{"id":91095,"date":"2026-08-06T21:24:40","date_gmt":"2026-08-06T13:24:40","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/91095.html"},"modified":"2026-08-06T21:24:40","modified_gmt":"2026-08-06T13:24:40","slug":"python-%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e8%bf%9b%e9%98%b6%ef%bc%9a%e9%ad%94%e6%b3%95%e5%87%bd%e6%95%b0%e3%80%81%e7%bb%84%e5%90%88%e4%b8%8e%e7%bb%a7%e6%89%bf","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/91095.html","title":{"rendered":"Python \u9762\u5411\u5bf9\u8c61\u8fdb\u9636\uff1a\u9b54\u6cd5\u51fd\u6570\u3001\u7ec4\u5408\u4e0e\u7ee7\u627f"},"content":{"rendered":"

\u5927\u5bb6\u597d，\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u662f Python \u7684\u6838\u5fc3\u8303\u5f0f\u4e4b\u4e00\u3002\u5728\u638c\u63e1\u4e86\u7c7b\u7684\u57fa\u672c\u5b9a\u4e49\u548c\u5bf9\u8c61\u521b\u5efa\u4e4b\u540e，\u6211\u4eec\u9700\u8981\u8fdb\u4e00\u6b65\u4e86\u89e3 Python \u7c7b\u4e2d\u7684\u9b54\u6cd5\u51fd\u6570（\u7279\u6b8a\u65b9\u6cd5）\u3001\u7c7b\u7684\u7ec4\u5408\u4ee5\u53ca\u7c7b\u7684\u7ee7\u627f\u3002\u8fd9\u4e09\u4e2a\u6982\u5ff5\u662f\u6784\u5efa\u590d\u6742\u3001\u53ef\u590d\u7528\u3001\u53ef\u6269\u5c55\u4ee3\u7801\u4f53\u7cfb\u7684\u5173\u952e\u3002<\/p>\n

\u8fd9\u7bc7\u6587\u7ae0\u5c06\u7cfb\u7edf\u6027\u5730\u8bb2\u89e3\u8fd9\u4e09\u4e2a\u77e5\u8bc6\u70b9，\u4ece\u57fa\u672c\u6982\u5ff5\u5230\u5b9e\u9645\u5e94\u7528，\u914d\u5408\u5b8c\u6574\u7684\u4ee3\u7801\u793a\u4f8b，\u5e2e\u52a9\u4f60\u5168\u9762\u7406\u89e3 Python \u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u8fdb\u9636\u5185\u5bb9\u3002<\/p>\n

\n

\u4e00\u3001\u9b54\u6cd5\u51fd\u6570（\u7279\u6b8a\u65b9\u6cd5）<\/h3>\n

1.1 \u4ec0\u4e48\u662f\u9b54\u6cd5\u51fd\u6570<\/h4>\n

\u9b54\u6cd5\u51fd\u6570（Magic Methods）\u662f Python \u4e2d\u4ee5\u53cc\u4e0b\u5212\u7ebf\u5f00\u5934\u548c\u7ed3\u5c3e\u7684\u7279\u6b8a\u65b9\u6cd5，\u5982\u00a0__init__\u3001__str__\u3001__len__\u00a0\u7b49\u3002\u5b83\u4eec\u4e0d\u9700\u8981\u624b\u52a8\u8c03\u7528，\u800c\u662f\u5728\u7279\u5b9a\u64cd\u4f5c（\u5982\u5bf9\u8c61\u521b\u5efa\u3001\u5b57\u7b26\u4e32\u8f6c\u6362\u3001\u8fd0\u7b97\u7b26\u8fd0\u7b97）\u65f6\u88ab Python \u81ea\u52a8\u8c03\u7528\u3002<\/p>\n

\u8fd9\u4e9b\u65b9\u6cd5\u5b9a\u4e49\u4e86\u5bf9\u8c61\u5728\u7279\u5b9a\u573a\u666f\u4e0b\u7684\u884c\u4e3a，\u662f Python \u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u975e\u5e38\u6838\u5fc3\u7684\u673a\u5236\u3002<\/p>\n\n\u9b54\u6cd5\u65b9\u6cd5\u89e6\u53d1\u65f6\u673a<\/tr>\n\n\n\n\n\n\n\n\n\n\n
__init__<\/td>\n\u5bf9\u8c61\u521d\u59cb\u5316\u65f6<\/td>\n<\/tr>\n
__str__<\/td>\nstr(obj)\u00a0\u6216\u00a0print(obj)\u00a0\u65f6<\/td>\n<\/tr>\n
__repr__<\/td>\nrepr(obj)\u00a0\u6216\u5728\u4ea4\u4e92\u5f0f\u73af\u5883\u4e2d\u76f4\u63a5\u8f93\u5165\u5bf9\u8c61\u65f6<\/td>\n<\/tr>\n
__len__<\/td>\nlen(obj)\u00a0\u65f6<\/td>\n<\/tr>\n
__getitem__<\/td>\nobj[key]\u00a0\u65f6<\/td>\n<\/tr>\n
__setitem__<\/td>\nobj[key] = value\u00a0\u65f6<\/td>\n<\/tr>\n
__call__<\/td>\nobj()\u00a0\u65f6<\/td>\n<\/tr>\n
__add__<\/td>\nobj1 + obj2\u00a0\u65f6<\/td>\n<\/tr>\n
__eq__<\/td>\nobj1 == obj2\u00a0\u65f6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

1.2 \u57fa\u7840\u9b54\u6cd5\u65b9\u6cd5<\/h4>\n

class Person:
\n def __init__(self, name: str, age: int):
\n """\u6784\u9020\u65b9\u6cd5：\u521b\u5efa\u5bf9\u8c61\u65f6\u8c03\u7528"""
\n self.name = name
\n self.age = age
\n print(f"\u521b\u5efa\u4e86 Person \u5bf9\u8c61: {name}")<\/p>\n

def __str__(self) -> str:
\n """\u5b57\u7b26\u4e32\u8868\u793a：print() \u548c str() \u65f6\u8c03\u7528"""
\n return f"Person(name={self.name}, age={self.age})"<\/p>\n

def __repr__(self) -> str:
\n """\u5f00\u53d1\u4eba\u5458\u53cb\u597d\u7684\u8868\u793a：\u4ea4\u4e92\u5f0f\u73af\u5883\u6216 repr() \u65f6\u8c03\u7528"""
\n return f"Person('{self.name}', {self.age})"<\/p>\n

def __len__(self) -> int:
\n """\u957f\u5ea6：len() \u65f6\u8c03\u7528"""
\n return self.age # \u7528\u5e74\u9f84\u4f5c\u4e3a\u957f\u5ea6（\u793a\u4f8b）<\/p>\n

def __call__(self, *args, **kwargs):
\n """\u4f7f\u5bf9\u8c61\u53ef\u4ee5\u50cf\u51fd\u6570\u4e00\u6837\u88ab\u8c03\u7528"""
\n print(f"{self.name} \u88ab\u8c03\u7528\u4e86，\u53c2\u6570: {args}")<\/p>\n

# \u6d4b\u8bd5
\np = Person("\u5f20\u4e09", 25) # \u521b\u5efa\u4e86 Person \u5bf9\u8c61: \u5f20\u4e09
\nprint(p) # Person(name=\u5f20\u4e09, age=25) \u89e6\u53d1 __str__
\nprint(repr(p)) # Person('\u5f20\u4e09', 25) \u89e6\u53d1 __repr__
\nprint(len(p)) # 25 \u89e6\u53d1 __len__
\np(1, 2, 3) # \u5f20\u4e09 \u88ab\u8c03\u7528\u4e86，\u53c2\u6570: (1, 2, 3) \u89e6\u53d1 __call__<\/p>\n

1.3 \u8fd0\u7b97\u7b26\u91cd\u8f7d<\/h4>\n

\u901a\u8fc7\u9b54\u6cd5\u51fd\u6570，\u6211\u4eec\u53ef\u4ee5\u81ea\u5b9a\u4e49\u5bf9\u8c61\u7684\u7b97\u672f\u8fd0\u7b97\u884c\u4e3a\u3002<\/p>\n

class Vector:
\n """\u4e8c\u7ef4\u5411\u91cf"""
\n def __init__(self, x: float, y: float):
\n self.x = x
\n self.y = y<\/p>\n

def __add__(self, other: 'Vector') -> 'Vector':
\n """\u52a0\u6cd5：v1 + v2"""
\n return Vector(self.x + other.x, self.y + other.y)<\/p>\n

def __sub__(self, other: 'Vector') -> 'Vector':
\n """\u51cf\u6cd5：v1 – v2"""
\n return Vector(self.x – other.x, self.y – other.y)<\/p>\n

def __mul__(self, scalar: float) -> 'Vector':
\n """\u4e58\u6cd5：v * n"""
\n return Vector(self.x * scalar, self.y * scalar)<\/p>\n

def __rmul__(self, scalar: float) -> 'Vector':
\n """\u53f3\u4e58\u6cd5：n * v（\u5f53\u5de6\u4fa7\u4e0d\u652f\u6301\u4e58\u6cd5\u65f6\u8c03\u7528）"""
\n return self.__mul__(scalar)<\/p>\n

def __eq__(self, other: 'Vector') -> bool:
\n """\u76f8\u7b49\u6bd4\u8f83：v1 == v2"""
\n if not isinstance(other, Vector):
\n return False
\n return self.x == other.x and self.y == other.y<\/p>\n

def __str__(self) -> str:
\n return f"Vector({self.x}, {self.y})"<\/p>\n

# \u6d4b\u8bd5
\nv1 = Vector(3, 4)
\nv2 = Vector(1, 2)<\/p>\n

print(v1 + v2) # Vector(4, 6)
\nprint(v1 – v2) # Vector(2, 2)
\nprint(v1 * 2) # Vector(6, 8)
\nprint(3 * v1) # Vector(9, 12) \u89e6\u53d1 __rmul__
\nprint(v1 == Vector(3, 4)) # True
\nprint(v1 == v2) # False<\/p>\n

1.4 \u5e8f\u5217\/\u5bb9\u5668\u6a21\u62df<\/h4>\n

\u901a\u8fc7\u5b9e\u73b0\u00a0__getitem__\u3001__setitem__\u3001__len__\u00a0\u7b49\u9b54\u6cd5\u65b9\u6cd5，\u53ef\u4ee5\u521b\u5efa\u7c7b\u4f3c\u5217\u8868\u6216\u5b57\u5178\u7684\u5bb9\u5668\u7c7b\u578b\u3002<\/p>\n

class StudentList:
\n """\u81ea\u5b9a\u4e49\u5bb9\u5668：\u7ba1\u7406\u5b66\u751f\u5217\u8868"""
\n def __init__(self):
\n self._students = []<\/p>\n

def add(self, name: str):
\n self._students.append(name)<\/p>\n

def __getitem__(self, index: int) -> str:
\n """\u7d22\u5f15\u8bbf\u95ee：students[0]"""
\n return self._students[index]<\/p>\n

def __setitem__(self, index: int, value: str):
\n """\u7d22\u5f15\u8d4b\u503c：students[0] = '\u65b0\u540d\u5b57'"""
\n self._students[index] = value<\/p>\n

def __len__(self) -> int:
\n """\u957f\u5ea6：len(students)"""
\n return len(self._students)<\/p>\n

def __iter__(self):
\n """\u8fed\u4ee3：for student in students"""
\n return iter(self._students)<\/p>\n

def __contains__(self, item: str) -> bool:
\n """\u6210\u5458\u5224\u65ad：'\u5f20\u4e09' in students"""
\n return item in self._students<\/p>\n

def __str__(self) -> str:
\n return f"StudentList({self._students})"<\/p>\n

# \u6d4b\u8bd5
\nstudents = StudentList()
\nstudents.add("\u5f20\u4e09")
\nstudents.add("\u674e\u56db")
\nstudents.add("\u738b\u4e94")<\/p>\n

print(students[0]) # \u5f20\u4e09 \u89e6\u53d1 __getitem__
\nstudents[1] = "\u674e\u56db\u6539" # \u89e6\u53d1 __setitem__
\nprint(len(students)) # 3 \u89e6\u53d1 __len__<\/p>\n

for name in students: # \u89e6\u53d1 __iter__
\n print(name)<\/p>\n

print("\u5f20\u4e09" in students) # True \u89e6\u53d1 __contains__
\nprint("\u8d75\u516d" in students) # False<\/p>\n

1.5 \u6bd4\u8f83\u8fd0\u7b97\u7b26<\/h4>\n

class Score:
\n def __init__(self, value: int):
\n self.value = value<\/p>\n

def __lt__(self, other: 'Score') -> bool:
\n """\u5c0f\u4e8e：s1 < s2"""
\n return self.value < other.value<\/p>\n

def __le__(self, other: 'Score') -> bool:
\n """\u5c0f\u4e8e\u7b49\u4e8e：s1 <= s2"""
\n return self.value <= other.value<\/p>\n

def __eq__(self, other: 'Score') -> bool:
\n """\u7b49\u4e8e：s1 == s2"""
\n return self.value == other.value<\/p>\n

def __str__(self) -> str:
\n return f"Score({self.value})"<\/p>\n

scores = [Score(85), Score(92), Score(78), Score(90)]
\nsorted_scores = sorted(scores)
\nfor s in sorted_scores:
\n print(s) # Score(78), Score(85), Score(90), Score(92)<\/p>\n

1.6 \u5e38\u7528\u7684\u9b54\u6cd5\u51fd\u6570\u901f\u67e5\u8868<\/h4>\n\n\u9b54\u6cd5\u65b9\u6cd5\u7528\u9014\u793a\u4f8b<\/tr>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
__init__(self, …)<\/td>\n\u6784\u9020\u65b9\u6cd5<\/td>\nobj = Class(…)<\/td>\n<\/tr>\n
__del__(self)<\/td>\n\u6790\u6784\u65b9\u6cd5（\u5bf9\u8c61\u88ab\u56de\u6536\u65f6）<\/td>\ndel obj<\/td>\n<\/tr>\n
__str__(self)<\/td>\n\u5b57\u7b26\u4e32\u8868\u793a（\u7528\u6237\u53cb\u597d）<\/td>\nprint(obj)<\/td>\n<\/tr>\n
__repr__(self)<\/td>\n\u5b57\u7b26\u4e32\u8868\u793a（\u5f00\u53d1\u8c03\u8bd5）<\/td>\nrepr(obj)<\/td>\n<\/tr>\n
__len__(self)<\/td>\n\u957f\u5ea6<\/td>\nlen(obj)<\/td>\n<\/tr>\n
__getitem__(self, key)<\/td>\n\u7d22\u5f15\u8bbf\u95ee<\/td>\nobj[key]<\/td>\n<\/tr>\n
__setitem__(self, key, value)<\/td>\n\u7d22\u5f15\u8d4b\u503c<\/td>\nobj[key] = value<\/td>\n<\/tr>\n
__delitem__(self, key)<\/td>\n\u5220\u9664\u7d22\u5f15<\/td>\ndel obj[key]<\/td>\n<\/tr>\n
__iter__(self)<\/td>\n\u8fed\u4ee3\u5668<\/td>\nfor x in obj<\/td>\n<\/tr>\n
__contains__(self, item)<\/td>\n\u6210\u5458\u5224\u65ad<\/td>\nitem in obj<\/td>\n<\/tr>\n
__call__(self, …)<\/td>\n\u5bf9\u8c61\u4f5c\u4e3a\u51fd\u6570\u8c03\u7528<\/td>\nobj()<\/td>\n<\/tr>\n
__add__(self, other)<\/td>\n\u52a0\u6cd5<\/td>\nobj1 + obj2<\/td>\n<\/tr>\n
__sub__(self, other)<\/td>\n\u51cf\u6cd5<\/td>\nobj1 – obj2<\/td>\n<\/tr>\n
__mul__(self, other)<\/td>\n\u4e58\u6cd5<\/td>\nobj1 * obj2<\/td>\n<\/tr>\n
__eq__(self, other)<\/td>\n\u7b49\u4e8e<\/td>\nobj1 == obj2<\/td>\n<\/tr>\n
__lt__(self, other)<\/td>\n\u5c0f\u4e8e<\/td>\nobj1 < obj2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

\u4e8c\u3001\u7c7b\u7684\u7ec4\u5408<\/h3>\n

2.1 \u4ec0\u4e48\u662f\u7ec4\u5408<\/h4>\n

\u7ec4\u5408\u662f\u6307\u4e00\u4e2a\u7c7b\u4e2d\u5305\u542b\u53e6\u4e00\u4e2a\u7c7b\u7684\u5b9e\u4f8b\u4f5c\u4e3a\u5176\u5c5e\u6027\u3002\u5b83\u662f\u4e00\u79cd"\u6709\u4e00\u4e2a"（has-a）\u7684\u5173\u7cfb，\u7528\u4e8e\u6784\u5efa\u66f4\u590d\u6742\u7684\u5bf9\u8c61\u3002<\/p>\n

\u7ec4\u5408\u7684\u4f18\u52bf：<\/p>\n

    \n
  • \n

    \u4ee3\u7801\u590d\u7528：\u76f4\u63a5\u590d\u7528\u5df2\u6709\u7c7b\u7684\u529f\u80fd<\/p>\n<\/li>\n

  • \n

    \u7075\u6d3b\u6027\u5f3a：\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u66ff\u6362\u7ec4\u4ef6<\/p>\n<\/li>\n

  • \n

    \u89e3\u8026：\u5404\u4e2a\u7ec4\u4ef6\u4e4b\u95f4\u76f8\u5bf9\u72ec\u7acb<\/p>\n<\/li>\n<\/ul>\n

    2.2 \u7ec4\u5408\u7684\u57fa\u672c\u7528\u6cd5<\/h4>\n

    class Engine:
    \n """\u5f15\u64ce\u7c7b"""
    \n def __init__(self, horsepower: int):
    \n self.horsepower = horsepower
    \n self.is_running = False<\/p>\n

    def start(self):
    \n self.is_running = True
    \n print(f"\u5f15\u64ce\u542f\u52a8，\u9a6c\u529b: {self.horsepower}")<\/p>\n

    def stop(self):
    \n self.is_running = False
    \n print("\u5f15\u64ce\u5173\u95ed")<\/p>\n

    class Wheels:
    \n """\u8f6e\u5b50\u7c7b"""
    \n def __init__(self, count: int = 4):
    \n self.count = count<\/p>\n

    def info(self) -> str:
    \n return f"{self.count}\u4e2a\u8f6e\u5b50"<\/p>\n

    class Car:
    \n """\u6c7d\u8f66\u7c7b：\u901a\u8fc7\u7ec4\u5408\u4f7f\u7528 Engine \u548c Wheels"""
    \n def __init__(self, brand: str, horsepower: int):
    \n self.brand = brand
    \n self.engine = Engine(horsepower) # \u7ec4\u5408：\u6c7d\u8f66\u6709\u4e00\u4e2a\u5f15\u64ce
    \n self.wheels = Wheels() # \u7ec4\u5408：\u6c7d\u8f66\u6709\u8f6e\u5b50<\/p>\n

    def start(self):
    \n print(f"{self.brand} \u6c7d\u8f66\u542f\u52a8")
    \n self.engine.start()<\/p>\n

    def stop(self):
    \n print(f"{self.brand} \u6c7d\u8f66\u505c\u6b62")
    \n self.engine.stop()<\/p>\n

    def info(self):
    \n return f"{self.brand}，{self.wheels.info()}，\u5f15\u64ce\u9a6c\u529b: {self.engine.horsepower}"<\/p>\n

    # \u6d4b\u8bd5
    \ncar = Car("\u5b9d\u9a6c", 200)
    \nprint(car.info()) # \u5b9d\u9a6c，4\u4e2a\u8f6e\u5b50，\u5f15\u64ce\u9a6c\u529b: 200
    \ncar.start() # \u5b9d\u9a6c \u6c7d\u8f66\u542f\u52a8 \/ \u5f15\u64ce\u542f\u52a8，\u9a6c\u529b: 200
    \ncar.stop() # \u5b9d\u9a6c \u6c7d\u8f66\u505c\u6b62 \/ \u5f15\u64ce\u5173\u95ed<\/p>\n

    2.3\u00a0\u7ec4\u5408\u4e0e\u7ee7\u627f\u7684\u533a\u522b<\/h4>\n\n\u7279\u6027\u7ec4\u5408\u7ee7\u627f<\/tr>\n\n\n\n\n\n\n
    \u5173\u7cfb\u7c7b\u578b<\/td>\n"\u6709\u4e00\u4e2a"（has-a）<\/td>\n"\u662f\u4e00\u4e2a"（is-a）<\/td>\n<\/tr>\n
    \u4ee3\u7801\u590d\u7528\u65b9\u5f0f<\/td>\n\u901a\u8fc7\u5305\u542b\u5176\u4ed6\u7c7b<\/td>\n\u901a\u8fc7\u7ee7\u627f\u7236\u7c7b<\/td>\n<\/tr>\n
    \u8026\u5408\u5ea6<\/td>\n\u8f83\u4f4e<\/td>\n\u8f83\u9ad8<\/td>\n<\/tr>\n
    \u7075\u6d3b\u6027<\/td>\n\u9ad8（\u53ef\u52a8\u6001\u66ff\u6362\u7ec4\u4ef6）<\/td>\n\u4f4e（\u7ee7\u627f\u5173\u7cfb\u56fa\u5b9a）<\/td>\n<\/tr>\n
    \u9002\u7528\u573a\u666f<\/td>\n\u590d\u6742\u5bf9\u8c61\u7684\u7ec4\u88c5<\/td>\n\u660e\u786e\u7684\u5c42\u6b21\u5173\u7cfb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \n

    \u4e09\u3001\u7c7b\u7684\u7ee7\u627f<\/h3>\n

    3.1 \u4ec0\u4e48\u662f\u7ee7\u627f<\/h4>\n

    \u7ee7\u627f\u662f\u6307\u4e00\u4e2a\u7c7b（\u5b50\u7c7b）\u83b7\u53d6\u53e6\u4e00\u4e2a\u7c7b（\u7236\u7c7b）\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u5b83\u662f\u4e00\u79cd"\u662f\u4e00\u4e2a"（is-a）\u7684\u5173\u7cfb，\u7528\u4e8e\u6784\u5efa\u7c7b\u7684\u5c42\u6b21\u7ed3\u6784\u3002<\/p>\n

    \u7ee7\u627f\u7684\u6838\u5fc3\u4f18\u52bf：<\/p>\n

      \n
    • \n

      \u4ee3\u7801\u590d\u7528：\u5b50\u7c7b\u81ea\u52a8\u62e5\u6709\u7236\u7c7b\u7684\u6240\u6709\u5c5e\u6027\u548c\u65b9\u6cd5<\/p>\n<\/li>\n

    • \n

      \u6269\u5c55\u6027：\u5b50\u7c7b\u53ef\u4ee5\u5728\u7236\u7c7b\u57fa\u7840\u4e0a\u6dfb\u52a0\u6216\u91cd\u5199\u529f\u80fd<\/p>\n<\/li>\n

    • \n

      \u591a\u6001\u6027：\u4e0d\u540c\u5b50\u7c7b\u53ef\u4ee5\u4ee5\u4e0d\u540c\u65b9\u5f0f\u5b9e\u73b0\u76f8\u540c\u7684\u65b9\u6cd5<\/p>\n<\/li>\n<\/ul>\n

      3.2 \u57fa\u672c\u7ee7\u627f\u8bed\u6cd5<\/h4>\n

      class Animal:
      \n """\u7236\u7c7b：\u52a8\u7269"""
      \n def __init__(self, name: str, age: int):
      \n self.name = name
      \n self.age = age<\/p>\n

      def eat(self):
      \n print(f"{self.name} \u6b63\u5728\u5403\u4e1c\u897f")<\/p>\n

      def sleep(self):
      \n print(f"{self.name} \u6b63\u5728\u7761\u89c9")<\/p>\n

      def info(self) -> str:
      \n return f"{self.name}，{self.age}\u5c81"<\/p>\n

      class Dog(Animal):
      \n """\u5b50\u7c7b：\u72d7 \u7ee7\u627f\u81ea Animal"""
      \n def __init__(self, name: str, age: int, breed: str):
      \n super().__init__(name, age) # \u8c03\u7528\u7236\u7c7b\u6784\u9020\u65b9\u6cd5
      \n self.breed = breed # \u65b0\u589e\u5c5e\u6027<\/p>\n

      def bark(self):
      \n print(f"{self.name} \u6c6a\u6c6a\u53eb!")<\/p>\n

      def info(self) -> str:
      \n """\u91cd\u5199\u7236\u7c7b\u65b9\u6cd5"""
      \n return f"{self.name}，{self.age}\u5c81，\u54c1\u79cd: {self.breed}"<\/p>\n

      class Cat(Animal):
      \n """\u5b50\u7c7b：\u732b \u7ee7\u627f\u81ea Animal"""
      \n def __init__(self, name: str, age: int, color: str):
      \n super().__init__(name, age)
      \n self.color = color<\/p>\n

      def meow(self):
      \n print(f"{self.name} \u55b5\u55b5\u53eb~")<\/p>\n

      def info(self) -> str:
      \n return f"{self.name}，{self.age}\u5c81，\u6bdb\u8272: {self.color}"<\/p>\n

      # \u6d4b\u8bd5
      \ndog = Dog("\u65fa\u8d22", 3, "\u91d1\u6bdb")
      \ncat = Cat("\u5c0f\u82b1", 2, "\u6a58\u8272")<\/p>\n

      # \u7ee7\u627f\u7236\u7c7b\u65b9\u6cd5
      \ndog.eat() # \u65fa\u8d22 \u6b63\u5728\u5403\u4e1c\u897f
      \ncat.sleep() # \u5c0f\u82b1 \u6b63\u5728\u7761\u89c9<\/p>\n

      # \u5b50\u7c7b\u7279\u6709\u65b9\u6cd5
      \ndog.bark() # \u65fa\u8d22 \u6c6a\u6c6a\u53eb!
      \ncat.meow() # \u5c0f\u82b1 \u55b5\u55b5\u53eb~<\/p>\n

      # \u91cd\u5199\u65b9\u6cd5
      \nprint(dog.info()) # \u65fa\u8d22，3\u5c81，\u54c1\u79cd: \u91d1\u6bdb
      \nprint(cat.info()) # \u5c0f\u82b1，2\u5c81，\u6bdb\u8272: \u6a58\u8272<\/p>\n

      \n

      \u56db\u3001\u603b\u7ed3<\/h3>\n\n\u77e5\u8bc6\u70b9\u6838\u5fc3\u8981\u70b9<\/tr>\n\n\n\n\n\n\n\n\n\n\n
      __init__<\/td>\n\u6784\u9020\u65b9\u6cd5，\u521b\u5efa\u5bf9\u8c61\u65f6\u521d\u59cb\u5316\u5b9e\u4f8b\u5c5e\u6027<\/td>\n<\/tr>\n
      __str__\u00a0\/\u00a0__repr__<\/td>\n\u5b57\u7b26\u4e32\u8868\u793a，\u63a7\u5236\u00a0print()\u00a0\u548c\u00a0repr()\u00a0\u7684\u8f93\u51fa<\/td>\n<\/tr>\n
      __len__\u00a0\/\u00a0__getitem__<\/td>\n\u6a21\u62df\u5e8f\u5217\/\u5bb9\u5668\u884c\u4e3a<\/td>\n<\/tr>\n
      __add__\u00a0\/\u00a0__eq__\u00a0\u7b49<\/td>\n\u8fd0\u7b97\u7b26\u91cd\u8f7d，\u81ea\u5b9a\u4e49\u7b97\u672f\u548c\u6bd4\u8f83\u8fd0\u7b97<\/td>\n<\/tr>\n
      __call__<\/td>\n\u4f7f\u5bf9\u8c61\u53ef\u50cf\u51fd\u6570\u4e00\u6837\u88ab\u8c03\u7528<\/td>\n<\/tr>\n
      \u7ec4\u5408<\/td>\n"\u6709\u4e00\u4e2a"\u5173\u7cfb，\u901a\u8fc7\u5305\u542b\u5176\u4ed6\u7c7b\u7684\u5b9e\u4f8b\u6765\u590d\u7528\u529f\u80fd<\/td>\n<\/tr>\n
      \u7ee7\u627f<\/td>\n"\u662f\u4e00\u4e2a"\u5173\u7cfb，\u5b50\u7c7b\u7ee7\u627f\u7236\u7c7b\u7684\u5c5e\u6027\u548c\u65b9\u6cd5<\/td>\n<\/tr>\n
      super()<\/td>\n\u8c03\u7528\u7236\u7c7b\u7684\u65b9\u6cd5，\u5e38\u7528\u4e8e\u6784\u9020\u65b9\u6cd5\u548c\u65b9\u6cd5\u91cd\u5199<\/td>\n<\/tr>\n
      \u65b9\u6cd5\u91cd\u5199<\/td>\n\u5b50\u7c7b\u91cd\u65b0\u5b9a\u4e49\u7236\u7c7b\u7684\u65b9\u6cd5，\u5b9e\u73b0\u81ea\u5df1\u7684\u903b\u8f91<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u9b54\u6cd5\u51fd\u6570\u8ba9\u5bf9\u8c61\u7684\u884c\u4e3a\u66f4\u81ea\u7136\u3001\u66f4\u7b26\u5408 Python \u7684\u8bed\u6cd5\u4e60\u60ef；\u7ec4\u5408\u63d0\u4f9b\u4e86\u7075\u6d3b\u7684\u5bf9\u8c61\u7ec4\u88c5\u65b9\u5f0f；\u7ee7\u627f\u5219\u5efa\u7acb\u4e86\u6e05\u6670\u7684\u7c7b\u5c42\u6b21\u7ed3\u6784\u3002\u4e09\u8005\u7ed3\u5408\u4f7f\u7528，\u53ef\u4ee5\u6784\u5efa\u51fa\u7ed3\u6784\u6e05\u6670\u3001\u529f\u80fd\u5f3a\u5927\u3001\u6613\u4e8e\u7ef4\u62a4\u7684\u9762\u5411\u5bf9\u8c61\u7cfb\u7edf\u3002<\/p>\n

      \u5982\u679c\u89c9\u5f97\u8fd9\u7bc7\u5185\u5bb9\u5bf9\u4f60\u6709\u5e2e\u52a9，\u6b22\u8fce\u6536\u85cf\u5907\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

      \u5927\u5bb6\u597d，\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u662f Python \u7684\u6838\u5fc3\u8303\u5f0f\u4e4b\u4e00\u3002\u5728\u638c\u63e1\u4e86\u7c7b\u7684\u57fa\u672c\u5b9a\u4e49\u548c\u5bf9\u8c61\u521b\u5efa\u4e4b\u540e，\u6211\u4eec\u9700\u8981\u8fdb\u4e00\u6b65\u4e86\u89e3 Python \u7c7b\u4e2d\u7684\u9b54\u6cd5\u51fd\u6570（\u7279\u6b8a\u65b9\u6cd5）\u3001\u7c7b\u7684\u7ec4\u5408\u4ee5\u53ca\u7c7b\u7684\u7ee7\u627f\u3002\u8fd9\u4e09\u4e2a\u6982\u5ff5\u662f\u6784\u5efa\u590d\u6742\u3001\u53ef\u590d\u7528\u3001\u53ef\u6269\u5c55\u4ee3\u7801\u4f53\u7cfb\u7684\u5173\u952e\u3002\u8fd9\u7bc7\u6587\u7ae0\u5c06\u7cfb\u7edf\u6027\u5730\u8bb2\u89e3\u8fd9\u4e09\u4e2a\u77e5\u8bc6\u70b9，\u4ece\u57fa\u672c\u6982\u5ff5\u5230\u5b9e\u9645\u5e94\u7528，\u914d\u5408\u5b8c\u6574\u7684\u4ee3\u7801\u793a\u4f8b，\u5e2e\u52a9\u4f60\u5168\u9762\u7406\u89e3 Python \u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u8fdb\u9636\u5185\u5bb9\u3002\u4e00\u3001\u9b54\u6cd5\u51fd\u6570&#xff0<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[10187,81,190],"topic":[],"class_list":["post-91095","post","type-post","status-publish","format-standard","hentry","category-server","tag-codingplan","tag-python","tag-190"],"yoast_head":"\nPython \u9762\u5411\u5bf9\u8c61\u8fdb\u9636\uff1a\u9b54\u6cd5\u51fd\u6570\u3001\u7ec4\u5408\u4e0e\u7ee7\u627f - 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