{"id":204735,"date":"2025-05-29T09:55:45","date_gmt":"2025-05-29T01:55:45","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204735\/"},"modified":"2025-05-29T09:55:45","modified_gmt":"2025-05-29T01:55:45","slug":"fastapi-%e4%b8%ad%e5%a6%82%e4%bd%95%e5%b0%86%e9%80%97%e5%8f%b7%e5%88%86%e9%9a%94%e7%9a%84%e5%ad%97%e7%ac%a6%e4%b8%b2%e8%a7%a3%e6%9e%90%e4%b8%ba%e5%88%97%e8%a1%a8%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204735\/","title":{"rendered":"FastAPI \u4e2d\u5982\u4f55\u5c06\u9017\u53f7\u5206\u9694\u7684\u5b57\u7b26\u4e32\u89e3\u6790\u4e3a\u5217\u8868\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

FastAPI \u4e2d\u5982\u4f55\u5c06\u9017\u53f7\u5206\u9694\u7684\u5b57\u7b26\u4e32\u89e3\u6790\u4e3a\u5217\u8868\uff1f<\/h1>\n

\u5bf9\u4e8e\u4e00\u4e2a\u6587\u7ae0\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u7262\u56fa\u624e\u5b9e\u7684\u57fa\u7840\u662f\u5341\u5206\u91cd\u8981\u7684\uff0c\u5c31\u6765\u5e26\u5927\u5bb6\u4e00\u70b9\u70b9\u7684\u638c\u63e1\u57fa\u7840\u77e5\u8bc6\u70b9\u3002\u4eca\u5929\u672c\u7bc7\u6587\u7ae0\u5e26\u5927\u5bb6\u4e86\u89e3\u300aFastAPI \u4e2d\u5982\u4f55\u5c06\u9017\u53f7\u5206\u9694\u7684\u5b57\u7b26\u4e32\u89e3\u6790\u4e3a\u5217\u8868\uff1f\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e86\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u5feb\u70b9\u6536\u85cf\u8d77\u6765\u5427\uff0c\u5426\u5219\u9700\u8981\u65f6\u5c31\u627e\u4e0d\u5230\u4e86\uff01<\/p>\n

<\/p>\n

fastapi \u4e2d\u5982\u4f55\u4f7f\u7528\u9017\u53f7\u5206\u5272 list\uff0c\u800c\u4e0d\u662f\u540c\u540d\u952e\u503c\u5bf9\uff1f<\/strong><\/p>\n

fastapi \u901a\u5e38\u5c06 query \u53c2\u6570\u89e3\u6790\u4e3a\u5217\u8868\uff0c\u5f53\u540c\u540d\u53c2\u6570\u591a\u6b21\u51fa\u73b0\u65f6\u3002\u7136\u800c\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4f60\u53ef\u80fd\u66f4\u559c\u6b22\u4f7f\u7528\u9017\u53f7\u5206\u9694\uff0c\u751f\u6210\u5355\u4e2a\u5b57\u7b26\u4e32\u503c\u3002<\/p>\n

\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n

\u6709\u4e24\u79cd\u65b9\u6cd5\u53ef\u4ee5\u505a\u5230\u8fd9\u4e00\u70b9\uff1a<\/p>\n

1. \u4f7f\u7528\u5b57\u7b26\u4e32\u53c2\u6570<\/strong><\/p>\n

\u5c06 query \u53c2\u6570\u58f0\u660e\u4e3a\u5b57\u7b26\u4e32\u7c7b\u578b\u5e76\u81ea\u884c\u89e3\u6790\uff1a<\/p>\n

source: optional[str] = query(none, description=\"\u8bf7\u7528`,`\u5206\u5272\u591a\u4e2a\u53c2\u6570\uff0c\u5982`manual,vdna,text-match`\")<\/pre>\n
\u5728\u4f60\u7684\u4ee3\u7801\u4e2d\uff0c\u89e3\u6790\u540e\u7684\u503c\u5c06\u5b58\u50a8\u5728 parsed_source \u53d8\u91cf\u4e2d\uff1a<\/p>\n
parsed_source = source.split(\",\") if source else []<\/pre>\n
2. \u521b\u5efa\u81ea\u5b9a\u4e49\u4f9d\u8d56\u9879<\/strong><\/p>\n
\u7f16\u5199\u81ea\u5df1\u7684\u4f9d\u8d56\u9879\u4ee5\u89e3\u6790\u548c\u9a8c\u8bc1 comma \u5206\u9694\u5217\u8868\uff1a<\/p>\n
from fastapi import depends, httpexception\nfrom fastapi.params import depends\n\nasync def split_comma_separated_list(csv_string: str) -> list[str]:\n    \"\"\"\u52a9\u624b\u51fd\u6570\uff0c\u5c06\u9017\u53f7\u5206\u9694\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5217\u8868\u3002\"\"\"\n    parsed_list = csv_string.split(\",\")\n    for item in parsed_list:\n        if not item:\n            raise httpexception(status_code=400, detail=\"\u65e0\u6548\u7684\u53c2\u6570\")\n    return parsed_list\n\nasync def get_comma_separated_list(request: request,\n                                   csv_string: str = depends(split_comma_separated_list)) -> list[str]:\n    \"\"\"\u83b7\u53d6\u9017\u53f7\u5206\u9694\u5217\u8868\u7684\u4f9d\u8d56\u9879\u3002\"\"\"\n    return csv_string<\/pre>\n
\u5728\u4f60\u7684\u8def\u7531\u51fd\u6570\u4e2d\uff0c\u4f7f\u7528 get_comma_separated_list \u4f9d\u8d56\u9879\uff1a<\/p>\n
@router.get(\"\/my-route\")\nasync def my_route(csv_list: list[str] = Depends(get_comma_separated_list)):\n    # `csv_list` \u662f\u4e00\u4e2a\u5305\u542b\u9017\u53f7\u5206\u9694\u6761\u76ee\u7684\u5b57\u7b26\u4e32\u7684\u5217\u8868\n    return csv_list<\/pre>\n
\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aFastAPI \u4e2d\u5982\u4f55\u5c06\u9017\u53f7\u5206\u9694\u7684\u5b57\u7b26\u4e32\u89e3\u6790\u4e3a\u5217\u8868\uff1f\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6587\u7ae0\u77e5\u8bc6\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
FastAPI \u4e2d\u5982\u4f55\u5c06\u9017\u53f7\u5206\u9694...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-204735","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204735","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=204735"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204735\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204735"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204735"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204735"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}