{"id":205122,"date":"2025-05-29T17:00:19","date_gmt":"2025-05-29T09:00:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205122\/"},"modified":"2025-05-29T17:00:19","modified_gmt":"2025-05-29T09:00:19","slug":"fastapi-%e4%b8%ad%e9%97%b4%e4%bb%b6%e5%a6%82%e4%bd%95%e5%90%8c%e6%ad%a5%e6%89%a7%e8%a1%8c%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205122\/","title":{"rendered":"FastAPI \u4e2d\u95f4\u4ef6\u5982\u4f55\u540c\u6b65\u6267\u884c\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>FastAPI \u4e2d\u95f4\u4ef6\u5982\u4f55\u540c\u6b65\u6267\u884c\uff1f<\/h1>\n<p>\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300aFastAPI \u4e2d\u95f4\u4ef6\u5982\u4f55\u540c\u6b65\u6267\u884c\uff1f\u300b\uff0c\u8986\u76d6\u4e86\u6587\u7ae0\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241124\/17324156466742909e3c602.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>fastapi\u4e2d\u5c06\u4e2d\u95f4\u4ef6\u6539\u4e3a\u540c\u6b65\u6a21\u5f0f<\/strong><\/p>\n<p>\u5728fastapi\u4e2d\uff0c\u4e2d\u95f4\u4ef6\u901a\u5e38\u662f\u5f02\u6b65\u7684\uff0c\u4f46\u8fd9\u4f1a\u5e26\u6765\u4e00\u4e9b inconveniente\uff0c\u5c24\u5176\u662f\u5728\u4f7f\u7528\u4e0d\u517c\u5bb9\u5f02\u6b65\u7684\u5e93\u65f6\u3002\u56e0\u6b64\uff0c\u5bf9\u4e8e\u5e0c\u671b\u5c06\u4e2d\u95f4\u4ef6\u51fd\u6570\u4fdd\u6301\u4e3a\u540c\u6b65\u7684\u60c5\u51b5\uff0c\u53ef\u4ee5\u8003\u8651\u4ee5\u4e0b\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<p><strong>\u4f7f\u7528run_in_threadpool\u6267\u884c\u540c\u6b65\u4ee3\u7801<\/strong><\/p>\n<p>run_in_threadpool\u662f\u4e00\u4e2a\u8f85\u52a9\u51fd\u6570\uff0c\u5141\u8bb8\u5728\u540e\u53f0\u7ebf\u7a0b\u6c60\u4e2d\u8fd0\u884c\u540c\u6b65\u4ee3\u7801\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u5c06\u540c\u6b65\u4ee3\u7801\u5305\u88c5\u5728\u5f02\u6b65\u51fd\u6570\u4e2d\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>from fastapi import FastAPI, Request, Response\nfrom starlette.concurrency import run_in_threadpool\n\napp = FastAPI()\n\ndef sync_code():\n    # \u8fd9\u91cc\u653e\u4f60\u7684\u540c\u6b65\u4ee3\u7801\n    pass\n\n@app.middleware(&amp;quot;http&amp;quot;)\nasync def sync_middleware(request: Request, call_next):\n    await run_in_threadpool(sync_code)\n    response = await call_next(request)\n    return response<\/pre>\n<p>\u5728\u8fd9\u79cd\u65b9\u6cd5\u4e2d\uff0csync_code\u51fd\u6570\u5305\u542b\u4f60\u7684\u540c\u6b65\u4ee3\u7801\u3002run_in_threadpool\u5c06\u5176\u5305\u88c5\u5728\u4e00\u4e2a\u5f02\u6b65\u51fd\u6570\u4e2d\uff0c\u5141\u8bb8\u5b83\u5728\u540e\u53f0\u7ebf\u7a0b\u6c60\u4e2d\u8fd0\u884c\u3002\u8fd9\u6837\uff0c\u4f60\u5c31\u53ef\u4ee5\u5728\u4e2d\u95f4\u4ef6\u4e2d\u4f7f\u7528\u540c\u6b65\u4ee3\u7801\uff0c\u540c\u65f6\u4fdd\u6301\u5176\u5f02\u6b65\u6027\u8d28\u3002<\/p>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aFastAPI \u4e2d\u95f4\u4ef6\u5982\u4f55\u540c\u6b65\u6267\u884c\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>FastAPI \u4e2d\u95f4\u4ef6\u5982\u4f55\u540c\u6b65\u6267&#46;&#46;&#46;<\/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-205122","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205122","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=205122"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205122\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205122"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205122"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}