"""
步骤一:
数据模型类:StudentModel
数据:姓名 name,年龄 age,成绩 score,编号 id
逻辑控制类:StudentManagerController
数据:学生列表 _stu_list
行为:获取列表stu_List
添加学生 add_student
修改学生 update_student(new_stu)
根据成绩升序排列 order_by_score
步骤二:
界面视图类:StudentManagerView
行为:
显示菜单__display_menu,
选择菜单项__select_menu_item,入口逻辑main,
输入学生__input_students,
显示学生信息__output_students
删除学生信息__delete_student
修改学生信息__modify_student
"""
class StudentModel:
def __init__(self, name, age, score, id=0):
self.name = name
self.age = age
self.score = score
self.id = id
class StudentManagerController:
init_id = 1000
@classmethod
def __generate__id(cls, stu):
stu.id = cls.init_id
cls.init_id += 1
def __init__(self):
self.__stu_list = []
@property
def stu_list(self):
return self.__stu_list
def add_student(self, stu):
StudentManagerController.__generate__id(stu)
self.__stu_list.append(stu)
def remove_student(self, stu_id):
"""
移除学生信息
: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, new_stu):
for item in self.__stu_list:
if item.id == new_stu.id:
item.name = new_stu.name
item.age = new_stu.age
item.score = new_stu.score
return True
return False
def order_by_score(self):
for r in range(len(self.__stu_list) - 1):
for c in range(r + 1, len(self.__stu_list)):
if self.__stu_list[r] > self.__stu_list[c]:
self.__stu_list[r], self.__stu_list[c] = self.__stu_list[c], self.__stu_list[r]
class StudentManagerView:
"""
学生管理视图:负责界面逻辑
"""
def __init__(self):
self.__controller = StudentManagerController()
def __display_menu(self):
print("1)添加学生信息")
print("1)显示学生信息")
print("1)删除学生信息")
print("1)修改学生信息")
print("1)根据成绩升序排列")
def __select_menu(self):
item = input("请输入选项:")
if item == "1":
self.__input_student()
elif item == "2":
self.__output_students()
elif item == "3":
self.__delete_students()
elif item == "4":
self.__modify_students()
elif item == "5":
self.__output_students_order_by_score()
def main(self):
while True:
self.__display_menu()
self.__select_menu()
def __input_student(self):
name = input("请输入学生姓名:")
score = int(input("请输入学生成绩:"))
age = int(input("请输入学生年龄:"))
stu = StudentModel(name, age, score)
self.__controller.add_student(stu)
def __output_students(self):
for item in self.__controller.stu_list:
print('学生编号:%d,姓名是%s,年龄是%d,成绩是%d.' % (item.id, item.name, item.age, item.score))
def __delete_students(self):
stu_id = (input('请输入编号:'))
if self.__controller.remove_student(stu_id):
print('删除成功')
else:
print('删除失败')
def __modify_students(self):
stu = StudentModel()
id = int(input('请输入需要修改的学生编号'))
stu.name = int(input('请输入需要修改的学生姓名'))
stu.age = int(input('请输入需要修改的学生年龄'))
stu.score = int(input('请输入需要修改的学生成绩'))
# stu = StudentModel(name, age, score, id)
if self.__controller.update_student(stu):
print('修改成功')
else:
print('修改失败')
def __output_students_order_by_score(self):
self.__controller.order_by_score()
self.__output_students()
view = StudentManagerView()
view.main()
# # 测试
# controller = StudentManagerController()
# data01 = StudentModel('悟空', 23, 96)
# controller.add_student(data01)
# controller.remove_student(1006)
# controller.update_student(StudentModel('孙悟空', 24, 97, 1000))
# for i in controller.stu_list:
# print(i.id, i.name)
mvc信息管理系统
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转载自blog.csdn.net/jtpython666/article/details/120631199
周排行