2018-10-14 Day 11 学生管理系统

要求：

实现系统界面，功能界面，学号由迭代器或者生成器自动添加，实现添加学生、查询学生(按照姓名/学号查询)、修改学生(按照姓名或者学号修改学生的姓名/电话/年龄)、删除学生(按照学号/姓名删除)功能

ey_module模块

"""__author__ = 二扬"""

def sys_interface():
    """
     打印学生管理系统界面
    """
    print(("=" * 56).center(55, " "))
    print("*" + "欢迎来到二扬的学生管理系统".center(42) + "*")
    print("*" + " " *  54 + "*")
    print("*" + "1. 添加学生".center(50) + "*")
    print("*" + "2. 查询学生".center(50) + "*")
    print("*" + "3. 修改学生".center(50) + "*")
    print("*" + "4. 删除学生".center(50) + "*")
    print("*" + "5. 退出系统".center(50) + "*")
    print(("=" * 56).center(55, " "))


def add_function():
    add_name = input("请输入学生姓名: ")
    add_age = int(input("请输入学生年龄: "))
    add_tel = int(input("请输入学生电话: "))
    stu_information = {"name": add_name, "age": add_age, "tel": add_tel}
    return stu_information


list_id = list(range(1, 101))
id_iter = iter(list_id)
def id_function():
    add_id = next(id_iter)
    return add_id


def add_interface():
    print(("=" * 56).center(55, " "))
    print("*" + "1. 继续添加学生".center(49) + "*")
    print("*" + "2. 返回系统界面".center(49) + "*")
    print(("=" * 56).center(55, " "))


def seek_stu():
    print(("=" * 56).center(55, " "))
    print("*" + "1. 通过姓名查询".center(49) + "*")
    print("*" + "2. 通过学号查询".center(49) + "*")
    print("*" + "3. 查询所有学生".center(49) + "*")
    print("*" + "4. 返回系统界面".center(49) + "*")
    print(("=" * 56).center(55, " "))


def change_stu():
    print(("=" * 56).center(55, " "))
    print("*" + "1. 修改学生姓名".center(49) + "*")
    print("*" + "2. 修改学生年龄".center(49) + "*")
    print("*" + "3. 修改学生电话".center(49) + "*")
    print("*" + "4. 返回学生界面".center(49) + "*")
    print(("=" * 56).center(55, " "))


def delete_stu():
    print(("=" * 56).center(55, " "))
    print("*" + "1. 通过姓名删除".center(49) + "*")
    print("*" + "2. 通过学号删除".center(49) + "*")
    print("*" + "3. 返回系统界面".center(49) + "*")
    print(("=" * 56).center(55, " "))

学生管理系统

"""__author__ = 二扬"""

import ey_module

stu_list = []
key = 1
while key:
    ey_module.sys_interface()
    select = int(input("请输入您的选择: "))
    while True:
        if select == 1:     # 增加学生功能
            single_information = ey_module.add_function()
            stu_id = str(ey_module.id_function()).rjust(4, "0")
            single_information["id"] = ("python1807" + stu_id)
            stu_list.append(single_information)
            print("增加成功")
            print(stu_list)
            ey_module.add_interface()
            value = int(input("请选择: "))
            if value == 1:
                pass
            else:
                break

        elif select == 2:       # 查找学生功能
            ey_module.seek_stu()
            select_num = int(input("请选择: "))
            if select_num == 1:     # 姓名查找
                stu_name = input("请输入学生的姓名: ")
                seek_list = []
                for name_stu in stu_list:
                    if name_stu["name"] == stu_name:
                        seek_list.append(name_stu)
                if seek_list:
                    print(seek_list)
                else:
                    print("没有此学生，返回系统界面")


            elif select_num == 2:       # 学号查找
                seek_id = input("请输入学生学号: ")
                for id_seek in stu_list:
                    if id_seek["id"] == seek_id:
                        print(id_seek, "查询完毕，返回选择界面", sep="\n")
                        break
                else:
                    print("没有此学生，返回选择界面")
            elif select_num == 3:       # 查找全部学生
                print(stu_list, "查询完毕，返回选择界面", sep="\n")
            else:
                break

        elif select == 3:       # 修改学生功能
            ey_module.change_stu()
            select_num2 = int(input("请选择: "))
            if select_num2 == 1:        # 修改姓名
                name_change = input("输入被修改的学生姓名: ")
                change_name = input("输入被修改后的学生姓名: ")
                change_list = []
                dict_student = {}
                for change_stu in stu_list:
                    if change_stu["name"] == name_change:
                        dict_student = change_stu
                        change_list.append(change_stu)
                if len(change_list) == 1:
                    dict_student["name"] = change_name
                    print("修改成功，返回选择界面")
                    print(change_list)

                elif len(change_list[:]) > 1:
                    print(change_list)
                    change_name_num = int(input("请问你要修改列表中第几个人的信息："))
                    change_id = change_list[(change_name_num - 1)]["id"]
                    for id_ in stu_list:
                        if id_["id"] == change_id:
                            id_["name"] = change_name
                            print("修改成功, 返回选择界面")
                            print(id_)
                            break
                else:
                    print("没有此学生，返回选择界面")

            elif select_num2 == 2:      # 修改年龄
                name_change2 = input("请输入学生的姓名: ")
                change_age = int(input("输入被修改后的学生年龄: "))
                for change_stu2 in stu_list:
                    if change_stu2["name"] == name_change2:
                        change_stu2["age"] = change_age
                        print("修改成功，返回选择界面")
                        break
                else:
                    print("没有此学生，返回选择界面")
            elif select_num2 == 3:      # 修改电话
                name_change3 = input("请输入学生的姓名: ")
                change_tel = int(input("输入被修改后的学生电话: "))
                for change_stu3 in stu_list:
                    if change_stu3["name"] == name_change3:
                        change_stu3["tel"] = change_tel
                        print("修改成功，返回选择界面")
                        break
                else:
                    print("没有此学生，返回选择界面")
            else:
                break


        elif select == 4:       # 删除学生功能
            ey_module.delete_stu()
            select_num3 = int(input("请选择: "))
            if select_num3 == 1:        # 通过姓名删除
                delete_name = input("请输入被删除学生的姓名: ")
                name_list = []
                for name_delete in stu_list[:]:
                    if name_delete["name"] == delete_name:
                        name_list.append(name_delete)
                if name_list:
                    print(name_list)
                    del_name = int(input("请输入你要删除列表中的第几个学生的信息: "))
                    stu_list.remove(name_list[(del_name - 1)])
                    print("删除成功，返回选择界面")
                else:
                    print("没有此学生，返回选择界面")

            elif select_num3 == 2:      # 通过学号删除
                delete_num = input("请输入被删除学生的学号: ")
                for num_delete in stu_list[:]:
                    if num_delete["id"] == delete_num:
                        stu_list.remove(num_delete)
                        print("删除成功, 返回选择界面")
                        break
                else:
                    print("没有此学生，返回选择界面")
            else:
                break

        else:
            print("谢谢使用学生管理系统")
            key -= 1
            break