PYTHON面向对象之学生管理系统！

python面向对象之学生管理系统

话不多说，先看看代码（求关注+赞，努力写出好的东西！…^_ 谢谢！！）

#哪里有所不妥可以修改
#python面向对象之学生管理系统
import sys

class StudentManage:
student_list = []

#添加学生信息
def rank_score(self):
    b = int(input('降序还是逆序？'))
    self.student_list.sort(key = lambda x:int(x[5]),reverse = b)

def rank_number(self):
    c = int(input('将序还是升序？'))
    self.student_list.sort(key = lambda x:int(x[1]),reverse = c)

def print_students(self):
    title_old = ['学号','姓名','python','数学','英语','总分']
    print('\t'.join(title_old))
    for each_list in self.student_list:
        print('\t'.join(each_list))

def creat_new(self):
    with open('new.score.txt','w') as new_F:
        title_new = ['学号','姓名','python','数学','英语','总分']
        new_F.write('\t'.join(title_new)+'\n')

        for each_new in self.student_list:
            new_F.write('\t'.join(each_new)+'\n')

    print('创建新的成绩单成功!!!')

def add_student(self):
    new_student = []
    self.number = input('请输入姓名:')
    self.name = input('请输入学号:')
    self.python = input('请输入python的分数:')
    self.math = input('请输入数学的分数:')
    self.English =input('请输入英语的分数:')

    new_student.append(self.number)
    new_student.append(self.name)
    new_student.append(self.python)
    new_student.append(self.math)
    new_student.append(self.English)
    new_student.append(str(int(self.python)+int(self.math)+int(self.English)))
    self.student_list.append(new_student)


def read_in(self):
    with open('score.txt') as F:
        #一般文件的第一行为标题行，我们先不考虑
        F.readline()                        #移动文件指针到第一行末尾
        for each_line in F:
            read_new = []
            read_new = each_line.strip('\n').split('\t')  #之间的间隔都是tab
            read_new.append(str(int(read_new[2])+int(read_new[3])+int(read_new[4])))
            self.student_list.append(read_new)


def menu(self):
    while True:
        s1 = '某某大学学生管理系统'
        s2 = '1.读入已有学生信息'
        s3 = '2.添加学生信息'
        s4 = '3.以总成绩排序(1降序,0升序)'
        s5 = '4.以学号排序(1降序,0升序)'    #总分
        s8 = '5.打印当前学生信息'
        s6 = '6.存入一个新的文件中'
        s7 = '7.退出'
        print(s1.center(20,'-'),s2.ljust(20),s3.ljust(20),s4.ljust(20),s5.ljust(20),s6.ljust(20),s8.ljust(20),s7.ljust(20),sep = '\n')
        choice = int(input('CHOICE:'))
        if choice == 1:
            self.read_in()
            self.print_students()


        if choice == 2:
            self.add_student()
            self.print_students()

        if choice == 3:
            self.rank_score()
            self.print_students()

        if choice == 6:
            self.creat_new()

        if choice == 5:
            self.print_students()

        if choice == 7:
            sys.exit(0)

        if choice == 4:
            self.rank_number()
            self.print_students()

aa = StudentManage()
print(aa.menu())

效果图，比不上什么大流，对于初学者应该算不错的了，（都能看懂吧应该！）

^_ 关注一下吧，努力写出好东西