{"id":3190,"date":"2025-05-28T16:16:06","date_gmt":"2025-06-04T08:40:06","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3190"},"modified":"2025-06-04T16:16:06","modified_gmt":"2025-06-04T08:40:06","slug":"%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84slots%e6%a9%9f%e5%88%b6-2","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84slots%e6%a9%9f%e5%88%b6-2\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 Slots \u6a5f\u5236\uff1a2025 \u6700\u65b0\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"

<\/p>\n

\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 Slots \u6a5f\u5236<\/h1>\n

Python Slots \u662f Python \u4e2d\u4e00\u500b\u975e\u5e38\u6709\u8da3\u4e14\u5be6\u7528\u7684\u7279\u6027\uff0c\u5b83\u80fd\u8b93\u4f60\u5c0d\u7269\u4ef6\u7684\u5c6c\u6027\u9032\u884c\u66f4\u591a\u9650\u5236\uff0c\u4ee5\u78ba\u4fdd\u7269\u4ef6\u7684\u5b89\u5168\u6027\u548c\u53ef\u9760\u6027\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u8a73\u7d30\u4ecb\u7d39 Python Slots \u7684\u529f\u80fd\u3001\u7528\u6cd5\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u7bc4\u4f8b\u53ca\u6700\u4f73\u5be6\u8e10\uff0c\u5e6b\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528\u9019\u500b\u7279\u6027\u3002<\/p>\n

\u4ec0\u9ebc\u662f Python Slots\uff1f<\/h2>\n

Python Slots \u662f Python \u4e2d\u4e00\u500b\u7279\u6b8a\u7684\u7279\u6027\uff0c\u5b83\u8b93\u958b\u767c\u8005\u80fd\u5920\u5b9a\u7fa9\u7269\u4ef6\u53ef\u4ee5\u64c1\u6709\u7684\u5c6c\u6027\uff0c\u4e26\u9632\u6b62\u7269\u4ef6\u88ab\u610f\u5916\u5730\u4fee\u6539\u3002\u900f\u904e\u4f7f\u7528 Slots\uff0c\u4f60\u53ef\u4ee5\u6e1b\u5c11\u5167\u5b58\u7684\u6d88\u8017\uff0c\u56e0\u70ba Python \u5c07\u4e0d\u518d\u70ba\u6bcf\u500b\u7269\u4ef6\u52d5\u614b\u5275\u5efa\u5c6c\u6027\u5b57\u5178\u3002<\/p>\n

Python Slots \u7684\u57fa\u672c\u7528\u6cd5<\/h2>\n

\u4f7f\u7528 Python Slots \u7684\u65b9\u6cd5\u975e\u5e38\u7c21\u55ae\uff0c\u53ea\u9700\u5728\u985e\u5225\u7684\u5b9a\u7fa9\u4e2d\u52a0\u5165\u4e00\u500b `__slots__` \u5c6c\u6027\uff0c\u4e26\u5c07\u53ef\u64c1\u6709\u7684\u5c6c\u6027\u540d\u7a31\u653e\u5165\u5176\u4e2d\u3002\u4f8b\u5982\uff0c\u6211\u5011\u53ef\u4ee5\u5b9a\u7fa9\u4e00\u500b\u53ea\u80fd\u64c1\u6709 `name` \u548c `age` \u5c6c\u6027\u7684\u7269\u4ef6\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

\nclass Person:\n    __slots__ = ['name', 'age']\n    \n    def __init__(self, name, age):\n        self.name = name\n        self.age = age\n<\/pre>\n
\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b `Person` \u985e\u5225\uff0c\u4e26\u5728 `__slots__` \u5c6c\u6027\u4e2d\u6307\u5b9a\u4e86\u53ef\u4ee5\u64c1\u6709\u7684\u5c6c\u6027\u3002\u9019\u6a23\u4e00\u4f86\uff0c\u7576\u6211\u5011\u5efa\u7acb\u4e00\u500b `Person` \u7269\u4ef6\u6642\uff0c\u53ea\u80fd\u64c1\u6709 `name` \u548c `age` \u9019\u5169\u500b\u5c6c\u6027\uff0c\u800c\u4e0d\u80fd\u64c1\u6709\u5176\u4ed6\u5c6c\u6027\u3002<\/p>\n
\u64f4\u5c55 Python Slots \u4ee5\u5305\u542b\u65b9\u6cd5<\/h2>\n
\u9664\u4e86\u9650\u5236\u5c6c\u6027\u5916\uff0cPython Slots \u9084\u5141\u8a31\u4f60\u6307\u5b9a\u7269\u4ef6\u53ef\u4ee5\u64c1\u6709\u7684\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7bc4\u4f8b\uff1a<\/p>\n
\nclass Person:\n    __slots__ = ['name', 'age', 'say_hello']\n    \n    def __init__(self, name, age):\n        self.name = name\n        self.age = age\n        \n    def say_hello(self):\n        print(\"Hello, my name is {} and I am {} years old.\".format(self.name, self.age))\n<\/pre>\n
\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u5728 `__slots__` \u5c6c\u6027\u4e2d\u6307\u5b9a\u4e86 `say_hello` \u65b9\u6cd5\uff0c\u9019\u6a23\u5728\u5efa\u7acb `Person` \u7269\u4ef6\u4e4b\u5f8c\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528 `say_hello` \u65b9\u6cd5\u3002<\/p>\n
Python Slots \u7684\u512a\u52e2\u8207\u61c9\u7528\u5834\u666f<\/h2>\n
\u4f7f\u7528 Python Slots \u7684\u512a\u52e2\u5305\u62ec\uff1a<\/p>\n
1. **\u6027\u80fd\u63d0\u5347**\uff1a\u900f\u904e\u6e1b\u5c11\u7269\u4ef6\u7684\u5c6c\u6027\u5b57\u5178\uff0cSlots \u53ef\u4ee5\u63d0\u9ad8\u7269\u4ef6\u7684\u5275\u5efa\u901f\u5ea6\u548c\u5167\u5b58\u4f7f\u7528\u6548\u7387\u3002
\n2. **\u5c6c\u6027\u5b89\u5168\u6027**\uff1a\u9650\u5236\u7269\u4ef6\u7684\u5c6c\u6027\u6709\u52a9\u65bc\u907f\u514d\u932f\u8aa4\uff0c\u7279\u5225\u662f\u5728\u5927\u578b\u5c08\u6848\u4e2d\u3002
\n3. **\u66f4\u597d\u7684\u4ee3\u78bc\u53ef\u8b80\u6027**\uff1a\u4f7f\u7528 Slots \u53ef\u4ee5\u4f7f\u985e\u5225\u7684\u5c6c\u6027\u66f4\u52a0\u660e\u78ba\uff0c\u589e\u52a0\u4ee3\u78bc\u7684\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n
\u9069\u5408\u4f7f\u7528 Slots \u7684\u5834\u666f\u5305\u62ec\uff1a<\/p>\n
– \u7576\u4f60\u9700\u8981\u5275\u5efa\u5927\u91cf\u7269\u4ef6\uff0c\u4e14\u9019\u4e9b\u7269\u4ef6\u7684\u5c6c\u6027\u6578\u91cf\u76f8\u5c0d\u56fa\u5b9a\u6642\u3002
\n– \u7576\u4f60\u60f3\u8981\u5f37\u5236\u57f7\u884c\u5c6c\u6027\u9650\u5236\u4ee5\u63d0\u9ad8\u4ee3\u78bc\u7684\u5b89\u5168\u6027\u6642\u3002<\/p>\n
\u932f\u8aa4\u6392\u9664\u8207\u6700\u4f73\u5be6\u8e10<\/h2>\n
\u5728\u4f7f\u7528 Python Slots \u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u5e38\u898b\u7684\u932f\u8aa4\uff0c\u4f8b\u5982\uff1a<\/p>\n
– **AttributeError**\uff1a\u5982\u679c\u5617\u8a66\u8a2a\u554f\u672a\u5728 `__slots__` \u4e2d\u5b9a\u7fa9\u7684\u5c6c\u6027\uff0c\u5c07\u6703\u62cb\u51fa\u6b64\u932f\u8aa4\u3002\u78ba\u4fdd\u5728\u5b9a\u7fa9\u985e\u5225\u6642\uff0c\u5df2\u6b63\u78ba\u6307\u5b9a\u6240\u6709\u9700\u8981\u7684\u5c6c\u6027\u3002
\n– **TypeError**\uff1a\u7576\u4f60\u5728 `__slots__` \u4e2d\u5b9a\u7fa9\u4e86\u4e0d\u53ef\u8b8a\u7684\u5c6c\u6027\u985e\u578b\u6642\uff0c\u8a66\u5716\u8ce6\u503c\u5c07\u5f15\u767c\u6b64\u932f\u8aa4\u3002\u8acb\u78ba\u8a8d\u5c6c\u6027\u985e\u578b\u7684\u6b63\u78ba\u6027\u3002<\/p>\n
\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n
– \u53ea\u5728\u5fc5\u8981\u6642\u4f7f\u7528 `__slots__`\uff0c\u56e0\u70ba\u5b83\u6703\u9650\u5236\u9748\u6d3b\u6027\u3002
\n– \u5728\u5927\u578b\u61c9\u7528\u4e2d\uff0c\u5408\u7406\u4f7f\u7528 Slots \u4f86\u63d0\u9ad8\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002<\/p>\n
\u5e0c\u671b\u9019\u7bc7\u6587\u7ae0\u80fd\u5e6b\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3 Python Slots \u7684\u7528\u6cd5\u548c\u512a\u52e2\uff0c\u5982\u9700\u9032\u4e00\u6b65\u5b78\u7fd2\uff0c\u8acb\u53c3\u8003 [Python \u5b98\u65b9\u6587\u4ef6](https:\/\/docs.python.org\/3\/reference\/datamodel.html#slots)\u3002<\/p>\n
Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n
**Q1: Python Slots \u6703\u5f71\u97ff\u7e7c\u627f\u55ce\uff1f**
\nA: \u662f\u7684\uff0c\u7576\u5b50\u985e\u5225\u7e7c\u627f\u7236\u985e\u5225\u6642\uff0c\u53ef\u4ee5\u5728\u5b50\u985e\u5225\u4e2d\u91cd\u65b0\u5b9a\u7fa9 `__slots__`\uff0c\u4f46\u9700\u8981\u6ce8\u610f\uff0c\u7236\u985e\u5225\u7684 `__slots__` \u4e0d\u6703\u88ab\u7e7c\u627f\u3002<\/p>\n
**Q2: \u4f7f\u7528 Python Slots \u6703\u5f71\u97ff\u6027\u80fd\u55ce\uff1f**
\nA: \u53cd\u800c\u6703\u63d0\u5347\u6027\u80fd\uff0c\u56e0\u70ba\u5b83\u6e1b\u5c11\u4e86\u5c0d\u5c6c\u6027\u5b57\u5178\u7684\u9700\u6c42\uff0c\u5f9e\u800c\u964d\u4f4e\u4e86\u5167\u5b58\u6d88\u8017\u3002<\/p>\n
**Q3: \u662f\u5426\u53ef\u4ee5\u5728 Slots \u4e2d\u4f7f\u7528\u5176\u4ed6\u6578\u64da\u985e\u578b\uff1f**
\nA: \u662f\u7684\uff0cSlots \u53ef\u4ee5\u5305\u542b\u4efb\u4f55\u985e\u578b\u7684\u5c6c\u6027\uff0c\u4f46\u4ecd\u9700\u5728\u985e\u5225\u5b9a\u7fa9\u4e2d\u660e\u78ba\u6307\u5b9a\u3002<\/p>\n
—<\/p>\n
\u9019\u6a23\u7684\u7d50\u69cb\u4e0d\u50c5\u63d0\u4f9b\u4e86\u6e05\u6670\u7684\u6559\u5b78\u5167\u5bb9\uff0c\u9084\u5f37\u5316\u4e86 SEO\uff0c\u4e26\u589e\u52a0\u4e86\u5be6\u7528\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3Python\u4e2d\u7684Slots\u6a5f\u5236\uff0c\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u7ba1\u7406\u7269\u4ef6\u7684\u8a18\u61b6\u9ad4\u7a7a\u9593\uff0c\u63d0\u9ad8\u7a0b\u5f0f\u6548\u80fd\u3002\u672c\u6587\u5c07\u4ecb\u7d39Slots\u6a5f\u5236\u7684\u6982\u5ff5\u3001\u512a\u9ede\u3001\u7f3a\u9ede\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u3002<\/p>\n","protected":false},"author":1,"featured_media":2518,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[18],"tags":[15],"class_list":["post-3190","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","tag-python"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2022\/12\/DALL\u00b7E-2022-12-28-14.25.55-\u62f7\u8c9d2.png","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-Ps","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3190","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=3190"}],"version-history":[{"count":3,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3190\/revisions"}],"predecessor-version":[{"id":12913,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3190\/revisions\/12913"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/2518"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=3190"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3190"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3190"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}