{"id":205995,"date":"2025-06-12T10:04:51","date_gmt":"2025-06-12T02:04:51","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205995\/"},"modified":"2025-06-12T10:04:51","modified_gmt":"2025-06-12T02:04:51","slug":"go-%e8%af%ad%e8%a8%80%e4%b8%ad-websocket-%e5%a4%9a%e8%bf%9e%e6%8e%a5%e9%a2%91%e7%b9%81%e6%96%ad%e5%bc%80%ef%bc%8c%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205995\/","title":{"rendered":"Go \u8bed\u8a00\u4e2d WebSocket \u591a\u8fde\u63a5\u9891\u7e41\u65ad\u5f00\uff0c\u5982\u4f55\u89e3\u51b3\uff1f"},"content":{"rendered":"<p>\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300aGo \u8bed\u8a00\u4e2d WebSocket \u591a\u8fde\u63a5\u9891\u7e41\u65ad\u5f00\uff0c\u5982\u4f55\u89e3\u51b3\uff1f\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241031\/17303459816722fbfd16d1a.jpg\" class=\"aligncenter\">,\u5728 go \u8bed\u8a00\u4e2d\u4f7f\u7528 websocket \u5efa\u7acb\u591a\u4e2a\u8fde\u63a5\u65f6\u53ef\u80fd\u4f1a\u51fa\u73b0\u9891\u7e41\u65ad\u5f00\u7684\u95ee\u9898\u3002\u8fd9\u53ef\u80fd\u662f\u7531\u4e8e\u672a\u80fd\u6b63\u786e\u5904\u7406\u5e76\u53d1\u8fde\u63a5\u5bfc\u81f4\u7684\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u89e3\u51b3\u6b64\u95ee\u9898\u7684\u5efa\u8bae\uff1a,\u4f60\u7684\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528 go func() \u51fd\u6570\u4ee5\u5e76\u53d1\u7684\u5f62\u5f0f\u8c03\u7528\u53d1\u9001\u5fc3\u8df3\u6d88\u606f\u7684\u533f\u540d\u51fd\u6570\u3002\u8fd9\u610f\u5473\u7740\u8be5\u51fd\u6570\u4f1a\u5728\u4e00\u4e2a\u72ec\u7acb goroutine \u4e2d\u8fd0\u884c\uff0c\u540c\u65f6 websocket \u8fde\u63a5\u4e5f\u5728\u53e6\u4e00\u4e2a goroutine \u4e2d\u8fd0\u884c\u3002\u8fd9\u4e24\u4e2a goroutine \u53ef\u80fd\u4ee5\u4e0d\u540c\u7684\u901f\u5ea6\u6267\u884c\uff0c\u5bfc\u81f4\u53d1\u9001\u5fc3\u8df3\u6d88\u606f\u4e0d\u53ca\u65f6\uff0c\u4ece\u800c\u5bfc\u81f4\u8fde\u63a5\u65ad\u5f00\u3002,\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a,\u8fd9\u91cc\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u6f14\u793a\u4e86\u4f7f\u7528\u901a\u9053\u6765\u5904\u7406 websocket \u8fde\u63a5\uff1a,\u901a\u8fc7\u4f7f\u7528\u901a\u9053\u6765\u901a\u4fe1\uff0c\u4e24\u4e2a goroutine \u53ef\u4ee5\u6709\u5e8f\u5730\u4ea4\u6362\u6d88\u606f\uff0c\u4ece\u800c\u786e\u4fdd\u53d1\u9001\u5fc3\u8df3\u6d88\u606f\u53ca\u65f6\u4e14\u53ef\u9760\u3002,\u672c\u7bc7\u5173\u4e8e\u300aGo \u8bed\u8a00\u4e2d WebSocket \u591a\u8fde\u63a5\u9891\u7e41\u65ad\u5f00\uff0c\u5982\u4f55\u89e3\u51b3\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8eGOLANG\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff01,\u4f7f\u7528\u901a\u9053\u6765\u5728 goroutine \u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1\u3002,\u4f7f\u7528\u4e00\u4e2a\u5e26\u6709\u9501\uff08sync.mutex \u6216 sync.rwmutex\uff09\u7684\u5355\u4e00 goroutine \u6765\u5904\u7406\u6240\u6709 websocket \u8fde\u63a5\u3002,\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300aGo \u8bed\u8a00\u4e2d WebSocket \u591a\u8fde\u63a5\u9891\u7e41\u65ad\u5f00\uff0c\u5982\u4f55\u89e3\u51b3\uff1f\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002,<br \/>\n<b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span> <span>Go \u8bed\u8a00\u4e2d WebSocket \u591a\u8fde\u63a5\u9891\u7e41\u65ad\u5f00\uff0c\u5982\u4f55\u89e3\u51b3\uff1f<\/span><\/p>\n<h1>Go \u8bed\u8a00\u4e2d WebSocket \u591a\u8fde\u63a5\u9891\u7e41\u65ad\u5f00\uff0c\u5982\u4f55\u89e3\u51b3\uff1f<\/h1>\n<p><span>2024-10-31 11:39:56<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300aGo \u8bed\u8a00\u4e2d WebSocket \u591a\u8fde\u63a5\u9891\u7e41\u65ad\u5f00\uff0c\u5982\u4f55\u89e3\u51b3\uff1f\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241031\/17303459816722fbfd16d1a.jpg\" class=\"aligncenter\"><\/p>\n<p>\u5728 go \u8bed\u8a00\u4e2d\u4f7f\u7528 websocket \u5efa\u7acb\u591a\u4e2a\u8fde\u63a5\u65f6\u53ef\u80fd\u4f1a\u51fa\u73b0\u9891\u7e41\u65ad\u5f00\u7684\u95ee\u9898\u3002\u8fd9\u53ef\u80fd\u662f\u7531\u4e8e\u672a\u80fd\u6b63\u786e\u5904\u7406\u5e76\u53d1\u8fde\u63a5\u5bfc\u81f4\u7684\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u89e3\u51b3\u6b64\u95ee\u9898\u7684\u5efa\u8bae\uff1a<\/p>\n<p>\u4f60\u7684\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528 go func() \u51fd\u6570\u4ee5\u5e76\u53d1\u7684\u5f62\u5f0f\u8c03\u7528\u53d1\u9001\u5fc3\u8df3\u6d88\u606f\u7684\u533f\u540d\u51fd\u6570\u3002\u8fd9\u610f\u5473\u7740\u8be5\u51fd\u6570\u4f1a\u5728\u4e00\u4e2a\u72ec\u7acb goroutine \u4e2d\u8fd0\u884c\uff0c\u540c\u65f6 websocket \u8fde\u63a5\u4e5f\u5728\u53e6\u4e00\u4e2a goroutine \u4e2d\u8fd0\u884c\u3002\u8fd9\u4e24\u4e2a goroutine \u53ef\u80fd\u4ee5\u4e0d\u540c\u7684\u901f\u5ea6\u6267\u884c\uff0c\u5bfc\u81f4\u53d1\u9001\u5fc3\u8df3\u6d88\u606f\u4e0d\u53ca\u65f6\uff0c\u4ece\u800c\u5bfc\u81f4\u8fde\u63a5\u65ad\u5f00\u3002<\/p>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u4e00\u4e2a\u5e26\u6709\u9501\uff08sync.mutex \u6216 sync.rwmutex\uff09\u7684\u5355\u4e00 goroutine \u6765\u5904\u7406\u6240\u6709 websocket \u8fde\u63a5\u3002<\/li>\n<li>\u4f7f\u7528\u901a\u9053\u6765\u5728 goroutine \u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u91cc\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u6f14\u793a\u4e86\u4f7f\u7528\u901a\u9053\u6765\u5904\u7406 websocket \u8fde\u63a5\uff1a<\/p>\n<pre>type Device struct {\n    online bool\n    ws     *websocket.Conn\n    msgCh  chan string\n}\n\nfunc DeviceRequestProc(ws *websocket.Conn) {\n    defer ws.Close()\n    defer ws.Request().Body.Close()\n\n    _ = ws.Request().ParseForm()\n    mac := ws.Request().Form.Get(\"id\")\n\n    log.Println(\"\u8bbe\u5907\", ws.Request().RemoteAddr, \"[\", mac, \"] websocket \u8fde\u63a5\u5efa\u7acb\")\n\n    dev := devInfo.getDeviceByMac(mac)\n    if dev == nil {\n        _ = websocket.Message.Send(ws, \"\u672a\u627e\u5230\u5bf9\u5e94\u8bbe\u5907\u914d\u7f6e\")\n        log.Println(\"\u8bbe\u5907\", ws.Request().RemoteAddr, \"[\", mac, \"] websocket \u8fde\u63a5\u672a\u627e\u5230\u5bf9\u5e94\u8bbe\u5907\")\n        return\n    }\n\n    dev.online = true\n    dev.ws = ws\n    dev.msgCh = make(chan string)\n\n    go dev.WSCheck()\n    go dev.ProcessWSMsg()\n\n    for {\n        select {\n        case msg := &lt;-dev.msgCh:\n            if err := websocket.Message.Send(ws, msg); err != nil {\n                break\n            }\n        }\n    }\n\n    dev.online = false\n    dev.ws = nil\n    log.Println(\"\u8bbe\u5907\", ws.Request().RemoteAddr, \"[\", ws.Request().Form.Get(\"id\"), \"] websocket \u8fde\u63a5\u65ad\u5f00\")\n}\n\nfunc (d *Device) WSCheck() {\n    for d.online {\n        d.msgCh &lt;- fmt.Sprintf(`{\"eventType\":\"sundyn_ws_check\",\"time\":\"%s\"}`, time.Now().Format(\"2006-01-02 15:04:05\"))\n        time.Sleep(time.Second * 20)\n    }\n}\n\nfunc (d *Device) ProcessWSMsg() {\n    for {\n        if !d.online {\n            return\n        }\n\n        \/\/ \u6b64\u5904\u963b\u585e\uff0c\u7b49\u5f85\u6709\u6570\u636e\u53ef\u8bfb\n        var reply string\n        if err := websocket.Message.Receive(d.ws, &amp;reply); err != nil {\n            break\n        }\n\n        d.ProcessWSMsg(reply)\n    }\n}<\/pre>\n<p>\u901a\u8fc7\u4f7f\u7528\u901a\u9053\u6765\u901a\u4fe1\uff0c\u4e24\u4e2a goroutine \u53ef\u4ee5\u6709\u5e8f\u5730\u4ea4\u6362\u6d88\u606f\uff0c\u4ece\u800c\u786e\u4fdd\u53d1\u9001\u5fc3\u8df3\u6d88\u606f\u53ca\u65f6\u4e14\u53ef\u9760\u3002<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300aGo \u8bed\u8a00\u4e2d WebSocket \u591a\u8fde\u63a5\u9891\u7e41\u65ad\u5f00\uff0c\u5982\u4f55\u89e3\u51b3\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8eGOLANG\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   Spring Boot \u96c6\u6210 Druid \u540e\uff0c\u8bbf\u95ee\u76d1\u63a7\u754c\u9762\u5374\u62a5404\uff0c\u600e\u4e48\u529e\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   React \u4e2d\u7684\u6570\u636e\u83b7\u53d6\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00&#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-205995","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205995","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=205995"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205995\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205995"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205995"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}