{"id":121771,"date":"2026-11-03T17:40:50","date_gmt":"2026-11-03T09:40:50","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/121771.html"},"modified":"2026-11-03T17:40:50","modified_gmt":"2026-11-03T09:40:50","slug":"websocket-%e5%81%87%e6%ad%bb%e4%b8%8e%e6%96%ad%e8%bf%9e%e7%9a%84%e9%95%bf%e8%bf%9e%e6%8e%a5%e4%bf%9d%e6%b4%bb%e4%b8%8e%e9%87%8d%e8%bf%9e%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/121771.html","title":{"rendered":"WebSocket \u5047\u6b7b\u4e0e\u65ad\u8fde\u7684\u957f\u8fde\u63a5\u4fdd\u6d3b\u4e0e\u91cd\u8fde\u673a\u5236"},"content":{"rendered":"

\u5728\u5f00\u53d1\u5373\u65f6\u901a\u8baf\u6a21\u5757\u65f6，\u6700\u8ba9\u4eba\u6293\u72c2\u7684\u4e0d\u662f\u6d88\u606f\u6536\u53d1\u5199\u9519，\u800c\u662f\u7f51\u7edc\u7a0d\u5fae\u4e00\u6ce2\u52a8，\u6bd4\u5982\u4ece Wi-Fi \u5207\u5230 5G，\u6216\u8005\u8fdb\u5165\u7535\u68af\u518d\u51fa\u6765，WebSocket \u5c31\u5f7b\u5e95\u6ca1\u58f0\u4e86\u3002\u8868\u9762\u4e0a\u770b\u8fde\u63a5\u8fd8\u5728，\u5b9e\u9645\u4e0a\u5e95\u5c42\u65e9\u5c31\u65ad\u4e86，\u8fd9\u5c31\u662f\u5178\u578b\u7684\u201c\u5047\u6b7b\u201d\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898，\u8fd9\u5468\u6211\u5bf9 @ohos.net.webSocket \u7684\u5c01\u88c5\u8fdb\u884c\u4e86\u5f7b\u5e95\u7684\u91cd\u6784\u3002<\/p>\n

\u57fa\u7840\u8fde\u63a5\u4e0e\u5fc3\u8df3\u5305\u7684\u8bbe\u8ba1<\/p>\n

\u539f\u751f API \u7684\u4f7f\u7528\u975e\u5e38\u7b80\u5355，\u4f46\u5982\u679c\u6ca1\u6709\u5fc3\u8df3\u673a\u5236，\u8fde\u63a5\u6ce8\u5b9a\u77ed\u547d\u3002<\/p>\n

import webSocket from '@ohos.net.webSocket';<\/p>\n

let ws = webSocket.createWebSocket();<\/p>\n

ws.on('open', () => {
\n console.info('\u8fde\u63a5\u5df2\u5efa\u7acb');
\n startHeartbeat();
\n});<\/p>\n

ws.on('message', (err, value) => {
\n \/\/ \u6536\u5230\u4e1a\u52a1\u6d88\u606f，\u91cd\u7f6e\u5fc3\u8df3
\n resetHeartbeat();
\n});<\/p>\n

\u6ce8\u610f：\u5f88\u591a\u5f00\u53d1\u8005\u4f1a\u5728 open \u56de\u8c03\u91cc\u75af\u72c2\u5730\u53d1\u9001\u79ef\u538b\u7684\u79bb\u7ebf\u6d88\u606f，\u8fd9\u662f\u6781\u5176\u5371\u9669\u7684\u64cd\u4f5c\u3002\u5728\u5f31\u7f51\u73af\u5883\u4e0b，\u5927\u91cf\u7684\u5e76\u53d1\u53d1\u9001\u4f1a\u5bfc\u81f4\u5e95\u5c42\u7f13\u51b2\u533a\u963b\u585e，\u76f4\u63a5\u5f15\u53d1\u8fde\u63a5\u8d85\u65f6\u65ad\u5f00\u3002\u5fc5\u987b\u52a0\u5165\u53d1\u9001\u961f\u5217，\u63a7\u5236\u5e76\u53d1\u3002<\/p>\n

\u6307\u6570\u9000\u907f\u91cd\u8fde\u7b97\u6cd5<\/p>\n

\u5f53\u8fde\u63a5\u56e0\u7f51\u7edc\u539f\u56e0\u65ad\u5f00\u65f6，\u6700\u5fcc\u8bb3\u7684\u5c31\u662f\u5199\u4e00\u4e2a\u6b7b\u5faa\u73af，\u6bcf\u79d2\u75af\u72c2\u53d1\u8d77\u91cd\u8fde\u3002\u8fd9\u4f1a\u628a\u624b\u673a\u7535\u91cf\u77ac\u95f4\u62bd\u5e72，\u751a\u81f3\u88ab\u7cfb\u7edf\u5224\u5b9a\u4e3a\u6076\u610f\u5e94\u7528\u3002<\/p>\n

\u6211\u4eec\u91c7\u7528\u4e86\u7ecf\u5178\u7684\u201c\u6307\u6570\u9000\u907f（Exponential Backoff）\u201d\u7b97\u6cd5，\u5e76\u52a0\u5165\u968f\u673a\u56e0\u5b50，\u9632\u6b62\u591a\u53f0\u8bbe\u5907\u540c\u65f6\u6062\u590d\u7f51\u7edc\u5bfc\u81f4\u7684\u670d\u52a1\u5668\u96ea\u5d29\u3002<\/p>\n

let reconnectAttempts = 0; const MAX_RECONNECT = 10; function reconnect() { if (reconnectAttempts >= MAX_RECONNECT) { \/\/ \u8b66\u793a：\u8fbe\u5230\u4e0a\u9650，\u5fc5\u987b\u7ed9\u7528\u6237 UI \u63d0\u793a，\u5207\u52ff\u65e0\u9650\u91cd\u8bd5 showNetworkErrorToast(); return; } \/\/ 1.5 \u7684\u6307\u6570\u589e\u957f，\u52a0\u4e0a 0-1000ms \u7684\u968f\u673a\u6296\u52a8 const delay = Math.min(30000, Math.pow(1.5, reconnectAttempts) * 1000) + Math.random() * 1000; setTimeout(() => { reconnectAttempts++; ws.connect(url); \/\/ \u91cd\u65b0\u53d1\u8d77\u8fde\u63a5 }, delay); }<\/p>\n

\u7ed3\u5408\u7cfb\u7edf\u7f51\u7edc\u72b6\u6001\u76d1\u542c<\/p>\n

\u4f9d\u8d56 Socket \u81ea\u8eab\u7684\u62a5\u9519\u662f\u88ab\u52a8\u7684，\u6700\u4f18\u96c5\u7684\u65b9\u6848\u662f\u4e3b\u52a8\u76d1\u542c\u7cfb\u7edf\u7684\u7f51\u7edc\u72b6\u6001\u3002\u5f53\u7cfb\u7edf\u7f51\u7edc\u5b8c\u5168\u4e0d\u53ef\u7528\u65f6，\u76f4\u63a5\u6302\u8d77\u91cd\u8fde\u903b\u8f91；\u7f51\u7edc\u4e00\u6062\u590d，\u7acb\u523b\u89e6\u53d1\u3002<\/p>\n

import connection from '@ohos.net.connection'; const netConnection = connection.createNetConnection(); netConnection.on('netAvailable', (data) => { console.info('\u7f51\u7edc\u5df2\u6062\u590d，\u5f3a\u5236\u91cd\u8fde'); reconnectAttempts = 0; \/\/ \u91cd\u7f6e\u91cd\u8bd5\u6b21\u6570 if (ws) { ws.close(); \/\/ \u5f7b\u5e95\u5173\u6389\u65e7\u8fde\u63a5 ws = webSocket.createWebSocket(); ws.connect(url); } });<\/p>\n

\u8fd9\u80fd\u89e3\u51b3\u4e00\u4e2a\u6781\u5176\u9690\u853d\u7684\u573a\u666f：\u7528\u6237\u5728\u6ca1\u6709\u4fe1\u53f7\u7684\u7535\u68af\u91cc\u5f85\u4e86\u5341\u5206\u949f，\u6b64\u65f6\u4f60\u53d1\u8d77\u7684\u4efb\u4f55\u91cd\u8fde\u90fd\u4f1a\u77ac\u95f4\u5931\u8d25\u5e76\u6d88\u8017\u91cd\u8bd5\u6b21\u6570\u3002\u53ea\u6709\u4f9d\u9760\u7cfb\u7edf\u7ea7\u56de\u8c03，\u624d\u80fd\u505a\u5230\u771f\u6b63\u7684\u201c\u79d2\u6062\u590d\u201d\u3002<\/p>\n

\u540e\u53f0\u4fdd\u6d3b\u7684\u53d6\u820d<\/p>\n

\u7528\u6237\u5207\u6362\u5230\u684c\u9762，WebSocket \u4f1a\u9010\u6e10\u88ab\u7cfb\u7edf\u51bb\u7ed3\u3002\u8981\u4fdd\u6301\u540e\u53f0\u6536\u6d88\u606f，\u5fc5\u987b\u7533\u8bf7\u957f\u65f6\u4efb\u52a1\u3002\u4f46\u6ce8\u610f，\u7cfb\u7edf\u5141\u8bb8\u7684 BackgroundMode \u91cc\u5e76\u6ca1\u6709\u4e13\u95e8\u9488\u5bf9 WebSocket \u7684，\u5982\u679c\u5f3a\u884c\u7528\u5176\u4ed6\u6a21\u5f0f（\u5982 dataTransfer）\u4fdd\u6d3b，\u6781\u6613\u5728\u63d0\u5ba1\u65f6\u88ab\u62d2\u3002<\/p>\n

\u76ee\u524d\u7684\u5408\u89c4\u89e3\u6cd5\u662f：\u540e\u53f0\u7acb\u5373\u65ad\u5f00 WebSocket，\u4f9d\u9760\u534e\u4e3a\u7684 Push Kit \u63a8\u9001\u6765\u5524\u9192\u5e94\u7528，\u7b49\u7528\u6237\u5207\u56de\u524d\u53f0\u65f6，\u518d\u7528 netAvailable \u7684\u903b\u8f91\u77ac\u95f4\u91cd\u8fde\u3002<\/p>\n

\u4f7f\u7528\u6293\u5305\u5de5\u5177（\u5982 Charles），\u9650\u5236\u4f60\u7684\u624b\u673a\u7f51\u7edc\u5e26\u5bbd，\u5e76\u6a21\u62df 90% \u7684\u4e22\u5305\u7387\u3002\u5728\u8fd9\u4e2a\u6781\u7aef\u5f31\u7f51\u73af\u5883\u4e0b，\u6d4b\u8bd5\u4f60\u7684\u91cd\u8fde\u673a\u5236\u3002\u5982\u679c\u4f60\u80fd\u4fdd\u8bc1\u5728\u6062\u590d\u7f51\u7edc\u540e\u7684 3 \u79d2\u5185\u91cd\u65b0\u8fde\u4e0a，\u4e14\u6ca1\u6709\u5f15\u53d1\u5185\u5b58\u6ea2\u51fa，\u8fd9\u5957\u957f\u8fde\u63a5\u624d\u7b97\u53ca\u683c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5728\u5f00\u53d1\u5373\u65f6\u901a\u8baf\u6a21\u5757\u65f6，\u6700\u8ba9\u4eba\u6293\u72c2\u7684\u4e0d\u662f\u6d88\u606f\u6536\u53d1\u5199\u9519，\u800c\u662f\u7f51\u7edc\u7a0d\u5fae\u4e00\u6ce2\u52a8，\u6bd4\u5982\u4ece Wi-Fi \u5207\u5230 5G，\u6216\u8005\u8fdb\u5165\u7535\u68af\u518d\u51fa\u6765，WebSocket \u5c31\u5f7b\u5e95\u6ca1\u58f0\u4e86\u3002\u8868\u9762\u4e0a\u770b\u8fde\u63a5\u8fd8\u5728，\u5b9e\u9645\u4e0a\u5e95\u5c42\u65e9\u5c31\u65ad\u4e86，\u8fd9\u5c31\u662f\u5178\u578b\u7684\u201c\u5047\u6b7b\u201d\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898，\u8fd9\u5468\u6211\u5bf9 ohos.net.webSocket \u7684\u5c01\u88c5\u8fdb\u884c\u4e86\u5f7b\u5e95\u7684\u91cd\u6784\u3002\u57fa\u7840\u8fde\u63a5\u4e0e\u5fc3\u8df3\u5305\u7684\u8bbe\u8ba1\u539f\u751f API \u7684\u4f7f\u7528\u975e\u5e38\u7b80\u5355&#xff<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topic":[],"class_list":["post-121771","post","type-post","status-publish","format-standard","hentry","category-server"],"yoast_head":"\nWebSocket \u5047\u6b7b\u4e0e\u65ad\u8fde\u7684\u957f\u8fde\u63a5\u4fdd\u6d3b\u4e0e\u91cd\u8fde\u673a\u5236 - 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