{"id":50327,"date":"2024-12-03T16:58:31","date_gmt":"2024-12-03T08:58:31","guid":{"rendered":"https:\/\/fwq.ai\/blog\/50327\/"},"modified":"2024-12-03T16:58:31","modified_gmt":"2024-12-03T08:58:31","slug":"%e6%8e%8c%e6%8f%a1-python-%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e7%bc%96%e7%a8%8b-oop%ef%bc%9a%e5%b8%a6%e6%9c%89%e7%a4%ba%e4%be%8b%e7%9a%84%e7%bb%bc%e5%90%88%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/50327\/","title":{"rendered":"\u638c\u63e1 Python \u9762\u5411\u5bf9\u8c61\u7f16\u7a0b (OOP)\uff1a\u5e26\u6709\u793a\u4f8b\u7684\u7efc\u5408\u6307\u5357"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u638c\u63e1 Python \u9762\u5411\u5bf9\u8c61\u7f16\u7a0b (OOP)\uff1a\u5e26\u6709\u793a\u4f8b\u7684\u7efc\u5408\u6307\u5357<\/h1>\n<p>\u77e5\u8bc6\u70b9\u638c\u63e1\u4e86\uff0c\u8fd8\u9700\u8981\u4e0d\u65ad\u7ec3\u4e60\u624d\u80fd\u719f\u7ec3\u8fd0\u7528\u3002\u4e0b\u9762\u7c73\u4e91\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u5b9e\u6218\uff0c\u624b\u628a\u624b\u6559\u5927\u5bb6\u5b66\u4e60\u300a\u638c\u63e1 Python \u9762\u5411\u5bf9\u8c61\u7f16\u7a0b (OOP)\uff1a\u5e26\u6709\u793a\u4f8b\u7684\u7efc\u5408\u6307\u5357\u300b\uff0c\u5728\u5b9e\u73b0\u529f\u80fd\u7684\u8fc7\u7a0b\u4e2d\u4e5f\u5e26\u5927\u5bb6\u91cd\u65b0\u6e29\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u56de\u5934\u770b\u770b\u8bf4\u4e0d\u5b9a\u53c8\u6709\u4e0d\u4e00\u6837\u7684\u611f\u609f\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241117\/17318257566739905c2dfcc.jpg\" class=\"aligncenter\" title=\"\u638c\u63e1 Python \u9762\u5411\u5bf9\u8c61\u7f16\u7a0b (OOP)\uff1a\u5e26\u6709\u793a\u4f8b\u7684\u7efc\u5408\u6307\u5357\u63d2\u56fe\" alt=\"\u638c\u63e1 Python \u9762\u5411\u5bf9\u8c61\u7f16\u7a0b (OOP)\uff1a\u5e26\u6709\u793a\u4f8b\u7684\u7efc\u5408\u6307\u5357\u63d2\u56fe\" \/><\/p>\n<p>\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff08oop\uff09\u662f\u73b0\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u4e2d\u6700\u6d41\u884c\u7684\u7f16\u7a0b\u8303\u4f8b\u4e4b\u4e00\u3002\u5b83\u5141\u8bb8\u60a8\u4f7f\u7528\u7c7b\u548c\u5bf9\u8c61\u5bf9\u73b0\u5b9e\u4e16\u754c\u7684\u5b9e\u4f53\u8fdb\u884c\u5efa\u6a21\uff0c\u4f7f\u4ee3\u7801\u53ef\u91cd\u7528\u3001\u6a21\u5757\u5316\u548c\u53ef\u6269\u5c55\u3002\u5728\u8fd9\u7bc7\u535a\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528\u5355\u4e2a\u7528\u4f8b\u793a\u4f8b\u4ece\u57fa\u7840\u5230\u9ad8\u7ea7\u63a2\u7d22 python \u7684 oop \u6982\u5ff5\uff1a<strong>\u4e3a\u5728\u7ebf\u5546\u5e97\u6784\u5efa\u5e93\u5b58\u7ba1\u7406\u7cfb\u7edf<\/strong>\u3002<\/p>\n<ul>\n<li> <strong>\u6a21\u5757\u5316<\/strong>\uff1a\u4ee3\u7801\u88ab\u5206\u89e3\u4e3a\u72ec\u7acb\u7684\u6a21\u5757\u3002<\/li>\n<li> <strong>\u53ef\u91cd\u7528\u6027<\/strong>\uff1a\u4e00\u65e6\u7f16\u5199\u4e86\u4e00\u4e2a\u7c7b\uff0c\u60a8\u5c31\u53ef\u4ee5\u5728\u7a0b\u5e8f\u6216\u672a\u6765\u9879\u76ee\u4e2d\u7684\u4efb\u4f55\u5730\u65b9\u4f7f\u7528\u5b83\u3002<\/li>\n<li> <strong>\u53ef\u6269\u5c55\u6027<\/strong>\uff1aoop \u5141\u8bb8\u7a0b\u5e8f\u901a\u8fc7\u6dfb\u52a0\u65b0\u7c7b\u6216\u6269\u5c55\u73b0\u6709\u7c7b\u6765\u6269\u5c55\u3002<\/li>\n<li> <strong>\u53ef\u7ef4\u62a4\u6027<\/strong>\uff1a\u66f4\u6613\u4e8e\u7ba1\u7406\u3001\u8c03\u8bd5\u548c\u6269\u5c55\u3002<\/li>\n<\/ul>\n<h4> \u4ec0\u4e48\u662f\u7c7b\u548c\u5bf9\u8c61\uff1f <\/h4>\n<ul>\n<li> <strong>class<\/strong>\uff1a\u521b\u5efa\u5bf9\u8c61\uff08\u5b9e\u4f8b\uff09\u7684\u84dd\u56fe\u3002\u5b83\u5b9a\u4e49\u4e86\u5bf9\u8c61\u5c06\u5177\u6709\u7684\u4e00\u7ec4\u5c5e\u6027\uff08\u6570\u636e\uff09\u548c\u65b9\u6cd5\uff08\u51fd\u6570\uff09\u3002<\/li>\n<li> <strong>object<\/strong>\uff1a\u7c7b\u7684\u5b9e\u4f8b\u3002\u60a8\u53ef\u4ee5\u5c06\u5bf9\u8c61\u89c6\u4e3a\u5177\u6709\u72b6\u6001\u548c\u884c\u4e3a\u7684\u73b0\u5b9e\u4e16\u754c\u5b9e\u4f53\u3002<\/li>\n<\/ul>\n<h4> \u793a\u4f8b\uff1a\u5e93\u5b58\u9879\u76ee\u7c7b\u522b <\/h4>\n<p>\u8ba9\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e00\u4e2a\u7c7b\u6765\u8868\u793a\u6211\u4eec\u5728\u7ebf\u5546\u5e97\u5e93\u5b58\u4e2d\u7684\u5546\u54c1\u3002\u6bcf\u4ef6\u5546\u54c1\u90fd\u6709\u540d\u79f0\u3001\u4ef7\u683c\u548c\u6570\u91cf\u3002<\/p>\n<pre>class inventoryitem:\n    def __init__(self, name, price, quantity):\n        self.name = name\n        self.price = price\n        self.quantity = quantity\n\n    def get_total_price(self):\n        return self.price * self.quantity\n\n# creating objects of the class\nitem1 = inventoryitem(\"laptop\", 1000, 5)\nitem2 = inventoryitem(\"smartphone\", 500, 10)\n\n# accessing attributes and methods\nprint(f\"item: {item1.name}, total price: ${item1.get_total_price()}\")\n<\/pre>\n<p><strong>\u8bf4\u660e<\/strong>\uff1a<\/p>\n<ul>\n<li>__init__\u65b9\u6cd5\u662f\u6784\u9020\u51fd\u6570\uff0c\u7528\u4e8e\u521d\u59cb\u5316\u5bf9\u8c61\u7684\u5c5e\u6027\u3002<\/li>\n<li> self \u6307\u7684\u662f\u7c7b\u7684\u5f53\u524d\u5b9e\u4f8b\uff0c\u5141\u8bb8\u6bcf\u4e2a\u5bf9\u8c61\u4fdd\u6301\u81ea\u5df1\u7684\u72b6\u6001\u3002<\/li>\n<li>\u65b9\u6cd5 get_total_price() \u6839\u636e\u5546\u54c1\u7684\u4ef7\u683c\u548c\u6570\u91cf\u8ba1\u7b97\u603b\u4ef7\u3002<\/li>\n<\/ul>\n<h4> \u4ec0\u4e48\u662f\u5c01\u88c5\uff1f <\/h4>\n<p>\u5c01\u88c5\u9650\u5236\u5bf9\u5bf9\u8c61\u5c5e\u6027\u7684\u76f4\u63a5\u8bbf\u95ee\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u4fee\u6539\u3002\u76f8\u53cd\uff0c\u60a8\u901a\u8fc7\u65b9\u6cd5\u4e0e\u5bf9\u8c61\u7684\u6570\u636e\u8fdb\u884c\u4ea4\u4e92\u3002<\/p>\n<h4> \u793a\u4f8b\uff1a\u4f7f\u7528 getter \u548c setter <\/h4>\n<p>\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5c06\u5c5e\u6027\u8bbe\u7f6e\u4e3a\u79c1\u6709\u5e76\u4f7f\u7528 getter \u548c setter \u65b9\u6cd5\u63a7\u5236\u8bbf\u95ee\u6765\u6539\u8fdb inventoryitem \u7c7b\u3002<\/p>\n<pre>class inventoryitem:\n    def __init__(self, name, price, quantity):\n        self.__name = name  # private attribute\n        self.__price = price\n        self.__quantity = quantity\n\n    def get_total_price(self):\n        return self.__price * self.__quantity\n\n    # getter methods\n    def get_name(self):\n        return self.__name\n\n    def get_price(self):\n        return self.__price\n\n    def get_quantity(self):\n        return self.__quantity\n\n    # setter methods\n    def set_price(self, new_price):\n        if new_price &gt; 0:\n            self.__price = new_price\n\n    def set_quantity(self, new_quantity):\n        if new_quantity &gt;= 0:\n            self.__quantity = new_quantity\n\n# example usage\nitem = inventoryitem(\"tablet\", 300, 20)\nitem.set_price(350)  # update price using the setter method\nprint(f\"updated price of {item.get_name()}: ${item.get_price()}\")\n<\/pre>\n<p><strong>\u8bf4\u660e<\/strong>\uff1a<\/p>\n<ul>\n<li>\u5c5e\u6027\u73b0\u5728\u662f\u79c1\u6709\u7684\uff08__name\u3001__price\u3001__quantity\uff09\u3002<\/li>\n<li>\u60a8\u53ef\u4ee5\u4f7f\u7528 getter \u548c setter \u65b9\u6cd5\u8bbf\u95ee\u6216\u4fee\u6539\u8fd9\u4e9b\u5c5e\u6027\uff0c\u4ece\u800c\u4fdd\u62a4\u5bf9\u8c61\u7684\u5185\u90e8\u72b6\u6001\u3002<\/li>\n<\/ul>\n<h4> \u4ec0\u4e48\u662f\u7ee7\u627f\uff1f <\/h4>\n<p>\u7ee7\u627f\u5141\u8bb8\u4e00\u4e2a\u7c7b\uff08\u5b50\u7c7b\uff09\u4ece\u53e6\u4e00\u4e2a\u7c7b\uff08\u7236\u7c7b\uff09\u7ee7\u627f\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u8fd9\u4fc3\u8fdb\u4e86\u4ee3\u7801\u7684\u53ef\u91cd\u7528\u6027\u548c\u5c42\u6b21\u7ed3\u6784\u5efa\u6a21\u3002<\/p>\n<h4> \u793a\u4f8b\uff1a\u6269\u5c55\u5e93\u5b58\u7cfb\u7edf <\/h4>\n<p>\u8ba9\u6211\u4eec\u6269\u5c55\u6211\u4eec\u7684\u7cfb\u7edf\u6765\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u7684\u5e93\u5b58\u7269\u54c1\uff0c\u4f8b\u5982 <strong>perishableitem<\/strong> \u548c <strong>nonperishableitem<\/strong>\u3002<\/p>\n<pre>class inventoryitem:\n    def __init__(self, name, price, quantity):\n        self.__name = name\n        self.__price = price\n        self.__quantity = quantity\n\n    def get_total_price(self):\n        return self.__price * self.__quantity\n\n    def get_name(self):\n        return self.__name\n\nclass perishableitem(inventoryitem):\n    def __init__(self, name, price, quantity, expiration_date):\n        super().__init__(name, price, quantity)\n        self.__expiration_date = expiration_date\n\n    def get_expiration_date(self):\n        return self.__expiration_date\n\nclass nonperishableitem(inventoryitem):\n    def __init__(self, name, price, quantity):\n        super().__init__(name, price, quantity)\n\n# example usage\nmilk = perishableitem(\"milk\", 2, 30, \"2024-09-30\")\nlaptop = nonperishableitem(\"laptop\", 1000, 10)\n\nprint(f\"{milk.get_name()} expires on {milk.get_expiration_date()}\")\nprint(f\"{laptop.get_name()} costs ${laptop.get_total_price()}\")\n<\/pre>\n<p><strong>\u8bf4\u660e<\/strong>\uff1a<\/p>\n<ul>\n<li> perishableitem \u548c nonperishableitem \u7ee7\u627f\u81ea inventoryitem\u3002<\/li>\n<li>super()\u51fd\u6570\u7528\u4e8e\u8c03\u7528\u7236\u7c7b\u7684\u6784\u9020\u51fd\u6570(__init__)\u6765\u521d\u59cb\u5316\u516c\u5171\u5c5e\u6027\u3002<\/li>\n<li> perishableitem \u6dfb\u52a0\u4e86\u65b0\u5c5e\u6027expiration_date\u3002<\/li>\n<\/ul>\n<h4> \u4ec0\u4e48\u662f\u591a\u6001\u6027\uff1f <\/h4>\n<p>\u591a\u6001\u6027\u5141\u8bb8\u4e0d\u540c\u7c7b\u7684\u5bf9\u8c61\u88ab\u89c6\u4e3a\u516c\u5171\u8d85\u7c7b\u7684\u5b9e\u4f8b\u3002\u5b83\u4f7f\u60a8\u80fd\u591f\u5728\u7236\u7c7b\u4e2d\u5b9a\u4e49\u5728\u5b50\u7c7b\u4e2d\u91cd\u5199\u7684\u65b9\u6cd5\uff0c\u4f46\u60a8\u53ef\u4ee5\u5728\u4e0d\u77e5\u9053\u786e\u5207\u7684\u7c7b\u7684\u60c5\u51b5\u4e0b\u8c03\u7528\u5b83\u4eec\u3002<\/p>\n<h4> \u793a\u4f8b\uff1a\u591a\u6001\u884c\u4e3a <\/h4>\n<p>\u8ba9\u6211\u4eec\u4fee\u6539\u6211\u4eec\u7684\u7cfb\u7edf\uff0c\u4ee5\u4fbf\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u9879\u76ee\u7c7b\u578b\u663e\u793a\u4e0d\u540c\u7684\u4fe1\u606f\u3002<\/p>\n<pre>class inventoryitem:\n    def __init__(self, name, price, quantity):\n        self.__name = name\n        self.__price = price\n        self.__quantity = quantity\n\n    def display_info(self):\n        return f\"item: {self.__name}, total price: ${self.get_total_price()}\"\n\n    def get_total_price(self):\n        return self.__price * self.__quantity\n\nclass perishableitem(inventoryitem):\n    def __init__(self, name, price, quantity, expiration_date):\n        super().__init__(name, price, quantity)\n        self.__expiration_date = expiration_date\n\n    def display_info(self):\n        return f\"perishable item: {self.get_name()}, expires on: {self.__expiration_date}\"\n\nclass nonperishableitem(inventoryitem):\n    def display_info(self):\n        return f\"non-perishable item: {self.get_name()}, price: ${self.get_total_price()}\"\n\n# example usage\nitems = [\n    perishableitem(\"milk\", 2, 30, \"2024-09-30\"),\n    nonperishableitem(\"laptop\", 1000, 10)\n]\n\nfor item in items:\n    print(item.display_info())  # polymorphic method call\n<\/pre>\n<p><strong>\u8bf4\u660e<\/strong>\uff1a<\/p>\n<ul>\n<li>perishableitem \u548c nonperishableitem \u4e2d\u5747\u91cd\u5199\u4e86 display_info() \u65b9\u6cd5\u3002<\/li>\n<li>\u5f53\u60a8\u5bf9\u5bf9\u8c61\u8c03\u7528 display_info() \u65f6\uff0cpython \u4f1a\u6839\u636e\u5bf9\u8c61\u7684\u7c7b\u578b\u4f7f\u7528\u9002\u5f53\u7684\u65b9\u6cd5\uff0c\u5373\u4f7f\u7279\u5b9a\u7c7b\u578b\u5728\u8fd0\u884c\u65f6\u672a\u77e5\u3002<\/li>\n<\/ul>\n<h4> \u7c7b\u65b9\u6cd5\u548c\u9759\u6001\u65b9\u6cd5 <\/h4>\n<ul>\n<li> <strong>\u7c7b\u65b9\u6cd5<\/strong>\u662f\u5c5e\u4e8e\u7c7b\u672c\u8eab\u7684\u65b9\u6cd5\uff0c\u800c\u4e0d\u662f\u5c5e\u4e8e\u4efb\u4f55\u5bf9\u8c61\u7684\u65b9\u6cd5\u3002\u5b83\u4eec\u6807\u6709@classmethod\u3002<\/li>\n<li> <strong>\u9759\u6001\u65b9\u6cd5<\/strong>\u4e0d\u8bbf\u95ee\u6216\u4fee\u6539\u7c7b\u6216\u5b9e\u4f8b\u7279\u5b9a\u7684\u6570\u636e\u3002\u5b83\u4eec\u88ab\u6807\u8bb0\u4e3a@staticmethod\u3002<\/li>\n<\/ul>\n<h4> \u793a\u4f8b\uff1a\u4f7f\u7528\u7c7b\u65b9\u6cd5\u7ba1\u7406\u5e93\u5b58 <\/h4>\n<p>\u8ba9\u6211\u4eec\u6dfb\u52a0\u4e00\u4e2a\u7c7b\u7ea7\u522b\u7684\u65b9\u6cd5\u6765\u8ddf\u8e2a\u5e93\u5b58\u4e2d\u7684\u5546\u54c1\u603b\u6570\u3002<\/p>\n<pre>class inventoryitem:\n    total_items = 0  # class attribute to keep track of all items\n\n    def __init__(self, name, price, quantity):\n        self.__name = name\n        self.__price = price\n        self.__quantity = quantity\n        inventoryitem.total_items += quantity  # update total items\n\n    @classmethod\n    def get_total_items(cls):\n        return cls.total_items\n\n# example usage\nitem1 = inventoryitem(\"laptop\", 1000, 5)\nitem2 = inventoryitem(\"smartphone\", 500, 10)\n\nprint(f\"total items in inventory: {inventoryitem.get_total_items()}\")\n<\/pre>\n<p><strong>\u8bf4\u660e<\/strong>\uff1a<\/p>\n<ul>\n<li> total_items \u662f\u6240\u6709\u5b9e\u4f8b\u5171\u4eab\u7684\u7c7b\u5c5e\u6027\u3002<\/li>\n<li>\u7c7b\u65b9\u6cd5 get_total_items() \u5141\u8bb8\u6211\u4eec\u8bbf\u95ee\u6b64\u5171\u4eab\u6570\u636e\u3002<\/li>\n<\/ul>\n<h4> oop \u4e2d\u7684\u88c5\u9970\u5668 <\/h4>\n<p>oop \u4e2d\u7684\u88c5\u9970\u5668\u901a\u5e38\u7528\u4e8e\u4fee\u6539\u65b9\u6cd5\u7684\u884c\u4e3a\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u88c5\u9970\u5668\u6765\u81ea\u52a8\u8bb0\u5f55\u5e93\u5b58\u7cfb\u7edf\u4e2d\u7684\u65b9\u6cd5\u8c03\u7528\u3002<\/p>\n<pre>def log_method_call(func):\n    def wrapper(*args, **kwargs):\n        print(f\"Calling method {func.__name__}\")\n        return func(*args, **kwargs)\n    return wrapper\n\nclass InventoryItem:\n    def __init__(self, name, price, quantity):\n        self.__name = name\n        self.__price = price\n        self.__quantity = quantity\n\n    @log_method_call\n    def get_total_price(self):\n        return self.__price * self.__quantity\n\n# Example usage\nitem = InventoryItem(\"Tablet\", 300, 10)\nprint(item.get\n\n_total_price())  # Logs the method call\n<\/pre>\n<p>python \u4e2d\u7684\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u63d0\u4f9b\u4e86\u4e00\u79cd\u5f3a\u5927\u800c\u7075\u6d3b\u7684\u65b9\u5f0f\u6765\u7ec4\u7ec7\u548c\u6784\u5efa\u4ee3\u7801\u3002\u901a\u8fc7\u4f7f\u7528\u7c7b\u3001\u7ee7\u627f\u3001\u5c01\u88c5\u548c\u591a\u6001\u6027\uff0c\u60a8\u53ef\u4ee5\u5bf9\u590d\u6742\u7cfb\u7edf\u8fdb\u884c\u5efa\u6a21\u5e76\u589e\u5f3a\u4ee3\u7801\u7684\u53ef\u91cd\u7528\u6027\u3002\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86\u5173\u952e\u7684 oop \u6982\u5ff5\uff0c\u9010\u6b65\u6784\u5efa\u4e00\u4e2a\u5e93\u5b58\u7ba1\u7406\u7cfb\u7edf\u6765\u6f14\u793a\u6bcf\u4e2a\u539f\u5219\u3002<\/p>\n<p>python \u4e2d\u7684 oop \u4f7f\u60a8\u7684\u4ee3\u7801\u66f4\u5177\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027\uff0c\u5e76\u4e14\u968f\u7740\u5e94\u7528\u7a0b\u5e8f\u590d\u6742\u6027\u7684\u589e\u957f\u800c\u66f4\u6613\u4e8e\u6269\u5c55\u3002\u5feb\u4e50\u7f16\u7801\uff01<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300a\u638c\u63e1 Python \u9762\u5411\u5bf9\u8c61\u7f16\u7a0b (OOP)\uff1a\u5e26\u6709\u793a\u4f8b\u7684\u7efc\u5408\u6307\u5357\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n<p>      \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1adev.to \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb\u5220\u9664<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1 Python \u9762\u5411\u5bf9\u8c61\u7f16\u7a0b (OOP)\uff1a\u5e26\u6709\u793a\u4f8b\u7684\u7efc\u5408\u6307\u5357 \u77e5\u8bc6\u70b9\u638c\u63e1\u4e86\uff0c\u8fd8\u9700\u8981\u4e0d\u65ad\u7ec3\u4e60\u624d\u80fd\u719f\u7ec3\u8fd0\u7528\u3002\u4e0b\u9762\u7c73\u4e91\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u5b9e\u6218\uff0c\u624b\u628a\u624b\u6559\u5927\u5bb6\u5b66\u4e60\u300a\u638c\u63e1 Python \u9762\u5411\u5bf9\u8c61\u7f16\u7a0b (OOP)\uff1a\u5e26\u6709\u793a\u4f8b\u7684\u7efc\u5408\u6307\u5357\u300b\uff0c\u5728\u5b9e\u73b0\u529f\u80fd\u7684\u8fc7\u7a0b\u4e2d\u4e5f\u5e26\u5927\u5bb6\u91cd\u65b0\u6e29\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u56de\u5934\u770b\u770b\u8bf4\u4e0d\u5b9a\u53c8\u6709\u4e0d\u4e00\u6837\u7684\u611f\u609f\uff01 \u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff08oop\uff09\u662f\u73b0\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u4e2d\u6700\u6d41\u884c\u7684\u7f16\u7a0b\u8303\u4f8b\u4e4b\u4e00\u3002\u5b83\u5141\u8bb8\u60a8\u4f7f\u7528\u7c7b\u548c\u5bf9\u8c61\u5bf9\u73b0\u5b9e\u4e16\u754c\u7684\u5b9e\u4f53\u8fdb\u884c\u5efa\u6a21\uff0c\u4f7f\u4ee3\u7801\u53ef\u91cd\u7528\u3001\u6a21\u5757\u5316\u548c\u53ef\u6269\u5c55\u3002\u5728\u8fd9\u7bc7\u535a\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528\u5355\u4e2a\u7528\u4f8b\u793a\u4f8b\u4ece\u57fa\u7840\u5230\u9ad8\u7ea7\u63a2\u7d22 python \u7684 oop \u6982\u5ff5\uff1a\u4e3a\u5728\u7ebf\u5546\u5e97\u6784\u5efa\u5e93\u5b58\u7ba1\u7406\u7cfb\u7edf\u3002 \u6a21\u5757\u5316\uff1a\u4ee3\u7801\u88ab\u5206\u89e3\u4e3a\u72ec\u7acb\u7684\u6a21\u5757\u3002 \u53ef\u91cd\u7528\u6027\uff1a\u4e00\u65e6\u7f16\u5199\u4e86\u4e00\u4e2a\u7c7b\uff0c\u60a8\u5c31\u53ef\u4ee5\u5728\u7a0b\u5e8f\u6216\u672a\u6765\u9879\u76ee\u4e2d\u7684\u4efb\u4f55\u5730\u65b9\u4f7f\u7528\u5b83\u3002 \u53ef\u6269\u5c55\u6027\uff1aoop \u5141\u8bb8\u7a0b\u5e8f\u901a\u8fc7\u6dfb\u52a0\u65b0\u7c7b\u6216\u6269\u5c55\u73b0\u6709\u7c7b\u6765\u6269\u5c55\u3002 \u53ef\u7ef4\u62a4\u6027\uff1a\u66f4\u6613\u4e8e\u7ba1\u7406\u3001\u8c03\u8bd5\u548c\u6269\u5c55\u3002 \u4ec0\u4e48\u662f\u7c7b\u548c\u5bf9\u8c61\uff1f class\uff1a\u521b\u5efa\u5bf9\u8c61\uff08\u5b9e\u4f8b\uff09\u7684\u84dd\u56fe\u3002\u5b83\u5b9a\u4e49\u4e86\u5bf9\u8c61\u5c06\u5177\u6709\u7684\u4e00\u7ec4\u5c5e\u6027\uff08\u6570\u636e\uff09\u548c\u65b9\u6cd5\uff08\u51fd\u6570\uff09\u3002 object\uff1a\u7c7b\u7684\u5b9e\u4f8b\u3002\u60a8\u53ef\u4ee5\u5c06\u5bf9\u8c61\u89c6\u4e3a\u5177\u6709\u72b6\u6001\u548c\u884c\u4e3a\u7684\u73b0\u5b9e\u4e16\u754c\u5b9e\u4f53\u3002 \u793a\u4f8b\uff1a\u5e93\u5b58\u9879\u76ee\u7c7b\u522b \u8ba9\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e00\u4e2a\u7c7b\u6765\u8868\u793a\u6211\u4eec\u5728\u7ebf\u5546\u5e97\u5e93\u5b58\u4e2d\u7684\u5546\u54c1\u3002\u6bcf\u4ef6\u5546\u54c1\u90fd\u6709\u540d\u79f0\u3001\u4ef7\u683c\u548c\u6570\u91cf\u3002 class inventoryitem: def __init__(self, name, price, quantity): self.name = name self.price = price self.quantity = quantity def get_total_price(self): return self.price * self.quantity # creating objects of the class item1 = inventoryitem(&#8220;laptop&#8221;, 1000, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-50327","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/50327","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=50327"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/50327\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=50327"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=50327"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=50327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}