#!/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')

#!/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.People

hasclass=hasattr(obj,'people_info')

print(hasclass)

delclass=delattr(obj,'people_info')

hasclass=hasattr(obj,'people_info')

print(hasclass)