"""
学生管理系统
项目计划：
1.完成数据模型类StudentModel
2.完成逻辑控制类StudentManagerContrller
3.完成数据:学生列表__stu__list
4.行为:获取列表stu__list
5。添加学生 add_student
"""
class StudentModel:
"""
学生模型
"""
def __init__(self, name="", age=0, score=0, id=0):
"""
:param id: 学生对象唯一标识
:param name: 姓名
:param age:
:param score:
"""
self.id = id
self.name = name
self.age = age
self.score = score
class StudentManagerContrller:
__init = 0
def __init__(self):
self.__stu__list = []
@property
def stu__list(self):
return self.__stu__list
def add_student(self, stu_info):
stu_info.id = self.__generate_id()
self.__stu__list.append(stu_info)
def __generate_id(self):
"""
id自增一方法
:return:
"""
StudentManagerContrller.__init += 1
return StudentManagerContrller.__init
def remove_student(self, stu_id):
"""
根据id删除学生
:param stu_id:
:return:
"""
for item in self.__stu__list:
if item.id == stu_id:
self.__stu__list.remove(item)
return True
return False
def update_student(self, stu_info):
"""
根据stu_info.id修改学生信息
"""
for item in self.__stu__list:
if item.id == stu_info.id:
item.name = stu_info.name
item.age = stu_info.age
item.sccore = stu_info.score
return True
return False
def order_by_score(self):
"""
对学生数据进行排序，前面的跟后面比在交换
:return:
"""
for r in range(len(self.__stu__list)-1):
for c in range(r+1,len(self.__stu__list)):
if self.__stu__list[r].score>self.__stu__list[c].score:
self.__stu__list[r].score,self.__stu__list[c].score=self.__stu__list[c].score,self.__stu__list[r].score
class StudentManagerView:
"""
学生管理器视图
"""
def __init__(self):
self.__manager = StudentManagerContrller()
def __display_memu(self):
print("1)添加学生")
print("2)显示学生")
print("3)删除学生")
print("4)修改学生")
print("5)按照成绩升序学生")
def __select_memu(self):
item = input("请输入选择:")
if item == "1":
self.__input_stu()
elif item == "2":
self.__outprint(self.__manager.stu__list)
elif item == "3":
self.__del_stu()
elif item == "4":
self.__modify_student()
elif item == "5":
self.__ascend_score()
def __input_stu(self):
name = input("请输入姓名:")
age = input("请输入年龄:")
score = input("请输入分数:")
stu = StudentModel(name, age, score)
self.__manager.add_student(stu)
def __outprint(self, stu_list):
for item in stu_list:
print(item.id, item.name, item.age, item.score)
def __del_stu(self):
id = int(input("请输入id号删除:"))
self.__manager.remove_student(id)
def __modify_student(self):
id=int(input("请输入需要修改的学生的编号:"))
name = input("请输入新的学生名称:")
age = int(input("请输入新的学生年龄:"))
score = int(input("请输入新的学生成绩"))
stu = StudentModel(name,age,score,id)
if self.__manager.update_student(stu):
print("修改成功")
else:
print("修改失败")
def __ascend_score(self):
"""
:param stu_list:
:return:
"""
self.__manager.order_by_score()
self.__outprint(self.__manager.stu__list)
def main(self):
while True:
self.__display_memu()
self.__select_memu()
view = StudentManagerView()
view.main()
"""
测试代码
"""
"""
测试修改代码
"""
