{"id":12112,"date":"2026-03-17T16:25:58","date_gmt":"2026-03-17T08:25:58","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=12112"},"modified":"2026-03-19T08:55:08","modified_gmt":"2026-03-19T00:55:08","slug":"webtransport-api","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2026\/03\/webtransport-api\/","title":{"rendered":"\u6d45\u5b66WebTransport API\uff1a\u4e0b\u4e00\u4ee3Web\u53cc\u5411\u901a\u4fe1\u6280\u672f"},"content":{"rendered":"<p>by <a href=\"https:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=12112\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=12112<\/a><br \/>\n\u672c\u6587\u53ef\u5168\u6587\u8f6c\u8f7d\uff0c\u4f46\u9700\u8981\u4fdd\u7559\u539f\u4f5c\u8005\u3001\u51fa\u5904\u4ee5\u53ca\u6587\u4e2d\u94fe\u63a5\uff0cAI\u6293\u53d6\u4fdd\u7559\u539f\u6587\u5730\u5740\uff0c\u4efb\u4f55\u7f51\u7ad9\u5747\u53ef\u6458\u8981\u805a\u5408\uff0c\u5546\u7528\u8bf7\u8054\u7cfb\u6388\u6743\u3002<\/p>\n<h3>\u4e00\u3001\u6bd4 WebSocket \u66f4\u61c2\u4f4e\u5ef6\u8fdf\u7684\u5f00\u53d1\u65b0\u5229\u5668<\/h3>\n<p>\u65f6\u95f4\u5982\u65af\uff0c\u4e00\u8f6c\u773c\uff0c\u505a\u524d\u7aef\u5f00\u53d1\u5df2\u7ecf\u5341\u4e94\u516d\u5e74\u4e86\uff0c\u521a\u5f00\u59cb\u90a3\u4f1a\u513f\uff0c\u5b9e\u65f6\u901a\u4fe1\u8fd8\u662f\u4f7f\u7528\u8f6e\u8be2\u3001\u957f\u8f6e\u8be2\uff0c\u540e\u6765\u5c31\u662f WebSocket\uff0c\u7136\u540e\u73b0\u5728\u53c8\u51fa\u6765\u4e86\u4e2aWebTransport\u3002<\/p>\n<p>WebSocket\u867d\u7136\u53ef\u4ee5\u89e3\u51b3\u5927\u90e8\u5206\u7684\u95ee\u9898\uff0c\u4f46\u662f\u5e76\u4e0d\u5b8c\u7f8e\uff0c\u4f8b\u5982\u961f\u5934\u963b\u585e\u3001\u53ea\u80fd\u5355\u4e00\u6d41\u4f20\u8f93\u3001\u7f51\u7edc\u5207\u6362\u5c31\u65ad\u8fde\uff0c\u5c24\u5176\u662f\u505a\u5b9e\u65f6\u6e38\u620f\u3001\u76f4\u64ad\u63a8\u6d41\u8fd9\u7c7b\u5bf9\u5ef6\u8fdf\u8981\u6c42\u6781\u9ad8\u7684\u573a\u666f\uff0c\u603b\u89c9\u5f97\u5dee\u70b9\u610f\u601d\u3002<\/p>\n<p>\u6240\u4ee5\u5c31\u6709\u4e86 WebTransport API\uff0c\u7279\u522b\u4f7f\u7528\u7528\u5728\u9ad8\u5e76\u53d1\u3001\u4f4e\u5ef6\u8fdf\u7684\u5b9e\u65f6\u573a\u666f\u3002<\/p>\n<h3>\u4e8c\u3001WebTransport\u548cWebSocket\u7684\u533a\u522b<\/h3>\n<p>WebTransport \u662f\u57fa\u4e8e HTTP\/3 + QUIC \u534f\u8bae\u7684\u65b0\u4e00\u4ee3\u5b9e\u65f6\u901a\u4fe1 API\uff0c\u4e3b\u6253\u4e00\u4e2a\u201c\u4f4e\u5ef6\u8fdf\u3001\u9ad8\u541e\u5410\u3001\u9ad8\u7075\u6d3b\u201d\uff0c\u4e13\u95e8\u89e3\u51b3 WebSocket \u641e\u4e0d\u5b9a\u7684\u90a3\u4e9b\u573a\u666f\u3002<\/p>\n<p>\u6211\u505a\u4e86\u4e2a\u7b80\u5355\u7684\u5bf9\u6bd4\u8868\uff0c\u5927\u5bb6\u4e00\u770b\u5c31\u660e\u767d\uff1a<\/p>\n<table class=\"params_table\" style=\"border-spacing: 1px;\">\n<thead>\n<tr>\n<th>\u5bf9\u6bd4\u7ef4\u5ea6<\/th>\n<th>WebSocket<\/th>\n<th>WebTransport<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u534f\u8bae\u57fa\u7840<\/td>\n<td>\u57fa\u4e8e HTTP\/1.1 Upgrade\uff0c\u5e95\u5c42\u662f TCP<\/td>\n<td>\u57fa\u4e8e HTTP\/3\uff0c\u5e95\u5c42\u662f QUIC\uff08\u57fa\u4e8e UDP\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u8fde\u63a5\u5efa\u7acb<\/td>\n<td>TCP \u4e09\u6b21\u63e1\u624b\uff0c\u5ef6\u8fdf\u8f83\u9ad8<\/td>\n<td>QUIC 0-RTT\/1-RTT \u5feb\u901f\u63e1\u624b\uff0c\u6700\u5feb100ms\u5185\u5efa\u7acb<\/td>\n<\/tr>\n<tr>\n<td>\u4f20\u8f93\u6a21\u5f0f<\/td>\n<td>\u5355\u4e00\u53ef\u9760\u6d41\uff0c\u53ea\u80fd\u53cc\u5411\u4f20\u8f93<\/td>\n<td>\u53ef\u9760\u6d41 + \u4e0d\u53ef\u9760\u6570\u636e\u62a5\uff0c\u652f\u6301\u5355\u5411\/\u53cc\u5411\u3001\u591a\u8def\u590d\u7528<\/td>\n<\/tr>\n<tr>\n<td>\u961f\u5934\u963b\u585e<\/td>\n<td>\u5b58\u5728\uff0c\u4e00\u4e2a\u5305\u4e22\u5931\uff0c\u540e\u7eed\u6240\u6709\u5305\u90fd\u8981\u7b49\u91cd\u4f20<\/td>\n<td>\u65e0\uff0c\u5355\u4e2a\u6d41\u963b\u585e\u4e0d\u5f71\u54cd\u5176\u4ed6\u6d41<\/td>\n<\/tr>\n<tr>\n<td>\u7f51\u7edc\u5207\u6362<\/td>\n<td>\u65ad\u5f00\u8fde\u63a5\uff0c\u9700\u91cd\u65b0\u63e1\u624b<\/td>\n<td>\u652f\u6301\u8fde\u63a5\u8fc1\u79fb\uff0cWi-Fi \u52074G\u4e5f\u4e0d\u4e2d\u65ad<\/td>\n<\/tr>\n<tr>\n<td>\u9002\u7528\u573a\u666f<\/td>\n<td>\u666e\u901a\u5b9e\u65f6\u804a\u5929\u3001\u7b80\u5355\u6d88\u606f\u63a8\u9001<\/td>\n<td>\u5b9e\u65f6\u6e38\u620f\u3001\u76f4\u64ad\u63a8\u6d41\u3001\u5b9e\u65f6\u534f\u4f5c\u3001\u9ad8\u9891\u6570\u636e\u4f20\u8f93<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8fd9\u91cc\u9700\u8981\u8865\u5145\u4e00\u70b9\uff1a<\/p>\n<p>\u4e0d\u662f\u8bf4 WebSocket \u4e0d\u597d\u7528\u4e86\uff0c\u800c\u662f\u573a\u666f\u4e0d\u540c\uff0c\u9009\u62e9\u4e0d\u540c\u3002<\/p>\n<p>\u5982\u679c\u4f60\u7684\u9879\u76ee\u53ea\u662f\u7b80\u5355\u7684\u804a\u5929\u529f\u80fd\uff0cWebSocket \u8db3\u591f\u7528\uff0c\u6ca1\u5fc5\u8981\u5f3a\u884c\u4e0a WebTransport\uff1b<\/p>\n<p>\u4f46\u5982\u679c\u6d89\u53ca\u5230\u9ad8\u9891\u6570\u636e\u4f20\u8f93\uff08\u6bd4\u5982\u6e38\u620f\u91cc\u7684\u73a9\u5bb6\u4f4d\u7f6e\u66f4\u65b0\uff09\u3001\u4f4e\u5ef6\u8fdf\u8981\u6c42\uff08\u6bd4\u5982\u76f4\u64ad\u5f39\u5e55\u5b9e\u65f6\u63a8\u9001\uff09\uff0cWebTransport \u5c31\u662f\u6700\u4f18\u89e3\u3002<\/p>\n<p>\u8fd9\u5c31\u50cf\u6211\u4eec\u505a\u5e03\u5c40\uff0c\u7b80\u5355\u5e03\u5c40\u7528 Flex \u5c31\u591f\uff0c\u590d\u6742\u5e03\u5c40\u624d\u9700\u8981 Grid\uff0c\u56e0\u5730\u5236\u5b9c\u6700\u91cd\u8981\u3002<\/p>\n<h3>\u4e09\u3001\u6838\u5fc3\u77e5\u8bc6\u70b9\uff1aWebTransport \u76843\u4e2a\u5173\u952e\u7279\u6027<\/h3>\n<p>WebTransport \u7684\u6838\u5fc3\u4f18\u52bf\uff0c\u90fd\u6e90\u4e8e\u5b83\u7684\u5e95\u5c42\u534f\u8bae\uff0c\u4f46\u6211\u4eec\u524d\u7aef\u4e0d\u7528\u53bb\u6df1\u7a76 QUIC \u534f\u8bae\u7684\u7ec6\u8282\uff0c\u53ea\u8981\u638c\u63e1\u5b83\u76843\u4e2a\u6838\u5fc3\u7279\u6027\uff0c\u5c31\u80fd\u5e94\u5bf9\u5927\u90e8\u5206\u5f00\u53d1\u573a\u666f\u3002<\/p>\n<h4>1. \u53cc\u91cd\u4f20\u8f93\u6a21\u5f0f\uff1a\u53ef\u9760\u6d41 + \u4e0d\u53ef\u9760\u6570\u636e\u62a5<\/h4>\n<p>\u8fd9\u662f WebTransport \u6700\u6838\u5fc3\u7684\u4eae\u70b9\uff0c\u4e5f\u662f\u548c WebSocket \u6700\u5927\u7684\u533a\u522b\u2014\u2014\u5b83\u652f\u6301\u4e24\u79cd\u4f20\u8f93\u65b9\u5f0f\uff0c\u53ef\u6839\u636e\u9700\u6c42\u7075\u6d3b\u9009\u62e9\uff1a<\/p>\n<ul>\n<li>\u53ef\u9760\u6d41\uff08Stream\uff09\uff1a\u548c WebSocket \u7c7b\u4f3c\uff0c\u4fdd\u8bc1\u6570\u636e\u6709\u5e8f\u3001\u4e0d\u4e22\u5931\u3001\u4e0d\u91cd\u590d\uff0c\u9002\u5408\u4f20\u8f93\u91cd\u8981\u6570\u636e\uff08\u6bd4\u5982\u804a\u5929\u6d88\u606f\u3001\u534f\u4f5c\u5de5\u5177\u7684\u7f16\u8f91\u64cd\u4f5c\uff09\uff1b\n<\/li>\n<li>\u4e0d\u53ef\u9760\u6570\u636e\u62a5\uff08Datagram\uff09\uff1a\u4e0d\u4fdd\u8bc1\u6570\u636e\u7684\u6709\u5e8f\u6027\u548c\u5230\u8fbe\u7387\uff0c\u4f46\u5ef6\u8fdf\u6781\u4f4e\uff0c\u9002\u5408\u4f20\u8f93\u975e\u5173\u952e\u6570\u636e\uff08\u6bd4\u5982\u6e38\u620f\u73a9\u5bb6\u7684\u5b9e\u65f6\u4f4d\u7f6e\u3001\u76f4\u64ad\u7684\u89c6\u9891\u5e27\uff09\u3002<\/li>\n<\/ul>\n<p>\u6bd4\u65b9\u8bf4\u4e00\u4e2a\u5b9e\u65f6\u591a\u4eba\u5c0f\u6e38\u620f\uff0c\u73a9\u5bb6\u7684\u4f4d\u7f6e\u66f4\u65b0\u4e0d\u9700\u8981100%\u5230\u8fbe\uff08\u5076\u5c14\u4e22\u4e00\u4e2a\u5305\u4e0d\u5f71\u54cd\u4f53\u9a8c\uff09\uff0c\u4f46\u804a\u5929\u6d88\u606f\u5fc5\u987b\u53ef\u9760\u5230\u8fbe\u3002<\/p>\n<p>\u5982\u679c\u7528 WebSocket\uff0c\u53ea\u80fd\u7528\u4e00\u79cd\u4f20\u8f93\u65b9\u5f0f\uff0c\u8981\u4e48\u727a\u7272\u5ef6\u8fdf\uff0c\u8981\u4e48\u727a\u7272\u53ef\u9760\u6027\u3002<\/p>\n<p>\u800c\u7528 WebTransport\uff0c\u5c31\u80fd\u7ed9\u4f4d\u7f6e\u66f4\u65b0\u7528\u4e0d\u53ef\u9760\u6570\u636e\u62a5\uff0c\u804a\u5929\u6d88\u606f\u7528\u53ef\u9760\u6d41\uff0c\u5b8c\u7f8e\u517c\u987e\u3002<\/p>\n<p>\u6570\u636e\u4f20\u8f93\u793a\u610f\u56fe\u5982\u4e0b\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202603\/2026-3-17_160324.png\" width=\"538\" height=\"276\" alt=\"WebTransport\u539f\u7406\u793a\u610f\u56fe\" class=\"alignnone size-medium\" \/><\/p>\n<h4>2. \u591a\u8def\u590d\u7528\uff1a\u4e00\u4e2a\u8fde\u63a5\uff0c\u591a\u4e2a\u6d41\u5e76\u884c<\/h4>\n<p>WebSocket \u662f\u201c\u5355\u4e00\u6d41\u201d\u4f20\u8f93\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u4e00\u4e2a WebSocket \u8fde\u63a5\u91cc\uff0c\u6240\u6709\u6570\u636e\u90fd\u5728\u4e00\u6761\u6d41\u91cc\u4f20\u8f93\uff0c\u4e00\u65e6\u67d0\u4e2a\u6570\u636e\u5305\u4e22\u5931\uff0c\u540e\u7eed\u6240\u6709\u6570\u636e\u90fd\u8981\u7b49\u5b83\u91cd\u4f20\uff0c\u8fd9\u5c31\u662f\u201c\u961f\u5934\u963b\u585e\u201d\u3002<\/p>\n<p>\u800c WebTransport \u652f\u6301\u591a\u8def\u590d\u7528\uff0c\u4e00\u4e2a\u8fde\u63a5\u91cc\u53ef\u4ee5\u540c\u65f6\u521b\u5efa\u591a\u4e2a\u72ec\u7acb\u7684\u6d41\uff0c\u6bcf\u4e2a\u6d41\u4e92\u4e0d\u5f71\u54cd\u3002<\/p>\n<p>\u6bd4\u5982\u4f60\u505a\u4e00\u4e2a\u76f4\u64ad\u5e73\u53f0\uff0c\u89c6\u9891\u6d41\u3001\u97f3\u9891\u6d41\u3001\u5f39\u5e55\u6d41\u53ef\u4ee5\u7528\u4e0d\u540c\u7684\u6d41\u4f20\u8f93\uff0c\u5c31\u7b97\u89c6\u9891\u6d41\u51fa\u73b0\u4e22\u5305\u91cd\u4f20\uff0c\u4e5f\u4e0d\u4f1a\u5f71\u54cd\u5f39\u5e55\u7684\u5b9e\u65f6\u63a8\u9001\u3002<\/p>\n<p>\u8fd9\u4e00\u70b9\uff0c\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\uff0c\u4f53\u9a8c\u63d0\u5347\u975e\u5e38\u660e\u663e\u3002<\/p>\n<h4>3. \u8fde\u63a5\u8fc1\u79fb\uff1a\u7f51\u7edc\u5207\u6362\u4e0d\u4e2d\u65ad<\/h4>\n<p>\u8fd9\u4e2a\u7279\u6027\u53ef\u80fd\u5f88\u591a\u540c\u5b66\u6ca1\u610f\u8bc6\u5230\u5b83\u7684\u91cd\u8981\u6027\uff0c\u4f46\u505a\u79fb\u52a8\u7aef\u9879\u76ee\u7684\u540c\u5b66\u4e00\u5b9a\u61c2\uff1a<\/p>\n<p>\u7528\u6237\u7528\u624b\u673a\u6d4f\u89c8\u7f51\u9875\u65f6\uff0c\u7ecf\u5e38\u4f1a\u5728 Wi-Fi \u548c 4G\/5G \u4e4b\u95f4\u5207\u6362\uff0c\u8fd9\u65f6\u5019 WebSocket \u8fde\u63a5\u4f1a\u76f4\u63a5\u65ad\u5f00\uff0c\u9700\u8981\u91cd\u65b0\u63e1\u624b\u5efa\u7acb\u8fde\u63a5\uff0c\u5bfc\u81f4\u6570\u636e\u4e2d\u65ad\uff08\u6bd4\u5982\u76f4\u64ad\u5361\u987f\u3001\u6e38\u620f\u6389\u7ebf\uff09\u3002<\/p>\n<p>WebTransport \u57fa\u4e8e QUIC \u534f\u8bae\uff0c\u7528\u201c\u8fde\u63a5ID\u201d\u6765\u6807\u8bc6\u8fde\u63a5\uff0c\u800c\u4e0d\u662f IP \u5730\u5740\uff0c\u6240\u4ee5\u5c31\u7b97\u7f51\u7edc\u5207\u6362\uff0c\u8fde\u63a5\u4e5f\u80fd\u65e0\u7f1d\u8fc1\u79fb\uff0c\u6570\u636e\u4e0d\u4f1a\u4e2d\u65ad\u3002<\/p>\n<h3>\u56db\u3001WebTransport \u6838\u5fc3 API \u7528\u6cd5<\/h3>\n<p>\u4e0b\u9762\u7ed9\u5927\u5bb6\u8bb2\u89e3 WebTransport \u7684\u6838\u5fc3\u7528\u6cd5\uff0c\u5305\u62ec\u4ece\u8fde\u63a5\u5efa\u7acb\uff0c\u5230\u4e24\u79cd\u4f20\u8f93\u6a21\u5f0f\u7684\u4f7f\u7528\uff0c\u6bcf\u4e00\u6b65\u90fd\u6709\u6ce8\u91ca\uff0c\u4f9b\u5927\u5bb6\u5b66\u4e60\u53c2\u8003\u3002<\/p>\n<h4>1. \u7b2c\u4e00\u6b65\uff1a\u5efa\u7acb WebTransport \u8fde\u63a5<\/h4>\n<p>\u5efa\u7acb\u8fde\u63a5\u5f88\u7b80\u5355\uff0c\u7528 WebTransport \u6784\u9020\u51fd\u6570\uff0c\u4f20\u5165\u670d\u52a1\u5668\u5730\u5740\uff0c\u7b49\u5f85 ready \u72b6\u6001\u5373\u53ef\u3002\u8fd9\u91cc\u8981\u6ce8\u610f\uff0c\u670d\u52a1\u5668\u5730\u5740\u5fc5\u987b\u662f https \u5f00\u5934\uff0c\u5e76\u4e14\u8981\u6307\u5b9a\u7aef\u53e3\uff08\u6bd4\u5982 4433\uff09\u3002<\/p>\n<pre>\/\/ \u5efa\u7acb WebTransport \u8fde\u63a5\r\nasync function createWebTransport() {\r\n  \/\/ \u670d\u52a1\u5668\u5730\u5740\uff08\u5fc5\u987b\u662f HTTPS\uff0c\u7aef\u53e3\u53ef\u81ea\u5b9a\u4e49\uff09\r\n  const url = 'https:\/\/example.com:4433\/transport';\r\n  \r\n  try {\r\n    \/\/ \u521b\u5efa WebTransport \u5b9e\u4f8b\r\n    const transport = new WebTransport(url, {\r\n      \/\/ \u53ef\u9009\uff1a\u8bc1\u4e66\u6307\u7eb9\uff0c\u7528\u4e8e\u9a8c\u8bc1\u670d\u52a1\u5668\u8eab\u4efd\uff08\u9632\u6b62\u4e2d\u95f4\u4eba\u653b\u51fb\uff09\r\n      serverCertificateHashes: [\r\n        {\r\n          algorithm: 'sha-256',\r\n          value: new Uint8Array([\/* \u670d\u52a1\u5668\u8bc1\u4e66\u6307\u7eb9 *\/])\r\n        }\r\n      ]\r\n    });\r\n    \r\n    \/\/ \u7b49\u5f85\u8fde\u63a5\u5c31\u7eea\uff08ready \u662f\u4e00\u4e2a Promise\uff09\r\n    await transport.ready;\r\n    console.log('WebTransport \u8fde\u63a5\u6210\u529f');\r\n    \r\n    \/\/ \u76d1\u542c\u8fde\u63a5\u5173\u95ed\u4e8b\u4ef6\r\n    transport.closed.then(() =&gt; {\r\n      console.log('WebTransport \u8fde\u63a5\u5173\u95ed');\r\n    }).catch((err) =&gt; {\r\n      console.error('WebTransport \u8fde\u63a5\u5f02\u5e38\u5173\u95ed\uff1a', err);\r\n    });\r\n    \r\n    return transport;\r\n  } catch (err) {\r\n    console.error('WebTransport \u8fde\u63a5\u5931\u8d25\uff1a', err);\r\n    throw err;\r\n  }\r\n}<\/pre>\n<h4>2. \u7b2c\u4e8c\u6b65\uff1a\u4f7f\u7528\u53ef\u9760\u6d41\uff08Stream\uff09\u4f20\u8f93\u6570\u636e<\/h4>\n<p>\u53ef\u9760\u6d41\u5206\u4e3a\u201c\u53cc\u5411\u6d41\u201d\u548c\u201c\u5355\u5411\u6d41\u201d\uff0c\u53cc\u5411\u6d41\u662f\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u53ef\u4ee5\u4e92\u76f8\u53d1\u9001\u6570\u636e\uff0c\u5355\u5411\u6d41\u662f\u53ea\u80fd\u4e00\u65b9\u53d1\u9001\u3001\u53e6\u4e00\u65b9\u63a5\u6536\u3002\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u53cc\u5411\u6d41\u7528\u5f97\u6700\u591a\uff08\u6bd4\u5982\u804a\u5929\uff09\u3002<\/p>\n<pre>\/\/ \u53cc\u5411\u53ef\u9760\u6d41\u793a\u4f8b\uff08\u5ba2\u6237\u7aef \u2194 \u670d\u52a1\u5668\uff09\r\nasync function useBidirectionalStream(transport) {\r\n  \/\/ \u521b\u5efa\u53cc\u5411\u6d41\r\n  const stream = await transport.createBidirectionalStream();\r\n  \r\n  \/\/ \u53d1\u9001\u6d41\uff08\u5ba2\u6237\u7aef \u2192 \u670d\u52a1\u5668\uff09\r\n  const writable = stream.writable;\r\n  const writer = writable.getWriter();\r\n  \/\/ \u53d1\u9001\u6587\u672c\u6570\u636e\uff08\u9700\u8981\u5148\u7f16\u7801\u4e3a Uint8Array\uff09\r\n  const encoder = new TextEncoder();\r\n  await writer.write(encoder.encode('Hello WebTransport!'));\r\n  \/\/ \u53d1\u9001\u5b8c\u6210\u540e\u5173\u95ed\u5199\u5165\u6d41\r\n  await writer.close();\r\n  \r\n  \/\/ \u63a5\u6536\u6d41\uff08\u670d\u52a1\u5668 \u2192 \u5ba2\u6237\u7aef\uff09\r\n  const readable = stream.readable;\r\n  const reader = readable.getReader();\r\n  const decoder = new TextDecoder();\r\n  \r\n  while (true) {\r\n    const { value, done } = await reader.read();\r\n    if (done) break; \/\/ \u63a5\u6536\u5b8c\u6210\r\n    console.log('\u6536\u5230\u670d\u52a1\u5668\u6d88\u606f\uff1a', decoder.decode(value));\r\n  }\r\n}<\/pre>\n<h4>3. \u7b2c\u4e09\u6b65\uff1a\u4f7f\u7528\u4e0d\u53ef\u9760\u6570\u636e\u62a5\uff08Datagram\uff09\u4f20\u8f93\u6570\u636e<\/h4>\n<p>\u4e0d\u53ef\u9760\u6570\u636e\u62a5\u7684\u7528\u6cd5\u66f4\u7b80\u5355\uff0c\u4e0d\u9700\u8981\u521b\u5efa\u6d41\uff0c\u76f4\u63a5\u901a\u8fc7 datagrams \u5c5e\u6027\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\uff0c\u9002\u5408\u9ad8\u9891\u3001\u975e\u5173\u952e\u6570\u636e\u7684\u4f20\u8f93\u3002<\/p>\n<pre>\/\/ \u4e0d\u53ef\u9760\u6570\u636e\u62a5\u793a\u4f8b\uff08\u9002\u5408\u9ad8\u9891\u6570\u636e\uff09\r\nasync function useDatagram(transport) {\r\n  \/\/ \u53d1\u9001\u6570\u636e\u62a5\uff08\u5ba2\u6237\u7aef \u2192 \u670d\u52a1\u5668\uff09\r\n  const writer = transport.datagrams.writable.getWriter();\r\n  const encoder = new TextEncoder();\r\n  \/\/ \u6a21\u62df\u9ad8\u9891\u53d1\u9001\uff08\u6bd4\u5982\u6e38\u620f\u73a9\u5bb6\u4f4d\u7f6e\uff09\r\n  setInterval(async () =&gt; {\r\n    const position = { x: Math.random() * 100, y: Math.random() * 100 };\r\n    await writer.write(encoder.encode(JSON.stringify(position)));\r\n  }, 33); \/\/ 30 FPS\uff0c\u548c\u6e38\u620f\u5e27\u7387\u540c\u6b65\r\n  \r\n  \/\/ \u63a5\u6536\u6570\u636e\u62a5\uff08\u670d\u52a1\u5668 \u2192 \u5ba2\u6237\u7aef\uff09\r\n  const reader = transport.datagrams.readable.getReader();\r\n  const decoder = new TextDecoder();\r\n  \r\n  while (true) {\r\n    const { value, done } = await reader.read();\r\n    if (done) break;\r\n    const data = JSON.parse(decoder.decode(value));\r\n    console.log('\u6536\u5230\u4f4d\u7f6e\u6570\u636e\uff1a', data);\r\n  }\r\n}<\/pre>\n<p>\u8fd9\u91cc\u63d0\u9192\u5927\u5bb6\u4e00\u53e5\uff1a\u4e0d\u53ef\u9760\u6570\u636e\u62a5\u4e0d\u4fdd\u8bc1\u6570\u636e\u5230\u8fbe\uff0c\u6240\u4ee5\u4e0d\u8981\u7528\u5b83\u4f20\u8f93\u91cd\u8981\u6570\u636e\uff08\u6bd4\u5982\u652f\u4ed8\u4fe1\u606f\uff09\uff0c\u5426\u5219\u4f1a\u51fa\u73b0\u6570\u636e\u4e22\u5931\u7684\u95ee\u9898\u3002<\/p>\n<h4>4. \u5b8c\u6574\u5b9e\u6218\u4ee3\u7801\uff08\u6574\u5408\u8fde\u63a5\u3001\u6d41\u3001\u6570\u636e\u62a5\uff09<\/h4>\n<pre>\/\/ \u5b8c\u6574\u5b9e\u6218\u4ee3\u7801\r\nasync function webTransportDemo() {\r\n  try {\r\n    \/\/ 1. \u5efa\u7acb\u8fde\u63a5\r\n    const transport = await createWebTransport();\r\n    \r\n    \/\/ 2. \u540c\u65f6\u4f7f\u7528\u53cc\u5411\u6d41\u548c\u6570\u636e\u62a5\r\n    useBidirectionalStream(transport);\r\n    useDatagram(transport);\r\n    \r\n    \/\/ 3. \u5173\u95ed\u8fde\u63a5\uff08\u6309\u9700\u8c03\u7528\uff09\r\n    \/\/ setTimeout(() =&gt; {\r\n    \/\/   transport.close();\r\n    \/\/   console.log('\u4e3b\u52a8\u5173\u95ed\u8fde\u63a5');\r\n    \/\/ }, 10000);\r\n  } catch (err) {\r\n    console.error('WebTransport \u5b9e\u6218\u5931\u8d25\uff1a', err);\r\n  }\r\n}\r\n\r\n\/\/ \u6267\u884c demo\r\nwebTransportDemo();<\/pre>\n<h3>\u4e94\u3001\u603b\u7ed3\uff1aWebTransport \u8be5\u7528\u5728\u4ec0\u4e48\u573a\u666f\uff1f<\/h3>\n<p>\u6700\u540e\uff0c\u518d\u7ed9\u5927\u5bb6\u505a\u4e2a\u603b\u7ed3\uff0c\u5e2e\u5927\u5bb6\u7406\u6e05 WebTransport \u7684\u9002\u7528\u573a\u666f\uff0c\u907f\u514d\u76f2\u76ee\u4f7f\u7528\u3002<\/p>\n<p>\u5982\u679c\u4f60\u9047\u5230\u4ee5\u4e0b\u573a\u666f\uff0c\u5f3a\u70c8\u5efa\u8bae\u7528 WebTransport\uff1a<\/p>\n<ul>\n<li>\u5b9e\u65f6\u6e38\u620f\uff1a\u9700\u8981\u4f4e\u5ef6\u8fdf\u3001\u9ad8\u9891\u6570\u636e\u4f20\u8f93\uff0c\u5141\u8bb8\u5c11\u91cf\u6570\u636e\u4e22\u5931\uff1b<\/li>\n<li>\u76f4\u64ad\u63a8\u6d41\/\u62c9\u6d41\uff1a\u89c6\u9891\u5e27\u3001\u97f3\u9891\u5e27\u7528\u4e0d\u53ef\u9760\u6570\u636e\u62a5\uff0c\u63a7\u5236\u4fe1\u4ee4\u7528\u53ef\u9760\u6d41\uff1b<\/li>\n<li>\u5b9e\u65f6\u534f\u4f5c\u5de5\u5177\uff1a\u591a\u4eba\u540c\u65f6\u7f16\u8f91\uff0c\u9700\u8981\u4f4e\u5ef6\u8fdf\u3001\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\uff1b<\/li>\n<li>\u79fb\u52a8\u7aef\u5b9e\u65f6\u5e94\u7528\uff1a\u9700\u8981\u652f\u6301\u7f51\u7edc\u5207\u6362\u4e0d\u4e2d\u65ad\uff0c\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c\u53ea\u662f\u7b80\u5355\u7684\u5b9e\u65f6\u804a\u5929\u3001\u6d88\u606f\u63a8\u9001\uff0cWebSocket \u5df2\u7ecf\u8db3\u591f\u7528\uff0c\u6ca1\u5fc5\u8981\u5f3a\u884c\u4e0a WebTransport\u2014\u2014\u6280\u672f\u9009\u578b\u7684\u6838\u5fc3\u662f\u201c\u5408\u9002\u201d\uff0c\u800c\u4e0d\u662f\u201c\u6700\u65b0\u201d\u3002<\/p>\n<p>\u53e6\u5916\uff0cWebTransport \u5fc5\u987b\u5728 HTTPS \u73af\u5883\u4e0b\u4f7f\u7528\uff08\u672c\u5730\u5f00\u53d1\u53ef\u4ee5\u7528 localhost\uff09\uff0c\u76ee\u524d\u4e3b\u6d41\u6d4f\u89c8\u5668\uff08Chrome 97+\u3001Firefox 114+\u3001Safari 26.4+\uff09\u90fd\u5df2\u652f\u6301\uff0c\u4e0d\u8fc7\u79bb\u5728\u6b63\u5f0f\u73af\u5883\u4f7f\u7528\u8fd8\u9700\u8981\u4e00\u4e24\u5e74\u7684\u7f13\u51b2\u65f6\u95f4\uff0c\u9664\u975e\u4f60\u7684\u9879\u76ee\u4e0d\u9700\u8981\u7ba1Safari\u6d4f\u89c8\u5668\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202603\/2026-3-17_104820.png\" width=\"654\" height=\"429\" alt=\"WebTransport\u517c\u5bb9\u6027\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u524d\u7aef\u6280\u672f\u66f4\u65b0\u5f88\u5feb\uff0c\u6211\u4eec\u4e0d\u7528\u8ffd\u6c42\u638c\u63e1\u6240\u6709\u65b0\u7279\u6027\uff0c\u4f46\u5bf9\u4e8e\u90a3\u4e9b\u80fd\u89e3\u51b3\u5b9e\u9645\u75db\u70b9\u3001\u63d0\u5347\u5f00\u53d1\u6548\u7387\u7684\u6280\u672f\uff0c\u591a\u82b1\u70b9\u65f6\u95f4\u5403\u900f\uff0c\u603b\u80fd\u5728\u9879\u76ee\u4e2d\u53d1\u6325\u4f5c\u7528\u3002<\/p>\n<p>\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u80fd\u5e2e\u5927\u5bb6\u5feb\u901f\u4e0a\u624b WebTransport\uff0c\u5c11\u8e29\u5751\u3001\u591a\u63d0\u6548\u3002<\/p>\n<p>\u5bf9\u4e86\uff0c\u63d0\u4e00\u5634\uff1a\u672c\u6587\u7684\u539f\u7406\u793a\u610f\u56fe\u548c\u4ee3\u7801\u6309\u94ae\u90fd\u662fAI\u751f\u6210\u7684\uff0c\u4ec5\u4f9b\u53c2\u8003\uff01<\/p>\n<p>\ud83d\ude09\ud83d\ude0a\ud83d\ude07<br \/>\n\ud83e\udd70\ud83d\ude0d\ud83d\ude18<\/p>\n<p>\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u4f1a\u7ecf\u5e38\u66f4\u65b0\u77e5\u8bc6\u70b9\u4ee5\u53ca\u4fee\u6b63\u4e00\u4e9b\u9519\u8bef\uff0c\u56e0\u6b64\u8f6c\u8f7d\u8bf7\u4fdd\u7559\u539f\u51fa\u5904\uff0c\u65b9\u4fbf\u6eaf\u6e90\uff0c\u907f\u514d\u9648\u65e7\u9519\u8bef\u77e5\u8bc6\u7684\u8bef\u5bfc\uff0c\u540c\u65f6\u6709\u66f4\u597d\u7684\u9605\u8bfb\u4f53\u9a8c\u3002<br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=12112\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=12112<\/a><\/p>\n<p>\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202603\/2026-3-17_161657.png\" width=\"160\" height=\"97\" alt=\"WebTransport\u5c01\u9762\u56fe\" class=\"alignright size-medium\" loading=\"lazy\" \/><\/p>\n<p>WebSocket\u8fd8\u6ca1\u7528\u660e\u767d\uff0c\u73b0\u5728\u53c8\u51fa\u4e86\u4e2aWebTransport 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