{"id":680,"date":"2026-03-15T20:57:00","date_gmt":"2026-03-15T12:57:00","guid":{"rendered":"https:\/\/mitongxue.cn\/?p=680"},"modified":"2026-07-14T21:04:51","modified_gmt":"2026-07-14T13:04:51","slug":"python-%e9%ad%94%e6%9c%af%e6%96%b9%e6%b3%95%e8%af%a6%e7%bb%86","status":"publish","type":"post","link":"https:\/\/mitongxue.cn\/index.php\/2026\/03\/15\/python-%e9%ad%94%e6%9c%af%e6%96%b9%e6%b3%95%e8%af%a6%e7%bb%86\/","title":{"rendered":"Python \u9b54\u672f\u65b9\u6cd5\u8be6\u7ec6"},"content":{"rendered":"\n

\u9b54\u672f\u65b9\u6cd5\uff08Magic Methods\uff09\u662f Python \u4e2d\u4ee5\u53cc\u4e0b\u5212\u7ebf\u5f00\u5934\u548c\u7ed3\u5c3e<\/strong>\u7684\u7279\u6b8a\u65b9\u6cd5\uff0c\u5982 __init__<\/code>\u3001__str__<\/code>\u3002\u5b83\u4eec\u4e0d\u9700\u8981\u663e\u5f0f\u8c03\u7528\uff0c\u800c\u662f\u7531 Python \u5728\u7279\u5b9a\u573a\u666f\u4e0b\u81ea\u52a8\u89e6\u53d1<\/strong>\u3002<\/p>\n\n\n\n

\u5b57\u7b26\u4e32\u8868\u793a<\/h2>\n\n\n\n

\u5f53\u4f7f\u7528 print()<\/code>\u3001str()<\/code> \u6216 repr()<\/code> \u65f6\uff0cPython \u4f1a\u81ea\u52a8\u8c03\u7528\u5bf9\u5e94\u7684\u9b54\u672f\u65b9\u6cd5\uff1a<\/p>\n\n\n\n

class Point:
    def __init__(self, x, y):
        self.x = x
        self.y = y
\u200b
    def __str__(self):
        \"\"\"\u9762\u5411\u7528\u6237\uff0c\u53cb\u597d\u7684\u53ef\u8bfb\u683c\u5f0f\"\"\"
        return f\"Point({self.x}, {self.y})\"
\u200b
    def __repr__(self):
        \"\"\"\u9762\u5411\u5f00\u53d1\u8005\uff0c\u7cbe\u786e\u7684\u91cd\u5efa\u683c\u5f0f\"\"\"
        return f\"Point({self.x!r}, {self.y!r})\"
\u200b
\u200b
p = Point(3, 4)
print(p)           # Point(3, 4) \u2014\u2014 \u8c03\u7528 __str__
print(str(p))      # Point(3, 4) \u2014\u2014 \u8c03\u7528 __str__
print(repr(p))     # Point(3, 4) \u2014\u2014 \u8c03\u7528 __repr__
\u200b
# \u4ea4\u4e92\u5f0f\u73af\u5883\u4e2d\u76f4\u63a5\u663e\u793a\u5bf9\u8c61\uff0c\u8c03\u7528 __repr__
# p  # Point(3, 4)<\/code><\/pre>\n\n\n\n
\u5efa\u8bae\uff1a<\/strong> \u4e24\u4e2a\u65b9\u6cd5\u90fd\u5b9e\u73b0\u3002\u5982\u679c\u53ea\u5b9e\u73b0 __repr__<\/code>\uff0c__str__<\/code> \u4f1a\u56de\u9000\u5230\u4f7f\u7528\u5b83\u3002<\/p>\n\n\n\n
\n\n\n\n
\u6bd4\u8f83\u64cd\u4f5c<\/h2>\n\n\n\n
\u901a\u8fc7\u5b9e\u73b0\u6bd4\u8f83\u9b54\u672f\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8ba9\u81ea\u5b9a\u4e49\u5bf9\u8c61\u652f\u6301 ==<\/code>\u3001<<\/code>\u3001><\/code> \u7b49\u64cd\u4f5c\uff1a<\/p>\n\n\n\n
class Person:
    def __init__(self, name, age):
        self.name = name
        self.age = age
\u200b
    def __eq__(self, other):
        \"\"\"==\"\"\"
        if not isinstance(other, Person):
            return NotImplemented
        return self.age == other.age
\u200b
    def __lt__(self, other):
        \"\"\"<\"\"\"
        if not isinstance(other, Person):
            return NotImplemented
        return self.age < other.age
\u200b
    def __le__(self, other):
        \"\"\"<=\"\"\"
        return self < other or self == other
\u200b
    def __gt__(self, other):
        \"\"\">\"\"\"
        return not self <= other
\u200b
    def __ge__(self, other):
        \"\"\">=\"\"\"
        return not self < other
\u200b
    def __ne__(self, other):
        \"\"\"!=\"\"\"
        return not self == other
\u200b
    def __repr__(self):
        return f\"Person({self.name!r}, {self.age})\"
\u200b
\u200b
alice = Person(\"Alice\", 30)
bob = Person(\"Bob\", 25)
\u200b
print(alice == bob)  # False   
print(alice > bob)   # True
print(alice <= bob)  # False
\u200b
# \u5b9e\u73b0\u4e86\u6bd4\u8f83\u65b9\u6cd5\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528 sorted
people = [bob, alice]
print(sorted(people))  # [Person('Bob', 25), Person('Alice', 30)]<\/code><\/pre>\n\n\n\n
\u7b80\u5316\u65b9\u6848\uff1a<\/strong> \u4f7f\u7528 @functools.total_ordering<\/code> \u88c5\u9970\u5668\uff0c\u53ea\u9700\u5b9e\u73b0 __eq__<\/code> \u548c\u5176\u4e2d\u4e00\u4e2a\uff08\u5982 __lt__<\/code>\uff09\uff0c\u5176\u4f59\u4f1a\u81ea\u52a8\u63a8\u5bfc\uff1a<\/p>\n\n\n\n
from functools import total_ordering
\u200b
@total_ordering
class Person:
    def __init__(self, name, age):
        self.name = name
        self.age = age
\u200b
    def __eq__(self, other):
        if not isinstance(other, Person):
            return NotImplemented
        return self.age == other.age
\u200b
    def __lt__(self, other):
        if not isinstance(other, Person):
            return NotImplemented
        return self.age < other.age
\u200b
    def __repr__(self):
        return f\"Person({self.name!r}, {self.age})\"<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u7b97\u672f\u8fd0\u7b97<\/h2>\n\n\n\n
\u8ba9\u5bf9\u8c61\u652f\u6301 +<\/code>\u3001-<\/code>\u3001*<\/code>\u3001\/<\/code> \u7b49\u8fd0\u7b97\u7b26\uff1a<\/p>\n\n\n\n
class Vector:
    def __init__(self, x, y):
        self.x = x
        self.y = y
\u200b
    def __add__(self, other):
        \"\"\"+\"\"\"
        if isinstance(other, Vector):
            return Vector(self.x + other.x, self.y + other.y)
        return NotImplemented  # \u8fd4\u56de NotImplemented\uff0c\u8ba9 Python \u5c1d\u8bd5 other \u7684 __radd__
\u200b
    def __sub__(self, other):
        \"\"\"-\"\"\"
        if isinstance(other, Vector):
            return Vector(self.x - other.x, self.y - other.y)
        return NotImplemented
\u200b
    def __mul__(self, scalar):
        \"\"\"*\uff0c\u5411\u91cf\u4e0e\u6807\u91cf\u76f8\u4e58\"\"\"
        if isinstance(scalar, (int, float)):
            return Vector(self.x * scalar, self.y * scalar)
        return NotImplemented
\u200b
    def __rmul__(self, scalar):
        \"\"\"\u53f3\u4e58\uff1ascalar * vector\"\"\"
        return self * scalar  # \u590d\u7528 __mul__
\u200b
    def __truediv__(self, scalar):
        \"\"\"\/\"\"\"
        if isinstance(scalar, (int, float)):
            return Vector(self.x \/ scalar, self.y \/ scalar)
        return NotImplemented
\u200b
    def __neg__(self):
        \"\"\"\u8d1f\u53f7\uff1a-vector\"\"\"
        return Vector(-self.x, -self.y)
\u200b
    def __abs__(self):
        \"\"\"abs()\"\"\"
        return (self.x ** 2 + self.y ** 2) ** 0.5
\u200b
    def __repr__(self):
        return f\"Vector({self.x}, {self.y})\"
\u200b
\u200b
v1 = Vector(1, 2)
v2 = Vector(3, 4)
\u200b
print(v1 + v2)       # Vector(4, 6)
print(v2 - v1)       # Vector(2, 2)
print(v1 * 3)        # Vector(3, 6)
print(2 * v1)        # Vector(2, 4) \u2014\u2014 \u8c03\u7528 __rmul__
print(-v1)           # Vector(-1, -2)
print(abs(v1))       # 2.236...<\/code><\/pre>\n\n\n\n
\u5e38\u7528\u7b97\u672f\u9b54\u672f\u65b9\u6cd5\uff1a<\/strong><\/p>\n\n\n\n
\u8fd0\u7b97\u7b26<\/th>\u9b54\u672f\u65b9\u6cd5<\/th>\u8bf4\u660e<\/th><\/tr><\/thead>
+<\/code><\/td>__add__<\/code><\/td>\u52a0\u6cd5<\/td><\/tr>
-<\/code><\/td>__sub__<\/code><\/td>\u51cf\u6cd5<\/td><\/tr>
*<\/code><\/td>__mul__<\/code><\/td>\u4e58\u6cd5<\/td><\/tr>
\/<\/code><\/td>__truediv__<\/code><\/td>\u771f\u9664\u6cd5<\/td><\/tr>
\/\/<\/code><\/td>__floordiv__<\/code><\/td>\u6574\u9664<\/td><\/tr>
%<\/code><\/td>__mod__<\/code><\/td>\u53d6\u6a21<\/td><\/tr>
**<\/code><\/td>__pow__<\/code><\/td>\u5e42\u8fd0\u7b97<\/td><\/tr>
+a<\/code><\/td>__pos__<\/code><\/td>\u6b63\u53f7<\/td><\/tr>
-a<\/code><\/td>__neg__<\/code><\/td>\u8d1f\u53f7<\/td><\/tr>
abs()<\/code><\/td>__abs__<\/code><\/td>\u7edd\u5bf9\u503c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n
\u5bb9\u5668\u534f\u8bae<\/h2>\n\n\n\n
\u5b9e\u73b0\u5bb9\u5668\u534f\u8bae\uff0c\u8ba9\u81ea\u5b9a\u4e49\u5bf9\u8c61\u53ef\u4ee5\u50cf list<\/code>\u3001dict<\/code> \u4e00\u6837\u4f7f\u7528 []<\/code>\u3001 len()<\/code>\u3001in<\/code> \u7b49\u64cd\u4f5c\uff1a<\/p>\n\n\n\n
class ShoppingCart:
    def __init__(self):
        self._items = []
\u200b
    def __len__(self):
        \"\"\"len(cart)\"\"\"
        return len(self._items)
\u200b
    def __getitem__(self, index):
        \"\"\"cart[index]\"\"\"
        return self._items[index]
\u200b
    def __setitem__(self, index, value):
        \"\"\"cart[index] = value\"\"\"
        self._items[index] = value
\u200b
    def __delitem__(self, index):
        \"\"\"del cart[index]\"\"\"
        del self._items[index]
\u200b
    def __contains__(self, item):
        \"\"\"item in cart\"\"\"
        return item in self._items
\u200b
    def __iter__(self):
        \"\"\"for item in cart\"\"\"
        return iter(self._items)
\u200b
    def append(self, item):
        self._items.append(item)
\u200b
    def __repr__(self):
        return f\"ShoppingCart({self._items!r})\"
\u200b
\u200b
cart = ShoppingCart()
cart.append(\"apple\")
cart.append(\"banana\")
cart.append(\"orange\")
\u200b
print(len(cart))           # 3
print(cart[0])             # apple
print(cart[1:])            # ['banana', 'orange'] \u2014\u2014 \u652f\u6301\u5207\u7247
print(\"apple\" in cart)     # True
\u200b
for item in cart:
    print(item)
# apple
# banana
# orange<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u7c7b\u578b\u8f6c\u6362<\/h2>\n\n\n\n
\u5b9e\u73b0\u7c7b\u578b\u8f6c\u6362\u9b54\u672f\u65b9\u6cd5\uff0c\u8ba9\u5bf9\u8c61\u652f\u6301 int()<\/code>\u3001float()<\/code>\u3001bool()<\/code> \u7b49\u8f6c\u6362\uff1a<\/p>\n\n\n\n
class Money:
    def __init__(self, amount):
        self.amount = amount
\u200b
    def __int__(self):
        return int(self.amount)
\u200b
    def __float__(self):
        return float(self.amount)
\u200b
    def __bool__(self):
        return self.amount != 0
\u200b
    def __repr__(self):
        return f\"Money({self.amount})\"
\u200b
\u200b
m = Money(100.5)
print(int(m))      # 100
print(float(m))    # 100.5
print(bool(m))     # True
\u200b
m0 = Money(0)
print(bool(m0))    # False<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u5c5e\u6027\u8bbf\u95ee\u62e6\u622a<\/h2>\n\n\n\n
\u901a\u8fc7\u5b9e\u73b0\u5c5e\u6027\u8bbf\u95ee\u76f8\u5173\u7684\u9b54\u672f\u65b9\u6cd5\uff0c\u53ef\u4ee5\u62e6\u622a\u5bf9\u5bf9\u8c61\u5c5e\u6027\u7684\u8bfb\u53d6<\/strong>\u3001\u8bbe\u7f6e<\/strong>\u548c\u5220\u9664<\/strong>\u64cd\u4f5c\uff1a<\/p>\n\n\n\n
class Config:
    def __init__(self):
        # \u5fc5\u987b\u7528 object.__setattr__\uff0c\u5426\u5219\u4f1a\u65e0\u9650\u9012\u5f52
        object.__setattr__(self, \"_data\", {})
\u200b
    def __getattr__(self, name):
        \"\"\"\u8bbf\u95ee\u4e0d\u5b58\u5728\u7684\u5c5e\u6027\u65f6\u89e6\u53d1\"\"\"
        if name in self._data:
            return self._data[name]
        raise AttributeError(f\"'{type(self).__name__}' \u5bf9\u8c61\u6ca1\u6709\u5c5e\u6027 '{name}'\")
\u200b
    def __setattr__(self, name, value):
        \"\"\"\u8bbe\u7f6e\u4efb\u610f\u5c5e\u6027\u65f6\u89e6\u53d1\"\"\"
        if name.startswith(\"_\"):
            # \u5185\u90e8\u5c5e\u6027\u76f4\u63a5\u8bbe\u7f6e\uff0c\u907f\u514d\u9012\u5f52
            object.__setattr__(self, name, value)
        else:
            self._data[name] = value
\u200b
    def __delattr__(self, name):
        \"\"\"\u5220\u9664\u5c5e\u6027\u65f6\u89e6\u53d1\"\"\"
        if name in self._data:
            del self._data[name]
        else:
            raise AttributeError(f\"'{type(self).__name__}' \u5bf9\u8c61\u6ca1\u6709\u5c5e\u6027 '{name}'\")
\u200b
    def __repr__(self):
        return f\"Config({self._data!r})\"
\u200b
\u200b
cfg = Config()
cfg.debug = True      # \u8c03\u7528 __setattr__
cfg.port = 8080       # \u8c03\u7528 __setattr__
print(cfg.debug)      # True \u2014\u2014 \u8c03\u7528 __getattr__
print(cfg.port)       # 8080 \u2014\u2014 \u8c03\u7528 __getattr__
del cfg.debug         # \u8c03\u7528 __delattr__
print(cfg)            # Config({'port': 8080})<\/code><\/pre>\n\n\n\n
\u6ce8\u610f\uff1a<\/strong> __setattr__<\/code> \u62e6\u622a\u6240\u6709<\/strong>\u5c5e\u6027\u8bbe\u7f6e\u3002\u5982\u679c\u5728\u5176\u5185\u90e8\u4f7f\u7528 self.xxx = value<\/code> \u7684\u65b9\u5f0f\u8d4b\u503c\uff0c\u4f1a\u518d\u6b21\u89e6\u53d1 __setattr__<\/code>\uff0c\u5bfc\u81f4\u65e0\u9650\u9012\u5f52<\/strong>\u3002\u5e94\u4f7f\u7528 object.__setattr__(self, name, value)<\/code> \u6765\u7ed5\u8fc7\u62e6\u622a\u3002<\/p>\n\n\n\n
\n\n\n\n
__getattr__<\/code> vs __getattribute__<\/code><\/h3>\n\n\n\n
    \n
  • __getattr__<\/code>\uff1a\u4ec5<\/strong>\u5728\u8bbf\u95ee\u4e0d\u5b58\u5728<\/strong>\u7684\u5c5e\u6027\u65f6\u89e6\u53d1<\/li>\n\n\n\n
  • __getattribute__<\/code>\uff1a\u8bbf\u95ee\u4efb\u4f55<\/strong>\u5c5e\u6027\u65f6\u90fd\u4f1a\u89e6\u53d1\uff08\u66f4\u5e95\u5c42\uff0c\u4f18\u5148\u7ea7\u66f4\u9ad8\uff09<\/li>\n<\/ul>\n\n\n\n
    class Demo:
        def __init__(self):
            self.existing = 100
    \u200b
        def __getattribute__(self, name):
            \"\"\"\u6240\u6709\u5c5e\u6027\u8bbf\u95ee\u90fd\u4f1a\u7ecf\u8fc7\u8fd9\u91cc\"\"\"
            print(f\"\u6b63\u5728\u8bbf\u95ee: {name}\")
            # \u5fc5\u987b\u7528 object.__getattribute__\uff0c\u5426\u5219\u4f1a\u65e0\u9650\u9012\u5f52
            return object.__getattribute__(self, name)
    \u200b
        def __getattr__(self, name):
            \"\"\"\u53ea\u6709\u8bbf\u95ee\u4e0d\u5b58\u5728\u7684\u5c5e\u6027\u65f6\u624d\u5230\u8fd9\u91cc\"\"\"
            return f\"'{name}' \u4e0d\u5b58\u5728\uff0c\u8fd4\u56de\u9ed8\u8ba4\u503c\"
    \u200b
    \u200b
    d = Demo()
    print(d.existing)   # \u5148\u89e6\u53d1 __getattribute__\uff0c\u8fd4\u56de 100
    print(d.missing)    # \u5148\u89e6\u53d1 __getattribute__\uff0c\u627e\u4e0d\u5230\uff0c\u518d\u89e6\u53d1 __getattr__<\/code><\/pre>\n\n\n\n
    \u26a0\ufe0f \u8b66\u544a\uff1a<\/strong> \u5728 __getattribute__<\/code> \u4e2d\u518d\u6b21\u8bbf\u95ee self.xxx<\/code> \u4e5f\u4f1a\u89e6\u53d1\u81ea\u8eab\uff0c\u5fc5\u987b\u4f7f\u7528 object.__getattribute__(self, name)<\/code>\u3002<\/p>\n\n\n\n
    \n\n\n\n
    \u5bf9\u8c61\u751f\u547d\u5468\u671f<\/h2>\n\n\n\n
    \u9664\u4e86 __init__<\/code>\uff0c\u8fd8\u6709 __del__<\/code> \u5728\u5bf9\u8c61\u88ab\u9500\u6bc1\u65f6\u8c03\u7528\uff1a<\/p>\n\n\n\n
    class DatabaseConnection:
        def __init__(self, db_name):
            self.db_name = db_name
            print(f\"\u8fde\u63a5\u5230\u6570\u636e\u5e93: {db_name}\")
    \u200b
        def __del__(self):
            \"\"\"\u5bf9\u8c61\u88ab\u9500\u6bc1\u65f6\u8c03\u7528\"\"\"
            print(f\"\u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5: {self.db_name}\")
    \u200b
    \u200b
    conn = DatabaseConnection(\"test_db\")
    del conn  # \u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5: test_db<\/code><\/pre>\n\n\n\n
    \u6ce8\u610f\uff1a<\/strong> __del__<\/code> \u7684\u8c03\u7528\u65f6\u673a\u4e0d\u786e\u5b9a\uff08\u53d6\u51b3\u4e8e\u5783\u573e\u56de\u6536\uff09\uff0c\u4e0d\u5e94\u4f9d\u8d56\u5b83\u505a\u5173\u952e\u6e05\u7406\u3002\u5bf9\u4e8e\u8d44\u6e90\u7ba1\u7406\uff0c\u5e94\u4f7f\u7528\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668<\/strong>\u3002<\/p>\n\n\n\n
    \n\n\n\n
    \u5e38\u7528\u9b54\u672f\u65b9\u6cd5\u901f\u67e5<\/h2>\n\n\n\n
    \u7c7b\u522b<\/th>\u65b9\u6cd5<\/th>\u89e6\u53d1\u573a\u666f<\/th><\/tr><\/thead>
    \u6784\u9020<\/td>__init__<\/code><\/td>\u521b\u5efa\u5bf9\u8c61\u540e\u521d\u59cb\u5316<\/td><\/tr>
    \u6784\u9020<\/td>__new__<\/code><\/td>\u521b\u5efa\u5bf9\u8c61\uff08\u5df2\u8bb2\u8fc7\uff09<\/td><\/tr>
    \u5b57\u7b26\u4e32<\/td>__str__<\/code><\/td>print()<\/code>\u3001str()<\/code><\/td><\/tr>
    \u5b57\u7b26\u4e32<\/td>__repr__<\/code><\/td>repr()<\/code>\u3001\u4ea4\u4e92\u5f0f\u663e\u793a<\/td><\/tr>
    \u6bd4\u8f83<\/td>__eq__<\/code><\/td>==<\/code><\/td><\/tr>
    \u6bd4\u8f83<\/td>__lt__<\/code><\/td><<\/code><\/td><\/tr>
    \u6bd4\u8f83<\/td>__gt__<\/code><\/td>><\/code><\/td><\/tr>
    \u6bd4\u8f83<\/td>__le__<\/code><\/td><=<\/code><\/td><\/tr>
    \u6bd4\u8f83<\/td>__ge__<\/code><\/td>>=<\/code><\/td><\/tr>
    \u6bd4\u8f83<\/td>__ne__<\/code><\/td>!=<\/code><\/td><\/tr>
    \u7b97\u672f<\/td>__add__<\/code><\/td>+<\/code><\/td><\/tr>
    \u7b97\u672f<\/td>__sub__<\/code><\/td>-<\/code><\/td><\/tr>
    \u7b97\u672f<\/td>__mul__<\/code><\/td>*<\/code><\/td><\/tr>
    \u7b97\u672f<\/td>__truediv__<\/code><\/td>\/<\/code><\/td><\/tr>
    \u5bb9\u5668<\/td>__len__<\/code><\/td>len()<\/code><\/td><\/tr>
    \u5bb9\u5668<\/td>__getitem__<\/code><\/td>obj[key]<\/code><\/td><\/tr>
    \u5bb9\u5668<\/td>__setitem__<\/code><\/td>obj[key] = value<\/code><\/td><\/tr>
    \u5bb9\u5668<\/td>__delitem__<\/code><\/td>del obj[key]<\/code><\/td><\/tr>
    \u5bb9\u5668<\/td>__contains__<\/code><\/td>in<\/code><\/td><\/tr>
    \u5bb9\u5668<\/td>__iter__<\/code><\/td>for...in<\/code><\/td><\/tr>
    \u8f6c\u6362<\/td>__int__<\/code><\/td>int()<\/code><\/td><\/tr>
    \u8f6c\u6362<\/td>__float__<\/code><\/td>float()<\/code><\/td><\/tr>
    \u8f6c\u6362<\/td>__bool__<\/code><\/td>bool()<\/code><\/td><\/tr>
    \u53ef\u8c03\u7528<\/td>__call__<\/code><\/td>obj()<\/code><\/td><\/tr>
    \u5c5e\u6027<\/td>__getattr__<\/code><\/td>\u8bbf\u95ee\u4e0d\u5b58\u5728\u7684\u5c5e\u6027<\/td><\/tr>
    \u5c5e\u6027<\/td>__getattribute__<\/code><\/td>\u8bbf\u95ee\u4efb\u610f\u5c5e\u6027<\/td><\/tr>
    \u5c5e\u6027<\/td>__setattr__<\/code><\/td>\u8bbe\u7f6e\u5c5e\u6027<\/td><\/tr>
    \u5c5e\u6027<\/td>__delattr__<\/code><\/td>\u5220\u9664\u5c5e\u6027<\/td><\/tr>
    \u751f\u547d\u5468\u671f<\/td>__del__<\/code><\/td>\u5bf9\u8c61\u9500\u6bc1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
    <\/p>\n","protected":false},"excerpt":{"rendered":"
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