1. 使用点操作符(.):
```python
class Person:
def __init__(self, name, age):
self.name = name
self.age = age
person = Person("Alice", 30)
print(person.name) 输出:Alice
print(person.age) 输出:30
2. 使用`getattr()`函数:
```python
class Person:
def __init__(self, name, age):
self.name = name
self.age = age
person = Person("Alice", 30)
print(getattr(person, "name")) 输出:Alice
print(getattr(person, "age")) 输出:30
3. 使用`dir()`函数:
```python
class Person:
def __init__(self, name, age):
self.name = name
self.age = age
person = Person("Alice", 30)
print(dir(person)) 输出包含 'name' 和 'age' 在内的属性列表
4. 使用`hasattr()`函数检查属性是否存在:
```python
class Person:
def __init__(self, name, age):
self.name = name
self.age = age
person = Person("Alice", 30)
print(hasattr(person, "name")) 输出:True
print(hasattr(person, "gender")) 输出:False
以上方法可以帮助你查看Python类的属性值