def main():
mainAction = ActionItem(
'',
'', [addAction, editAction, deleteAction, queryAction, sortAction],
footerTip=''.center(34, '-'),
headerTip='学生管理系统'.center(30, '-'),
prompt='功能菜单',
isMain=True)
ActionItem.mainAction = mainAction
mainAction.start()
def createStudent(cls, isAdd):
no = cls.getInputStuno(isAdd)
attrs = {}
for attr in [{'key': 'name', 'name': '姓名'}, {'key': 'age', 'name': '年龄'}, {'key': 'score', 'name': '分数'}]:
attrs[attr['key']] = ActionItem('', '', [], validate=False,
prompt=f'学生{attr["name"]}').start()
return Student(no, **attrs)
def getInputStuno(cls, isAdd=True, isAllowNull=False):
if not isAdd and len(cls.allStus) == 0:
print('还没有录入学生信息')
ActionItem.mainAction.start()
else:
return ActionItem('', '', [], validate=lambda value, *args: cls.validateNo(value, isAdd, isAllowNull),
prompt=f'学生编号{"(空表示所有)" if isAllowNull else ""}').start()
from common.ActionItem import ActionItem
from module.Student import Student
from data.Student import updateStudent
# 添加学生
def update(isAdd=True):
newStu = Student.createStudent(isAdd)
operator = '添加' if isAdd else '修改'
updateStudent(newStu, isAdd)
print(f'学生信息[{newStu.toFileString()}]已经{operator}成功')
# 新增信息
addAction = ActionItem('1', '录入学生信息', update)
# 编辑信息
editAction = ActionItem('2', '修改学生信息', lambda: update(False))
from common.ActionItem import ActionItem
from module.Student import Student
from data.Student import delStudent
# 添加学生
def delete():
delStudent(Student.getInputStuno(False))
print(f'学生[{stuno}]已经删除成功')
deleteAction = ActionItem('3', '删除学生信息', delete)
from common.ActionItem import ActionItem
from module.Student import Student
from data.Student import sortStudent, getAllStudent
# 添加学生
def sortFunc(sortKey):
sortStudent(sortKey)
print('排序完成结果为：')
print('编号\t\t姓名\t\t年龄\t\t分数')
for stu in getAllStudent():
print(stu)
childrenAction = [
ActionItem(str(index + 1),
item['name'],
lambda item=item: sortFunc(item['key']))
for index, item in enumerate(Student.getSortableAttrs())
]
sortAction = ActionItem('5', '排序学生', childrenAction, prompt='排序类型')
from common.ActionItem import ActionItem
from module.Student import Student
from data.Student import queryStudent
# 添加学生
def query():
stus = queryStudent(Student.getInputStuno(False, True))
print('查询结果为：')
print('编号\t\t姓名\t\t年龄\t\t分数')
for stu in stus:
print(stu)
queryAction = ActionItem('4', '查找学生信息', query)