def update_grade(teacher_id):
student_lst = TeacherCtrl.print_student(teacher_id)
n = int(input("输入学生编号：").strip())
student = student_lst[n]
student_id = getattr(student, 'id')
course_id = Util.choose_class_course(getattr(student, 'class_id'))
grade = int(input("输入分数:").strip())
db_name = "student"
lst = Util.read_data(db_name)
for student in lst:
if getattr(student, 'id') == student_id:
if hasattr(student, 'grades'):
grades = getattr(student, 'grades')
else:
grades = []
for item in grades:
if item['course_id'] == course_id:
item['grade'] = grade
break
else:
item = {'course_id': course_id, 'grade': grade}
grades.append(item)
setattr(student, 'grades', item)
Util.update(db_name, lst)
def create_school(mark):
db_name = "school"
print("-----创建学校:-----")
name = input("名称：").strip()
address = input("地址：").strip()
id = Util.getid(db_name)
obj = School(id, name, address)
Util.save(db_name, obj)
def pay_fee(student_id):
"""
交学费
:return:
"""
db_name = "student"
lst = Util.read_data(db_name)
for student in lst:
if getattr(student, 'id') == student_id:
setattr(student, 'fee_ispaid', True)
Util.update(db_name, lst)
print("@-缴费成功!")
def create_teacher(mark):
"""
创建讲师角色时要关联学校
:return:
"""
db_name = "teacher"
print("-----创建讲师:-----")
name = input("姓名：").strip()
school_id = Util.choose_school()
if not school_id:
return
id = Util.getid(db_name)
obj = Teacher(id, name, school_id)
Util.save(db_name, obj)
def create_course(mark):
"""
课程包含，周期，价格，通过学校创建课程
:return:
"""
db_name = "course"
print("-----创建课程:-----")
name = input("课程名：").strip()
cycle = input("周期：").strip()
price = input("学费：").strip()
school_id = Util.choose_school()
if not school_id:
return
id = Util.getid(db_name)
obj = Course(id, name, cycle, price, school_id)
Util.save(db_name, obj)
def create_student(mark):
"""
5. 创建学员时，选择学校，关联班级
:return:
"""
db_name = "student"
print("-----学员注册:-----")
name = input("姓名：").strip()
school_id = Util.choose_school()
if not school_id:
return
class_id = Util.choose_class(school_id)
if not class_id:
return
id = Util.getid(db_name)
obj = Student(id, name, school_id, class_id)
Util.save(db_name, obj)
def login(view_type):
while True:
print("-----登录-----")
username = input('用户名:').strip();
# password = input('密码:').strip(); #省去密码验证功能
if view_type == 'm':
if username == 'admin':
break
else:
continue
elif view_type == 's':
lst = Util.read_data('student');
elif view_type == 't':
lst = Util.read_data('teacher');
for v in lst:
if username == getattr(v, 'name'):
print("登录成功:", v.__dict__)
return getattr(v, 'id');
print("$-用户错误,重新登录!")
def create_class(mark):
"""
通过学校创建班级， 班级关联课程、讲师
:return:
"""
db_name = "class"
print("-----创建班级:-----")
name = input("名称：").strip()
school_id = Util.choose_school()
if not school_id:
return
courses = []
while True:
course_id = Util.choose_course(school_id)
teacher_id = Util.choose_teacher(school_id)
if not course_id or not teacher_id:
print("$-选择错误!")
cou = {"course_id": course_id, "teacher_id": teacher_id}
courses.append(cou)
n = input("输入1继续选择课程与教师:")
if n != 1:
break
id = Util.getid(db_name)
obj = Class(id, name, school_id, courses)
Util.save(db_name, obj)
def print_class(teacher_id):
"""
查看班级
:param teacher_id:
:return:
"""
lst = Util.read_data("class")
new_lst = []
for index, item in enumerate(lst):
courses = getattr(item, "courses")
for course in courses:
if course['teacher_id'] == teacher_id:
new_lst.append(item)
print(index, ":", item.__dict__)
print("-----------------")
return new_lst
def print_student(teacher_id):
"""
查看学生
:param teacher_id:
:return:
"""
print("@@@@@先选择班级@@@@@")
class_lst = TeacherCtrl.print_class(teacher_id)
n = int(input("输入班级编号：").strip())
class_id = getattr(class_lst[n], 'id')
lst = Util.read_data("student")
new_lst = []
print("@@@@@学生列表@@@@@")
for index, item in enumerate(lst):
if getattr(item, "class_id") == class_id:
new_lst.append(item)
print(index, ":", item.__dict__)
print("-----------------")
return new_lst