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  • 反射的应用

    class Teacher:
        OPERATE_DIC = [
            ('创建课程', 'create_course'),
            ('创造学生', 'create_student'),
            ('创建课程', 'create_course'),
            ('查看学生信息', 'check_student_info'),
        ]
    
        def __init__(self, name):
            self.name = name
    
        def create_course(self):
            print('创建课程')
    
        def create_student(self):
            print('创建学生')
    
        def check_student_info(self):
            print('查看学生信息')
    
        def check_all_student(self):
            print('查看所有学生')
    
    
    class Student:
        OPERATE_DIC = [
            ('查看所有课程', 'check_course'),
            ('选择课程', 'choose_course'),
            ('查看已选择的课程', 'choosed_course')
        ]
    
        def __init__(self, name):
            self.name = name
    
        def check_course(self):
            print('查看课程')
    
        def choose_course(self):
            print('选择课程')
    
        def choosed_course(self):
            print('查看已选课程')
    
    
    def longin():
        username = input('输入账号:')
        password = input('输入密码:')
    
        with open('userinfo.txt', 'r', encoding='utf-8') as f:
            for line in f:
                user, pwd, ident = line.split()
                if user == username and pwd == password:
                    print('登录成功!')
                    return username, ident
    
    
    import sys
    
    
    def main():
        usr, id = longin()
        print('user,id:', usr, id)
        file = sys.modules['__main__']
        cls = getattr(file, id)
        print(cls)
        obj = cls(usr)
        operate_dic = cls.OPERATE_DIC
        while 1:
            for num, i in enumerate(operate_dic, 1):
                print(num, i[0])
    
            choice = int(input('num>>>'))
            choice_item = operate_dic[choice - 1]
            getattr(obj, choice_item[1])()
    
    
    main()
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  • 原文地址:https://www.cnblogs.com/xiao-xue-di/p/9399253.html
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