    elif levelname == 'error':
        logging.error(content)
    elif levelname == 'critical':
        logging.critical(content)

def printer(msg,msg_type):
    '''
    程序不同信息打印的字体颜色
    :param msg: 打印信息
    :param msg_type: 打印信息的类型
    :return: none
    '''
    if msg_type == "info":
        show_msg = "33[1;33m%s33[0m"%msg
    elif msg_type == "error":
        show_msg = "33[1;31m%s33[0m"%msg
    elif msg_type == "msg":
        show_msg = "33[1;37m%s33[0m"%msg
    else:
        show_msg = "33[1;32m%s33[0m"%msg
    print(show_msg.center(60,'-'))
    sys_logging(msg,msg_type)

  主类代码main.py:

import os,pickle,sys,time
frame = os.path.dirname(os.path.abspath(__file__))
sys.path.append(frame)
from common import printer

class BasicObj(object):
    '''
    基类
    '''
    def save(self):
        basedir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
        file_path = os.path.join(os.path.join(os.path.join(basedir,"db"),self.form),self.name)
        with open(file_path,"wb") as f:
            pickle.dump(self,f)
    @staticmethod
    def gain_data(name):
        basedir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
        file_path = os.path.join(os.path.join(basedir,"db"),name)
        # print(file_path)
        res_list = []
        for file in os.listdir(file_path):
            filename = os.path.join(file_path,file)
            res_list.append(pickle.load(open(filename,"rb")))
        return res_list


class School(BasicObj):
    '''
    学校类
    '''
    def __init__(self,form,name,city):
        self.form = form
        self.name = name
        self.city = city
        self.create_time = time.strftime('%Y-%m-%d')

class Student(BasicObj):
    '''
    学生类
    '''
    def __init__(self,form,school,classes,name,psd):
        self.form = form
        self.school = school
        self.classes = classes
        self.name = name
        self.psd = psd
        self.create_time = time.strftime('%Y-%m-%d')

class Teacher(BasicObj):
    '''
    老师类
    '''
    def __init__(self,form,name,level):
        self.form = form
        self.name = name
        self.level = level
        self.create_time = time.strftime('%Y-%m-%d')


class Course(BasicObj):
    '''
    课程类
    '''
    def __init__(self,form,name,price,period,school):
        self.form = form
        self.name = name
        self.price = price
        self.period = period
        self.school = school
        self.create_time = time.strftime('%Y-%m-%d')


class Classes(BasicObj):
    '''
    班级类
    '''
    def __init__(self,form,school,teacher,course,name):
        self.form = form
        self.school = school
        self.teacher = teacher
        self.course = course
        self.name = name

class Admin(BasicObj):
    '''
    管理员类
    '''
    def __init__(self,form,name,psd):
        self.form = form
        self.name = name
        self.psd = psd
        self.create_time = time.strftime('%Y-%m-%d')
    @staticmethod
    def login():
        '''
        管理员登陆系统
        :return: 登陆成功返回True,否则返回False
        '''
        sign = False
        ad_name = input("请输入您的用户名>>>").strip()
        ad_psd = input("请输入密码>>>").strip()
        admin_dic = {}
        for obj in BasicObj.gain_data("admin"):
            admin_dic[obj.name] = obj.psd
        if admin_dic.get(ad_name) == ad_psd:
            printer("登陆成功","info")
            sign = True
        else:
            printer("用户名或密码错误","error")
        return sign


class StudentScore(BasicObj):
    '''
    学生分数类
    '''
    def __init__(self,form,name,score):
        self.form = form
        self.name = name
        self.score = score

class StudentCharge(BasicObj):
    '''
    学生缴费类
    '''
    def __init__(self,form,name,charge):
        self.form = form
        self.name = name
        self.charge = charge

4、src文件下管理员逻辑函数admin.py:

import os,sys
frame = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))),"lib")
sys.path.append(frame)
from common import printer
from main import BasicObj,Admin,Teacher,Course,Classes

def exist_parse(data,list):
    '''
    对用户数的data是否存在于实例文件进行判断函数
    :param data: 用户输入的数据
    :param list: 用户输入的数据类型对应的实例对象列表
    :return: 信号
    '''
    sign = True
    begin_list = []
    for obj in list:
        begin_list.append(obj.name)
    if data not in  begin_list:
        printer("您输入的[%s]不存在"%data,"a")
        sign = False
    return sign

def exist_school(data,list):
    '''
    对用户选择的校区是否存在进行判断的函数
    :param data: 用户输入的校区
    :param list: 校区实例对象列表
    :return: 信号
    '''
    sign = True
    begin_list = []
    for obj in list:
        begin_list.append(obj.city)
    if data not in  begin_list:
        printer("您输入的[%s]不存在"%data,"a")
        sign = False
    return sign

def exist(data,list):
    '''
    对用户输入的数据是否存在实例对象进行判断的函数
    :param data: 用户输入的数据
    :param list: 实例对象列表
    :return: 信号
    '''
    begin_list = []
    sign = True
    for obj in list:
        begin_list.append(obj.name)
    if data in  begin_list:
        printer("[%s]已存在"%data,"error")
        sign =False
    return sign

def creat_teacher():
    '''
    创建老师实例对象函数
    :return: none
    '''
    teacher_list = BasicObj.gain_data("teacher")
    while True:
        printer("创建老师信息","info")
        name = input("请输入您创建的老师的名字>>>")
        sign = exist(name,teacher_list)
        if sign:
            level = input("请输入您创建的老师的等级>>>")
            teacher0 = Teacher("teacher",name,level)
            teacher0.save()
            data = "姓名[%s]-等级[%s]"%(name,level)
            printer(data,"info")
            break
        else:
            continue

def view_teacher():
    '''
    查看老师信息的函数
    :return: none
    '''
    teacher_list = BasicObj.gain_data("teacher")
    printer("----------老师信息----------","info")
    for obj in teacher_list:
        teacher_info = "姓名[%s]-等级[%s]-注册时间[%s]"%(obj.name,obj.level,obj.create_time)
        printer(teacher_info,"info")

def creat_class():
    '''
    创建班级函数
    :return: none
    '''
    class_list = BasicObj.gain_data("classes")
    teacher_list = BasicObj.gain_data("teacher")
    school_list = BasicObj.gain_data("school")
    course_list = BasicObj.gain_data("course")
    while True:
        printer("创建班级信息", "info")
        school_data()
        school = input("请选择校区>>>")
        sign0 = exist_school(school,school_list)
        if sign0:
            teacher_data()
            teacher = input("请选择授课老师>>>")
            sign1 = exist_parse(teacher,teacher_list)
            if sign1:
                course_data()
                course = input("请选择班级课程>>>")
                sign2 = exist_parse(course,course_list)
                if sign2:
                    name = input("请输入您创建的班级名称>>>")
                    class0 = Classes("classes",school,teacher,course,name)
                    sign3 = exist(name,class_list)
                    if sign3:
                        class0.save()
                        data = "校区[%s]-老师[%s]-课程[%s]-班级[%s]" % (school,teacher,course,name)
                        printer(data, "info")
                        break

def view_class():
    '''
    查看班级信息函数
    :return: none
    '''
    class_list = BasicObj.gain_data("classes")
    if len(class_list) != 0:
        printer("----------班级信息----------", "info")
        for obj in class_list:
            class_info = "校区[%s]-老师[%s]-课程[%s]-班级[%s]"%(obj.school,obj.teacher,obj.course,obj.name)
            printer(class_info,"info")
    else:
        printer("暂无班级信息","a")

def creat_course():
    '''
    创建课程函数
    :return: none
    '''
    course_list = BasicObj.gain_data("course")
    school_list = BasicObj.gain_data("school")
    while True:
        printer("创建课程信息", "info")
        school_data()
        school= input("请选择校区>>>")
        sign0 = exist_school(school,school_list)
        if sign0:
            name = input("请输入您创建的课程的名字>>>")
            sign1 = exist(name,course_list)
            if sign1:
                price = input("请输入您创建的课程的价格>>>")
                period = input("请输入您创建的课程的周期>>>")
                course0 = Course("course",name,price,period,school)
                course0.save()
                data = "姓名[%s]-价格[%s]-周期[%s]" % (name,price,period)
                printer(data, "info")
                break

def view_course():
    '''
    查看课程函数
    :return: none
    '''
    course_list = BasicObj.gain_data("course")
    printer("----------课程信息----------", "info")
    for obj in course_list:
        course_info = "课程名[%s]-价格[%s]-周期[%s]-校区[%s]"%(obj.name,obj.price,obj.period,obj.school)
        printer(course_info,"info")

def show_msg():
    '''
    打印管理员功能选择以及处理输入端哦选择
    :return: none
    '''
    tag = False
    while not tag:
        choice = {"2": creat_teacher, "1": view_teacher,"4": creat_class, "3": view_class,"6": creat_course, "5": view_course}
        msg = '''----------管理员系统----------
            1、查看老师
            2、创建老师
            3、查看班级
            4、创建班级
            5、查看课程
            6、创建课程
            '''
        printer(msg, "info")
        choose = input("请输入您选择>>>").strip()
        if choose.isdigit() and 0 < int(choose) <= len(choice):
            choice[choose]()
        else:
            printer("您输入的选择有误","error")

def admin_serve():
    '''
    管理员系统主函数
    :return: none
    '''
    sign = Admin.login()
    if sign:
        show_msg()

def school_data():
    '''
    打印学校实例对象信息
    :return: none
    '''
    school_list = BasicObj.gain_data("school")
    for obj in school_list:
        printer("学校[oldboy]-校区[%s]"%obj.city,"msg")

def classes_data():
    '''
    打印班级实例对象信息
    :return: none
    '''
    class_list = BasicObj.gain_data("classes")
    for obj in class_list:
        printer("可选班级:%s"%(obj.name),"msg")

def teacher_data():
    '''
    打印老师实例对象信息
    :return: none
    '''
    teacher_list = BasicObj.gain_data("teacher")
    for obj in teacher_list:
        printer("老师[%s]-等级[%s]"%(obj.name,obj.level),"msg")

def course_data():
    '''
    打印课程实例对象信息
    :return: none
    '''
    course_list = BasicObj.gain_data("course")
    for obj in course_list:
        printer("课程名[%s]-价格[%s]-周期[%s]-校区[%s]"%(obj.name,obj.price,obj.period,obj.school),"msg")

  func.py  逻辑主函数:

import os,sys
frame = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))),"lib")
sys.path.append(frame)
from common import printer
from admin import admin_serve
from teacher import teacher_serve
from student import student_serve
from main import BasicObj,Admin

def initialize():
    '''
    管理员初始化函数
    :return: none
    '''
    admin_list = BasicObj.gain_data("admin")
    list_name = []
    for obj in admin_list:
        list_name.append(obj.name)
    admin_name = input("请输入用户名>>>").strip()
    if admin_name in list_name:
        printer("您输入的用户名已存在","error")
    else:
        psd = input("请输入密码>>>").strip()
        admin0 = Admin("admin",admin_name,psd)
        printer("管理员创建成功","info")
        admin0.save()

def sys_func():
    '''
    程序的逻辑判断主函数
    :return:
    '''
    choice = {"1":admin_serve,"2":teacher_serve,"3":student_serve,"4":initialize}
    msg = '''----------欢迎光临选课系统----------
    1、管理员登陆
    2、老师登陆
    3、学生登陆
    4、管理员初始化
    '''
    while True:
        printer(msg,"info")
        choose = input("请输入您选择>>>").strip()
        if choose.isdigit() and 0 < int(choose) <= len(choice):
            choice[choose]()
        else:
            printer("您输入的选择有误","error")

# sys_func()

  student.py 学生系统逻辑函数:

import os,sys,time
frame = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))),"lib")
sys.path.append(frame)
from common import printer
from main import Student,BasicObj,StudentScore,StudentCharge
from admin import exist_parse,exist_school,school_data,teacher_data,course_data,classes_data

def fuck(name):
    '''
    对学生是否缴费进行判断的函数
    :param name: 学生名字
    :return: none
    '''
    tag = False
    charge_list = BasicObj.gain_data("charge")
    for obj in charge_list:
        if obj.name == name :
            if int(obj.charge) != 0:
                tag = True
    return tag

def goto_class():
    '''
    学生上课函数
    :return: none
    '''
    choose = input("是否开始上课(Y/N)>>>").strip()
    if choose == "y":
        info = '''您正在上课中。。。。。
        1、上厕所
        2、结束上课
        '''
        while True:
            printer(info,"info")
            what = input("你要干嘛>>>").strip()
            if what == "1":
                printer("上完记得冲厕所","msg")
            elif what == "2":break


def student_msg(student):
    '''
    学生信息以及缴费函数
    :param student: 学生名字
    :return: none
    '''
    student_list = BasicObj.gain_data("student")
    class_list = BasicObj.gain_data("classes")
    course_list = BasicObj.gain_data("course")
    for obj1 in student_list:
        if obj1.name == student:
            classes_info = obj1.classes
            for obj2 in class_list:
                if obj2.name == classes_info:
                    course_info = obj2.course
                    for obj3 in course_list:
                        if obj3.name == course_info:
                            printer("您的班级信息", "info")
                            printer("校区[%s]-老师[%s]-课程[%s]" % (obj2.school, obj2.teacher, obj2.course), "info")
                            printer("您的课程信息","info")
                            printer("名称[%s]-价格[%s]-周期[%s]"%(obj3.name,obj3.price,obj3.period),"info")
                            sign = fuck(student)
                            if not sign:
                                choose = input("您还未缴纳费用,请选项是否缴费(Y/N)>>>").strip()
                                if choose == "y":
                                    price = input("请输入您要缴纳的费用>>>")
                                    if int(price) == int(obj3.price):
                                        printer("缴费成功","info")
                                        charge0 = StudentCharge("charge",student,obj3.price)
                                        charge0.save()
                                        goto_class()
                                    elif int(price) < int(obj3.price):
                                        printer("你输入的费用不够,缴费失败","error")
                                    elif int(price) > int(obj3.price):
                                        left_money = int(price) - int(obj3.price)
                                        printer("缴费成功,您缴纳了%s,还剩下%s"%(obj3.price,left_money),"info")
                                        charge0 = StudentCharge("charge", student, obj3.price)
                                        charge0.save()
                                        goto_class()
                                else:
                                    printer("缴费失败", "error")
                            else:
                                printer("您已缴费,可以开始上课","info")
                                goto_class()


def student_regist(student):
    '''
    学生登录注册函数
    :param student: 学生名字
    :return: none
    '''
    school_list = BasicObj.gain_data("school")
    class_list = BasicObj.gain_data("classes")
    while True:
        name = input("请输入您的名字>>>").strip()
        school_data()
        school = input("请选择您入学的校区>>>").strip()
        if exist_school(school,school_list):
            classes_data()
            classes = input("请输入您要入学的班级>>>").strip()
            if exist_parse(classes,class_list):
                psd = input("请输入您的密码>>>").strip()
                student0 = Student("student",school,classes,name,psd)
                student0.save()
                charge = 0
                charge0 = StudentCharge("charge",name,charge)
                charge0.save()
                score = 0
                student_score0 = StudentScore("score",name,score)
                student_score0.save()
                data = "校区[%s]-班级[%s]-姓名[%s]" % (school,classes,name)
                printer("注册成功","error")
                printer(data,"info")
                student_msg(student)
                break

def student_serve():
    '''
    学生系统主函数
    :return: none
    '''
    student_dic = {}
    student_list = BasicObj.gain_data("student")
    for obj in student_list:
        student_dic[obj.name] = obj.psd
    student = input("请输入您的姓名>>>").strip()
    psd = input("请输入密码>>>").strip()
    if student_dic.get(student) == psd:
        student_msg(student)
    else:
        printer("您尚未注册,请先注册","a")
        student_regist(student)

  teacher.py 老师系统逻辑函数:

import os,sys,pickle
frame = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))),"lib")
sys.path.append(frame)

from common import printer
from main import Teacher,BasicObj,StudentScore
from admin import exist_parse,school_data,teacher_data,course_data

def check_info(data,list):
    '''
    老师信息在班级的处理函数
    :param data: 老师的名字
    :param list: 班级对象实例列表
    :return: 老师的班级列表
    '''
    res = []
    for obj in list:
        if obj.teacher == data:
            res.append(obj)
    return res

def class_manage(teacher):
    '''
    班级管理函数
    :param teacher: 老师的名字
    :return: 信号和老师班级列表
    '''
    sign = False
    class_list = BasicObj.gain_data("classes")
    res = check_info(teacher,class_list)
    printer("班级信息","info")
    if len(res) != 0:
        for i in res:
            printer("校区[%s]-老师[%s]-课程[%s]-班名[%s]"%(i.school,i.teacher,i.course,i.name),"info")
            sign = True
    else:
        printer("您还没有自己的班级,请先创建班级","error")
        sign = False
    return sign,res

def attend_class(teacher):
    '''
    老师选择上课班级的函数
    :param teacher:老师名字
    :return: none
    '''
    sign,res = class_manage(teacher)
    class_name = []
    if sign :
        while True:
            choose = input("请输入您要选择上课的班级名>>>").strip()
            for i in res:
                class_name.append(i.name)
            if choose in class_name:
                printer("选择上课班级成功","info")
                break
            else:
                printer("您输入的班级不存在","error")

def view_student(teacher):
    '''
    查看班级学生的函数
    :param teacher: 老师名字
    :return: none
    '''
    class_list = BasicObj.gain_data("classes")
    course_list = BasicObj.gain_data("course")
    student_list = BasicObj.gain_data("student")
    for obj1 in class_list:
        if obj1.teacher == teacher:
            class_name = obj1.name
            for obj2 in student_list:
                if obj2.classes == class_name:
                    printer("%s学生:%s"%(obj2.classes,obj2.name),"info")

def modify_score(teacher):
    '''
    修改学生成绩的函数
    :param teacher: 老师名字
    :return: none
    '''
    class_list = BasicObj.gain_data("classes")
    student_list = BasicObj.gain_data("student")
    score_list = BasicObj.gain_data("score")
    stu_list = []
    for obj1 in class_list:
        if obj1.teacher == teacher:
            class_name = obj1.name
            for obj2 in student_list:
                if obj2.classes == class_name:
                    stu_list.append(obj2.name)
    for obj3 in score_list:
        if obj3.name in stu_list:
            printer("学生%s:%s分"%(obj3.name,obj3.score),"info")
    # for i in stu_list:
    #     printer("学生%s:0分"%i,"info")
    st = input("请输入您要更改的学生的分数>>>")
    if st in stu_list:
        sc = input("请输入您修改的成绩(0-100)>>>>")
        if sc.isdigit and 0 <= int(sc) <= 100:
            st_score = StudentScore("score",st,int(sc))
            st_score.save()
            printer("修改成功","info")
        else:
            printer("您输入的分数错误","error")
    else:
        printer("您输入的学生不存在","error")

def teacher_msg(teacher):
    '''
    老师系统功能函数选项
    :param teacher: 老师名字
    :return: none
    '''
    choice = {"2": attend_class, "1": class_manage, "4": modify_score, "3": view_student}
    msg = '''----------老师系统----------
        1、管理班级
        2、选择班级
        3、查看学生
        4、修改成绩
        5、返回
        '''
    tag = False
    while not tag:
        printer(msg, "info")
        choose = input("请输入您的功能选项>>>").strip()
        if choose.isdigit() and 0 < int(choose) <= len(choice):
            choice[choose](teacher)
        elif choose == "5":
            tag = True
        else:
            printer("您输入的选择有误", "error")

def teacher_serve():
    '''
    老师系统主函数
    :return: none
    '''
    teacher_list = BasicObj.gain_data("teacher")
    teacher_data()
    teacher = input("请输入您的姓名>>>").strip()
    sign = exist_parse(teacher,teacher_list)
    if sign:
        teacher_msg(teacher)

六、界面显示

原文地址:https://www.cnblogs.com/japhi/p/6958223.html