{"id":3192,"date":"2025-06-01T16:01:26","date_gmt":"2025-06-04T08:38:26","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3192"},"modified":"2025-06-04T16:01:26","modified_gmt":"2025-06-04T08:38:26","slug":"%e4%ba%86%e8%a7%a3python%e7%9a%84%e5%9f%ba%e7%a4%8e%e7%9f%a5%e8%ad%98%ef%bc%9abases","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e4%ba%86%e8%a7%a3python%e7%9a%84%e5%9f%ba%e7%a4%8e%e7%9f%a5%e8%ad%98%ef%bc%9abases\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u7684\u57fa\u5e95\u985e\u5225\uff1a\u4f7f\u7528 bases() \u51fd\u5f0f\u7684\u6700\u4f73\u5be6\u8e10\uff082025 \u66f4\u65b0\uff09"},"content":{"rendered":"

<\/p>\n

\u6df1\u5165\u4e86\u89e3 Python \u7684\u57fa\u5e95\u985e\u5225\uff1a\u4f7f\u7528 bases() \u51fd\u5f0f\u7684\u6700\u4f73\u5be6\u8e10\uff082025 \u66f4\u65b0\uff09<\/h1>\n

\u5728 Python \u4e2d\uff0c\u4e86\u89e3\u7269\u4ef6\u7684\u57fa\u5e95\u985e\u5225\uff08base class\uff09\u53ca\u5176\u7e7c\u627f\u95dc\u4fc2\u662f\u7269\u4ef6\u5c0e\u5411\u7a0b\u5f0f\u8a2d\u8a08\u7684\u6838\u5fc3\u6982\u5ff5\u4e4b\u4e00\u3002`bases()` \u51fd\u5f0f\u662f\u7528\u4f86\u67e5\u770b\u7269\u4ef6\u7684\u57fa\u5e95\u985e\u5225\u53ca\u5176\u7e7c\u627f\u7d50\u69cb\u7684\u5167\u5efa\u51fd\u5f0f\u3002\u672c\u6587\u5c07\u4ecb\u7d39 `bases()` \u51fd\u5f0f\u7684\u4f7f\u7528\u65b9\u6cd5\u53ca\u5176\u61c9\u7528\uff0c\u4e26\u63d0\u4f9b 2025 \u5e74\u6700\u65b0\u7684\u7a0b\u5f0f\u78bc\u793a\u7bc4\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n

\u4f7f\u7528 bases() \u51fd\u5f0f\u67e5\u770b\u57fa\u5e95\u985e\u5225<\/h2>\n

\u8981\u4f7f\u7528 `bases()` \u51fd\u5f0f\uff0c\u53ea\u9700\u8981\u5c07\u4e00\u500b\u985e\u5225\u50b3\u5165\uff0c\u51fd\u5f0f\u5c07\u56de\u50b3\u8a72\u985e\u5225\u7684\u57fa\u5e95\u985e\u5225\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u662f\u5982\u4f55\u67e5\u770b\u7269\u4ef6 `C` \u7684\u57fa\u5e95\u985e\u5225\uff1a<\/p>\n

“`python
\nclass A:
\n pass<\/p>\n

class B(A):
\n pass<\/p>\n

class C(B):
\n pass<\/p>\n

print(C.__bases__)
\n“`<\/p>\n

\u57f7\u884c\u4e0a\u8ff0\u7a0b\u5f0f\u78bc\uff0c\u60a8\u5c07\u5f97\u5230\u4ee5\u4e0b\u7d50\u679c\uff1a<\/p>\n

“`python
\n(, )
\n“`<\/p>\n

\u9019\u986f\u793a `C` \u7269\u4ef6\u7684\u57fa\u5e95\u985e\u5225\u662f `B` \u548c `A`\u3002<\/p>\n

\u67e5\u770b\u7269\u4ef6\u7684\u7e7c\u627f\u95dc\u4fc2<\/h2>\n

\u9664\u4e86\u67e5\u770b\u57fa\u5e95\u985e\u5225\uff0c\u60a8\u9084\u53ef\u4ee5\u4f7f\u7528 `__mro__` \u5c6c\u6027\u4f86\u67e5\u770b\u7269\u4ef6\u7684\u7e7c\u627f\u95dc\u4fc2\u3002\u4ee5\u4e0b\u662f\u793a\u7bc4\u7a0b\u5f0f\u78bc\uff1a<\/p>\n

“`python
\nprint(C.__mro__)
\n“`<\/p>\n

\u57f7\u884c\u5f8c\u7684\u7d50\u679c\u5c07\u986f\u793a `C` \u7269\u4ef6\u7684\u5b8c\u6574\u7e7c\u627f\u8def\u5f91\uff1a<\/p>\n

“`python
\n(, , , )
\n“`<\/p>\n

\u9019\u610f\u5473\u8457 `C` \u7e7c\u627f\u81ea `B`\uff0c`B` \u7e7c\u627f\u81ea `A`\uff0c\u6700\u7d42\u6240\u6709\u985e\u5225\u90fd\u7e7c\u627f\u81ea Python \u7684\u57fa\u790e\u985e\u5225 `object`\u3002<\/p>\n

bases() \u51fd\u5f0f\u7684\u61c9\u7528<\/h2>\n

`bases()` \u51fd\u5f0f\u53ef\u7528\u65bc\u591a\u7a2e\u5be6\u7528\u5834\u666f\uff0c\u4f8b\u5982\uff1a<\/p>\n

1. **\u6aa2\u67e5\u985e\u5225\u7e7c\u627f**\uff1a\u60a8\u53ef\u4ee5\u4f7f\u7528 `bases()` \u4f86\u6aa2\u67e5\u4e00\u500b\u7269\u4ef6\u662f\u5426\u7e7c\u627f\u81ea\u7279\u5b9a\u985e\u5225\u3002
\n2. **\u5206\u6790\u7269\u4ef6\u5c6c\u6027**\uff1a\u900f\u904e `bases()`\uff0c\u60a8\u53ef\u4ee5\u4e86\u89e3\u7269\u4ef6\u7684\u6240\u6709\u5c6c\u6027\u53ca\u5176\u57fa\u5e95\u985e\u5225\u3002<\/p>\n

\u4ee5\u4e0b\u662f\u4e00\u500b\u61c9\u7528\u793a\u7bc4\uff1a<\/p>\n

“`python
\nclass A:
\n def __init__(self):
\n self.x = 1<\/p>\n

class B(A):
\n def __init__(self):
\n super().__init__()
\n self.y = 2<\/p>\n

print(B.__bases__)
\n“`<\/p>\n

\u9019\u6bb5\u7a0b\u5f0f\u78bc\u57f7\u884c\u5f8c\u7684\u7d50\u679c\u70ba\uff1a<\/p>\n

“`python
\n(,)
\n“`<\/p>\n

\u9019\u610f\u5473\u8457 `B` \u7684\u57fa\u5e95\u985e\u5225\u662f `A`\uff0c\u5f9e\u800c\u78ba\u8a8d `B` \u7269\u4ef6\u64c1\u6709 `A` \u7684\u5c6c\u6027 `x` \u4ee5\u53ca `B` \u7684\u5c6c\u6027 `y`\u3002<\/p>\n

\u7e3d\u7d50\u4f86\u8aaa\uff0c`bases()` \u51fd\u5f0f\u662f Python \u4e2d\u975e\u5e38\u5be6\u7528\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5e6b\u52a9\u958b\u767c\u8005\u7406\u89e3\u7269\u4ef6\u7684\u5c64\u7d1a\u7d50\u69cb\u53ca\u5176\u5c6c\u6027\u3002<\/p>\n

\u5982\u9700\u9032\u4e00\u6b65\u5b78\u7fd2 Python \u7684\u7269\u4ef6\u5c0e\u5411\u7a0b\u5f0f\u8a2d\u8a08\uff0c\u5efa\u8b70\u53c3\u8003 [vocus.cc \u7684 Python \u6559\u5b78](https:\/\/vocus.cc) \u6216 [miner.tw \u7684\u9032\u968e\u6559\u7a0b](https:\/\/miner.tw)\u3002<\/p>\n

\u5e38\u898b\u554f\u984c\u89e3\u7b54 (Q&A)<\/h2>\n

**Q1: bases() \u51fd\u5f0f\u5728 Python \u4e2d\u7684\u7528\u9014\u662f\u4ec0\u9ebc\uff1f**
\nA1: `bases()` \u51fd\u5f0f\u7528\u65bc\u67e5\u8a62\u7269\u4ef6\u7684\u57fa\u5e95\u985e\u5225\u53ca\u5176\u7e7c\u627f\u95dc\u4fc2\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u7406\u89e3\u7269\u4ef6\u5c0e\u5411\u8a2d\u8a08\u4e2d\u7684\u985e\u5225\u7d50\u69cb\u3002<\/p>\n

**Q2: \u5982\u4f55\u6aa2\u67e5\u4e00\u500b\u7269\u4ef6\u662f\u5426\u7e7c\u627f\u81ea\u7279\u5b9a\u985e\u5225\uff1f**
\nA2: \u60a8\u53ef\u4ee5\u4f7f\u7528 `isinstance()` \u51fd\u5f0f\u4f86\u6aa2\u67e5\u7269\u4ef6\u662f\u5426\u662f\u67d0\u500b\u985e\u5225\u7684\u5be6\u4f8b\uff0c\u4e26\u7d50\u5408 `bases()` \u4f86\u5206\u6790\u5176\u7e7c\u627f\u95dc\u4fc2\u3002<\/p>\n

**Q3: \u5982\u4f55\u67e5\u770b\u4e00\u500b\u985e\u5225\u7684\u5b8c\u6574\u7e7c\u627f\u8def\u5f91\uff1f**
\nA3: \u4f7f\u7528 `__mro__` \u5c6c\u6027\u4f86\u7372\u53d6\u4e00\u500b\u985e\u5225\u7684\u5b8c\u6574\u7e7c\u627f\u8def\u5f91\uff0c\u9019\u662f\u5206\u6790\u7269\u4ef6\u7e7c\u627f\u7684\u91cd\u8981\u5de5\u5177\u3002<\/p>\n

—<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5b78\u7fd2Python\u7684\u57fa\u790e\u77e5\u8b58\uff0c\u4e86\u89e3bases()\u51fd\u6578\u7684\u529f\u80fd\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u4f86\u66f4\u6709\u6548\u5730\u958b\u767cPython\u61c9\u7528\u7a0b\u5e8f\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u63d0\u4f9b\u6709\u95dcbases()\u51fd\u6578\u7684\u8a73\u7d30\u4ecb\u7d39\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u4f86\u66f4\u6709\u6548\u5730\u958b\u767cPython\u61c9\u7528\u7a0b\u5e8f\u7684\u6307\u5c0e\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-3192","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-Pu","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3192","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=3192"}],"version-history":[{"count":4,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3192\/revisions"}],"predecessor-version":[{"id":12911,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3192\/revisions\/12911"}],"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=3192"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3192"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}