import sys
# 名字，年龄，电话，自动生成学号
a = 'py1807'
all_student = ['hjj', {'name': 'hjj', 'age': 12, 'phone': 1234, 'stu_id': 'py1807000'}]
num = 1
bian = '* '*30
f = '>>>>'

def add_student():
        global num
        pd = 1
        global all_student
        a = ''
        while pd == 1:
            stu_id = '%s%s' % (a, str(num).rjust(4, '0'))
            stu_name = input('请输入学生姓名:'.rjust(19, ' '))
            stu_age = input('请输入学生年龄:'.rjust(19, ' '))
            stu_phone = input('请输入学生电话:'.rjust(19, ' '))
            all_student.append(stu_name)
            all_student.append({'name': stu_name, 'age': stu_age, 'phone': stu_phone, 'stu_id': '%s' % stu_id})
            num = num+1
            print('添加成功！！！'.rjust(19, ' '))
            b = '1.继续添加'
            c = '2.返回上一页'
            pd11 = input('%s\n%s\n%s\n%s\n%s' % (bian.rjust(71, ' '), b.rjust(41, ' '), c.rjust(42, ' '), bian.rjust(71, ' '), f.rjust(41, ' ')))
            if pd11 == '2':
                break
            elif pd11 == '1':
                pass
            else:
                b = '你的输入有误返回到上一层'
                print('%s\n' % b.rjust(44, ' '))
                break
        

def select_student():
    pd = 2
    while pd == 2:
        b = '1.查询所有学生信息'
        c = '2.根据学生姓名查询信息'
        pd_select = input('%s\n%s\n%s\n%s\n%s' % (
        bian.rjust(71, ' '), b.rjust(41, ' '), c.rjust(42, ' '), bian.rjust(71, ' '), f.rjust(41, ' ')))

        if pd_select == '1':
            for x in all_student:
                print(' '*10, x)
            b = '1.继续查询'
            c = '2.返回上一页'
            pd11 = input('%s\n%s\n%s\n%s\n%s' % (
            bian.rjust(71, ' '), b.rjust(41, ' '), c.rjust(42, ' '), bian.rjust(71, ' '), f.rjust(41, ' ')))

            if pd11 == '2':
                break
            elif pd11 == '1':
                pass
            else:
                b = '你的输入有误请重新输入'
                print('%s\n' % b.rjust(44, ' '))
                continue

        elif pd_select == '2':
            name_index = 0
            stu_pd = 0
            b = '请输入你想要查询的学生姓名:'
            name_select = input('%s' % b.rjust(42, ' '))
            for x in all_student:
                name_index += 1
                if name_select == x:
                    print(' '*10, all_student[name_index])
                    stu_pd = 1
            if stu_pd == 0:
                b = '你查找的学生不存在'
                print('%s' % b.rjust(40, ' '))
            b = '1.继续查询'
            c = '2.返回上一页'
            pd11 = input('%s\n%s\n%s\n%s\n%s' % (
            bian.rjust(71, ' '), b.rjust(41, ' '), c.rjust(42, ' '), bian.rjust(71, ' '), f.rjust(41, ' ')))

            if pd11 == '2':
                break
            elif pd11 == '1':
                pass
            else:
                b = '你的输入有误返回到上一层'
                print('%s\n' % b.rjust(44, ' '))
                break
        else:
            b = '你的输入有误重新输入'
            print('%s\n' % b.rjust(44, ' '))
            continue


def delete_student():
    pd = 3
    while pd == 3:
        pd_delete = input('请输入你想要删除的学生姓名:')

        index = 0
        name_index = []
        name_pd = 0
        if len(all_student) == 1:
            print('学生信息为空无法进行删除操作,返回到主页面')
            break
        else:
            for x in all_student[:]:
                index += 1
                if pd_delete == x:
                    name_index.append(index)
                    name_pd = 1
            if name_pd == 0:
                print('你输入的学生不存在,请重新输入')
                continue
            print(len(name_index))
            for x1 in range(len(name_index)):
                print('序号:%d' % name_index[x1], all_student[name_index[x1]])
            qr_delete = input('请确认删除信息，输入序号进行删除,r.重新输入,q.返回上一层\n')
            if qr_delete == 'r':
                continue
            elif qr_delete == 'q':
                break
            else:
                if int(qr_delete) not in name_index[:]:
                    print(qr_delete, name_index)
                    print('你输入序号有误重新输入')
                else:
                    del all_student[int(qr_delete)]
                    print('删除成功')
                    qr_1_delete = input('1.继续删除2返回上一层')
                    if qr_1_delete == '1':
                        continue
                    elif qr_1_delete == '2':
                        break
                    else:
                        print('输入信息有误返回到上一层！')



def manue(input_1):
    while input_1 == 1:
        print(' '*10, '* * * * * * * * * * * * hjj学生管理系统 * * * * * * * * * * *\n'
                      '           *                                                         *')
        b = '2.查找学生'
        c = '3.删除学生'
        d = '4.退出系统'
        e = '* '*30

        g = '*                                                         *'
        a = '1.添加学生\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s' % (g.rjust(70, ' '), b.rjust(41, ' '), g.rjust(70, ' '),
                                                                c.rjust(41, ' '), g.rjust(70, ' '),d.rjust(41, ' '), e.rjust(71, ' '),
                                                                f.rjust(41, ' '))
        pd1 = input(a.rjust(494, ' '))
        if pd1 == '1':
            add_student()

        elif pd1 == '2':
            select_student()
        elif pd1 == '3':
            delete_student()
        elif pd1 == '4':
            sys.exit()
        else:
            b = '你的输入有误请重新输入'
            print('%s\n' % b.rjust(44, ' '))
            pd1 = '1'


manue(1)