Python's built-in setattr function can dynamically set attributes given an object, a string representing an attribute name, and a value to assign.
Python setattr() function: The setattr() function is used to set the value of the specified attribute of the specified object.
The setattr() function sets the value of the specified attribute of the specified object.Syntaxsetattr(object, attribute, value) Parameter ValuesParameterDescription object Required. An object. attribute Required. The name of the attribute you want to set value Required. The value you want to give...
classfunction_demo(): name='demo'defrun(self):return"hello function"functiondemo=function_demo() res= hasattr(functiondemo,'age')#判断age属性是否存在,Falseprint(res) setattr(functiondemo,'age', 18 )#对age属性进行赋值,无返回值res1= hasattr(functiondemo,'age')#再次判断属性是否存在,Trueprint(...
The function assigns the value to the attribute, provided the object allows it. For example, setattr(x, 'foobar', 123) is equivalent to x.foobar = 123 说明: 1. setattr函数和getattr函数是对应的。一个设置对象的属性值,一个获取对象属性值。
Python内置函数(53)——setattr 英文文档: setattr(object,name,value) This is the counterpart ofgetattr(). The arguments are an object, a string and an arbitrary value. The string may name an existing attribute or a new attribute. The function assigns the value to the attribute, provided the ...
setattr() 函数对应函数 getattr(),用于设置属性值,该属性不一定是存在的。 语法 setattr() 语法: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 setattr(object, name, value) 参数 object -- 对象。 name -- 字符串,对象属性。 value -- 属性值。
python attr有关的函数 python setattr getattr 类反射的四个基本函数 hasattr getattr setattr delattr #反射 class BlackMedium: feature = 'Ugly' def __init__(self,name, addr): = name self.addr = addr def sell_house(self): print('[%s]正在卖房子,xx才买呢'%)...
setattr(obj,'age',18) print(obj.__dict__) #{'name': 'aaa', 'age': 18} print(People.__dict__) #{'__module__': '__main__', 'country': 'China', '__init__': <function People.__init__ at 0x1007d5620>, 'people_info': <function People.people_info at 0x10215d1e0>,...
1.setattr() 功能: 用于设置属性值,该属性不一定是存在的 语法格式: setattr(object, name, value) #参数说明: object 对象。 name 字符串,对象属性。 value 属性值。 实例: class Student(): name = "zhangsan" s = Student() ...