{"id":25365,"date":"2025-04-19T12:16:48","date_gmt":"2025-04-19T04:16:48","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/25365.html"},"modified":"2025-04-19T12:16:48","modified_gmt":"2025-04-19T04:16:48","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-arduino-ide-%e4%b8%ad%e4%bd%bf%e7%94%a8-websockets-%e5%88%9b%e5%bb%ba-esp32-web-%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/25365.html","title":{"rendered":"\u5982\u4f55\u5728 Arduino IDE \u4e2d\u4f7f\u7528 WebSockets \u521b\u5efa ESP32 Web \u670d\u52a1\u5668"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\u4ec0\u4e48\u662f WebSocket&#xff1f;<\/li>\n<li>\u57fa\u4e8e WedSocket \u7684\u5c0f\u9879\u76ee\u6982\u8ff0<\/li>\n<li>\u9879\u76ee\u5b9e\u73b0<\/li>\n<li>\n<ul>\n<li>\u5b89\u88c5 WebSocket \u5e93\u4e0e\u5176\u4ed6\u4f9d\u8d56\u5e93<\/li>\n<li>\u4ee3\u7801\u5206\u6790\u8bf4\u660e<\/li>\n<li>\n<ul>\n<li>\u5e93\u548c\u5b9a\u4e49\u5e38\u91cf<\/li>\n<li>HTML \u9875\u9762\u6a21\u677f<\/li>\n<li>WebSocket \u6d88\u606f\u5904\u7406\u51fd\u6570<\/li>\n<li>WebSocket \u4e8b\u4ef6\u5904\u7406\u5668<\/li>\n<li>\u53d8\u91cf\u66ff\u6362\u5904\u7406\u5668<\/li>\n<li>\u521d\u59cb\u5316\u8bbe\u7f6e<\/li>\n<li>\u4e3b\u5faa\u73af<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u6548\u679c\u6f14\u793a<\/li>\n<li>\u4ee3\u7801\u94fe\u63a5<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419041645-680323ad037c2.webp\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <\/p>\n<p>\u5047\u8bbe\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u4f7f\u7528 ESP32 \u901a\u8fc7 WiFi \u63a7\u5236 LED \u7684\u9879\u76ee\u3002\u5b9e\u73b0\u975e\u5e38\u7b80\u5355&#xff1a;\u5c06 ESP32 \u8bbe\u7f6e\u4e3a\u8f6f AP \u6216 STA \u6a21\u5f0f&#xff0c;\u5141\u8bb8\u5b83\u63d0\u4f9b\u4e00\u4e2a\u7f51\u9875&#xff0c;\u5c06 LED \u5f00\u5173\u7684\u72b6\u6001\u663e\u793a\u4e3a\u201c\u5f00\u201d\u6216\u201c\u5173\u201d\u3002\u5f53\u7528\u6237\u5728\u6d4f\u89c8\u5668\u4e2d\u5207\u6362 LED \u5f00\u5173\u65f6&#xff0c;ESP32 \u5c06\u6536\u5230\u4e00\u4e2a HTTP \u8bf7\u6c42\u3002\u4f5c\u4e3a\u54cd\u5e94&#xff0c;\u5b83\u5c06\u76f8\u5e94\u5730\u8c03\u6574 LED \u7684\u72b6\u6001&#xff0c;\u5e76\u5c06\u54cd\u5e94\u53d1\u9001\u56de\u6d4f\u89c8\u5668\u3002\u8fd9\u6b63\u662f\u6211\u4e4b\u524d\u5b8c\u6210\u7684\u5c0f\u9879\u76ee\u300a\u57fa\u4e8e Arduino IDE \u642d\u5efa\u4e00\u4e2a\u8f7b\u91cf\u7684 ESP32 Web \u670d\u52a1\u5668\u300b\u6240\u5b9e\u73b0\u7684\u529f\u80fd\u3002<\/p>\n<p>\u4f46\u662f&#xff0c;\u6b64\u5c0f\u9879\u76ee\u5b58\u5728\u4e00\u4e2a\u95ee\u9898\u3002Web \u662f\u4e00\u4e2a\u591a\u7528\u6237\u7cfb\u7edf&#xff0c;\u5176\u4ed6\u7684\u8bbe\u5907\u4e5f\u53ef\u4ee5\u540c\u65f6\u8fde\u63a5\u5230\u540c\u4e00\u4e2a Web \u670d\u52a1\u5668\u3002\u6362\u53e5\u8bdd\u8bf4&#xff0c;\u670d\u52a1\u5668\u662f\u4e00\u79cd\u5171\u4eab\u8d44\u6e90\u3002\u5982\u679c\u4e24\u4e2a\u7528\u6237\u5c1d\u8bd5\u540c\u65f6\u6253\u5f00\u6216\u5173\u95ed LED&#xff0c;\u8fd9\u4e24\u4e2a\u6d4f\u89c8\u5668\u754c\u9762\u5e76\u4e0d\u540c\u6b65&#xff0c;\u4e14\u4e0d\u4f1a\u51c6\u786e\u663e\u793a LED \u7684\u5b9e\u9645\u72b6\u6001\u3002\u56e0\u6b64&#xff0c;\u5b83\u4e0d\u662f\u6b64\u7c7b\u7cfb\u7edf\u7684\u5408\u9002\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<p>\u5f53\u7136&#xff0c;\u8fd9\u4e2a\u5c0f\u95ee\u9898\u6211\u4eec\u53ef\u4ee5\u7528 WebSocket \u901a\u4fe1\u534f\u8bae\u7684\u53cc\u5411\u529f\u80fd\u6765\u6784\u5efa\u4e00\u4e2a\u54cd\u5e94\u5f0f\u7cfb\u7edf&#xff0c;\u5176\u4e2d\u5355\u51fb LED \u5f00\u5173\u4f1a\u7acb\u5373\u4e2d\u7ee7\u5230\u670d\u52a1\u5668\u5e76\u5e7f\u64ad\u5230\u6240\u6709\u8fde\u63a5\u7684\u6d4f\u89c8\u5668&#xff0c;\u4ee5\u4fbf\u6240\u6709\u7528\u6237\u7684 LED \u5f00\u5173\u72b6\u6001\u59cb\u7ec8\u540c\u6b65\u3002<\/p>\n<p>\u672c\u7bc7\u535a\u5ba2\u6b63\u662f\u63cf\u8ff0\u4e86\u5982\u4f55\u4f7f\u7528 WebSocket \u901a\u4fe1\u534f\u8bae\u5728 ESP32 \u642d\u5efa Web \u670d\u52a1\u5668\u3002<\/p>\n<hr \/>\n<h2>\u4ec0\u4e48\u662f WebSocket&#xff1f;<\/h2>\n<p>WebSocket \u662f\u4e00\u79cd\u901a\u4fe1\u534f\u8bae\u7684\u540d\u79f0&#xff0c;\u5b83\u652f\u6301\u5ba2\u6237\u7aef\u548c Web \u670d\u52a1\u5668\u4e4b\u95f4\u7684\u53cc\u5411&#xff08;\u66f4\u51c6\u786e\u5730\u8bf4\u662f\u5168\u53cc\u5de5&#xff09;\u901a\u4fe1\u3002\u7b80\u5355\u5730\u8bf4&#xff0c;WebSocket \u662f\u4e00\u79cd\u5141\u8bb8\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5\u7684\u6280\u672f&#xff0c;\u901a\u8fc7\u8be5\u8fde\u63a5&#xff0c;\u4efb\u4f55\u4e00\u65b9\u90fd\u53ef\u4ee5\u968f\u65f6\u5411\u53e6\u4e00\u65b9\u53d1\u9001\u6d88\u606f\u3002<\/p>\n<p>\u8fd9\u4e0e\u5e38\u89c4 HTTP \u8fde\u63a5\u4e0d\u540c&#xff0c;\u5728\u5e38\u89c4 HTTP \u8fde\u63a5\u4e2d&#xff0c;\u5ba2\u6237\u7aef\u53d1\u8d77\u8bf7\u6c42&#xff0c;\u670d\u52a1\u5668\u53d1\u9001\u54cd\u5e94&#xff0c;\u7136\u540e\u8fde\u63a5\u7ec8\u6b62\u3002\u4e8b\u5b9e\u4e0a&#xff0c;WebSocket \u662f\u4e00\u79cd\u5b8c\u5168\u4e0d\u540c\u7684\u901a\u4fe1\u534f\u8bae&#xff0c;\u5f53\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5\u65f6&#xff0c;\u8fde\u63a5\u7684\u4e24\u7aef\u90fd\u53ef\u4ee5\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002\u56e0\u6b64&#xff0c;\u5c31\u50cf\u670d\u52a1\u5668\u6b63\u5728\u4fa6\u542c\u65b0\u6d88\u606f\u4e00\u6837&#xff0c;\u6240\u6709\u8fde\u63a5\u7684\u5ba2\u6237\u7aef\u4e5f\u5728\u79ef\u6781\u4fa6\u542c\u3002\u56e0\u6b64&#xff0c;\u670d\u52a1\u5668\u53ef\u4ee5\u5c06\u6570\u636e\u53d1\u9001\u5230\u7279\u5b9a\u5ba2\u6237\u7aef\u6216\u5c06\u5176\u5e7f\u64ad\u5230\u6240\u6709\u5ba2\u6237\u7aef&#xff0c;\u800c\u65e0\u9700\u8bf7\u6c42\u3002\u6700\u91cd\u8981\u7684\u662f&#xff0c;\u8fde\u63a5\u5c06\u4fdd\u6301\u6d3b\u52a8\u72b6\u6001&#xff0c;\u76f4\u5230\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u5668\u5173\u95ed\u5b83&#xff0c;\u4ece\u800c\u5141\u8bb8\u5b83\u4eec\u4e4b\u95f4\u8fdb\u884c\u6301\u7eed\u901a\u4fe1\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419041645-680323ad19abd.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>[!NOTE]<\/p>\n<p>\u672c\u6587\u7684\u91cd\u70b9\u5728\u4e8e\u5982\u4f55\u642d\u5efa WedSocket \u7684 Web \u670d\u52a1\u5668&#xff0c;\u800c\u4e0d\u662f\u5728\u79d1\u666e WedSocket&#xff0c;\u6240\u4ee5\u5173\u4e8e WedSocket \u7684\u89e3\u91ca\u4e0d\u4f1a\u6df1\u5165\u3002\u5982\u679c\u60f3\u8981\u6bd4\u8f83\u751f\u52a8\u5f62\u8c61\u7684\u4e86\u89e3 WedSocket \u76f8\u5173\u77e5\u8bc6&#xff0c;\u6211\u5728 B \u7ad9\u627e\u5230\u4e86\u4e00\u4e2a\u76f8\u5bf9\u4e0d\u9519\u7684\u89c6\u9891&#xff0c;\u5927\u5bb6\u53ef\u4ee5\u79fb\u6b65\u53bb\u770b\u4e00\u4e0b\u3002<\/p>\n<p>\u89c6\u9891\u94fe\u63a5&#xff1a;websocket\u662f\u4ec0\u4e48&#xff1f;\u548cHTTP\u662f\u4ec0\u4e48\u533a\u522b&#xff1f;\u957f\u8f6e\u8be2\u662f\u4ec0\u4e48&#xff1f;\u670d\u52a1\u5668\u63a8\u662f\u4ec0\u4e48&#xff1f;_\u54d4\u54e9\u54d4\u54e9_bilibili<\/p>\n<h2>\u57fa\u4e8e WedSocket \u7684\u5c0f\u9879\u76ee\u6982\u8ff0<\/h2>\n<p>\u63a5\u4e0b\u6765&#xff0c;\u6211\u5c06\u4f7f\u7528 ESP32 \u6784\u5efa\u4e00\u4e2a WebSocket \u670d\u52a1\u5668&#xff0c;\u901a\u8fc7 websocket \u8fde\u63a5\u8fdc\u7a0b\u63a7\u5236 ESP32 \u7684\u677f\u8f7d LED\u3002<\/p>\n<p>\u6211\u4f1a\u8bbe\u8ba1\u4e00\u4e2a\u7f51\u9875&#xff0c;\u5176\u4e2d\u5305\u542b\u4e00\u4e2a\u62e8\u52a8\u5f00\u5173&#xff0c;\u5141\u8bb8\u7528\u6237\u66f4\u6539 ESP32 \u7684 GPIO 2 \u5f15\u811a\u7684\u72b6\u6001&#xff08;\u8fd9\u4e2a GPIO \u5f15\u811a\u5bf9\u5e94\u7684\u5c31\u662f\u677f\u8f7d\u7684 LED \u7684\u5f15\u811a&#xff09;&#xff0c;Web \u754c\u9762\u8fd8\u5c06\u663e\u793a LED \u7684\u5f53\u524d\u72b6\u6001\u3002<\/p>\n<p>ESP32 \u5c06\u5728\u7f51\u7edc\u7aef\u53e3 80 \u4e0a\u4e3b\u52a8\u4fa6\u542c\u4f20\u5165\u7684 WebSocket \u8fde\u63a5\u548c\u6d88\u606f\u3002\u5f53\u7528\u6237\u5728\u7f51\u9875\u4e0a\u5207\u6362 LED \u5f00\u5173\u65f6&#xff0c;\u5c06\u5411 ESP32 \u53d1\u9001 \u201ctoggle\u201d \u6d88\u606f\u3002\u5f53 ESP32 \u6536\u5230\u6b64\u6d88\u606f\u65f6&#xff0c;\u5b83\u5c06\u5207\u6362 LED \u7684\u72b6\u6001&#xff0c;\u5e76\u901a\u8fc7\u53d1\u9001 \u201c1\u201d&#xff08;\u8868\u793a LED \u4eae\u8d77&#xff09;\u6216 \u201c0\u201d&#xff08;\u8868\u793a LED \u7184\u706d&#xff09;\u6765\u901a\u77e5\u6240\u6709\u8fde\u63a5\u7684\u5ba2\u6237\u7aef&#xff08;\u6d4f\u89c8\u5668&#xff09;\u3002\u56e0\u6b64&#xff0c;\u6240\u6709\u6d3b\u52a8\u5ba2\u6237\u7aef\u5c06\u7acb\u5373\u5728\u5176\u7f51\u9875\u4e0a\u66f4\u65b0 LED \u7684\u72b6\u6001\u3002<\/p>\n<p>\u8be5\u5c0f\u9879\u76ee\u7684\u5927\u81f4\u5de5\u4f5c\u539f\u7406&#xff0c;\u5982\u4e0b\u56fe&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419041645-680323ad99161.gif\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>\u9879\u76ee\u5b9e\u73b0<\/h2>\n<h3>\u5b89\u88c5 WebSocket \u5e93\u4e0e\u5176\u4ed6\u4f9d\u8d56\u5e93<\/h3>\n<p>\u60f3\u8981\u5728 ESP32 \u642d\u5efa WebSocket \u670d\u52a1\u5668&#xff0c;\u5c31\u8981\u4f7f\u7528\u5230 ESPAsyncWebServer \u5e93&#xff0c;\u8be5\u5e93\u4f9d\u8d56\u4e8e AsyncTCP \u5e93\u3002Arduino IDE 2 \u73b0\u5df2\u4e0a\u67b6\u8fd9\u4e9b\u5e93&#xff0c;\u53ef\u4ee5\u76f4\u63a5\u5728 \u201cLibrary Manager\u201d \u4e2d\u76f4\u63a5\u641c\u7d22\u5e76\u5b89\u88c5\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419041645-680323adc4078.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u8fd8\u6709 AsyncTCP \u5e93\u4e5f\u4e00\u5e76\u5b89\u88c5\u4e0a\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419041646-680323ae03b5e.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>[!IMPORTANT]<\/p>\n<p>\u5982\u679c\u4f60\u4f7f\u7528\u7684 Arduino IDE 1.8 \u6216\u66f4\u4f4e\u7684\u7248\u672c&#xff0c;\u53ef\u4ee5\u5728\u5e93\u7ba1\u7406\u4e2d\u627e\u4e0d\u5230\u8fd9\u4e9b\u5e93\u3002\u6211\u4e2a\u4eba\u66f4\u503e\u5411\u4e8e\u4e0d\u518d\u4f7f\u7528\u4f4e\u7248\u672c\u7684 IDE&#xff0c;\u800c\u662f\u4f7f\u7528\u6700\u65b0\u7248\u672c\u7684 IDE\u3002<\/p>\n<p>\u5982\u679c\u4f60\u89c9\u5f97\u5378\u8f7d IDE \u518d\u91cd\u65b0\u4e0b\u8f7d\u65b0\u7684 IDE \u5e76\u5b89\u88c5\u6bd4\u8f83\u9ebb\u70e6&#xff0c;\u90a3\u4f60\u53ea\u80fd\u4e0b\u8f7d\u8fd9\u4e9b\u5e93&#xff0c;\u518d\u624b\u52a8\u5bfc\u5165 IDE \u4e86\u3002<\/p>\n<p>\u4e0b\u8f7d\u94fe\u63a5&#xff1a;<\/p>\n<ul>\n<li>ESPAsyncWebServer \u5e93&#xff1a;https:\/\/github.com\/me-no-dev\/ESPAsyncWebServer\/archive\/master.zip<\/li>\n<li>AsyncTCP \u5e93&#xff1a;https:\/\/github.com\/me-no-dev\/AsyncTCP\/archive\/master.zip<\/li>\n<\/ul>\n<p>\u4e0b\u8f7d\u540e&#xff0c;\u5728 Arduino IDE \u4e2d&#xff0c;\u6309 Sketch -&gt; Include Library -&gt; Add .ZIP Library \u7684\u987a\u5e8f&#xff0c;\u7136\u540e\u9009\u62e9\u521a\u521a\u4e0b\u8f7d\u7684\u5e93\u5bfc\u5165\u3002\u7531\u4e8e\u6211\u6ca1\u6709\u5b89\u88c5\u4f4e\u7248\u672c\u7684 Arduino IDE&#xff0c;\u6240\u4ee5\u6211\u7528 Arduino IDE 2.3 \u7684\u7248\u672c\u622a\u4e00\u4e2a\u56fe\u53c2\u8003\u4e00\u4e0b&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419041646-680323ae378df.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u4ee3\u7801\u5206\u6790\u8bf4\u660e<\/h3>\n<p>\u672c\u793a\u4f8b\u4ee3\u7801\u5b9e\u73b0\u4e86\u4e00\u4e2a\u57fa\u4e8e ESP32 \u7684 WebSocket \u670d\u52a1\u5668&#xff0c;\u901a\u8fc7 Web \u6d4f\u89c8\u5668\u63a7\u5236\u677f\u8f7d LED&#xff0c;\u5e76\u5b9e\u65f6\u5c06 LED \u7684\u72b6\u6001\u901a\u77e5\u5176\u4ed6\u63a5\u5165 WebSocket \u670d\u52a1\u5668\u7684\u8bbe\u5907\u3002\u8be5\u9879\u76ee\u5229\u7528\u4e86\u975e\u963b\u585e\u7684\u5f02\u6b65\u901a\u4fe1\u6a21\u578b&#xff0c;\u786e\u4fdd\u4e86\u9ad8\u6548\u7684\u8d44\u6e90\u7ba1\u7406\u548c\u54cd\u5e94\u901f\u5ea6\u3002<\/p>\n<p>\u5b8c\u6574\u7684\u4ee3\u7801\u5df2\u7ecf\u63a8\u9001\u81f3\u6211\u7684\u4ee3\u7801\u4ed3\u5e93&#xff0c;\u94fe\u63a5\u5728\u6587\u7ae0\u7ed3\u5c3e&#xff0c;\u9700\u8981\u7684\u5c0f\u4f19\u4f34\u53ef\u4ee5\u81ea\u53d6&#xff08;\u4e0d\u4f1a git \u547d\u4ee4\u7684\u5c0f\u4f19\u4f34&#xff0c;\u4e5f\u53ef\u4ee5\u5728\u627e\u6211\u7684\u5c0f\u52a9\u7406\u8981\u4ee3\u7801&#xff09;\u3002\u4ee5\u4e0b\u662f\u5bf9\u4ee3\u7801\u7684\u5206\u6bb5\u89e3\u6790&#xff1a;<\/p>\n<h4>\u5e93\u548c\u5b9a\u4e49\u5e38\u91cf<\/h4>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;WiFi.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;AsyncTCP.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;ESPAsyncWebServer.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span><span class=\"token operator\">*<\/span> ssid     <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;Grayson&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span><span class=\"token operator\">*<\/span> password <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;Zhengxinyu13&#064;&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">bool<\/span> led_state <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> led_pin <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>AsyncWebServer <span class=\"token function\">server<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">80<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nAsyncWebSocket <span class=\"token function\">ws<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/ws&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<ul>\n<li>\u5305\u542b\u5e93&#xff1a;\u5bfc\u5165\u4e86\u7528\u4e8e WiFi \u8fde\u63a5\u3001\u5f02\u6b65 TCP \u901a\u4fe1\u4ee5\u53ca\u5f02\u6b65 Web \u670d\u52a1\u5668\u7684\u5e93\u3002<\/li>\n<li>\u5e38\u91cf\u5b9a\u4e49&#xff1a;\u8bbe\u5b9a\u4e86 WiFi \u7684 SSID \u548c\u5bc6\u7801&#xff0c;\u4ee5\u53ca\u521d\u59cb\u5316 LED \u72b6\u6001\u548c\u5f15\u811a\u3002<\/li>\n<li>\u5bf9\u8c61\u5b9e\u4f8b\u5316&#xff1a;\u521b\u5efa\u4e86 AsyncWebServer \u548c AsyncWebSocket \u5bf9\u8c61&#xff0c;\u5206\u522b\u7528\u4e8e HTTP \u670d\u52a1\u548c WebSocket \u901a\u4fe1\u3002<\/li>\n<\/ul>\n<h4>HTML \u9875\u9762\u6a21\u677f<\/h4>\n<p><span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> index_html<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> PROGMEM <span class=\"token operator\">&#061;<\/span> <span class=\"token raw-string string\">R&#034;rawliteral(<br \/>\n    &lt;!DOCTYPE html&gt;<br \/>\n    &lt;html&gt;<br \/>\n    &lt;head&gt;<br \/>\n        &lt;meta name&#061;&#034;viewport&#034; content&#061;&#034;width&#061;device-width, initial-scale&#061;1.0, user-scalable&#061;no&#034;&gt;<br \/>\n        &lt;title&gt;ESP32 WebSocket Server&lt;\/title&gt;<br \/>\n        &lt;style&gt;<br \/>\n            html { font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center; }<br \/>\n            body { margin-top: 50px; }<br \/>\n            h1 { color: #444444; margin: 50px auto; }<br \/>\n            p { font-size: 19px; color: #888; }<br \/>\n            #state { font-weight: bold; color: #444; }<br \/>\n            .switch { margin: 25px auto; width: 80px; }<br \/>\n            .toggle { display: none; }<br \/>\n            .toggle &#043; label { display: block; position: relative; cursor: pointer; outline: 0; user-select: none; padding: 2px; width: 80px; height: 40px; background-color: #ddd; border-radius: 40px; }<br \/>\n            .toggle &#043; label:before, .toggle &#043; label:after { display: block; position: absolute; top: 1px; left: 1px; bottom: 1px; content: &#034;&#034;; }<br \/>\n            .toggle &#043; label:before { right: 1px; background-color: #f1f1f1; border-radius: 40px; transition: background .4s; }<br \/>\n            .toggle &#043; label:after { width: 40px; background-color: #fff; border-radius: 20px; box-shadow: 0 2px 5px rgba(0, 0, 0, .3); transition: margin .4s; }<br \/>\n            .toggle:checked &#043; label:before { background-color: #4285f4; }<br \/>\n            .toggle:checked &#043; label:after { margin-left: 42px; }<br \/>\n            .footer-text { font-size: 30px; }<br \/>\n            .bold-text { font-weight: bold !important; }<br \/>\n        &lt;\/style&gt;<br \/>\n    &lt;\/head&gt;<br \/>\n    &lt;body&gt;<br \/>\n        &lt;h1&gt;ESP32 WebSocket Server&lt;\/h1&gt;<br \/>\n        &lt;div class&#061;&#034;switch&#034;&gt;<br \/>\n            &lt;input id&#061;&#034;toggle-btn&#034; class&#061;&#034;toggle&#034; type&#061;&#034;checkbox&#034; %CHECK%&gt;<br \/>\n            &lt;label for&#061;&#034;toggle-btn&#034;&gt;&lt;\/label&gt;<br \/>\n        &lt;\/div&gt;<br \/>\n        &lt;p&gt;On-board LED: &lt;span id&#061;&#034;state&#034;&gt;%STATE%&lt;\/span&gt;&lt;\/p&gt;<\/p>\n<p>        &lt;script&gt;<br \/>\n            window.addEventListener(&#039;load&#039;, function() {<br \/>\n                var websocket &#061; new WebSocket(&#096;ws:\/\/${window.location.hostname}\/ws&#096;);<br \/>\n                websocket.onopen &#061; function(event) {<br \/>\n                    console.log(&#039;Connection established&#039;);<br \/>\n                }<br \/>\n                websocket.onclose &#061; function(event) {<br \/>\n                    console.log(&#039;Connection died&#039;);<br \/>\n                }<br \/>\n                websocket.onerror &#061; function(error) {<br \/>\n                    console.log(&#039;error&#039;);<br \/>\n                };<br \/>\n                websocket.onmessage &#061; function(event) {<br \/>\n                    if (event.data &#061;&#061; &#034;1&#034;) {<br \/>\n                        document.getElementById(&#039;state&#039;).innerHTML &#061; &#034;ON&#034;;<br \/>\n                        document.getElementById(&#039;toggle-btn&#039;).checked &#061; true;<br \/>\n                    } else {<br \/>\n                        document.getElementById(&#039;state&#039;).innerHTML &#061; &#034;OFF&#034;;<br \/>\n                        document.getElementById(&#039;toggle-btn&#039;).checked &#061; false;<br \/>\n                    }<br \/>\n                };<\/p>\n<p>                document.getElementById(&#039;toggle-btn&#039;).addEventListener(&#039;change&#039;, function() { websocket.send(&#039;toggle&#039;); });<br \/>\n            });<br \/>\n        &lt;\/script&gt;<\/p>\n<p>        &lt;div class&#061;&#034;footer&#034;&gt;<br \/>\n            &lt;p class&#061;&#034;footer-text&#034;&gt;This software was written by &lt;span class&#061;&#034;bold-text&#034;&gt;Grayson Zheng&lt;\/span&gt;.&lt;\/p&gt;<br \/>\n        &lt;\/div&gt;<br \/>\n    &lt;\/body&gt;<br \/>\n    &lt;\/html&gt;<br \/>\n)rawliteral&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<ul>\n<li>HTML \u9875\u9762&#xff1a;\u5b9a\u4e49\u4e86\u4e00\u4e2a\u9759\u6001 HTML \u9875\u9762&#xff0c;\u5305\u542b\u4e86\u6837\u5f0f\u8868\u548c JavaScript \u4ee3\u7801&#xff0c;\u7528\u4e8e\u663e\u793a\u4e00\u4e2a\u5f00\u5173\u6309\u94ae\u6765\u63a7\u5236 LED&#xff0c;\u5e76\u4e14\u901a\u8fc7 WebSocket \u4e0e ESP32 \u8fdb\u884c\u901a\u4fe1\u3002\u6574\u4e2a\u4ee3\u7801\u5c06\u5728\u5ba2\u6237\u7aef\u6267\u884c\u3002<\/li>\n<li>PROGMEM&#xff1a;\u4f7f\u7528 PROGMEM \u5b8f&#xff0c;\u5c06\u5185\u5bb9\u5b58\u50a8\u5728 ESP32 \u7684\u7a0b\u5e8f\u5185\u5b58&#xff08;flash memory&#xff09;\u800c\u4e0d\u662f SRAM \u4e2d&#xff0c;\u4ee5\u4f18\u5316\u5185\u5b58\u3002<\/li>\n<\/ul>\n<h4>WebSocket \u6d88\u606f\u5904\u7406\u51fd\u6570<\/h4>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">handle_websocket_message<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>arg<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint8_t<\/span> <span class=\"token operator\">*<\/span>data<span class=\"token punctuation\">,<\/span> size_t len<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    AwsFrameInfo <span class=\"token operator\">*<\/span>info <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>AwsFrameInfo<span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>arg<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>info<span class=\"token operator\">-&gt;<\/span><span class=\"token keyword\">final<\/span> <span class=\"token operator\">&amp;&amp;<\/span> info<span class=\"token operator\">-&gt;<\/span>index <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">&amp;&amp;<\/span> info<span class=\"token operator\">-&gt;<\/span>len <span class=\"token operator\">&#061;&#061;<\/span> len <span class=\"token operator\">&amp;&amp;<\/span> info<span class=\"token operator\">-&gt;<\/span>opcode <span class=\"token operator\">&#061;&#061;<\/span> WS_TEXT<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        data<span class=\"token punctuation\">[<\/span>len<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">strcmp<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">char<\/span><span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span>data<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;toggle&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            led_state <span class=\"token operator\">&#061;<\/span> <span class=\"token operator\">!<\/span>led_state<span class=\"token punctuation\">;<\/span><br \/>\n            ws<span class=\"token punctuation\">.<\/span><span class=\"token function\">textAll<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">String<\/span><span class=\"token punctuation\">(<\/span>led_state<span class=\"token punctuation\">)<\/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><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<ul>\n<li>\u6d88\u606f\u5904\u7406&#xff1a;\u5f53\u6536\u5230 \u201ctoggle\u201d \u6d88\u606f\u65f6&#xff0c;\u5207\u6362 LED \u72b6\u6001&#xff0c;\u5e76\u5411\u6240\u6709\u8fde\u63a5\u7684\u5ba2\u6237\u7aef\u53d1\u9001\u65b0\u7684 LED \u72b6\u6001\u3002<\/li>\n<\/ul>\n<h4>WebSocket \u4e8b\u4ef6\u5904\u7406\u5668<\/h4>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">event_handler<\/span><span class=\"token punctuation\">(<\/span>AsyncWebSocket <span class=\"token operator\">*<\/span>server<span class=\"token punctuation\">,<\/span> AsyncWebSocketClient <span class=\"token operator\">*<\/span>client<span class=\"token punctuation\">,<\/span><br \/>\n                  AwsEventType type<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>arg<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">uint8_t<\/span> <span class=\"token operator\">*<\/span>data<span class=\"token punctuation\">,<\/span> size_t len<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">switch<\/span> <span class=\"token punctuation\">(<\/span>type<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">case<\/span> WS_EVT_CONNECT<span class=\"token operator\">:<\/span><br \/>\n        Serial<span class=\"token punctuation\">.<\/span><span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;WebSocket client #%u connected from %s\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> client<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">id<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> client<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">remoteIP<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">c_str<\/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 keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">case<\/span> WS_EVT_DISCONNECT<span class=\"token operator\">:<\/span><br \/>\n        Serial<span class=\"token punctuation\">.<\/span><span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;WebSocket client #%u disconnected\\\\n&#034;<\/span><span class=\"token punctuation\">,<\/span> client<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">id<\/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 keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">case<\/span> WS_EVT_DATA<span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token function\">handle_websocket_message<\/span><span class=\"token punctuation\">(<\/span>arg<span class=\"token punctuation\">,<\/span> data<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">digitalWrite<\/span><span class=\"token punctuation\">(<\/span>led_pin<span class=\"token punctuation\">,<\/span> led_state<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">case<\/span> WS_EVT_PONG<span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">case<\/span> WS_EVT_ERROR<span class=\"token operator\">:<\/span><br \/>\n        <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<ul>\n<li>\u4e8b\u4ef6\u5904\u7406&#xff1a;\u6839\u636e\u4e0d\u540c\u7684 WebSocket \u4e8b\u4ef6\u7c7b\u578b&#xff08;\u5982\u8fde\u63a5\u3001\u65ad\u5f00\u3001\u6570\u636e\u63a5\u6536\u7b49&#xff09;\u6267\u884c\u76f8\u5e94\u64cd\u4f5c\u3002\u5177\u4f53\u5982\u4e0b&#xff1a;\n<ul>\n<li>WS_EVT_CONNECT&#xff1a;\u5f53\u65b0\u5ba2\u6237\u7aef\u8fde\u63a5\u5230 WebSocket \u670d\u52a1\u5668\u65f6<\/li>\n<li>WS_EVT_DISCONNECT&#xff1a;\u5f53\u5ba2\u6237\u7aef\u4e0e WebSocket \u670d\u52a1\u5668\u65ad\u5f00\u8fde\u63a5\u65f6<\/li>\n<li>WS_EVT_DATA&#xff1a;\u5f53 WebSocket \u670d\u52a1\u5668\u4ece\u5ba2\u6237\u7aef\u63a5\u6536\u6570\u636e\u65f6<\/li>\n<li>WS_EVT_PONG&#xff1a;\u5f53 WebSocket \u6536\u5230 ping \u8bf7\u6c42\u65f6<\/li>\n<li>WS_EVT_ERROR&#xff1a;\u5f53\u5ba2\u6237\u7aef\u62a5\u544a\u9519\u8bef\u65f6<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>\u53d8\u91cf\u66ff\u6362\u5904\u7406\u5668<\/h4>\n<p>String <span class=\"token function\">processor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">const<\/span> String<span class=\"token operator\">&amp;<\/span> var<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>var <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;STATE&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> led_state <span class=\"token operator\">?<\/span> <span class=\"token string\">&#034;ON&#034;<\/span> <span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;OFF&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>var <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;CHECK&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> led_state <span class=\"token operator\">?<\/span> <span class=\"token string\">&#034;checked&#034;<\/span> <span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token function\">String<\/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<ul>\n<li>\u53d8\u91cf\u66ff\u6362&#xff1a;\u6b64\u51fd\u6570\u7528\u4e8e\u5728\u53d1\u9001 HTML \u9875\u9762\u4e4b\u524d&#xff0c;\u7528\u5b9e\u9645\u7684 LED \u72b6\u6001\u503c\u66ff\u6362 HTML \u4e2d\u7684\u5360\u4f4d\u7b26&#xff08;\u5982 %STATE% \u548c %CHECK%&#xff09;\u3002<\/li>\n<\/ul>\n<h4>\u521d\u59cb\u5316\u8bbe\u7f6e<\/h4>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">setup<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    Serial<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">115200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">pinMode<\/span><span class=\"token punctuation\">(<\/span>led_pin<span class=\"token punctuation\">,<\/span> OUTPUT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">digitalWrite<\/span><span class=\"token punctuation\">(<\/span>led_pin<span class=\"token punctuation\">,<\/span> LOW<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    Serial<span class=\"token punctuation\">.<\/span><span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Connecting to &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    Serial<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span>ssid<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    WiFi<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span>ssid<span class=\"token punctuation\">,<\/span> password<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>WiFi<span class=\"token punctuation\">.<\/span><span class=\"token function\">status<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">!&#061;<\/span> WL_CONNECTED<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">delay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">500<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        Serial<span class=\"token punctuation\">.<\/span><span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;.&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    Serial<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    Serial<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Connected..!&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    Serial<span class=\"token punctuation\">.<\/span><span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Got IP: &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  Serial<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span>WiFi<span class=\"token punctuation\">.<\/span><span class=\"token function\">localIP<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    ws<span class=\"token punctuation\">.<\/span><span class=\"token function\">onEvent<\/span><span class=\"token punctuation\">(<\/span>event_handler<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    server<span class=\"token punctuation\">.<\/span><span class=\"token function\">addHandler<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>ws<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ Route for root \/ web page<\/span><br \/>\n    server<span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/&#034;<\/span><span class=\"token punctuation\">,<\/span> HTTP_GET<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">(<\/span>AsyncWebServerRequest <span class=\"token operator\">*<\/span>request<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n        request<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">send_P<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;text\/html&#034;<\/span><span class=\"token punctuation\">,<\/span> index_html<span class=\"token punctuation\">,<\/span> processor<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\">\/\/ Start server<\/span><br \/>\n    server<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/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<ul>\n<li>\u4e32\u53e3\u914d\u7f6e&#xff1a;\u5f00\u59cb\u4e32\u53e3\u901a\u4fe1&#xff0c;\u6ce2\u7279\u7387\u4e3a 115200bps\u3002<\/li>\n<li>GPIO \u914d\u7f6e&#xff1a;\u8bbe\u7f6e LED \u5f15\u811a\u4e3a\u8f93\u51fa\u6a21\u5f0f&#xff0c;\u5e76\u5c06\u5176\u521d\u59cb\u72b6\u6001\u8bbe\u4e3a\u4f4e\u7535\u5e73\u3002<\/li>\n<li>WiFi \u8fde\u63a5&#xff1a;\u5c1d\u8bd5\u8fde\u63a5\u5230\u6307\u5b9a\u7684 WiFi \u7f51\u7edc&#xff0c;\u5e76\u7b49\u5f85\u76f4\u5230\u8fde\u63a5\u6210\u529f\u3002<\/li>\n<li>WebSocket \u548c\u670d\u52a1\u5668\u914d\u7f6e&#xff1a;\u6ce8\u518c WebSocket \u4e8b\u4ef6\u5904\u7406\u5668&#xff0c;\u6dfb\u52a0 WebSocket \u5904\u7406\u5668\u5230\u670d\u52a1\u5668&#xff0c;\u5e76\u4e3a\u6839\u8def\u5f84\u8bbe\u5b9a HTTP GET \u8bf7\u6c42\u5904\u7406\u5668\u3002<\/li>\n<li>\u542f\u52a8\u670d\u52a1\u5668&#xff1a;\u542f\u52a8\u5f02\u6b65 Web \u670d\u52a1\u5668\u3002<\/li>\n<\/ul>\n<h4>\u4e3b\u5faa\u73af<\/h4>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">loop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    ws<span class=\"token punctuation\">.<\/span><span class=\"token function\">cleanupClients<\/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<ul>\n<li>\u6e05\u7406\u5ba2\u6237\u7aef&#xff1a;\u5b9a\u671f\u68c0\u67e5\u5e76\u6e05\u9664\u4e0d\u518d\u6d3b\u8dc3\u7684 WebSocket \u5ba2\u6237\u7aef\u8fde\u63a5&#xff0c;\u4fdd\u6301\u670d\u52a1\u5668\u5065\u5eb7\u8fd0\u884c\u3002<\/li>\n<\/ul>\n<h2>\u6548\u679c\u6f14\u793a<\/h2>\n<p>\u628a\u4ee3\u7801\u4e0b\u8f7d\u5230\u7a0b\u5e8f\u540e&#xff0c;\u53ef\u4ee5\u5728\u4e32\u53e3\u76d1\u89c6\u5668\u4e2d\u770b\u5230\u4fe1\u606f\u8f93\u51fa&#xff08;\u5982\u679c\u6ca1\u6709\u8f93\u51fa&#xff0c;\u53ef\u4ee5\u6309\u4e00\u4e0b\u590d\u4f4d\u6309\u94ae&#xff09;&#xff0c;ESP32 \u5982\u679c\u8fde\u63a5 WiFi \u6210\u529f&#xff0c;\u8def\u7531\u5668\u4f1a\u5206\u914d\u4e00\u4e2a IP&#xff0c;\u5176\u5b9e\u5c31\u662f\u7528\u4e86 STA \u6a21\u5f0f\u5165\u7f51\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419041646-680323ae75d5b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u5728\u6d4f\u89c8\u5668\u8f93\u5165 ESP32 \u7684 IP \u5730\u5740\u5e76\u56de\u8f66&#xff0c;\u5c31\u53ef\u4ee5\u770b\u5230\u5bf9\u5e94\u7684 Web \u754c\u9762\u4e86\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250419041647-680323af64d0c.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u5177\u4f53\u7684\u6f14\u793a\u6548\u679c\u5982\u4e0b&#xff1a;<\/p>\n<\/p>\n<\/p>\n<h2>\u4ee3\u7801\u94fe\u63a5<\/h2>\n<p>GitHub&#xff1a;Simple_ESP32_Web_Server\/ESP32_WebSocket at main \u00b7 zhengxinyu13\/Simple_ESP32_Web_Server<\/p>\n<p>Gitee&#xff1a;ESP32_WebSocket \u00b7 Grayson_Zheng\/Simple_ESP32_Web_Server<\/p>\n<p>GitCode&#xff1a;Simple_ESP32_Web_Server &#8211; GitCode<\/p>\n<p>\u4e0d\u4f1a\u4f7f\u7528 git \u547d\u4ee4\u514b\u9686\u4ee3\u7801\u7684\u5c0f\u4f19\u4f34&#xff0c;\u53ef\u4ee5\u5728\u6211\u4e3b\u9875\u627e\u5230\u6211\u52a9\u7406\u7684\u5730\u7403\u53f7&#xff0c;\u6216\u8005\u76f4\u63a5\u770b\u4e0b\u9762&#xff0c;\u627e\u6211\u7684\u52a9\u7406\u9886\u53d6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.7k\u6b21\uff0c\u70b9\u8d5e32\u6b21\uff0c\u6536\u85cf30\u6b21\u3002WebSocket \u662f\u4e00\u79cd\u901a\u4fe1\u534f\u8bae\u7684\u540d\u79f0\uff0c\u5b83\u652f\u6301\u5ba2\u6237\u7aef\u548c Web \u670d\u52a1\u5668\u4e4b\u95f4\u7684\u53cc\u5411\uff08\u66f4\u51c6\u786e\u5730\u8bf4\u662f\u5168\u53cc\u5de5\uff09\u901a\u4fe1\u3002\u7b80\u5355\u5730\u8bf4\uff0cWebSocket \u662f\u4e00\u79cd\u5141\u8bb8\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5\u7684\u6280\u672f\uff0c\u901a\u8fc7\u8be5\u8fde\u63a5\uff0c\u4efb\u4f55\u4e00\u65b9\u90fd\u53ef\u4ee5\u968f\u65f6\u5411\u53e6\u4e00\u65b9\u53d1\u9001\u6d88\u606f\u3002\u8fd9\u4e0e\u5e38\u89c4 HTTP \u8fde\u63a5\u4e0d\u540c\uff0c\u5728\u5e38\u89c4 HTTP \u8fde\u63a5\u4e2d\uff0c\u5ba2\u6237\u7aef\u53d1\u8d77\u8bf7\u6c42\uff0c\u670d\u52a1\u5668\u53d1\u9001\u54cd\u5e94\uff0c\u7136\u540e\u8fde\u63a5\u7ec8\u6b62\u3002\u4e8b\u5b9e\u4e0a\uff0cWebSocket \u662f\u4e00\u79cd\u5b8c\u5168\u4e0d\u540c\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5f53\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5\u65f6\uff0c\u8fde\u63a5\u7684\u4e24\u7aef\u90fd\u53ef\u4ee5\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002\u56e0\u6b64\uff0c\u5c31\u50cf\u670d\u52a1\u5668\u6b63\u5728\u4fa6\u542c\u65b0\u6d88\u606f\u4e00\u6837\uff0c\u6240\u6709\u8fde\u63a5\u7684\u5ba2\u6237\u7aef\u4e5f\u5728\u79ef\u6781\u4fa6\u542c\u3002_arduino websocket<\/p>\n","protected":false},"author":2,"featured_media":25358,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[181,55,179,1990,977],"topic":[],"class_list":["post-25365","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-arduino","tag-c","tag-esp32","tag-1990","tag-977"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - 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