day7 作业学生管理系统

添加学生，查看学生，修改学生，删除学生均实现

studen_information = []
studen_information_fen = []
studen_infor5 = []
page2 = """
===========================
  "❤1","查看所有学生"
  "❤2","按学号查找"
  "❤3","按姓名查找"
  "❤4","返回"
===========================
"""
page3 = """
======================
❀1.姓名
❀2.性别
❀3.学号
❀4.年龄
❀5.电话
======================
"""
aaa = []
def aad_stu_infor(list1:list):
    """
    list1:添加学生的每一组信息，
    :param list1:
    :return:
    """
    list1 = []
    studen_name = input("请输入学生姓名：")
    list1.append(["name", studen_name])
    studen_sex = input("请输入学生性别：")
    list1.append(["sex", studen_sex])
    student_age = input("请输入学生年龄：")
    list1.append(["age", student_age])
    studen_tel = input("请输入学生电话：")
    list1.append(["tel", studen_tel])
    return list1


def print_information(dict1,nn = None):
    """
    打印出学生信息
    :param dict1: 
    :return: 
    """
    if nn == None:
        print("学号：%s," %dict1["xuehao"],
              "姓名：%s," %dict1["name"],
              "性别：%s," %dict1["sex"],
              "年龄：%s," %dict1["age"],
              "电话：%s," %dict1["tel"])
    else:
        item  = dict1[nn]
        print("学号：%s," %item["xuehao"],
              "姓名：%s," %item["name"],
              "性别：%s," %item["sex"],
              "年龄：%s," %item["age"],
              "电话：%s," %item["tel"])


def print_information11(dict1:list,index_count:int,weizhi_count:int ):
    """
    删除学生前打印出所有名字相同的学生打印出学生信息
    :param dict1: 
    :return: 
    """
    item  = dict1[index_count]
    print("编号：%s"%weizhi_count,"学号：%s," %item["xuehao"],
          "姓名：%s," %item["name"],
          "性别：%s," %item["sex"],
          "年龄：%s," %item["age"],
          "电话：%s," %item["tel"])


def iter_xuehao():
    """
    自动生成递增学号。
    :return: 
    """
    i = 1
    while True:
        yield "python1808" + str(i).rjust(3, "0")
        i += 1
gener = iter_xuehao()


def main_mean(n:int):
    """
    通过输入的数值，打印出主菜单对应的选项。
    :param n: 
    :return: 
    """
    function_mean = [
        ("❤1","添加学生"),
        ("❤2","查看学生"),
        ("❤3","修改学生信息"),
        ("❤4", "删除学生信息"),
        ("❤5", "返回")
    ]
    if n == 1:
        print(function_mean[n-1],":")
    elif n ==2:
        print(function_mean[n - 1], ":")
    elif n ==3:
        print(function_mean[n - 1], ":")
    elif n ==4:
        print(function_mean[n - 1], ":")
    else:
        print(function_mean[n - 1], ":")


def continue_or_no(choice:int):
    """
    判断是否执行继续添加学生信息
    :param choice: 
    :return: 
    """
    if int(choice) == 1:
        flag = True
    else:
        flag = False
    return flag


def function_mean1():
    """
    调用此函数打印主菜单。
    :return: 
    """
    print("==========================")
    function_mean = [
    ("❤1","添加学生"),
    ("❤2","查看学生"),
    ("❤3","修改学生信息"),
    ("❤4", "删除学生信息"),
    ("❤5", "返回")
]
    for i,v in  enumerate(function_mean,1):
        print(i,"   ",v)
    print("==============================")


def function_mean2():
    """
    调用此函数打印，学生信息录入员后的页面
    :return: 
    """
    function_mean22 = [
        ("❤1","继续"),
        ("❤2","返回")
]
    for i,v in  enumerate(function_mean22,1):
        print(i,"   ",v)


def changge_category(dict2: dict, num: int, num2:int):  # 修改学生信息函数
    """
    修改学生信息。
    :param dict2: 
    :param num: 
    :param str1: 
    :return: 
    """

    if num2 == 1:  #姓名
        new_name = input("改成什么？：")
        dict2[num]["name"] = new_name
    elif num2 == 2: #性别
        new_sex = input("改成什么？：")
        dict2[num]["sex"] = new_sex
    elif num2 == 3: #学号
        new_xuehao = input("改成什么？：")
        dict2[num]["xuehao"] = new_xuehao
    elif num2 == 4: #年龄
        new_age = input("改成什么？：")
        dict2[num]["age"] = new_age
    elif num2 == 5:  #电话
        new_tel = input("改成什么？：")
        dict2[num]["tel"] = new_tel
    else:
        print("无效输入")

def show_del_num(list3:list,str1:str):
    """
    显示即将删除学生的信息
    :param list3: 
    :param str1: 
    :return: 
    """
    count = 0
    count1 = 1
    count_a1 = []
    count1_a1 = []
    while count <= len(list3)-1:
        if list3[count]["name"] == str1:
            print_information11(list3,count,count1)
            count1_a1.append(count1)
            count1 += 1
            count_a1.append(count)
        count += 1
    return count1_a1,count_a1


def del_stu_infor(list3:list,num111:list,num222:list,input_:int):
    """
    删除学生信息
    :param list3: 
    :param num111: 
    :param num222: 
    :param input_: 
    :return: 
    """
    for item in num111:
        if input_ == item:
            aa = num11.index(item)
            list3.remove(list3[num222[aa]])


count_start = 1
while True:
    function_mean1()  # 调用函数
    cao_zuo = input("请输入1-5对学生进行管理：")
    if cao_zuo.isdigit():
        if int(cao_zuo) == 1:
            cao_zuo_int = int(cao_zuo)
            flag = True
            while flag:
                studen_information_fen = []
                studen_infor5 = []
                studen_infor3 = aad_stu_infor(studen_information_fen)
                studen_infor3.append(["xuehao", next(gener)])   #调用函数添加学生学号
                studen_infor5.append(studen_infor3)
                print("添加成功！！！")
                function_mean2()
                aa = input("请输入是否继续。输入1或者2：")
                flag = continue_or_no(aa)    #调用函数选择是否继续添加学生信息
                for item in studen_infor5:
                    new_item1 = dict(item)
                    aaa.append(new_item1)
        elif int(cao_zuo) == 2:
            flag = True
            while flag:
                main_mean(int(cao_zuo))
                print(page2)
                qqq = input("请输入1-4进行操作：")
                if 1 == int(qqq):
                    for item in aaa:
                        dict_studen_information = item
                        print_information(dict_studen_information)   #调用函数打印出学生信息
                elif int(qqq) == 2:
                    input_xuehao = input("请输入学号：")
                    a_j = 0
                    while a_j <= len(aaa) - 1:
                        if aaa[a_j]["xuehao"] == input_xuehao:
                            print_information(aaa,a_j)  #调用函数打印按学号查找的出学生信息
                        a_j += 1
                elif int(qqq) == 3:
                    input_name = input("请输入姓名：")
                    a_j = 0
                    while a_j <= len(aaa) - 1:
                        if aaa[a_j]["name"] == input_name:
                            print_information(aaa, a_j)    #调用函数打印按学号查找的出学生信息
                        a_j += 1
                else:
                    flag = False
                    print("返回主界面")
        elif int(cao_zuo) == 3:
            main_mean(int(cao_zuo))                           #调用函数打印第三部操作
            for item in aaa:
                dict_studen_information = item
                print_information(dict_studen_information)   ##调用函数打印出学生信息
            a =[]
            aa = input("你想修改哪个娃？：")
            count = 0
            while count <= len(aaa)-1:
                if aa == aaa[count]["name"]:
                    print(page3)
                    bb = int(input("修改哪项请输入编号："))
                    changge_category(aaa,count,bb)    #调用函数修改对应的编号
                count += 1
            for item in aaa:
                dict_studen_information = item
                print_information(dict_studen_information)
        elif int(cao_zuo) == 4:                               #删除
            main_mean(int(cao_zuo))
            for item in aaa:
                dict_studen_information = item
                print_information(dict_studen_information)   #调用函数打印学生信息
            aa = input("你想删除哪个娃？（输入名字）：")
            num11, num22 = show_del_num(aaa,aa)                 #显示即将删除的学生信息
            # print(num11,num22)
            del_num = int(input("你想删除哪个编号："))
            del_stu_infor(aaa,num11,num22,del_num)          #调用函数删除需要删除的项
            for item in aaa:
                dict_studen_information = item
                print_information(dict_studen_information)
        elif int(cao_zuo) == 5:
            main_mean(int(cao_zuo))
            break
        else:
            break
    else:
        print("输入的不是数字!!!!!!!!!!!!!!!!!!!!!!")
print(aaa)