python选课系统完整版
2021-07-09 20:04
标签:class 显示 说明 NPU 位置 creat 分享图片 学生 ict 角色:学校、学员、课程、讲师 10. 上面的操作产生的数据都通过pickle序列化保存到文件里 登录界面 增加课程 增加班级(选择学校会显示已有的课程,班级): 增加教师: 学生报名: 老师方法: 注:这个系统支持一个课程有多个班级,一个同学选择多门课程,一个老师任教多个班级。以上代码仅是部分功能测试。 python选课系统完整版 标签:class 显示 说明 NPU 位置 creat 分享图片 学生 ict 原文地址:https://www.cnblogs.com/linshuhui/p/9565134.html一、需求
要求:
1. 创建北京、上海 2 所学校
2. 创建linux , python , go 3个课程 , linux\py 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
7. 学员视图, 可以注册, 交学费, 选择班级,
8. 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
9. 管理视图,创建讲师, 创建班级,创建课程二、代码
import os, pickle
BASR_DIR = os.path.dirname(os.path.abspath(__file__))
__school_db = os.path.join(BASR_DIR, ‘school_db‘)
__teacher_db = os.path.join(BASR_DIR, ‘teacher_db‘)
def init_database():
if not os.path.exists(__school_db):
bj = School(‘北京‘, ‘北京沙河‘)
sh = School(‘上海‘, ‘上海市‘)
dic = {bj: [], sh: []}
file_opration(__school_db, ‘wb‘, dic)
if not os.path.exists(__teacher_db):
dic = {}
file_opration(__teacher_db, ‘wb‘, dic)
def file_opration(file, mode, *args):
if mode == ‘wb‘:
with open(file, mode)as f:
f.write(pickle.dumps(args[0]))
if mode == ‘rb‘:
with open(file, mode) as f:
return pickle.loads(f.read())
class School:
def __init__(self, name, addr):
self.name = name
self.addr = addr
def msg_display(self):
print(‘校区名称:\033[1;32m%s\033[0m 校区位置:\033[1;32m %s\033[0m‘ % (self.name, self.addr))
def create_course(self, course_obj, school_dict, file):
school_dict[self].append(course_obj)
file_opration(file, ‘wb‘, school_dict)
class Course:
def __init__(self, name, price, time):
self.name = name
self.price = price
self.time = time
self.classes = {}
def msg_display(self):
print(‘【课程】:\033[1;32m%s\033[0m 【价格】:\033[1;32m%s\033[0m 【周期】:\033[1;32m%s\033[0m‘ % (
self.name, self.price, self.time))
def create_class(self, class_obj):
self.classes[class_obj.name] = class_obj
class Class:
def __init__(self, name):
self.name = name
self.students = {}
self.teachers = {}
class Teacher:
def __init__(self, name):
self.name = name
class Student:
def __init__(self, name, age):
self.name = name
self.age = age
def main_center():
flag = True
while flag:
print(‘********\033[1;35m欢迎来到管理员系统\033[0m!**********‘)
choice = input(‘输入1:增加课程\n输入2:增加班级\n输入3:增加教师\n输入4:返回\n‘).strip()
school_dict = file_opration(__school_db, ‘rb‘)
if choice == ‘1‘:
for i in school_dict:
i.msg_display()
while 1:
school_choice = input("请输入需要创建课程的校区名称:\n")
if school_choice == ‘北京‘ or school_choice == ‘上海‘:
for i in school_dict:
if i.name == school_choice:
school_obj = i
course_name = input("请输入课程名称\n")
price = input("请输入课程价格\n")
time = input("请输入课程周期\n")
course_obj = Course(course_name, price, time)
school_obj.create_course(course_obj, school_dict, __school_db)
print("\033[1;35m增加课程成功\033[0m")
break
else:
print("\033[1;35m别瞎几把乱输!输入学校名称,懂??\033[0m")
elif choice == ‘2‘:
for i in school_dict:
i.msg_display()
while flag:
school_choice = input("请输入需要创建班级的校区名称:\n")
if school_choice == ‘北京‘ or school_choice == ‘上海‘:
for i in school_dict:
if i.name == school_choice:
school_obj = i
if not school_dict[school_obj]:
print("\033[1;35m你脑袋在想啥?没建课程,就想创班级??\033[0m")
break
print(‘******\033[1;32m%s校区已有的课程如下:\033[0m******‘ % (school_choice))
course_name_list = []
for i in school_dict[school_obj]:
course_name_list.append(i.name)
i.msg_display()
while 1:
course_name = input("请输入课程名称\n")
if course_name in course_name_list:
for i in school_dict[school_obj]:
if i.name == course_name:
if i.classes:
print("%s课程已有的班级如下:" % (i.name))
for j in i.classes:
print(j)
else:
print("该课程该没有班级,请创建。")
class_name = input("请输入要新建的班级名称:\n")
new_class_obj = Class(class_name)
i.create_class(new_class_obj)
file_opration(__school_db, ‘wb‘, school_dict)
print("\033[1;32m创建成功!\033[0m")
flag = False
break
break
else:
print("\033[1;35m输入已有课程的名字!understand?\033[0m")
else:
print("\033[1;35m别瞎几把乱输!输入学校名称,懂??\033[0m")
elif choice == ‘3‘:
flag = True
for i in school_dict:
i.msg_display()
while flag:
school_choice = input("请输入需要招聘教师的校区名称:\n")
if school_choice == ‘北京‘ or school_choice == ‘上海‘:
for i in school_dict:
if i.name == school_choice:
school_obj = i
if not school_dict[school_obj]:
print("\033[1;35m你脑袋在想啥?课程都没有,招老师去干吗??\033[0m")
break
print(‘******\033[1;32m%s校区已有的课程如下:\033[0m******‘ % (school_choice))
course_name_list = []
for i in school_dict[school_obj]:
course_name_list.append(i.name)
i.msg_display()
flag2 = True
while flag2:
course_name = input("请输入需要招聘教师的课程名称\n")
if course_name in course_name_list:
for i in school_dict[school_obj]:
if i.name == course_name:
if i.classes:
print("%s课程已有的班级如下:" % (i.name))
for j in i.classes:
print(j)
else:
print("该课程该没有班级,请创建后再进行教师招聘。")
flag2 = False
flag = False
break
while 1:
class_name = input("请输入要招聘教师的班级名称:\n").strip()
teacher_name = input("请输入教师名字:\n")
teacher_obj = Teacher(teacher_name)
if class_name in i.classes:
i.classes[class_name].teachers[teacher_name] = teacher_obj
file_opration(__school_db, ‘wb‘, school_dict)
print("\033[1;32m招聘成功!\033[0m")
else:
print("\033[1;35m输入班级名称!!!\033[0m")
flag = False
break
break
else:
print("\033[1;35m输入已有课程的名字!understand?\033[0m")
else:
print("\033[1;35m别瞎几把乱输!输入学校名称,懂??\033[0m")
elif choice == ‘4‘:
break
else:
print("\033[1;35m别瞎几把乱输!输入1、2、3,懂??\033[0m")
def studet_center():
print(‘********\033[1;35m欢迎来到学生系统\033[0m!**********‘)
school_dict = file_opration(__school_db, ‘rb‘)
while 1:
choice = input(‘输入1:报名\n输入2:返回\n‘).strip()
if choice == ‘1‘:
student_name = input("请输入您的姓名:\n").strip()
student_age = input("请输入您的年龄:\n").strip()
student_obj = Student(student_name, student_age)
flag = True
for i in school_dict:
i.msg_display()
while flag:
school_choice = input("请输入需要要报名的校区名称:\n")
if school_choice == ‘北京‘ or school_choice == ‘上海‘:
for i in school_dict:
if i.name == school_choice:
school_obj = i
if not school_dict[school_obj]:
print("\033[1;35m你脑袋在想啥?课程都没有,报啥名??\033[0m")
break
print(‘******\033[1;32m%s校区已有的课程如下:\033[0m******‘ % (school_choice))
course_name_list = []
for i in school_dict[school_obj]:
course_name_list.append(i.name)
i.msg_display()
flag2 = True
while flag2:
course_name = input("请输入需要加入的课程名称\n")
if course_name in course_name_list:
for i in school_dict[school_obj]:
if i.name == course_name:
if i.classes:
print("%s课程已有的班级如下:" % (i.name))
for j in i.classes:
print(j)
else:
print("该课程班级都没有,报啥子名,去哪上课??")
flag2 = False
flag = False
break
while 1:
class_name = input("请输入加入的班级名称:\n").strip()
if class_name in i.classes:
print("这门课要%s元,请确认你有钱吗?" % (i.price))
stu_choice = input("这么贵你还要报名吗?Y/N\n").strip()
if stu_choice.lower() == ‘y‘:
i.classes[class_name].students[student_name] = student_obj
file_opration(__school_db, ‘wb‘, school_dict)
print("\033[1;32m报名成功!\033[0m")
flag = False
break
else:
print("\033[1;32m穷鬼!!\033[0m\n")
flag = False
break
else:
print("\033[1;35m输入班级名称!!!\033[0m")
break
else:
print("\033[1;35m输入已有课程的名字!understand?\033[0m")
else:
print("\033[1;35m别瞎几把乱输!输入学校名称,懂??\033[0m")
elif choice == ‘2‘:
break
else:
print("\033[1;35m别瞎几把乱输!输入1、2,懂??\033[0m")
def teacher_center():
print(‘********\033[1;35m欢迎来到教师管理系统\033[0m!**********‘)
teacher_name = input("请输入您的姓名").strip()
school_dict = file_opration(__school_db, ‘rb‘)
while 1:
choice = input(‘输入1:查看学生信息 输入2:选择班级上课 输入3:返回\n‘).strip()
teacher_exit = False
if choice == ‘1‘:
for i in school_dict:
for course_obj in school_dict[i]:
for class_obj in course_obj.classes.values():
if teacher_name in class_obj.teachers:
teacher_exit = True
print("***您的班级:\033[1;35m%s\033[0m,当前学生如下:" % (class_obj.name))
for i in class_obj.students:
print(i, end=‘ ‘)
print()
if teacher_exit == False:
print("没有这个老师,请重新检查后再输入")
break
elif choice == ‘2‘:
class_dic = {}
for i in school_dict:
for course_obj in school_dict[i]:
for class_obj in course_obj.classes.values():
if teacher_name in class_obj.teachers:
teacher_exit = True
class_dic[class_obj.name] = class_obj
if teacher_exit == False:
print("没有这个老师,请重新检查后再输入")
break
print("您当前授课的班级如下请输出班级名称:")
for j in class_dic:
print(j, end=‘‘)
print()
cls_choice = input(">>>:").strip()
if cls_choice in class_dic:
print("成功在\033[1;32m%s\033[0m上课" % (cls_choice))
elif choice == ‘3‘:
break
else:
print("\033[1;35m别瞎几把乱输!输入1、2、3,懂??\033[0m")
def main():
print(‘********\033[1;35m欢迎来到老男孩学生管理系统\033[0m!**********‘)
while 1:
choice = input(‘输入1:学生登录\n输入2:教师登录\n输入3:管理员登录\n输入q:退出\n‘).strip()
if choice == ‘1‘:
studet_center()
elif choice == ‘2‘:
teacher_center()
elif choice == ‘3‘:
main_center()
elif choice.upper() == ‘Q‘:
break
else:
print("\033[1;35m别瞎几把乱输!输入学校名称,懂??\033[0m")
if __name__ == ‘__main__‘:
init_database()
main()
三、关于程序的相关说明
1、这个系统支持一个课程有多个班级,一个同学选择多门课程,一个老师任教多个班级。
2、系统功能基本实现,但是代码还很low,而且还没拆分程序,做文件目录。
三、测试