{"id":3500,"date":"2025-05-31T15:31:19","date_gmt":"2025-06-04T07:32:18","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3500"},"modified":"2025-06-04T15:31:19","modified_gmt":"2025-06-04T07:32:18","slug":"%e4%ba%86%e8%a7%a3python%e4%b8%adnamedtuple%e5%87%bd%e6%95%b8%e7%9a%84%e5%84%aa%e5%8b%a2%e8%88%87%e6%87%89%e7%94%a8","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e4%ba%86%e8%a7%a3python%e4%b8%adnamedtuple%e5%87%bd%e6%95%b8%e7%9a%84%e5%84%aa%e5%8b%a2%e8%88%87%e6%87%89%e7%94%a8\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u7684 namedtuple() \u51fd\u6578\uff1a\u512a\u52e2\u3001\u61c9\u7528\u8207\u6700\u4f73\u5be6\u8e10\uff082025 \u6700\u65b0\uff09"},"content":{"rendered":"

<\/p>\n

\u6df1\u5165\u4e86\u89e3 Python \u7684 namedtuple()<\/h1>\n

Python \u4e2d\u7684 `namedtuple()` \u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u8b93\u4f60\u5efa\u7acb\u4e00\u500b\u53ef\u547d\u540d\u7684 tuple\uff0c\u4f7f\u5f97\u8a2a\u554f tuple \u4e2d\u7684\u5143\u7d20\u8b8a\u5f97\u66f4\u52a0\u76f4\u89c0\u548c\u65b9\u4fbf\u3002\u5728\u672c\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e `namedtuple()` \u7684\u57fa\u672c\u7528\u6cd5\u3001\u9032\u968e\u6280\u5de7\u4ee5\u53ca\u5be6\u969b\u61c9\u7528\uff0c\u8b93\u4f60\u80fd\u5920\u5728 2025 \u5e74\u7684 Python \u958b\u767c\u4e2d\u5145\u5206\u767c\u63ee\u5176\u512a\u52e2\u3002<\/p>\n

namedtuple() \u7684\u57fa\u672c\u7528\u6cd5<\/h2>\n

\u4f7f\u7528 `namedtuple()` \u4e4b\u524d\uff0c\u4f60\u9700\u8981\u5148\u5b9a\u7fa9\u4e00\u500b tuple \u7684\u6a21\u578b\u3002\u4f8b\u5982\uff1a<\/p>\n

“`python
\nfrom collections import namedtuple<\/p>\n

Point = namedtuple(‘Point’, [‘x’, ‘y’])
\n“`<\/p>\n

\u9019\u6a23\uff0c\u4f60\u5c31\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba `Point` \u7684 tuple\uff0c\u5b83\u6709\u5169\u500b\u5143\u7d20\uff0c\u5206\u5225\u662f `x` \u548c `y`\u3002\u63a5\u4e0b\u4f86\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u9019\u500b `Point` \u4f86\u5efa\u7acb\u4e00\u500b\u65b0\u7684 tuple\uff1a<\/p>\n

“`python
\np = Point(11, y=22)
\n“`<\/p>\n

\u9019\u6a23\uff0c\u4f60\u5c31\u5efa\u7acb\u4e86\u4e00\u500b\u65b0\u7684 `Point` tuple\uff0c\u5b83\u7684 `x` \u5143\u7d20\u70ba 11\uff0c`y` \u5143\u7d20\u70ba 22\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f\u4f86\u8a2a\u554f\u9019\u500b tuple \u7684\u5143\u7d20\uff1a<\/p>\n

“`python
\nprint(p.x) # \u8f38\u51fa: 11
\nprint(p.y) # \u8f38\u51fa: 22
\n“`<\/p>\n

\u9019\u6a23\uff0c\u4f60\u5c31\u53ef\u4ee5\u7372\u5f97 `x` \u548c `y` \u5143\u7d20\u7684\u503c\uff0c\u800c\u4e0d\u9700\u8981\u4f7f\u7528\u7d22\u5f15\u4f86\u8a2a\u554f\u3002<\/p>\n

namedtuple() \u7684\u66f4\u591a\u7528\u6cd5<\/h2>\n

\u9664\u4e86\u57fa\u672c\u7684\u4f7f\u7528\u65b9\u5f0f\uff0c`namedtuple()` \u9084\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5176\u4ed6\u65b9\u4fbf\u7684\u529f\u80fd\uff0c\u4f8b\u5982\uff1a<\/p>\n

– **\u4f7f\u7528 `_make()` \u65b9\u6cd5\u5efa\u7acb\u65b0\u7684 tuple\uff1a**
\n“`python
\np = Point._make([11, 22])
\n“`<\/p>\n

– **\u4f7f\u7528 `_asdict()` \u65b9\u6cd5\u5c07 tuple \u8f49\u63db\u70ba\u5b57\u5178\uff1a**
\n“`python
\nd = p._asdict() # {‘x’: 11, ‘y’: 22}
\n“`<\/p>\n

– **\u4f7f\u7528 `_replace()` \u65b9\u6cd5\u66ff\u63db tuple \u4e2d\u7684\u67d0\u500b\u5143\u7d20\uff1a**
\n“`python
\np = p._replace(x=33)
\n“`<\/p>\n

\u9019\u4e9b\u65b9\u6cd5\u4e0d\u50c5\u4f7f\u5f97\u64cd\u4f5c tuple \u66f4\u52a0\u9748\u6d3b\uff0c\u4e5f\u63d0\u5347\u4e86\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u3002<\/p>\n

\u932f\u8aa4\u6392\u9664<\/h2>\n

\u5728\u4f7f\u7528 `namedtuple()` \u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u5e38\u898b\u7684\u932f\u8aa4\uff0c\u4f8b\u5982\uff1a<\/p>\n

1. **NameError\uff1a** \u5982\u679c\u4f60\u5617\u8a66\u8a2a\u554f\u672a\u5b9a\u7fa9\u7684\u5c6c\u6027\uff0cPython \u6703\u62cb\u51fa `AttributeError`\u3002\u78ba\u4fdd\u4f60\u8a2a\u554f\u7684\u5c6c\u6027\u540d\u7a31\u6b63\u78ba\u3002<\/p>\n

2. **TypeError\uff1a** \u7576\u4f7f\u7528 `_make()` \u65b9\u6cd5\u6642\uff0c\u78ba\u4fdd\u63d0\u4f9b\u7684\u5217\u8868\u9577\u5ea6\u8207\u5b9a\u7fa9\u7684\u547d\u540d\u5143\u7d44\u4e00\u81f4\u3002<\/p>\n

3. **ImmutableError\uff1a** `namedtuple()` \u751f\u6210\u7684\u5143\u7d44\u662f\u4e0d\u53ef\u8b8a\u7684\uff0c\u8a66\u5716\u76f4\u63a5\u4fee\u6539\u5176\u4e2d\u7684\u5143\u7d20\u6703\u5c0e\u81f4\u932f\u8aa4\u3002\u4f7f\u7528 `_replace()` \u65b9\u6cd5\u4f86\u9032\u884c\u4fee\u6539\u3002<\/p>\n

\u5ef6\u4f38\u61c9\u7528<\/h2>\n

`namedtuple()` \u4e0d\u50c5\u9650\u65bc\u7c21\u55ae\u7684\u6578\u64da\u5b58\u5132\u3002\u5b83\u53ef\u4ee5\u7528\u65bc\uff1a<\/p>\n

– **\u6578\u64da\u5206\u6790\uff1a** \u65b9\u4fbf\u5730\u5b58\u5132\u548c\u64cd\u4f5c\u6578\u64da\u96c6\u4e2d\u7684\u884c\u3002
\n– **API \u8fd4\u56de\u503c\uff1a** \u4f7f\u7528 `namedtuple()` \u53ef\u4ee5\u6e05\u6670\u5730\u8868\u793a API \u8fd4\u56de\u7684\u6578\u64da\u7d50\u69cb\u3002<\/p>\n

\u5728\u5be6\u969b\u958b\u767c\u4e2d\uff0c\u5145\u5206\u5229\u7528 `namedtuple()` \u7684\u7279\u6027\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u78bc\u7684\u6574\u9ad4\u8cea\u91cf\u548c\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n

\u60f3\u8981\u66f4\u6df1\u5165\u4e86\u89e3 Python \u7684\u5176\u4ed6\u9ad8\u7d1a\u529f\u80fd\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u5efa\u8b70\u53c3\u8003[\u9019\u7bc7\u6559\u5b78\u6587\u7ae0](https:\/\/vocus.cc\/article\/5e7c1d0a4e6b5a001ce7c1d4)\u4ee5\u7372\u5f97\u66f4\u591a\u8cc7\u6599\u3002<\/p>\n

\u7e3d\u7d50<\/h2>\n

Python \u4e2d\u7684 `namedtuple()` \u662f\u4e00\u500b\u5341\u5206\u5f37\u5927\u7684\u5de5\u5177\uff0c\u5b83\u4e0d\u50c5\u63d0\u9ad8\u4e86\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\uff0c\u9084\u4f7f\u5f97\u6578\u64da\u7684\u64cd\u4f5c\u66f4\u52a0\u65b9\u4fbf\u3002\u900f\u904e\u672c\u6587\u7684\u4ecb\u7d39\uff0c\u4f60\u61c9\u8a72\u80fd\u5920\u5728 2025 \u5e74\u7684\u958b\u767c\u4e2d\u9748\u6d3b\u904b\u7528 `namedtuple()`\uff0c\u4e26\u77ad\u89e3\u5176\u66f4\u591a\u7684\u5be6\u7528\u65b9\u6cd5\u3002<\/p>\n

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

**Q1: namedtuple() \u548c\u666e\u901a tuple \u6709\u4ec0\u9ebc\u4e0d\u540c\uff1f**
\nA1: `namedtuple()` \u63d0\u4f9b\u4e86\u53ef\u547d\u540d\u7684\u5c6c\u6027\uff0c\u4f7f\u5f97\u8a2a\u554f\u5143\u7d20\u66f4\u52a0\u76f4\u89c0\uff0c\u4e26\u4e14\u5141\u8a31\u4f7f\u7528\u66f4\u597d\u7684\u4ee3\u78bc\u53ef\u8b80\u6027\u3002<\/p>\n

**Q2: \u5982\u4f55\u5728 namedtuple \u4e2d\u6dfb\u52a0\u65b0\u5c6c\u6027\uff1f**
\nA2: `namedtuple()` \u662f\u4e0d\u53ef\u8b8a\u7684\uff0c\u82e5\u8981\u6dfb\u52a0\u65b0\u5c6c\u6027\uff0c\u9700\u5275\u5efa\u4e00\u500b\u65b0\u7684 namedtuple \u985e\u578b\u3002<\/p>\n

**Q3: namedtuple() \u662f\u5426\u652f\u6301\u53ef\u9078\u53c3\u6578\uff1f**
\nA3: `namedtuple()` \u672c\u8eab\u4e0d\u652f\u6301\u53ef\u9078\u53c3\u6578\uff0c\u6240\u6709\u5c6c\u6027\u5fc5\u9808\u5728\u5b9a\u7fa9\u6642\u6307\u5b9a\uff0c\u4f46\u53ef\u4ee5\u4f7f\u7528\u9ed8\u8a8d\u503c\u4f86\u6a21\u64ec\u6b64\u884c\u70ba\u3002<\/p>\n

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

Namedtuple()\u51fd\u6578\u662fPython\u4e2d\u4e00\u7a2e\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5feb\u901f\u5efa\u7acb\u53ef\u8b8a\u52d5\u7684\u7269\u4ef6\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u6709\u6548\u7387\u7684\u64b0\u5beb\u7a0b\u5f0f\u78bc\uff0c\u4e26\u4e14\u63d0\u4f9b\u66f4\u591a\u7684\u5f48\u6027\u8207\u53ef\u8b8a\u6027\uff0c\u8b93\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u6709\u6548\u7387\u7684\u958b\u767c\u51fa\u66f4\u591a\u529f\u80fd\u6027\u7684\u7a0b\u5f0f\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-3500","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-Us","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3500","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=3500"}],"version-history":[{"count":3,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3500\/revisions"}],"predecessor-version":[{"id":12815,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3500\/revisions\/12815"}],"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=3500"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3500"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3500"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}