{"id":346,"date":"2025-12-08T11:48:53","date_gmt":"2025-12-08T03:48:53","guid":{"rendered":"https:\/\/ziyuan.work\/?p=346"},"modified":"2025-12-08T11:48:53","modified_gmt":"2025-12-08T03:48:53","slug":"websocket%e5%92%8chttp-upgrade%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"https:\/\/ziyuan.work\/?p=346","title":{"rendered":"WebSocket\u548cHTTP Upgrade\u673a\u5236"},"content":{"rendered":"\n<p class=\"has-text-align-left is-style-default\">HTTP\u534f\u8bae\u7528\u4e8e\u6d4f\u89c8\u5668\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002\u6bcf\u6b21\u8bf7\u6c42\u662f\u72ec\u7acb\u7684\uff0c\u4e0d\u8bb0\u5386\u53f2\uff0cHTTP\u6765\u8f6e\u8be2\u670d\u52a1\u5668\u66f4\u65b0\u589e\u52a0\u6027\u80fd\u652f\u51fa\u3002<\/p>\n\n\n\n<p>WebSocket\u534f\u8bae\u65e8\u5728\u53d6\u4ee3\u73b0\u6709\u5229\u7528HTTP\u4f5c\u4e3a\u4f20\u8f93\u5c42\u7684\u53cc\u5411\u901a\u4fe1\u6280\u672f\uff0c\u4ece\u800c\u5229\u7528\u73b0\u6709\u57fa\u7840\u8bbe\u65bd\uff08\u4ee3\u7406\u3001\u8fc7\u6ee4\u3001\u8ba4\u8bc1\uff09\u3002\u4f46WS\u662f\u57fa\u4e8eHTTP\u5c42\uff0c\u800c\u4e0d\u662f\u4e3a\u4e86\u53d6\u4ee3HTTP\u3002<\/p>\n\n\n\n<p class=\"has-text-align-left is-style-default\">\u5728HTTP\u534f\u8bae\u4e2d\uff0c\u201cUpgrade\u201d\u673a\u5236\u5141\u8bb8\u5ba2\u6237\u7aef\u544a\u8bc9\u670d\u52a1\u5668\u628a\u5f53\u524d\u7684HTTP\u8fde\u63a5\u5347\u7ea7\u5230\u53e6\u4e00\u79cd\u534f\u8bae\u3002\uff08<a href=\"https:\/\/www.rfc-editor.org\/rfc\/rfc2616.html\">RFC 2616<\/a>\uff09\u3002<\/p>\n\n\n\n<p class=\"has-text-align-left is-style-default\">WebSocket\u534f\u8bae\u7531\u5f00\u542f\u63e1\u624b\u548c\u57fa\u7840\u6d88\u606f\u6846\u67b6\u7ec4\u6210\uff0c\u5206\u5c42\u53e0\u52a0\u5728TCP\u4e4b\u4e0a\uff0c \u8be5\u6280\u672f\u7684\u76ee\u6807\u662f\u4e3a\u9700\u8981\u4e0e\u670d\u52a1\u5668\u53cc\u5411\u901a\u4fe1\u7684\u6d4f\u89c8\u5668\u5e94\u7528\u63d0\u4f9b\u4e00\u79cd\u673a\u5236\uff0c\u65e0\u9700\u5f00\u542f\u591a\u4e2aHTTP\u8fde\u63a5\u3002WS\u901a\u8fc7HTTP\u5347\u7ea7\u534f\u8bae\u63e1\u624b\u3002\u4e00\u6761\u5411\u670d\u52a1\u5668\u7684WS\u63e1\u624b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>GET \/chat HTTP\/1.1<br>Host: server.example.com<br>Upgrade: websocket<br>Connection: Upgrade<br>Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==<br>Origin: http:\/\/example.com<br>Sec-WebSocket-Protocol: chat, superchat<br>Sec-WebSocket-Version: 13<\/code><\/pre>\n\n\n\n<p>\u4e00\u6761\u5411\u5ba2\u6237\u7aef\u7684WS\u63e1\u624b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>HTTP\/1.1 101 Switching Protocols<br>Upgrade: websocket<br>Connection: Upgrade<br>Sec-WebSocket-Accept: s3pPLMBiTxaQ9kYGzzhZRbK+xOo=<br>Sec-WebSocket-Protocol: chat<\/code><\/pre>\n\n\n\n<p>\u4e00\u65e6\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u90fd\u53d1\u9001\u4e86\u63e1\u624b\uff0c\u5982\u679c\u63e1\u624b\u6210\u529f\uff0c\u6570\u636e\u4f20\u8f93\u9636\u6bb5\u624d\u5f00\u59cb\u3002\u8fd9\u662f\u4e00\u4e2a\u53cc\u5411\u901a\u4fe1\u901a\u9053\uff0c\u53cc\u65b9\u53ef\u4ee5\u72ec\u7acb\u5730\u968f\u610f\u53d1\u9001\u6570\u636e\u3002\u6210\u529f\u63e1\u624b\u540e\uff0c\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4ee5\u672c\u89c4\u8303\u4e2d\u79f0\u4e3a\u201c\u6d88\u606f\u201d\u7684\u6982\u5ff5\u5355\u5143\u8fdb\u884c\u6570\u636e\u4f20\u9012\u3002 \u5728\u7ebf\u8def\u4e0a\uff0c\u4e00\u6761\u6d88\u606f\u7531\u4e00\u4e2a\u6216\u591a\u4e2a\u7ec4\u6210\u6846\u67b6\u3002 WebSocket\u6d88\u606f\u4e0d\u4e00\u5b9a\u5bf9\u5e94\u4e8e\u7279\u5b9a\u7684\u7f51\u7edc\u5c42\u6846\u67b6\uff0c\u56e0\u4e3a\u5206\u6bb5\u6d88\u606f\u53ef\u80fd\u88ab\u4e2d\u4ecb\u5408\u5e76\u6216\u62c6\u5206\u3002<\/p>\n\n\n\n<p><strong>Sec-WebSocket-Protocol: chat<\/strong><br>\u7528\u4e8e\u9632\u6b62\u811a\u672c\u5728\u7f51\u9875\u6d4f\u89c8\u5668\u4e2d\u4f7f\u7528 WebSocket API \u65f6\u672a\u7ecf\u6388\u6743\u4ea4\u53c9\u4f7f\u7528\u8be5\u670d\u52a1\u5668\u3002 \u670d\u52a1\u5668\u4f1a\u88ab\u544a\u77e5\u751f\u6210WebSocket\u8fde\u63a5\u8bf7\u6c42\u7684\u811a\u672c\u6765\u6e90\u3002 \u5982\u679c\u670d\u52a1\u5668\u4e0d\u613f\u610f\u63a5\u53d7\u6765\u81ea\u8be5\u6e90\u7684\u8fde\u63a5\uff0c\u53ef\u4ee5\u901a\u8fc7\u53d1\u9001\u76f8\u5e94\u7684HTTP\u9519\u8bef\u4ee3\u7801\u6765\u62d2\u7edd\u8fde\u63a5\u3002 \u8be5\u5934\u5b57\u6bb5\u7531\u6d4f\u89c8\u5668\u5ba2\u6237\u7aef\u53d1\u9001;\u5bf9\u4e8e\u975e\u6d4f\u89c8\u5668\u5ba2\u6237\u7aef\uff0c\u5982\u679c\u5728\u5ba2\u6237\u7aef\u4e0a\u4e0b\u6587\u4e2d\u5408\u7406\uff0c\u53ef\u80fd\u4f1a\u53d1\u9001\u8be5\u5934\u5b57\u6bb5\u3002<\/p>\n\n\n\n<p><strong>Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==<\/strong><br>\u5bf9\u4e8e\u8be5\u5934\u90e8\u5b57\u6bb5\uff0c\u670d\u52a1\u5668\u5fc5\u987b\u5c06\u5934\u90e8\u5b57\u6bb5\u4e2d\u7684\u503c\u4e0e\u5168\u5c40\u552f\u4e00\u6807\u8bc6\u7b26\u5b57\u7b26\u4e32\u5f62\u5f0f\u201c258EAFA5-E914-47DA- 95CA-C5AB0DC85B11\u201d\u4e32\u8054\u8d77\u6765\uff0c\u8fd9\u901a\u5e38\u4e0d\u4f1a\u88ab\u4e0d\u7406\u89e3WebSocket\u534f\u8bae\u7684\u7f51\u7edc\u7aef\u70b9\u4f7f\u7528\u3002 \u8be5\u8fde\u63a5\u7684SHA-1\u54c8\u5e0c\u503c\uff08160\u4f4d\uff09\uff0c\u4ee5base64\u7f16\u7801\uff0c\u968f\u540e\u5728\u670d\u52a1\u5668\u63e1\u624b\u4e2d\u8fd4\u56de\u3002<\/p>\n\n\n\n<p><strong>HTTP\/1.1 101 Switching Protocols<\/strong><br>\u9664\u4e86101\u4ee5\u5916\u7684\u4efb\u4f55\u72b6\u6001\u7801\uff0c\u90fd\u8868\u793aWebSocket\u63e1\u624b\u5c1a\u672a\u5b8c\u6210\uff0cHTTP\u7684\u8bed\u4e49\u4ecd\u7136\u9002\u7528\u3002\u5934\u90e8\u7d27\u8ddf\u72b6\u6001\u7801\u3002<\/p>\n\n\n\n<p><strong>HTTP\/1.1 101 Switching Protocols<br>Upgrade: websocket<br>Connection: Upgrade<br>Sec-WebSocket-Accept: s3pPLMBiTxaQ9kYGzzhZRbK+xOo=<\/strong><br>WebSocket\u5ba2\u6237\u7aef\u4f1a\u68c0\u67e5\u8fd9\u4e9b\u5b57\u6bb5\u4ee5\u67e5\u627e\u811a\u672c\u9875\u9762\u3002\u5982\u679c |Sec-WebSocket-Accept|\u5982\u679c\u7f3a\u5c11\u5934\u5b57\u6bb5\uff0c\u6216\u8005 HTTP \u72b6\u6001\u7801\u4e0d\u662f 101\uff0c\u5219\u8fde\u63a5\u65e0\u6cd5\u5efa\u7acb\uff0cWebSocket\u5e27\u4e5f\u4e0d\u4f1a\u53d1\u9001\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u901a\u8fc7\u5347\u7ea7\u5668\uff0chttp\u670d\u52a1\u88ab\u5347\u7ea7\u4e3awebsocket\u670d\u52a1\uff0c\u9664\u975e\u5f97\u5230websocket\u63e1\u624b\uff0c\u5426\u5219\u8fde\u63a5\u5931\u8d25\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#<strong>Go<\/strong>\n\n#An upgrader\nvar upgrader = websocket.Upgrader{\n\tCheckOrigin: func(r *http.Request) bool {\n\t\treturn true\n\t},\n}\n\nvar wsClients   = make(map&#91;*websocket.Conn]bool)\n\nfunc wsHandler(c *gin.Context) {\n\tconn, err := upgrader.Upgrade(c.Writer, c.Request, nil)\n\tif err != nil {\n\t\treturn\n\t}\n\tdefer conn.Close()\n\twsClients&#91;conn] = true\n\tfor {\n\t\t_, _, err := conn.ReadMessage()\n\t\tif err != nil {\n\t\t\tdelete(wsClients, conn)\n\t\t\tbreak\n\t\t}\n\t}\n}\n\nfunc main() {\n        r := gin.Default()\n        r.GET(\"\/ws\", wsHandler)\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>HTTP\u534f\u8bae\u7528\u4e8e\u6d4f\u89c8\u5668\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002\u6bcf\u6b21\u8bf7\u6c42\u662f\u72ec\u7acb\u7684\uff0c\u4e0d\u8bb0\u5386\u53f2\uff0cHTTP\u6765\u8f6e\u8be2\u670d\u52a1\u5668\u66f4\u65b0\u589e\u52a0\u6027\u80fd\u652f\u51fa\u3002 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-346","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/ziyuan.work\/index.php?rest_route=\/wp\/v2\/posts\/346","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ziyuan.work\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ziyuan.work\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ziyuan.work\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ziyuan.work\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=346"}],"version-history":[{"count":18,"href":"https:\/\/ziyuan.work\/index.php?rest_route=\/wp\/v2\/posts\/346\/revisions"}],"predecessor-version":[{"id":365,"href":"https:\/\/ziyuan.work\/index.php?rest_route=\/wp\/v2\/posts\/346\/revisions\/365"}],"wp:attachment":[{"href":"https:\/\/ziyuan.work\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=346"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ziyuan.work\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=346"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ziyuan.work\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=346"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}