{"id":3082,"date":"2025-06-01T16:17:04","date_gmt":"2025-06-04T08:58:03","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3082"},"modified":"2025-06-04T16:17:04","modified_gmt":"2025-06-04T08:58:03","slug":"%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84getattribute%e5%87%bd%e6%95%b8","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84getattribute%e5%87%bd%e6%95%b8\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u7684 `__getattribute__()` \u65b9\u6cd5\uff1a2025 \u6700\u65b0\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Python, __getattribute__()\"><\/p>\n<h1>\u6df1\u5165\u4e86\u89e3 Python \u7684 __getattribute__() \u65b9\u6cd5<\/h1>\n<p>Python \u7684 `__getattribute__()` \u65b9\u6cd5\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u7279\u6b8a\u51fd\u5f0f\uff0c\u5141\u8a31\u6211\u5011\u5f9e\u4e00\u500b\u7269\u4ef6\u4e2d\u53d6\u5f97\u5c6c\u6027\u503c\uff0c\u800c\u4e0d\u9700\u8981\u76f4\u63a5\u4f7f\u7528\u7279\u5b9a\u7684\u5c6c\u6027\u540d\u7a31\u3002\u9019\u4f7f\u5f97\u6211\u5011\u53ef\u4ee5\u9748\u6d3b\u5730\u64cd\u4f5c\u7269\u4ef6\u5c6c\u6027\uff0c\u7279\u5225\u662f\u5728\u52d5\u614b\u5c6c\u6027\u5b58\u53d6\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n<h2>__getattribute__() \u65b9\u6cd5\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>`__getattribute__()` \u65b9\u6cd5\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre class=\"brush: python\">\nobject.__getattribute__(attribute)\n<\/pre>\n<p>\u5176\u4e2d\uff0c`object` \u662f\u8981\u53d6\u5f97\u5c6c\u6027\u503c\u7684\u7269\u4ef6\uff0c`attribute` \u662f\u8981\u53d6\u5f97\u7684\u5c6c\u6027\u540d\u7a31\uff08\u4ee5\u5b57\u4e32\u5f62\u5f0f\u50b3\u5165\uff09\u3002<\/p>\n<h2>\u4f7f\u7528 __getattribute__() \u65b9\u6cd5<\/h2>\n<p>\u73fe\u5728\uff0c\u8b93\u6211\u5011\u4f86\u770b\u770b\u5982\u4f55\u4f7f\u7528 `__getattribute__()` \u65b9\u6cd5\u3002\u9996\u5148\uff0c\u6211\u5011\u5efa\u7acb\u4e00\u500b\u540d\u70ba `MyClass` \u7684\u985e\u5225\uff0c\u5b83\u6709\u5169\u500b\u5c6c\u6027\uff1a`name` \u548c `age`\uff1a<\/p>\n<pre class=\"brush: python\">\nclass MyClass:\n    def __init__(self, name, age):\n        self.name = name\n        self.age = age\n\n    def __getattribute__(self, attribute):\n        print(f\"Accessing attribute: {attribute}\")\n        return super().__getattribute__(attribute)\n<\/pre>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5efa\u7acb\u4e00\u500b `MyClass` \u7684\u7269\u4ef6\uff0c\u4e26\u5c07\u5b83\u7684\u5c6c\u6027\u503c\u8a2d\u5b9a\u70ba &#8220;John&#8221; \u548c 20\uff1a<\/p>\n<pre class=\"brush: python\">\nobj = MyClass(\"John\", 20)\n<\/pre>\n<p>\u73fe\u5728\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 `__getattribute__()` \u65b9\u6cd5\u4f86\u53d6\u5f97 `obj` \u7269\u4ef6\u7684\u5c6c\u6027\u503c\uff1a<\/p>\n<pre class=\"brush: python\">\nname = obj.__getattribute__(\"name\")\nage = obj.__getattribute__(\"age\")\n\nprint(\"Name:\", name)\nprint(\"Age:\", age)\n<\/pre>\n<p>\u57f7\u884c\u4e0a\u9762\u7684\u7a0b\u5f0f\uff0c\u5c31\u6703\u5f97\u5230\u4e0b\u5217\u8f38\u51fa\u7d50\u679c\uff1a<\/p>\n<pre class=\"brush: python\">\nAccessing attribute: name\nName: John\nAccessing attribute: age\nAge: 20\n<\/pre>\n<h2>\u512a\u9ede<\/h2>\n<p>\u4f7f\u7528 `__getattribute__()` \u65b9\u6cd5\u7684\u6700\u5927\u512a\u9ede\u662f\uff0c\u5b83\u80fd\u63d0\u4f9b\u5c0d\u7269\u4ef6\u5c6c\u6027\u7684\u9748\u6d3b\u5b58\u53d6\uff0c\u4e26\u80fd\u5728\u5b58\u53d6\u5c6c\u6027\u6642\u9032\u884c\u984d\u5916\u7684\u64cd\u4f5c\uff0c\u4f8b\u5982\u65e5\u8a8c\u8a18\u9304\u6216\u6aa2\u67e5\u5c6c\u6027\u662f\u5426\u5b58\u5728\u3002\u9019\u5c0d\u65bc\u958b\u767c\u8005\u4f86\u8aaa\u662f\u4e00\u500b\u975e\u5e38\u5be6\u7528\u7684\u529f\u80fd\uff0c\u56e0\u70ba\u5b83\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5f0f\u7684\u53ef\u7dad\u8b77\u6027\u548c\u53ef\u8b80\u6027\u3002<\/p>\n<h2>\u932f\u8aa4\u6392\u9664<\/h2>\n<p>\u5728\u4f7f\u7528 `__getattribute__()` \u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u4ee5\u4e0b\u5e38\u898b\u932f\u8aa4\uff1a<\/p>\n<p>1. **AttributeError**\uff1a\u7576\u5617\u8a66\u5b58\u53d6\u4e0d\u5b58\u5728\u7684\u5c6c\u6027\u6642\uff0c\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002\u78ba\u4fdd\u5c6c\u6027\u540d\u7a31\u6b63\u78ba\u62fc\u5beb\u4e14\u5df2\u6b63\u78ba\u5b9a\u7fa9\u3002<\/p>\n<p>2. **\u7121\u9650\u905e\u8ff4**\uff1a\u5982\u679c\u5728 `__getattribute__()` \u65b9\u6cd5\u5167\u90e8\u518d\u6b21\u4f7f\u7528 `__getattribute__()` \u4f86\u5b58\u53d6\u5c6c\u6027\uff0c\u6703\u5c0e\u81f4\u7121\u9650\u905e\u8ff4\u932f\u8aa4\u3002\u4f7f\u7528 `super().__getattribute__(attribute)` \u4f86\u907f\u514d\u6b64\u554f\u984c\u3002<\/p>\n<h2>\u5ef6\u4f38\u61c9\u7528<\/h2>\n<p>`__getattribute__()` \u65b9\u6cd5\u7684\u61c9\u7528\u975e\u5e38\u5ee3\u6cdb\uff0c\u4ee5\u4e0b\u662f\u5e7e\u500b\u7bc4\u4f8b\uff1a<\/p>\n<p>&#8211; **\u52d5\u614b\u5c6c\u6027\u8a2d\u5b9a**\uff1a\u53ef\u4ee5\u6839\u64da\u689d\u4ef6\u52d5\u614b\u5730\u8a2d\u5b9a\u5c6c\u6027\u503c\u3002<br \/>\n&#8211; **\u5c6c\u6027\u9a57\u8b49**\uff1a\u5728\u5b58\u53d6\u5c6c\u6027\u4e4b\u524d\uff0c\u5148\u9032\u884c\u9a57\u8b49\uff0c\u78ba\u4fdd\u6240\u9700\u7684\u689d\u4ef6\u6eff\u8db3\u3002<br \/>\n&#8211; **\u5c6c\u6027\u65e5\u8a8c**\uff1a\u53ef\u4ee5\u8a18\u9304\u5c6c\u6027\u7684\u5b58\u53d6\u60c5\u6cc1\uff0c\u65b9\u4fbf\u5f8c\u7e8c\u7684\u8abf\u8a66\u548c\u5206\u6790\u3002<\/p>\n<p>\u70ba\u4e86\u6df1\u5165\u4e86\u89e3 Python \u7684\u7269\u4ef6\u5c0e\u5411\u7279\u6027\uff0c\u60a8\u53ef\u4ee5\u53c3\u8003 [\u9019\u7bc7\u6559\u5b78](https:\/\/vocus.cc\/article\/601fa85cfd89780001b56e7a)\uff0c\u9032\u4e00\u6b65\u63d0\u5347\u60a8\u7684 Python \u6280\u80fd\u3002<\/p>\n<h2>\u7e3d\u7d50<\/h2>\n<p>\u7e3d\u800c\u8a00\u4e4b\uff0cPython \u4e2d\u7684 `__getattribute__()` \u65b9\u6cd5\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u8b93\u958b\u767c\u8005\u9748\u6d3b\u5730\u5b58\u53d6\u7269\u4ef6\u5c6c\u6027\u3002\u900f\u904e\u6b63\u78ba\u7684\u4f7f\u7528\u65b9\u5f0f\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u53ef\u4ee5\u63d0\u5347\u7a0b\u5f0f\u7684\u53ef\u8b80\u6027\u548c\u53ef\u7dad\u8b77\u6027\uff0c\u4e26\u5728\u52d5\u614b\u5c6c\u6027\u5b58\u53d6\u4e2d\u767c\u63ee\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<p>**Q1: `__getattribute__()` \u65b9\u6cd5\u548c `__getattr__()` \u6709\u4ec0\u9ebc\u4e0d\u540c\uff1f**<br \/>\nA1: `__getattribute__()` \u662f\u5728\u6bcf\u6b21\u5b58\u53d6\u5c6c\u6027\u6642\u88ab\u547c\u53eb\uff0c\u800c `__getattr__()` \u53ea\u5728\u5b58\u53d6\u4e0d\u5b58\u5728\u7684\u5c6c\u6027\u6642\u88ab\u547c\u53eb\u3002<\/p>\n<p>**Q2: \u5982\u4f55\u907f\u514d `__getattribute__()` \u7684\u7121\u9650\u905e\u8ff4\uff1f**<br \/>\nA2: \u4f7f\u7528 `super().__getattribute__(attribute)` \u4f86\u5b58\u53d6\u5c6c\u6027\uff0c\u4ee5\u907f\u514d\u8abf\u7528\u81ea\u8eab\u3002<\/p>\n<p>**Q3: \u5728\u4ec0\u9ebc\u60c5\u6cc1\u4e0b\u61c9\u8a72\u4f7f\u7528 `__getattribute__()`\uff1f**<br \/>\nA3: \u7576\u60a8\u9700\u8981\u5c0d\u5c6c\u6027\u5b58\u53d6\u9032\u884c\u984d\u5916\u7684\u63a7\u5236\u6216\u65e5\u8a8c\u8a18\u9304\u6642\uff0c\u4f7f\u7528 `__getattribute__()` \u662f\u975e\u5e38\u5408\u9069\u7684\u9078\u64c7\u3002<br \/>\n&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>getattribute()\u51fd\u6578\u662fPython\u4e2d\u7684\u4e00\u500b\u91cd\u8981\u51fd\u6578\uff0c\u5b83\u53ef\u4ee5\u8b93\u4f60\u8a2a\u554f\u7269\u4ef6\u7684\u5c6c\u6027\uff0c\u4e26\u63d0\u4f9b\u4e00\u500b\u7c21\u55ae\u7684\u65b9\u6cd5\u4f86\u8a2a\u554f\u7269\u4ef6\u7684\u5c6c\u6027\u3002\u672c\u6587\u5c07\u4ecb\u7d39getattribute()\u51fd\u6578\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u4ee5\u53ca\u5b83\u5982\u4f55\u5e6b\u52a9\u4f60\u66f4\u597d\u5730\u7ba1\u7406\u7269\u4ef6\u7684\u5c6c\u6027\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-3082","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-NI","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3082","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=3082"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3082\/revisions"}],"predecessor-version":[{"id":3083,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3082\/revisions\/3083"}],"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=3082"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3082"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3082"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}