{"id":78201,"date":"2026-02-26T16:18:32","date_gmt":"2026-02-26T08:18:32","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/78201.html"},"modified":"2026-02-26T16:18:32","modified_gmt":"2026-02-26T08:18:32","slug":"flutter-for-openharmony%ef%bc%9ashelf_web_socket-%e5%bf%ab%e9%80%9f%e6%9e%84%e5%bb%ba-websocket-%e6%9c%8d%e5%8a%a1%e7%ab%af%ef%bc%8c%e5%ae%9e%e7%8e%b0%e7%ab%af%e5%88%b0%e7%ab%af%e5%ae%9e%e6%97%b6","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/78201.html","title":{"rendered":"Flutter for OpenHarmony\uff1ashelf_web_socket \u5feb\u901f\u6784\u5efa WebSocket \u670d\u52a1\u7aef\uff0c\u5b9e\u73b0\u7aef\u5230\u7aef\u5b9e\u65f6\u901a\u4fe1\uff08WebSocket \u670d\u52a1\u5668\uff09 \u6df1\u5ea6\u89e3\u6790\u4e0e\u9e3f\u8499\u9002\u914d\u6307\u5357"},"content":{"rendered":"<p>\u6b22\u8fce\u52a0\u5165\u5f00\u6e90\u9e3f\u8499\u8de8\u5e73\u53f0\u793e\u533a&#xff1a;https:\/\/openharmonycrossplatform.csdn.net<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260226081810-69a001c2edecc.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u524d\u8a00<\/h3>\n<p>\u5728\u79fb\u52a8\u5e94\u7528\u5f00\u53d1\u4e2d&#xff0c;\u6211\u4eec\u901a\u5e38\u626e\u6f14\u201c\u5ba2\u6237\u7aef\u201d\u7684\u89d2\u8272&#xff0c;\u53bb\u8fde\u63a5\u8fdc\u7a0b\u7684 WebSocket \u670d\u52a1\u3002\u4f46\u6709\u65f6&#xff0c;\u6211\u4eec\u9700\u8981\u5728\u8bbe\u5907\u672c\u8eab\u8fd0\u884c\u4e00\u4e2a\u5fae\u578b\u670d\u52a1\u5668&#xff0c;\u4f8b\u5982\u7528\u4e8e\u5c40\u57df\u7f51\u5185\u7684\u8bbe\u5907\u53d1\u73b0\u3001P2P \u6587\u4ef6\u4f20\u8f93\u4fe1\u4ee4&#xff0c;\u6216\u8005\u5728\u8c03\u8bd5\u6a21\u5f0f\u4e0b\u4f5c\u4e3a\u6570\u636e\u5e7f\u64ad\u6e90\u3002<\/p>\n<p>shelf_web_socket \u662f\u57fa\u4e8e Dart \u6807\u51c6 Web \u670d\u52a1\u5668\u6846\u67b6 shelf \u7684 WebSocket \u5904\u7406\u5668\u3002\u5b83\u80fd\u8ba9\u4f60\u5728 Flutter \u5e94\u7528&#xff08;\u5305\u62ec OpenHarmony&#xff09;\u4e2d\u8f7b\u677e\u542f\u52a8\u4e00\u4e2a\u80fd\u591f\u5904\u7406 WebSocket \u8fde\u63a5\u7684 HTTP \u670d\u52a1\u3002<\/p>\n<h3>\u4e00\u3001\u6838\u5fc3\u6982\u5ff5<\/h3>\n<ul>\n<li>Shelf: Dart \u7684 Web \u670d\u52a1\u5668\u4e2d\u95f4\u4ef6\u7ba1\u9053\u6846\u67b6&#xff08;\u7c7b\u4f3c Express.js&#xff09;\u3002<\/li>\n<li>Handler: \u5904\u7406\u8bf7\u6c42\u5e76\u8fd4\u56de\u54cd\u5e94\u7684\u51fd\u6570\u3002<\/li>\n<li>WebSocketChannel: \u4e0b\u5c42\u5c01\u88c5&#xff0c;\u8ba9 WebSocket \u64cd\u4f5c\u50cf Stream \u4e00\u6837\u7b80\u5355\u3002<\/li>\n<\/ul>\n<p>  #mermaid-svg-fdqxGZSn0GbtWRFR{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}@keyframes edge-animation-frame{from{stroke-dashoffset:0;}}@keyframes dash{to{stroke-dashoffset:0;}}#mermaid-svg-fdqxGZSn0GbtWRFR .edge-animation-slow{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 50s linear 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ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-fdqxGZSn0GbtWRFR p{margin:0;}#mermaid-svg-fdqxGZSn0GbtWRFR .label{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;color:#333;}#mermaid-svg-fdqxGZSn0GbtWRFR .cluster-label text{fill:#333;}#mermaid-svg-fdqxGZSn0GbtWRFR .cluster-label span{color:#333;}#mermaid-svg-fdqxGZSn0GbtWRFR .cluster-label span p{background-color:transparent;}#mermaid-svg-fdqxGZSn0GbtWRFR .label text,#mermaid-svg-fdqxGZSn0GbtWRFR span{fill:#333;color:#333;}#mermaid-svg-fdqxGZSn0GbtWRFR .node rect,#mermaid-svg-fdqxGZSn0GbtWRFR .node circle,#mermaid-svg-fdqxGZSn0GbtWRFR .node ellipse,#mermaid-svg-fdqxGZSn0GbtWRFR .node polygon,#mermaid-svg-fdqxGZSn0GbtWRFR .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-fdqxGZSn0GbtWRFR .rough-node .label text,#mermaid-svg-fdqxGZSn0GbtWRFR .node .label text,#mermaid-svg-fdqxGZSn0GbtWRFR .image-shape .label,#mermaid-svg-fdqxGZSn0GbtWRFR .icon-shape .label{text-anchor:middle;}#mermaid-svg-fdqxGZSn0GbtWRFR .node .katex path{fill:#000;stroke:#000;stroke-width:1px;}#mermaid-svg-fdqxGZSn0GbtWRFR .rough-node .label,#mermaid-svg-fdqxGZSn0GbtWRFR .node .label,#mermaid-svg-fdqxGZSn0GbtWRFR .image-shape .label,#mermaid-svg-fdqxGZSn0GbtWRFR .icon-shape .label{text-align:center;}#mermaid-svg-fdqxGZSn0GbtWRFR .node.clickable{cursor:pointer;}#mermaid-svg-fdqxGZSn0GbtWRFR .root .anchor path{fill:#333333!important;stroke-width:0;stroke:#333333;}#mermaid-svg-fdqxGZSn0GbtWRFR .arrowheadPath{fill:#333333;}#mermaid-svg-fdqxGZSn0GbtWRFR .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-fdqxGZSn0GbtWRFR .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-fdqxGZSn0GbtWRFR .edgeLabel{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-fdqxGZSn0GbtWRFR .edgeLabel p{background-color:rgba(232,232,232, 0.8);}#mermaid-svg-fdqxGZSn0GbtWRFR .edgeLabel rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-fdqxGZSn0GbtWRFR .labelBkg{background-color:rgba(232, 232, 232, 0.5);}#mermaid-svg-fdqxGZSn0GbtWRFR .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-fdqxGZSn0GbtWRFR .cluster text{fill:#333;}#mermaid-svg-fdqxGZSn0GbtWRFR .cluster span{color:#333;}#mermaid-svg-fdqxGZSn0GbtWRFR div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-fdqxGZSn0GbtWRFR .flowchartTitleText{text-anchor:middle;font-size:18px;fill:#333;}#mermaid-svg-fdqxGZSn0GbtWRFR rect.text{fill:none;stroke-width:0;}#mermaid-svg-fdqxGZSn0GbtWRFR .icon-shape,#mermaid-svg-fdqxGZSn0GbtWRFR .image-shape{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-fdqxGZSn0GbtWRFR .icon-shape p,#mermaid-svg-fdqxGZSn0GbtWRFR .image-shape p{background-color:rgba(232,232,232, 0.8);padding:2px;}#mermaid-svg-fdqxGZSn0GbtWRFR .icon-shape rect,#mermaid-svg-fdqxGZSn0GbtWRFR .image-shape rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-fdqxGZSn0GbtWRFR .label-icon{display:inline-block;height:1em;overflow:visible;vertical-align:-0.125em;}#mermaid-svg-fdqxGZSn0GbtWRFR .node .label-icon path{fill:currentColor;stroke:revert;stroke-width:revert;}#mermaid-svg-fdqxGZSn0GbtWRFR :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}<\/p>\n<p>         <span class=\"edgeLabel\"><\/p>\n<p>\u5efa\u7acb\u8fde\u63a5 ws:\/\/ip:port<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/p>\n<p>\u534f\u8bae\u5347\u7ea7\u8bf7\u6c42 (Upgrade Request)<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/p>\n<p>\u5347\u7ea7\u6210\u529f (Success)<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"edgeLabel\"><\/p>\n<p>\u6570\u636e\u6d41\/\u63a5\u6536\u7aef (Stream\/Sink)<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>WebSocket \u5ba2\u6237\u7aef\\\\n(App\/\u6d4f\u89c8\u5668)<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u9e3f\u8499\u5e94\u7528\\\\n(shelf_web_socket)<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u5904\u7406\u5668 (shelf handler)<\/p>\n<p><\/span><\/p>\n<p>         <span class=\"nodeLabel\"><\/p>\n<p>\u901a\u4fe1\u901a\u9053 (WebSocketChannel)<\/p>\n<p><\/span><\/p>\n<h3>\u4e8c\u3001\u96c6\u6210\u4e0e\u57fa\u7840\u7528\u6cd5<\/h3>\n<h4>2.1 \u6dfb\u52a0\u4f9d\u8d56<\/h4>\n<p><span class=\"token key atrule\">dependencies<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">shelf<\/span><span class=\"token punctuation\">:<\/span> ^1.4.0<br \/>\n  <span class=\"token key atrule\">shelf_web_socket<\/span><span class=\"token punctuation\">:<\/span> ^3.0.0<br \/>\n  <span class=\"token key atrule\">web_socket_channel<\/span><span class=\"token punctuation\">:<\/span> ^3.0.0<\/p>\n<h4>2.2 \u542f\u52a8\u57fa\u7840\u670d\u52a1<\/h4>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;package:shelf\/shelf_io.dart&#039;<\/span><\/span> <span class=\"token operator\">as<\/span> shelf_io<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;package:shelf_web_socket\/shelf_web_socket.dart&#039;<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;package:web_socket_channel\/web_socket_channel.dart&#039;<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u5b9a\u4e49 WebSocket \u5904\u7406\u5668<\/span><br \/>\n  <span class=\"token keyword\">var<\/span> handler <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">webSocketHandler<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">WebSocketChannel<\/span> webSocket<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    webSocket<span class=\"token punctuation\">.<\/span>stream<span class=\"token punctuation\">.<\/span><span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u6536\u5230\u6d88\u606f: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">$<\/span><span class=\"token expression\">message<\/span><\/span><span class=\"token string\">&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      webSocket<span class=\"token punctuation\">.<\/span>sink<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u670d\u52a1\u7aef\u5df2\u6536\u5230: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">$<\/span><span class=\"token expression\">message<\/span><\/span><span class=\"token string\">&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u542f\u52a8\u670d\u52a1&#xff0c;\u76d1\u542c\u6240\u6709 IP (0.0.0.0)<\/span><br \/>\n  <span class=\"token keyword\">var<\/span> server <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> shelf_io<span class=\"token punctuation\">.<\/span><span class=\"token function\">serve<\/span><span class=\"token punctuation\">(<\/span>handler<span class=\"token punctuation\">,<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;0.0.0.0&#039;<\/span><\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">8080<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;WebSocket \u670d\u52a1\u5df2\u542f\u52a8: ws:\/\/<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">${<\/span><span class=\"token expression\">server<span class=\"token punctuation\">.<\/span>address<span class=\"token punctuation\">.<\/span>host<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">:<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">${<\/span><span class=\"token expression\">server<span class=\"token punctuation\">.<\/span>port<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260226081811-69a001c32e4e8.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u4e09\u3001\u8fdb\u9636\u573a\u666f\u4e0e\u793a\u4f8b<\/h3>\n<h4>3.1 \u793a\u4f8b\u4e00&#xff1a;\u5e7f\u64ad\u6d88\u606f<\/h4>\n<p>\u5b9e\u73b0\u4e00\u4e2a\u804a\u5929\u5ba4\u529f\u80fd&#xff0c;\u5c06\u4e00\u4e2a\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u6d88\u606f\u5e7f\u64ad\u7ed9\u6240\u6709\u8fde\u63a5\u8005\u3002<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;package:shelf_web_socket\/shelf_web_socket.dart&#039;<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;package:web_socket_channel\/web_socket_channel.dart&#039;<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">final<\/span> <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">WebSocketChannel<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> _clients <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">var<\/span> broadcastHandler <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">webSocketHandler<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">WebSocketChannel<\/span> webSocket<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  _clients<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>webSocket<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u65b0\u5ba2\u6237\u7aef\u8fde\u63a5&#xff0c;\u5f53\u524d\u5728\u7ebf: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">${<\/span><span class=\"token expression\">_clients<span class=\"token punctuation\">.<\/span>length<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  webSocket<span class=\"token punctuation\">.<\/span>stream<span class=\"token punctuation\">.<\/span><span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5e7f\u64ad\u7ed9\u5176\u4ed6\u5ba2\u6237\u7aef<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">var<\/span> client <span class=\"token keyword\">in<\/span> _clients<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>client <span class=\"token operator\">!&#061;<\/span> webSocket<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        client<span class=\"token punctuation\">.<\/span>sink<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> onDone<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    _clients<span class=\"token punctuation\">.<\/span><span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span>webSocket<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u5ba2\u6237\u7aef\u65ad\u5f00&#xff0c;\u5269\u4f59: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">${<\/span><span class=\"token expression\">_clients<span class=\"token punctuation\">.<\/span>length<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260226081814-69a001c6b2fef.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>3.2 \u793a\u4f8b\u4e8c&#xff1a;\u9274\u6743\u6821\u9a8c<\/h4>\n<p>\u5728\u5efa\u7acb\u8fde\u63a5\u524d\u68c0\u67e5 Header \u4e2d\u7684 Token\u3002<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;package:shelf\/shelf.dart&#039;<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;package:shelf_web_socket\/shelf_web_socket.dart&#039;<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token class-name\">Handler<\/span> <span class=\"token function\">authMiddleware<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Handler<\/span> innerHandler<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Request<\/span> request<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">.<\/span>headers<span class=\"token punctuation\">[<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;Authorization&#039;<\/span><\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">!&#061;<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;Bearer my_secret_token&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Response<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">forbidden<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u672a\u6388\u6743\u8bbf\u95ee&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token function\">innerHandler<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u4f7f\u7528 Pipeline \u7ec4\u88c5<\/span><br \/>\n<span class=\"token comment\">\/\/ var handler &#061; Pipeline().addMiddleware(authMiddleware).addHandler(wsHandler);<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260226081818-69a001ca24b63.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>3.3 \u793a\u4f8b\u4e09&#xff1a;\u5904\u7406\u4e8c\u8fdb\u5236\u6570\u636e<\/h4>\n<p>WebSocket \u4e0d\u4ec5\u80fd\u4f20\u5b57\u7b26\u4e32&#xff0c;\u8fd8\u80fd\u4f20\u5b57\u8282\u6d41&#xff08;\u5982\u56fe\u7247\u7247\u6bb5&#xff09;\u3002<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;dart:typed_data&#039;<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">var<\/span> binaryHandler <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">webSocketHandler<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">WebSocketChannel<\/span> webSocket<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  webSocket<span class=\"token punctuation\">.<\/span>stream<span class=\"token punctuation\">.<\/span><span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>message <span class=\"token operator\">is<\/span> <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span>int<span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u6536\u5230\u4e8c\u8fdb\u5236\u6570\u636e&#xff0c;\u957f\u5ea6: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">${<\/span><span class=\"token expression\">message<span class=\"token punctuation\">.<\/span>length<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token comment\">\/\/ \u5904\u7406\u4e8c\u8fdb\u5236\u903b\u8f91&#8230;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u6536\u5230\u6587\u672c: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">$<\/span><span class=\"token expression\">message<\/span><\/span><span class=\"token string\">&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260226081822-69a001ce363fe.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u56db\u3001OpenHarmony \u5e73\u53f0\u9002\u914d<\/h3>\n<h4>4.1 \u7f51\u7edc\u6743\u9650<\/h4>\n<p>\u4f5c\u4e3a\u670d\u52a1\u7aef&#xff0c;\u4f60\u9700\u8981\u76d1\u542c\u7aef\u53e3&#xff0c;\u8fd9\u540c\u6837\u9700\u8981 Internet \u6743\u9650\u3002<\/p>\n<p><span class=\"token string-property property\">&#034;requestPermissions&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n  <span class=\"token punctuation\">{<\/span> <span class=\"token string-property property\">&#034;name&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;ohos.permission.INTERNET&#034;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">]<\/span><\/p>\n<h4>4.2 \u540e\u53f0\u8fd0\u884c\u9650\u5236<\/h4>\n<p>\u79fb\u52a8\u64cd\u4f5c\u7cfb\u7edf\u901a\u5e38\u9650\u5236\u5e94\u7528\u5728\u540e\u53f0\u8fd0\u884c\u670d\u52a1\u3002\u5982\u679c\u4f60\u7684 WebSocket \u670d\u52a1\u9700\u8981\u957f\u671f\u8fd0\u884c&#xff0c;\u5efa\u8bae\u5728\u524d\u53f0 Service \u4e2d\u542f\u52a8&#xff0c;\u6216\u4ec5\u5728 App \u524d\u53f0\u53ef\u89c1\u65f6\u8fd0\u884c\u3002<\/p>\n<h3>\u4e94\u3001\u5b8c\u6574\u5b9e\u6218\u793a\u4f8b&#xff1a;\u5c40\u57df\u7f51\u5373\u65f6\u753b\u677f\u670d\u52a1\u7aef<\/h3>\n<p>\u672c\u793a\u4f8b\u5c06\u5728 OpenHarmony \u8bbe\u5907\u4e0a\u542f\u52a8\u4e00\u4e2a WebSocket \u670d\u52a1\u3002\u4efb\u4f55\u8fde\u63a5\u5230\u8be5\u670d\u52a1\u7684\u5ba2\u6237\u7aef&#xff08;\u53ef\u4ee5\u662f\u53e6\u4e00\u4e2a App \u6216\u6d4f\u89c8\u5668&#xff09;\u53d1\u9001\u7684\u5750\u6807\u70b9&#xff0c;\u90fd\u4f1a\u88ab\u5e7f\u64ad\u7ed9\u5176\u4ed6\u4eba&#xff0c;\u5b9e\u73b0\u591a\u7aef\u534f\u540c\u7ed8\u56fe\u3002<\/p>\n<h4>5.1 \u793a\u4f8b\u4ee3\u7801<\/h4>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;dart:async&#039;<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;dart:io&#039;<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;package:flutter\/material.dart&#039;<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;package:shelf\/shelf_io.dart&#039;<\/span><\/span> <span class=\"token operator\">as<\/span> shelf_io<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;package:shelf_web_socket\/shelf_web_socket.dart&#039;<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;package:web_socket_channel\/web_socket_channel.dart&#039;<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token function\">runApp<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> <span class=\"token class-name\">MaterialApp<\/span><span class=\"token punctuation\">(<\/span>home<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">ServerPage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ServerPage<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">StatefulWidget<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">const<\/span> <span class=\"token class-name\">ServerPage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token keyword\">super<\/span><span class=\"token punctuation\">.<\/span>key<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token metadata function\">&#064;override<\/span><br \/>\n  <span class=\"token class-name\">State<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">ServerPage<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">createState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">_ServerPageState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> _ServerPageState <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">State<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">ServerPage<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token class-name\">HttpServer<\/span><span class=\"token operator\">?<\/span> _server<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">WebSocketChannel<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> _sockets <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> _logs <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token class-name\">String<\/span> _ipInfo <span class=\"token operator\">&#061;<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;\u83b7\u53d6\u4e2d&#8230;&#039;<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token metadata function\">&#064;override<\/span><br \/>\n  <span class=\"token keyword\">void<\/span> <span class=\"token function\">initState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">super<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">initState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">_getIpAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token class-name\">Future<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">_getIpAddress<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">final<\/span> interfaces <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> <span class=\"token class-name\">NetworkInterface<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">list<\/span><span class=\"token punctuation\">(<\/span>type<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">InternetAddressType.IPv4<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">final<\/span> ip <span class=\"token operator\">&#061;<\/span> interfaces<span class=\"token punctuation\">.<\/span>first<span class=\"token punctuation\">.<\/span>addresses<span class=\"token punctuation\">.<\/span>first<span class=\"token punctuation\">.<\/span>address<span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token function\">setState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> _ipInfo <span class=\"token operator\">&#061;<\/span> ip<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span>e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token function\">setState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> _ipInfo <span class=\"token operator\">&#061;<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;\u65e0\u6cd5\u83b7\u53d6 IP&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u542f\u52a8\u670d\u52a1<\/span><br \/>\n  <span class=\"token class-name\">Future<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">_startServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">var<\/span> handler <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">webSocketHandler<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">WebSocketChannel<\/span> webSocket<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      _sockets<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>webSocket<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token function\">_log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u65b0\u8fde\u63a5\u63a5\u5165&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>      webSocket<span class=\"token punctuation\">.<\/span>stream<span class=\"token punctuation\">.<\/span><span class=\"token function\">listen<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">_log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u5e7f\u64ad\u6570\u636e: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">$<\/span><span class=\"token expression\">message<\/span><\/span><span class=\"token string\">&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5e7f\u64ad\u5750\u6807\u6570\u636e<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">var<\/span> socket <span class=\"token keyword\">in<\/span> _sockets<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n          <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>socket <span class=\"token operator\">!&#061;<\/span> webSocket<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            socket<span class=\"token punctuation\">.<\/span>sink<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n          <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> onDone<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        _sockets<span class=\"token punctuation\">.<\/span><span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span>webSocket<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">_log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u8fde\u63a5\u65ad\u5f00&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      _server <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">await<\/span> shelf_io<span class=\"token punctuation\">.<\/span><span class=\"token function\">serve<\/span><span class=\"token punctuation\">(<\/span>handler<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">InternetAddress<\/span><span class=\"token punctuation\">.<\/span>anyIPv4<span class=\"token punctuation\">,<\/span> <span class=\"token number\">8080<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token function\">_log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u670d\u52a1\u542f\u52a8\u4e8e ws:\/\/<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">$<\/span><span class=\"token expression\">_ipInfo<\/span><\/span><span class=\"token string\">:8080&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span>e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token function\">_log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u542f\u52a8\u5931\u8d25: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">$<\/span><span class=\"token expression\">e<\/span><\/span><span class=\"token string\">&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token class-name\">Future<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">_stopServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">await<\/span> _server<span class=\"token operator\">?<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span>force<span class=\"token punctuation\">:<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">var<\/span> s <span class=\"token keyword\">in<\/span> _sockets<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">await<\/span> s<span class=\"token punctuation\">.<\/span>sink<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    _sockets<span class=\"token punctuation\">.<\/span><span class=\"token function\">clear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    _server <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">_log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u670d\u52a1\u5df2\u505c\u6b62&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token keyword\">void<\/span> <span class=\"token function\">_log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> msg<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>mounted<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">setState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      _logs<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;[<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">${<\/span><span class=\"token expression\"><span class=\"token class-name\">DateTime<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>hour<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">:<\/span><span class=\"token interpolation\"><span class=\"token punctuation\">${<\/span><span class=\"token expression\"><span class=\"token class-name\">DateTime<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>minute<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">] <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">$<\/span><span class=\"token expression\">msg<\/span><\/span><span class=\"token string\">&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token metadata function\">&#064;override<\/span><br \/>\n  <span class=\"token keyword\">void<\/span> <span class=\"token function\">dispose<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">_stopServer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">super<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">dispose<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token metadata function\">&#064;override<\/span><br \/>\n  <span class=\"token class-name\">Widget<\/span> <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">BuildContext<\/span> context<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Scaffold<\/span><span class=\"token punctuation\">(<\/span><br \/>\n      appBar<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">AppBar<\/span><span class=\"token punctuation\">(<\/span>title<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;WebSocket Server&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      body<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Column<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        children<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n          <span class=\"token class-name\">Container<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            padding<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token class-name\">EdgeInsets<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">all<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            color<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>blue<span class=\"token punctuation\">[<\/span><span class=\"token number\">50<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Column<\/span><span class=\"token punctuation\">(<\/span><br \/>\n              children<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n                <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u672c\u673a IP: <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">$<\/span><span class=\"token expression\">_ipInfo<\/span><\/span><span class=\"token string\">&#039;<\/span><\/span><span class=\"token punctuation\">,<\/span> style<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token class-name\">TextStyle<\/span><span class=\"token punctuation\">(<\/span>fontSize<span class=\"token punctuation\">:<\/span> <span class=\"token number\">18<\/span><span class=\"token punctuation\">,<\/span> fontWeight<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">FontWeight<\/span><span class=\"token punctuation\">.<\/span>bold<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token keyword\">const<\/span> <span class=\"token class-name\">SizedBox<\/span><span class=\"token punctuation\">(<\/span>height<span class=\"token punctuation\">:<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token class-name\">Row<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                  mainAxisAlignment<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">MainAxisAlignment<\/span><span class=\"token punctuation\">.<\/span>center<span class=\"token punctuation\">,<\/span><br \/>\n                  children<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n                    <span class=\"token class-name\">ElevatedButton<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                      onPressed<span class=\"token punctuation\">:<\/span> _server <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">?<\/span> _startServer <span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                      child<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u542f\u52a8\u670d\u52a1&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    <span class=\"token keyword\">const<\/span> <span class=\"token class-name\">SizedBox<\/span><span class=\"token punctuation\">(<\/span>width<span class=\"token punctuation\">:<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    <span class=\"token class-name\">ElevatedButton<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                      style<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">ElevatedButton<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">styleFrom<\/span><span class=\"token punctuation\">(<\/span>backgroundColor<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>red<span class=\"token punctuation\">[<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                      onPressed<span class=\"token punctuation\">:<\/span> _server <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">?<\/span> _stopServer <span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                      child<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u505c\u6b62&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                  <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n          <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n          <span class=\"token keyword\">const<\/span> <span class=\"token class-name\">Divider<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n          <span class=\"token class-name\">Expanded<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">ListView<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><br \/>\n              itemCount<span class=\"token punctuation\">:<\/span> _logs<span class=\"token punctuation\">.<\/span>length<span class=\"token punctuation\">,<\/span><br \/>\n              itemBuilder<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span>context<span class=\"token punctuation\">,<\/span> index<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token class-name\">ListTile<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                leading<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token class-name\">Icon<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Icons<\/span><span class=\"token punctuation\">.<\/span>info_outline<span class=\"token punctuation\">,<\/span> size<span class=\"token punctuation\">:<\/span> <span class=\"token number\">16<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                title<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span>_logs<span class=\"token punctuation\">[<\/span>index<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> style<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token class-name\">TextStyle<\/span><span class=\"token punctuation\">(<\/span>fontSize<span class=\"token punctuation\">:<\/span> <span class=\"token number\">14<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n          <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260226081826-69a001d2682e4.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u516d\u3001\u603b\u7ed3<\/h3>\n<p>\u901a\u8fc7 shelf_web_socket&#xff0c;\u6211\u4eec\u8ba9 OpenHarmony \u624b\u673a\u4e0d\u4ec5\u4ec5\u662f\u4fe1\u606f\u7684\u6d88\u8d39\u8005&#xff0c;\u66f4\u6210\u4e3a\u4e86\u4fe1\u606f\u7684\u751f\u4ea7\u8005\u548c\u4e2d\u8f6c\u7ad9\u3002<\/p>\n<p>\u6700\u4f73\u5b9e\u8df5&#xff1a;<\/p>\n<li>\u5f02\u5e38\u5904\u7406&#xff1a;Websocket \u8fde\u63a5\u5f88\u5bb9\u6613\u56e0\u7f51\u7edc\u6ce2\u52a8\u65ad\u5f00&#xff0c;\u52a1\u5fc5\u5904\u7406 onDone \u548c 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