<\/p>\n
Python \u4e2d\u7684 `issubclass()` \u51fd\u6578\u662f\u4e00\u500b\u975e\u5e38\u5be6\u7528\u7684\u529f\u80fd\uff0c\u8b93\u4f60\u53ef\u4ee5\u6aa2\u67e5\u4e00\u500b\u985e\u5225\u662f\u5426\u70ba\u53e6\u4e00\u500b\u985e\u5225\u7684\u5b50\u985e\u5225\u3002\u9019\u500b\u51fd\u6578\u5728\u8655\u7406\u985e\u5225\u7e7c\u627f\u548c\u591a\u91cd\u7e7c\u627f\u6642\u7279\u5225\u6709\u7528\uff0c\u6709\u52a9\u65bc\u7406\u89e3\u7269\u4ef6\u5c0e\u5411\u7a0b\u5f0f\u8a2d\u8a08\u7684\u6838\u5fc3\u6982\u5ff5\u3002<\/p>\n
### `issubclass()` \u51fd\u6578\u7684\u57fa\u672c\u7528\u6cd5<\/p>\n
`issubclass()` \u51fd\u6578\u63a5\u53d7\u5169\u500b\u53c3\u6578\uff1a\u5b50\u985e\u5225\u548c\u7236\u985e\u5225\uff0c\u4e26\u8fd4\u56de\u4e00\u500b\u5e03\u6797\u503c\uff0c\u8868\u793a\u5b50\u985e\u5225\u662f\u5426\u70ba\u7236\u985e\u5225\u7684\u5b50\u985e\u5225\u3002\u9019\u88e1\u6709\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\u4f86\u5c55\u793a\u5b83\u7684\u7528\u6cd5\u3002<\/p>\n
\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u985e\u5225\u53eb\u505a **Animal**\uff0c\u5b83\u6709\u4e00\u500b\u5b50\u985e\u5225\u53eb\u505a **Dog**\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 `issubclass()` \u51fd\u6578\u4f86\u6aa2\u67e5 `Dog` \u662f\u5426\u70ba `Animal` \u7684\u5b50\u985e\u5225\uff1a<\/p>\n
“`python
\nclass Animal:
\n pass<\/p>\n
class Dog(Animal):
\n pass<\/p>\n
# \u6aa2\u67e5 Dog \u662f\u5426\u70ba Animal \u7684\u5b50\u985e\u5225
\nresult = issubclass(Dog, Animal)
\nprint(result) # \u8f38\u51fa: True
\n“`<\/p>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c`issubclass(Dog, Animal)` \u5c07\u8fd4\u56de `True`\uff0c\u56e0\u70ba `Dog` \u662f\u5f9e `Animal` \u7e7c\u627f\u800c\u4f86\u7684\u3002<\/p>\n
### \u6aa2\u67e5\u591a\u91cd\u7e7c\u627f<\/p>\n
`issubclass()` \u9084\u53ef\u4ee5\u6aa2\u67e5\u985e\u5225\u662f\u5426\u662f\u591a\u500b\u985e\u5225\u7684\u5b50\u985e\u5225\u3002\u8209\u500b\u4f8b\u5b50\uff0c\u5982\u679c\u6211\u5011\u6709\u4e00\u500b\u985e\u5225 **Mammal**\uff0c\u6211\u5011\u53ef\u4ee5\u9019\u6a23\u6aa2\u67e5\uff1a<\/p>\n
“`python
\nclass Mammal(Animal):
\n pass<\/p>\n
# \u6aa2\u67e5 Dog \u662f\u5426\u70ba Animal \u548c Mammal \u7684\u5b50\u985e\u5225
\nresult = issubclass(Dog, (Animal, Mammal))
\nprint(result) # \u8f38\u51fa: True
\n“`<\/p>\n
\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c`issubclass(Dog, (Animal, Mammal))` \u4e5f\u6703\u8fd4\u56de `True`\uff0c\u56e0\u70ba `Dog` \u662f `Animal` \u548c `Mammal` \u7684\u5b50\u985e\u5225\u3002<\/p>\n
### \u5e38\u898b\u932f\u8aa4\u6392\u9664<\/p>\n
1. **\u985e\u5225\u672a\u5b9a\u7fa9**\uff1a\u6aa2\u67e5\u4f60\u662f\u5426\u6b63\u78ba\u5b9a\u7fa9\u4e86\u985e\u5225\uff0c\u4e26\u4e14\u985e\u5225\u540d\u7a31\u62fc\u5beb\u6b63\u78ba\u3002
\n2. **\u591a\u91cd\u7e7c\u627f\u7684\u4f7f\u7528**\uff1a\u4f7f\u7528\u5143\u7d44\u50b3\u905e\u591a\u500b\u7236\u985e\u5225\u6642\uff0c\u8acb\u78ba\u4fdd\u8a9e\u6cd5\u6b63\u78ba\uff0c\u4e26\u4e14\u6b63\u78ba\u4f7f\u7528 `issubclass()`\u3002<\/p>\n
### \u5ef6\u4f38\u61c9\u7528<\/p>\n
`issubclass()` \u51fd\u6578\u5728\u5927\u578b\u61c9\u7528\u7a0b\u5f0f\u6216\u6846\u67b6\u4e2d\u975e\u5e38\u6709\u7528\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u6aa2\u67e5\u985e\u5225\u5c64\u6b21\u7d50\u69cb\u6642\u3002\u4f8b\u5982\uff0c\u7576\u5be6\u73fe\u4e00\u500b\u63d2\u4ef6\u7cfb\u7d71\u6642\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u6aa2\u67e5\u67d0\u500b\u63d2\u4ef6\u662f\u5426\u7e7c\u627f\u81ea\u7279\u5b9a\u7684\u57fa\u985e\u3002<\/p>\n
\u5982\u9700\u66f4\u6df1\u5165\u7684 Python \u6559\u5b78\uff0c\u60a8\u53ef\u4ee5\u53c3\u8003 [\u9019\u88e1\u7684\u8cc7\u6e90](https:\/\/vocus.cc) \u4e86\u89e3\u66f4\u591a\u3002<\/p>\n
### \u7d50\u8ad6<\/p>\n
Python \u4e2d\u7684 `issubclass()` \u51fd\u6578\u63d0\u4f9b\u4e86\u4e00\u7a2e\u7c21\u55ae\u7684\u65b9\u6cd5\u4f86\u6aa2\u67e5\u985e\u5225\u4e4b\u9593\u7684\u7e7c\u627f\u95dc\u4fc2\u3002\u7121\u8ad6\u662f\u5728\u5efa\u7acb\u8907\u96dc\u7684\u61c9\u7528\u7a0b\u5f0f\u9084\u662f\u9032\u884c\u7c21\u55ae\u7684\u985e\u5225\u6aa2\u67e5\uff0c\u9019\u500b\u51fd\u6578\u90fd\u662f\u4e00\u500b\u5fc5\u5099\u7684\u5de5\u5177\u3002<\/p>\n
### Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/p>\n
**Q1: `issubclass()` \u8fd4\u56de `False` \u7684\u539f\u56e0\u662f\u4ec0\u9ebc\uff1f**
\nA1: \u9019\u901a\u5e38\u662f\u56e0\u70ba\u5b50\u985e\u5225\u4e26\u4e0d\u76f4\u63a5\u6216\u9593\u63a5\u7e7c\u627f\u81ea\u6307\u5b9a\u7684\u7236\u985e\u5225\u3002<\/p>\n
**Q2: \u6211\u53ef\u4ee5\u4f7f\u7528 `issubclass()` \u6aa2\u67e5\u5167\u5efa\u985e\u5225\u55ce\uff1f**
\nA2: \u662f\u7684\uff0c\u4f60\u53ef\u4ee5\u6aa2\u67e5\u4efb\u4f55\u985e\u5225\uff0c\u5305\u62ec Python \u7684\u5167\u5efa\u985e\u5225\uff0c\u5982 `list`\u3001`dict` \u7b49\u3002<\/p>\n
**Q3: `issubclass()` \u80fd\u5426\u6aa2\u67e5\u591a\u5c64\u7e7c\u627f\uff1f**
\nA3: \u662f\u7684\uff0c`issubclass()` \u53ef\u4ee5\u6aa2\u67e5\u591a\u5c64\u7e7c\u627f\u95dc\u4fc2\uff0c\u53ea\u8981\u6b63\u78ba\u8a2d\u7f6e\u985e\u5225\u7d50\u69cb\u5373\u53ef\u3002
\n—<\/p>\n","protected":false},"excerpt":{"rendered":"
issubclass()\u51fd\u6578\u662fPython\u4e2d\u7684\u4e00\u500b\u5167\u5efa\u51fd\u6578\uff0c\u7528\u65bc\u6aa2\u67e5\u4e00\u500b\u985e\u662f\u5426\u662f\u53e6\u4e00\u500b\u985e\u7684\u5b50\u985e\u3002\u672c\u6587\u5c07\u4ecb\u7d39Python\u4e2d\u7684issubclass()\u51fd\u6578\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u793a\u4f8b\u4f86\u8aaa\u660e\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-3022","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-MK","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3022","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=3022"}],"version-history":[{"count":3,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3022\/revisions"}],"predecessor-version":[{"id":12959,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3022\/revisions\/12959"}],"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=3022"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3022"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}