{"id":3629,"date":"2025-05-31T15:21:29","date_gmt":"2025-06-04T07:41:29","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3629"},"modified":"2025-06-04T15:21:29","modified_gmt":"2025-06-04T07:41:29","slug":"%e4%ba%86%e8%a7%a3python%e4%b8%adrecursionerror%e7%9a%84%e5%8e%9f%e5%9b%a0%e8%88%87%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e4%ba%86%e8%a7%a3python%e4%b8%adrecursionerror%e7%9a%84%e5%8e%9f%e5%9b%a0%e8%88%87%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%b3%95\/","title":{"rendered":"\u6df1\u5165\u7406\u89e3 Python \u4e2d\u7684 RecursionError\uff1a\u539f\u56e0\u3001\u89e3\u6c7a\u65b9\u6cd5\u8207\u6700\u4f73\u5be6\u8e10\u30102025 \u6700\u65b0\u8a9e\u6cd5\u3011"},"content":{"rendered":"

<\/p>\n

\u6df1\u5165\u7406\u89e3 Python \u4e2d\u7684 RecursionError<\/h1>\n

Python \u7684 `RecursionError` \u662f\u4e00\u500b\u5e38\u898b\u7684\u932f\u8aa4\uff0c\u5b83\u5728\u7a0b\u5f0f\u78bc\u4e2d\u51fa\u73fe\u7121\u9650\u905e\u8ff4\u7684\u60c5\u6cc1\u6642\u6703\u767c\u751f\u3002\u7121\u9650\u905e\u8ff4\u662f\u6307\u51fd\u5f0f\u4e0d\u65b7\u5730\u547c\u53eb\u81ea\u5df1\uff0c\u5c0e\u81f4\u7a0b\u5f0f\u7121\u6cd5\u7e7c\u7e8c\u57f7\u884c\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u7121\u9650\u905e\u8ff4\uff1f<\/h2>\n

\u7121\u9650\u905e\u8ff4\u662f\u6307\u51fd\u5f0f\u5728\u57f7\u884c\u904e\u7a0b\u4e2d\u4e0d\u65b7\u91cd\u8907\u547c\u53eb\u81ea\u8eab\uff0c\u6700\u7d42\u5c0e\u81f4\u5806\u758a\u6ea2\u51fa\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6709\u4e00\u500b\u51fd\u5f0f\u53eb\u505a foo()<\/span>\uff0c\u5b83\u6703\u5728\u6bcf\u6b21\u547c\u53eb\u6642\u90fd\u547c\u53eb\u81ea\u5df1\uff0c\u9019\u6a23\u7684\u60c5\u6cc1\u6703\u5c0e\u81f4\u7121\u9650\u905e\u8ff4\uff1a<\/p>\n

“`python
\ndef foo():
\n foo()
\n“`<\/p>\n

\u9019\u6a23\u7684\u7a0b\u5f0f\u78bc\u5c07\u5c0e\u81f4\u7a0b\u5f0f\u7121\u6cd5\u7e7c\u7e8c\u57f7\u884c\uff0c\u56e0\u70ba\u51fd\u5f0f foo()<\/span> \u4e00\u76f4\u5728\u547c\u53eb\u81ea\u5df1\u3002<\/p>\n

\u4ec0\u9ebc\u662f RecursionError\uff1f<\/h2>\n

\u7576\u7a0b\u5f0f\u78bc\u51fa\u73fe\u7121\u9650\u905e\u8ff4\u7684\u60c5\u6cc1\u6642\uff0cPython \u6703\u62cb\u51fa `RecursionError` \u7684\u4f8b\u5916\uff0c\u63d0\u9192\u958b\u767c\u8005\u7a0b\u5f0f\u78bc\u4e2d\u51fa\u73fe\u4e86\u7121\u9650\u905e\u8ff4\u7684\u554f\u984c\uff1a<\/p>\n

“`python
\ndef foo():
\n foo()<\/p>\n

Traceback (most recent call last):
\n File “test.py”, line 2, in
\n foo()
\n File “test.py”, line 2, in foo
\n foo()
\n File “test.py”, line 2, in foo
\n foo()
\n [Previous line repeated 995 more times]\nRecursionError: maximum recursion depth exceeded
\n“`<\/p>\n

\u4e0a\u8ff0\u7a0b\u5f0f\u78bc\u6703\u62cb\u51fa `RecursionError` \u7684\u4f8b\u5916\uff0c\u63d0\u793a\u958b\u767c\u8005\u6ce8\u610f\u7121\u9650\u905e\u8ff4\u7684\u60c5\u6cc1\u3002<\/p>\n

\u5982\u4f55\u89e3\u6c7a RecursionError\uff1f<\/h2>\n

\u8981\u89e3\u6c7a `RecursionError`\uff0c\u958b\u767c\u8005\u9700\u8981\u6aa2\u67e5\u7a0b\u5f0f\u78bc\uff0c\u8b58\u5225\u7121\u9650\u905e\u8ff4\u7684\u4f86\u6e90\uff0c\u4e26\u9032\u884c\u4fee\u6539\u4ee5\u907f\u514d\u6b64\u932f\u8aa4\u7684\u767c\u751f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u89e3\u6c7a\u65b9\u6cd5\uff1a<\/p>\n

1. **\u57fa\u790e\u6848\u4f8b**\uff1a\u78ba\u4fdd\u51fd\u5f0f\u4e2d\u6709\u53ef\u7d42\u6b62\u7684\u57fa\u790e\u6848\u4f8b\u3002
\n2. **\u689d\u4ef6\u6aa2\u67e5**\uff1a\u5728\u51fd\u5f0f\u5167\u90e8\u52a0\u5165\u689d\u4ef6\u6aa2\u67e5\uff0c\u9632\u6b62\u7121\u9650\u547c\u53eb\u3002<\/p>\n

\u4f8b\u5982\uff0c\u4fee\u6539\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\uff0c\u52a0\u5165\u57fa\u790e\u6848\u4f8b\uff1a<\/p>\n

“`python
\ndef foo(count):
\n if count > 0:
\n print(‘Hello World!’)
\n foo(count – 1)<\/p>\n

foo(5)
\n“`<\/p>\n

\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u51fd\u5f0f `foo()` \u6703\u5728\u53c3\u6578 `count` \u5927\u65bc 0 \u6642\u547c\u53eb\u81ea\u5df1\uff0c\u7576 `count` \u70ba 0 \u6642\uff0c\u5c07\u505c\u6b62\u547c\u53eb\uff0c\u907f\u514d\u7121\u9650\u905e\u8ff4\u3002<\/p>\n

\u5ef6\u4f38\u61c9\u7528\uff1a\u4f7f\u7528\u5c3e\u905e\u8ff4\u512a\u5316<\/h2>\n

\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u4ee5\u901a\u904e\u5c3e\u905e\u8ff4\u512a\u5316\u4f86\u907f\u514d `RecursionError`\u3002\u5c3e\u905e\u8ff4\u662f\u6307\u51fd\u5f0f\u7684\u6700\u5f8c\u4e00\u500b\u64cd\u4f5c\u662f\u547c\u53eb\u81ea\u8eab\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5806\u758a\u4f7f\u7528\u3002Python \u4e26\u4e0d\u539f\u751f\u652f\u6301\u5c3e\u905e\u8ff4\u512a\u5316\uff0c\u4f46\u53ef\u4ee5\u901a\u904e\u8fed\u4ee3\u4f86\u6a21\u64ec\uff1a<\/p>\n

“`python
\ndef tail_recursive_foo(n):
\n result = 0
\n while n > 0:
\n result += n
\n n -= 1
\n return result<\/p>\n

print(tail_recursive_foo(5))
\n“`<\/p>\n

\u9019\u6bb5\u7a0b\u5f0f\u78bc\u4f7f\u7528\u8ff4\u5708\u53d6\u4ee3\u4e86\u905e\u8ff4\uff0c\u66f4\u6709\u6548\u7387\u4e14\u4e0d\u6703\u5c0e\u81f4 `RecursionError`\u3002<\/p>\n

\u7d50\u8ad6<\/h2>\n

`RecursionError` \u662f Python \u4e2d\u4e00\u500b\u5e38\u898b\u7684\u932f\u8aa4\uff0c\u958b\u767c\u8005\u9700\u8981\u4ed4\u7d30\u6aa2\u67e5\u7a0b\u5f0f\u78bc\uff0c\u4ee5\u9632\u6b62\u7121\u9650\u905e\u8ff4\u7684\u60c5\u6cc1\u767c\u751f\u3002\u900f\u904e\u6b63\u78ba\u7684\u8a2d\u8a08\u8207\u6aa2\u67e5\uff0c\u53ef\u4ee5\u6709\u6548\u907f\u514d\u6b64\u932f\u8aa4\uff0c\u4e26\u63d0\u5347\u7a0b\u5f0f\u7684\u7a69\u5b9a\u6027\u548c\u6548\u7387\u3002\u5982\u9700\u9032\u4e00\u6b65\u5b78\u7fd2 Python \u8a9e\u8a00\u7684\u76f8\u95dc\u77e5\u8b58\uff0c\u5efa\u8b70\u53c3\u8003 [\u9019\u88e1\u7684\u6559\u5b78\u6587\u7ae0](https:\/\/vocus.cc) \u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u6e90\u3002<\/p>\n

Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n

**Q: \u5982\u4f55\u77e5\u9053\u7a0b\u5f0f\u78bc\u4e2d\u662f\u5426\u6709\u7121\u9650\u905e\u8ff4\u7684\u554f\u984c\uff1f**
\nA: \u53ef\u4ee5\u6aa2\u67e5\u51fd\u5f0f\u7684\u547c\u53eb\u908f\u8f2f\uff0c\u78ba\u8a8d\u662f\u5426\u6709\u57fa\u790e\u6848\u4f8b\u6216\u689d\u4ef6\u5224\u65b7\u4f86\u7d42\u6b62\u905e\u8ff4\uff0c\u4e26\u6ce8\u610f\u7a0b\u5f0f\u57f7\u884c\u6642\u662f\u5426\u62cb\u51fa `RecursionError`\u3002<\/p>\n

**Q: Python \u4e2d\u7684\u905e\u8ff4\u6709\u4ec0\u9ebc\u7528\u9014\uff1f**
\nA: \u905e\u8ff4\u5728\u8655\u7406\u6a39\u72c0\u7d50\u69cb\u3001\u5206\u6cbb\u6cd5\u7b97\u6cd5\u3001\u4ee5\u53ca\u4e00\u4e9b\u6578\u5b78\u554f\u984c\uff08\u5982\u8cbb\u6ce2\u90a3\u5951\u6578\u5217\uff09\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/p>\n

**Q: \u5982\u679c\u6211\u9047\u5230 `RecursionError`\uff0c\u61c9\u8a72\u600e\u9ebc\u8655\u7406\uff1f**
\nA: \u6aa2\u67e5\u51fd\u5f0f\u7684\u8a2d\u8a08\uff0c\u78ba\u4fdd\u6709\u9069\u7576\u7684\u7d42\u6b62\u689d\u4ef6\uff0c\u4e26\u8003\u616e\u5c07\u905e\u8ff4\u6539\u70ba\u8fed\u4ee3\u4ee5\u907f\u514d\u5806\u758a\u6ea2\u51fa\u3002<\/p>\n

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

\u5728Python\u4e2d\uff0cRecursionError\u662f\u4e00\u500b\u5e38\u898b\u7684\u932f\u8aa4\uff0c\u5b83\u6703\u5c0e\u81f4\u7a0b\u5e8f\u5d29\u6f70\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39RecursionError\u7684\u539f\u56e0\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528methods()\u51fd\u6578\u4f86\u89e3\u6c7a\u9019\u500b\u554f\u984c\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-3629","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-Wx","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3629","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=3629"}],"version-history":[{"count":2,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3629\/revisions"}],"predecessor-version":[{"id":12775,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3629\/revisions\/12775"}],"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=3629"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3629"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3629"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}