{"id":70,"date":"2023-10-22T02:01:07","date_gmt":"2023-10-21T18:01:07","guid":{"rendered":"https:\/\/www.liaoxinghui.com\/?p=70"},"modified":"2023-10-23T09:25:58","modified_gmt":"2023-10-23T01:25:58","slug":"fastapi%e5%bb%ba%e7%ab%8bwebsocket%e7%ae%a1%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.liaoxinghui.com\/?p=70","title":{"rendered":"FASTAPI\u5efa\u7acbWebSocket\u7ba1\u7406"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u5728FastAPI\u4e2d\uff0c\u901a\u8fc7<code>ConnectionManager<\/code>\u7c7b\u521b\u5efaWebSocket\u4f1a\u8bdd\u4e0e\u76f4\u63a5\u521b\u5efaWebSocket\u4f1a\u8bdd\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u7ba1\u7406\u548c\u7ef4\u62a4\u6d3b\u52a8\u8fde\u63a5\u7684\u80fd\u529b\u3002<\/p>\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4f60\u76f4\u63a5\u521b\u5efaWebSocket\u4f1a\u8bdd\uff0c\u90a3\u4e48\u4f60\u9700\u8981\u81ea\u5df1\u7ba1\u7406\u6240\u6709\u7684\u6d3b\u52a8\u8fde\u63a5\uff0c\u5305\u62ec\u6dfb\u52a0\u65b0\u7684\u8fde\u63a5\uff0c\u5220\u9664\u65e7\u7684\u8fde\u63a5\uff0c\u4ee5\u53ca\u5728\u9700\u8981\u65f6\u5411\u7279\u5b9a\u7684\u8fde\u63a5\u53d1\u9001\u6d88\u606f\u3002<\/p>\n<p class=\"wp-block-paragraph\">\u800c<code>ConnectionManager<\/code>\u7c7b\u5219\u4e3a\u4f60\u63d0\u4f9b\u4e86\u8fd9\u4e9b\u529f\u80fd\u3002\u5728<code>ConnectionManager<\/code>\u4e2d\uff0c\u6240\u6709\u7684\u6d3b\u52a8\u8fde\u63a5\u90fd\u88ab\u5b58\u50a8\u5728<code>active_connections<\/code>\u5217\u8868\u4e2d\u3002\u5f53\u4e00\u4e2a\u65b0\u7684WebSocket\u8fde\u63a5\u88ab\u63a5\u53d7\u65f6\uff0c\u5b83\u4f1a\u88ab\u6dfb\u52a0\u5230\u8fd9\u4e2a\u5217\u8868\u4e2d\u3002\u5f53\u4e00\u4e2aWebSocket\u8fde\u63a5\u88ab\u65ad\u5f00\u65f6\uff0c\u5b83\u4f1a\u4ece\u8fd9\u4e2a\u5217\u8868\u4e2d\u5220\u9664\u3002\u6b64\u5916\uff0c<code>ConnectionManager<\/code>\u8fd8\u63d0\u4f9b\u4e86<code>send_personal_message<\/code>\u65b9\u6cd5\uff0c\u5141\u8bb8\u4f60\u5411\u7279\u5b9a\u7684WebSocket\u8fde\u63a5\u53d1\u9001\u6d88\u606f\u3002<\/p>\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u4f7f\u7528<code>ConnectionManager<\/code>\u7c7b\u53ef\u4ee5\u8ba9\u4f60\u66f4\u65b9\u4fbf\u5730\u7ba1\u7406\u548c\u7ef4\u62a4WebSocket\u8fde\u63a5\uff0c\u800c\u65e0\u9700\u81ea\u5df1\u7f16\u5199\u5927\u91cf\u7684\u4ee3\u7801\u3002<\/p>\n<pre class=\"wp-block-code has-text-color has-background\" style=\"color:#050505;background-color:#fefefe\"><code>class ConnectionManager:\n    def __init__(self):\n        self.active_connections: List[WebSocket] = []\n\n    async def connect(self, websocket: WebSocket):\n        await websocket.accept()\n        self.active_connections.append(websocket)\n\n    async def disconnect(self, websocket: WebSocket):\n        self.active_connections.remove(websocket)\n\n    async def send_personal_message(self, message: str, websocket: WebSocket):\n        await websocket.send_text(message)\n\nmanager = ConnectionManager()<\/code><\/pre>\n<p class=\"wp-block-paragraph\">\u521b\u5efaWS\u94fe\u63a5\u65f6<\/p>\n<pre class=\"wp-block-code\"><code>@site_app.websocket(&quot;\/YOURPATH&quot;)\nasync def websocket_endpoint(websocket: WebSocket, order_id: str):\n    await manager.connect(websocket)\n          try:\n\n          #do something.....\n\n    except WebSocketDisconnect:\n        await manager.disconnect(websocket)<\/code><\/pre>","protected":false},"excerpt":{"rendered":"<p>\u5728FastAPI\u4e2d\uff0c\u901a\u8fc7ConnectionManager\u7c7b\u521b\u5efaWebSocket\u4f1a\u8bdd\u4e0e\u76f4\u63a5\u521b\u5efaWebSocket\u4f1a\u8bdd\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u7ba1\u7406\u548c &hellip;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-70","post","type-post","status-publish","format-standard","hentry","category-python"],"views":508,"_links":{"self":[{"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=\/wp\/v2\/posts\/70","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=70"}],"version-history":[{"count":4,"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=\/wp\/v2\/posts\/70\/revisions"}],"predecessor-version":[{"id":101,"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=\/wp\/v2\/posts\/70\/revisions\/101"}],"wp:attachment":[{"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=70"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=70"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.liaoxinghui.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=70"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}