Lesson0402_GetatrrWebsite.py
#!/usr/bin/env/python#-*-coding:utf-8-*-#Author:LingChongShi #查看源码Ctrl+左键def index(): print('欢迎访问XX网站')def login(): print('登录成功')def logout(): print('退出登录')class People(object): country='China' def __init__(self): pass def people_info(self): print('People类中people_info函数') Lesson0403_Getattr.py
#!/usr/bin/env/python#-*-coding:utf-8-*-#Author:LingChongShi #查看源码Ctrl+左键'''getattr()：根据字符串的形式去某个模块中查找X函数hasattr()：根据字符串的形式去某个模块判断X函数是否存在setattr()：根据字符串的形式去某个模块设置X函数delattr()：根据字符串的形式去某个模块删除X函数'''import Lesson04_Package.Lesson0402_GetatrrWebsite'''getattr(object,name,default):1、object:对象（模块）2、name:属性（函数/方法）3、default：无对应属性，返回的值，4、有对应属性，返回对象属性值'''getder=getattr(Lesson04_Package.Lesson0402_GetatrrWebsite,'index','-1')print(getder)getder()obj=Lesson04_Package.Lesson0402_GetatrrWebsite.People()getclass=getattr(obj,'people_info','-1')getclass()'''hasattr(object,name):1、object:对象（模块）2、name:属性（函数/方法）3、如果对象有该属性返回True，否则返回False'''has=hasattr(Lesson04_Package.Lesson0402_GetatrrWebsite,'login')print(has)obj=Lesson04_Package.Lesson0402_GetatrrWebsite.People()hasclass=hasattr(obj,'people_info')print(hasclass)'''setattr(object,name,value):1、object:对象（模块）2、name:属性（函数/方法）3、value：属性值4、无返回值'''set=setattr(Lesson04_Package.Lesson0402_GetatrrWebsite,'str','添加的字符串')has1=hasattr(Lesson04_Package.Lesson0402_GetatrrWebsite,'str')print(has1)get1=getattr(Lesson04_Package.Lesson0402_GetatrrWebsite,'str')print(get1)obj=Lesson04_Package.Lesson0402_GetatrrWebsite.People()setclass=setattr(obj,'exit','退出')hascalss=hasattr(obj,'exit')print(hasclass)'''delattr(object,name):1、object:对象（模块）2、name:属性（函数/方法）3、无返回值'''del1=delattr(Lesson04_Package.Lesson0402_GetatrrWebsite,'logout')has2=hasattr(Lesson04_Package.Lesson0402_GetatrrWebsite,'logout')print(has2)# get2=getattr(Lesson04_Package.Lesson0402_GetatrrWebsite,'logout')# print(get2)obj=Lesson04_Package.Lesson0402_GetatrrWebsite.Peoplehasclass=hasattr(obj,'people_info')print(hasclass)delclass=delattr(obj,'people_info')hasclass=hasattr(obj,'people_info')print(hasclass)