{"id":15054,"date":"2025-04-18T21:42:41","date_gmt":"2025-04-18T13:42:41","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/15054.html"},"modified":"2025-04-18T21:42:41","modified_gmt":"2025-04-18T13:42:41","slug":"esp32%e6%95%99%e7%a8%8b%ef%bc%88%e5%9f%ba%e4%ba%8earduino-ide%ef%bc%899-%e5%bc%82%e6%ad%a5%e7%bd%91%e9%a1%b5%e6%9c%8d%e5%8a%a1%e5%99%a8-asynchronous-web-server%ef%bc%88dht11","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/15054.html","title":{"rendered":"ESP32\u6559\u7a0b\uff08\u57fa\u4e8eArduino IDE\uff099 - \u5f02\u6b65\u7f51\u9875\u670d\u52a1\u5668 Asynchronous Web Server\uff08DHT11)"},"content":{"rendered":"<p>ESP32\u6559\u7a0b\u7cfb\u5217 1 &#8211; \u8ba4\u8bc6ESP32 2 &#8211; Arduino IDE\u5b89\u88c5&amp;\u914d\u7f6e 3 &#8211; \u57fa\u672c\u64cd\u4f5c 4 &#8211; WiFi\u914d\u7f51 5 &#8211; WebServer\u2460 6 &#8211; Web Server\u2461\u63a7\u5236\u8f93\u51fa 7 &#8211; Web Server\u2462 HTML&amp;CSS\u57fa\u7840 8 &#8211; Web Server\u2463 \u5728Arduinio\u4e2d\u6dfb\u52a0HTML&amp;CSS 9 &#8211; \u5f02\u6b65\u7f51\u9875\u670d\u52a1\u5668 Asynchronous Web Server&#xff08;DHT11) 10 &#8211; OTA ESP32\u65e0\u7ebf\u5347\u7ea7,\u544a\u522b\u6570\u636e\u7ebf<\/p>\n<p>ESP32\u5b9e\u6218\u7cfb\u5217 WiFi\u9065\u63a7\u5c0f\u8f66<\/p>\n<p>ESP32 Homekit\u7cfb\u5217 Homekit &amp; Homespan\u4ecb\u7ecd \u70b9\u4eae\u4e00\u9897LED \u8c03\u8282LED\u4eae\u5ea6<\/p>\n<h2>\u4e00\u3001 \u662f\u5f02\u6b65\u7f51\u9875\u670d\u52a1\u5668&#xff08;Asynchronous Web Server&#xff09;<\/h2>\n<li>\n<p>\u5b9a\u4e49<\/p>\n<ul>\n<li>Asynchronous Web Server&#xff08;\u5f02\u6b65Web\u670d\u52a1\u5668&#xff09;\u662f\u4e00\u79cd\u7f51\u7edc\u670d\u52a1\u5668\u67b6\u6784\u3002\u4e0e\u4f20\u7edf\u7684\u540c\u6b65Web\u670d\u52a1\u5668\u4e0d\u540c&#xff0c;\u5b83\u91c7\u7528\u5f02\u6b65\u7684\u65b9\u5f0f\u6765\u5904\u7406\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u3002\u5728\u5f02\u6b65\u6a21\u578b\u4e2d&#xff0c;\u670d\u52a1\u5668\u5728\u5904\u7406\u4e00\u4e2a\u8bf7\u6c42\u65f6&#xff0c;\u4e0d\u4f1a\u963b\u585e\u5176\u4ed6\u8bf7\u6c42\u7684\u5904\u7406\u3002\u4f8b\u5982&#xff0c;\u5f53\u4e00\u4e2a\u8bf7\u6c42\u9700\u8981\u7b49\u5f85\u67d0\u4e2a\u8017\u65f6\u7684\u64cd\u4f5c&#xff08;\u5982\u4ece\u6570\u636e\u5e93\u8bfb\u53d6\u6570\u636e\u3001\u7b49\u5f85\u5916\u90e8\u8bbe\u5907\u54cd\u5e94\u7b49&#xff09;\u5b8c\u6210\u65f6&#xff0c;\u670d\u52a1\u5668\u53ef\u4ee5\u5148\u53bb\u5904\u7406\u5176\u4ed6\u7684\u8bf7\u6c42&#xff0c;\u800c\u4e0d\u662f\u4e00\u76f4\u7b49\u5f85\u8fd9\u4e2a\u64cd\u4f5c\u7ed3\u675f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5de5\u4f5c\u539f\u7406<\/p>\n<ul>\n<li>\u4e8b\u4ef6\u9a71\u52a8\u673a\u5236\n<ul>\n<li>\u5f02\u6b65Web\u670d\u52a1\u5668\u57fa\u4e8e\u4e8b\u4ef6\u9a71\u52a8\u6765\u5de5\u4f5c\u3002\u5b83\u4f1a\u76d1\u542c\u5404\u79cd\u4e8b\u4ef6&#xff0c;\u5982\u5ba2\u6237\u7aef\u8fde\u63a5\u8bf7\u6c42\u3001\u6570\u636e\u53d1\u9001\u8bf7\u6c42\u3001\u6570\u636e\u63a5\u6536\u8bf7\u6c42\u7b49\u3002\u5f53\u4e00\u4e2a\u4e8b\u4ef6\u53d1\u751f\u65f6&#xff0c;\u4f8b\u5982\u6709\u65b0\u7684\u5ba2\u6237\u7aef\u5c1d\u8bd5\u8fde\u63a5\u5230\u670d\u52a1\u5668&#xff0c;\u670d\u52a1\u5668\u4f1a\u89e6\u53d1\u76f8\u5e94\u7684\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u6765\u5904\u7406\u8fd9\u4e2a\u8fde\u63a5\u3002<\/li>\n<li>\u4ee5ESP32\u7684Asynchronous Web Server\u4e3a\u4f8b&#xff0c;\u5f53\u6709HTTP\u8bf7\u6c42\u5230\u8fbe\u65f6&#xff0c;\u5b83\u4f1a\u89e6\u53d1\u4e00\u4e2a\u201c\u8bf7\u6c42\u63a5\u6536\u201d\u4e8b\u4ef6\u3002\u8fd9\u4e2a\u4e8b\u4ef6\u4f1a\u88ab\u6dfb\u52a0\u5230\u4e8b\u4ef6\u961f\u5217\u4e2d&#xff0c;\u670d\u52a1\u5668\u4f1a\u6839\u636e\u4e8b\u4ef6\u961f\u5217\u4e2d\u7684\u4efb\u52a1\u4f18\u5148\u7ea7\u7b49\u56e0\u7d20\u6765\u51b3\u5b9a\u4f55\u65f6\u5904\u7406\u8fd9\u4e2a\u8bf7\u6c42\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u975e\u963b\u585eI\/O\u64cd\u4f5c\n<ul>\n<li>\u5728\u5904\u7406\u8bf7\u6c42\u7684\u8fc7\u7a0b\u4e2d&#xff0c;\u5f02\u6b65Web\u670d\u52a1\u5668\u4f7f\u7528\u975e\u963b\u585eI\/O\u64cd\u4f5c\u3002\u6bd4\u5982&#xff0c;\u5f53\u9700\u8981\u4ece\u6587\u4ef6\u7cfb\u7edf\u8bfb\u53d6\u7f51\u9875\u6587\u4ef6\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\u65f6&#xff0c;\u5b83\u4e0d\u4f1a\u50cf\u540c\u6b65\u670d\u52a1\u5668\u90a3\u6837\u4e00\u76f4\u7b49\u5f85\u6587\u4ef6\u8bfb\u53d6\u5b8c\u6210\u3002\u800c\u662f\u53d1\u51fa\u8bfb\u53d6\u8bf7\u6c42\u540e&#xff0c;\u7ee7\u7eed\u5904\u7406\u5176\u4ed6\u4e8b\u52a1\u3002\u5f53\u6587\u4ef6\u8bfb\u53d6\u5b8c\u6210\u65f6&#xff0c;\u4f1a\u4ea7\u751f\u4e00\u4e2a\u201c\u6587\u4ef6\u8bfb\u53d6\u5b8c\u6210\u201d\u7684\u4e8b\u4ef6&#xff0c;\u670d\u52a1\u5668\u518d\u56de\u8fc7\u5934\u6765\u5904\u7406\u8fd9\u4e2a\u4e8b\u4ef6&#xff0c;\u5c06\u8bfb\u53d6\u5230\u7684\u6587\u4ef6\u5185\u5bb9\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef\u3002<\/li>\n<li>\u5047\u8bbe\u670d\u52a1\u5668\u8981\u4ece\u4e00\u4e2a\u4f20\u611f\u5668\u8bfb\u53d6\u6570\u636e\u5e76\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3002\u5728\u5f02\u6b65\u6a21\u5f0f\u4e0b&#xff0c;\u5b83\u4f1a\u53d1\u9001\u8bfb\u53d6\u4f20\u611f\u5668\u6570\u636e\u7684\u6307\u4ee4&#xff0c;\u7136\u540e\u53ef\u4ee5\u53bb\u5904\u7406\u5176\u4ed6\u8bf7\u6c42\u3002\u5f53\u4f20\u611f\u5668\u6570\u636e\u8bfb\u53d6\u5b8c\u6210\u540e&#xff0c;\u4f1a\u89e6\u53d1\u4e00\u4e2a\u4e8b\u4ef6&#xff0c;\u544a\u77e5\u670d\u52a1\u5668\u6570\u636e\u5df2\u51c6\u5907\u597d&#xff0c;\u6b64\u65f6\u670d\u52a1\u5668\u5c31\u53ef\u4ee5\u5c06\u6570\u636e\u53d1\u9001\u7ed9\u7b49\u5f85\u7684\u5ba2\u6237\u7aef\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u4f18\u52bf<\/p>\n<ul>\n<li>\u9ad8\u5e76\u53d1\u5904\u7406\u80fd\u529b\n<ul>\n<li>\u80fd\u591f\u540c\u65f6\u5904\u7406\u591a\u4e2a\u5ba2\u6237\u7aef\u8bf7\u6c42&#xff0c;\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u541e\u5410\u91cf\u3002\u5728\u7269\u8054\u7f51\u73af\u5883\u4e2d&#xff0c;\u53ef\u80fd\u6709\u591a\u4e2a\u5ba2\u6237\u7aef&#xff08;\u5982\u591a\u4e2a\u7528\u6237\u901a\u8fc7\u6d4f\u89c8\u5668\u8bbf\u95ee\u8bbe\u5907\u72b6\u6001&#xff0c;\u6216\u8005\u591a\u4e2a\u8bbe\u5907\u5411\u670d\u52a1\u5668\u53d1\u9001\u6570\u636e&#xff09;\u540c\u65f6\u4e0e\u670d\u52a1\u5668\u4ea4\u4e92\u3002\u5f02\u6b65Web\u670d\u52a1\u5668\u53ef\u4ee5\u6709\u6548\u5730\u5904\u7406\u8fd9\u4e9b\u5e76\u53d1\u8bf7\u6c42&#xff0c;\u800c\u4e0d\u4f1a\u56e0\u4e3a\u67d0\u4e2a\u8bf7\u6c42\u7684\u957f\u65f6\u95f4\u7b49\u5f85\u800c\u5f71\u54cd\u5176\u4ed6\u8bf7\u6c42\u7684\u5904\u7406\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u8d44\u6e90\u9ad8\u6548\u5229\u7528\n<ul>\n<li>\u7531\u4e8e\u4e0d\u4f1a\u963b\u585e\u5728\u7b49\u5f85\u64cd\u4f5c\u4e0a&#xff0c;\u670d\u52a1\u5668\u7684\u8d44\u6e90&#xff08;\u5982CPU\u65f6\u95f4\u3001\u5185\u5b58\u7b49&#xff09;\u53ef\u4ee5\u5f97\u5230\u66f4\u5145\u5206\u7684\u5229\u7528\u3002\u4f8b\u5982&#xff0c;\u5728\u7b49\u5f85\u5916\u90e8\u8bbe\u5907\u54cd\u5e94\u7684\u8fc7\u7a0b\u4e2d&#xff0c;\u670d\u52a1\u5668\u53ef\u4ee5\u5904\u7406\u5176\u4ed6\u7684\u4efb\u52a1&#xff0c;\u51cf\u5c11\u4e86\u8d44\u6e90\u95f2\u7f6e\u7684\u65f6\u95f4\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u5b9e\u65f6\u54cd\u5e94\u6027\u597d\n<ul>\n<li>\u53ef\u4ee5\u66f4\u5feb\u5730\u5bf9\u5ba2\u6237\u7aef\u8bf7\u6c42\u505a\u51fa\u54cd\u5e94&#xff0c;\u7279\u522b\u662f\u5bf9\u4e8e\u4e00\u4e9b\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8\u7684\u5e94\u7528\u573a\u666f\u3002\u6bd4\u5982\u5b9e\u65f6\u6570\u636e\u63a8\u9001&#xff0c;\u5f53\u6709\u65b0\u7684\u6570\u636e\u4ea7\u751f&#xff08;\u5982\u4f20\u611f\u5668\u6570\u636e\u53d8\u5316&#xff09;&#xff0c;\u670d\u52a1\u5668\u53ef\u4ee5\u53ca\u65f6\u5c06\u6570\u636e\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef&#xff0c;\u800c\u4e0d\u9700\u8981\u5ba2\u6237\u7aef\u9891\u7e41\u5730\u8be2\u95ee\u662f\u5426\u6709\u65b0\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<h2>\u4e8c\u3001 ESP32 \u5f02\u6b65\u7f51\u9875\u670d\u52a1\u5668 &#8211; \u6e29\u6e7f\u5ea6\u8ba1Demo<\/h2>\n<p>\u4e0a\u9762\u7684\u6587\u5b57\u63cf\u8ff0&#xff0c;\u4e0d\u5982\u52a8\u624b\u5b9e\u8df5\u6765\u7406\u89e3\u3002\u505a\u4e00\u4e2a\u5e38\u89c1\u7684DHT11\u7684\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668\u7684Demo\u3002<\/p>\n<p>\u76ee\u6807 \u5982\u4e0b\u56fe&#xff0c;\u5728\u7f51\u9875\u7aef\u663e\u793a\u6e29\u6e7f\u5ea6\u6570\u636e&#xff0c;\u5e76\u80fd\u81ea\u4e3b\u5b9e\u65f6\u66f4\u65b0\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418134240-680256d037548.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u9700\u8981\u4f7f\u7528\u5230\u7684\u5e93&#xff1a;DHT_sensor&#xff0c;ESPAsyncWebServer \u5f53\u901a\u8fc7\u81ea\u5e26\u7684IDE\u5b89\u88c5ESPAsyncWebServer\u5e93\u65f6&#xff0c;\u4f1a\u8bae\u6709\u4e0b\u8ff0\u63d0\u793a&#xff0c;\u76f4\u63a5\u70b9\u51fb\u5168\u90e8\u5b89\u88c5\u5373\u53ef\u3002<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418134240-680256d04ed83.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u5148\u4e0a\u4ee3\u7801<\/p>\n<p><span class=\"token comment\">\/\/ \u5bfc\u5165\u6240\u9700\u7684\u5e93<\/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\">&#034;WiFi.h&#034;<\/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\">&#034;ESPAsyncWebServer.h&#034;<\/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;Adafruit_Sensor.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;DHT.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;&#034;<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u4f60\u7684WiFi ssid<\/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;&#034;<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u4f60\u7684WiFi\u5bc6\u7801<\/span><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">DHTPIN<\/span> <span class=\"token expression\"><span class=\"token number\">13<\/span>    <\/span><span class=\"token comment\">\/\/ DHT\u4f20\u611f\u5668\u8fde\u63a5\u7684\u6570\u5b57\u5f15\u811a<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6839\u636e\u4f60\u7684DHT\u4f20\u611f\u5668\u6ce8\u91ca\u6389\u65e0\u5173\u7684\u578b\u53f7\u4ee3\u7801<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">define<\/span> <span class=\"token macro-name\">DHTTYPE<\/span>    <span class=\"token expression\">DHT11     <\/span><span class=\"token comment\">\/\/ DHT 11<\/span><\/span><br \/>\n<span class=\"token comment\">\/\/#define DHTTYPE    DHT22     \/\/ DHT 22 (AM2302)<\/span><br \/>\n<span class=\"token comment\">\/\/#define DHTTYPE    DHT21     \/\/ DHT 21 (AM2301)<\/span><\/p>\n<p>DHT <span class=\"token function\">dht<\/span><span class=\"token punctuation\">(<\/span>DHTPIN<span class=\"token punctuation\">,<\/span> DHTTYPE<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5728\u7aef\u53e380\u4e0a\u521b\u5efaAsyncWebServer\u5bf9\u8c61<\/span><br \/>\nAsyncWebServer <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><\/p>\n<p><span class=\"token comment\">\/\/\u8bfb\u53d6\u6e29\u5ea6\u4fe1\u606f<\/span><br \/>\nString <span class=\"token function\">readDHTTemperature<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ DHT\u7cfb\u5217\u4f20\u611f\u5668\u901f\u5ea6\u8f83\u6162&#xff0c;\u8bfb\u53d6\u53ef\u80fd\u6700\u591a\u5ef6\u8fdf2\u79d2<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u4ee5\u6444\u6c0f\u5ea6\u8bfb\u53d6\u6e29\u5ea6&#xff08;\u9ed8\u8ba4&#xff09;<\/span><br \/>\n  <span class=\"token keyword\">float<\/span> t <span class=\"token operator\">&#061;<\/span> dht<span class=\"token punctuation\">.<\/span><span class=\"token function\">readTemperature<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u68c0\u67e5\u8bfb\u53d6\u662f\u5426\u5931\u8d25\u5e76\u63d0\u524d\u9000\u51fa&#xff08;\u5c1d\u8bd5\u91cd\u65b0\u8bfb\u53d6&#xff09;\u3002<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">isnan<\/span><span class=\"token punctuation\">(<\/span>t<span class=\"token punctuation\">)<\/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;\u65e0\u6cd5\u4eceDHT\u4f20\u611f\u5668\u8bfb\u53d6\u6570\u636e&#xff01;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;&#8211;&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token keyword\">else<\/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>t<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token function\">String<\/span><span class=\"token punctuation\">(<\/span>t<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 comment\">\/\/\u8bfb\u53d6\u6e7f\u5ea6\u4fe1\u606f<\/span><br \/>\nString <span class=\"token function\">readDHTHumidity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">float<\/span> h <span class=\"token operator\">&#061;<\/span> dht<span class=\"token punctuation\">.<\/span><span class=\"token function\">readHumidity<\/span><span class=\"token punctuation\">(<\/span><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 function\">isnan<\/span><span class=\"token punctuation\">(<\/span>h<span class=\"token punctuation\">)<\/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;\u65e0\u6cd5\u4eceDHT\u4f20\u611f\u5668\u8bfb\u53d6\u6570\u636e&#xff01;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;&#8211;&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token keyword\">else<\/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>h<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token function\">String<\/span><span class=\"token punctuation\">(<\/span>h<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 comment\">\/\/\u7f51\u9875\u7aef\u4ee3\u7801<\/span><br \/>\n<span class=\"token comment\">\/\/  &lt;meta charset&#061;&#034;UTF-8&#034;&gt;\u4ee3\u7801\u4e3a\u907f\u514d\u4e2d\u6587\u5728\u663e\u793a\u65f6\u51fa\u73b0\u4e71\u7801<\/span><br \/>\n<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> R&#034;<span class=\"token function\">rawliteral<\/span><span class=\"token punctuation\">(<\/span><br \/>\n<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">!<\/span>DOCTYPE HTML<span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&lt;<\/span>html<span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token operator\">&lt;<\/span>head<span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token operator\">&lt;<\/span>meta charset<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;UTF-8&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token operator\">&lt;<\/span>meta name<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;viewport&#034;<\/span> content<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;width&#061;device-width, initial-scale&#061;1&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token operator\">&lt;<\/span>link rel<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;stylesheet&#034;<\/span> href<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;https:\/\/use.fontawesome.com\/releases\/v5.7.2\/css\/all.css&#034;<\/span> integrity<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;sha384-fnmOCqbTlWIlj8LyTjo7mOUStjsKC4pOpQbqyi7RrhN7udi9RwhKkMHpvLbHG9Sr&#034;<\/span> crossorigin<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;anonymous&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token operator\">&lt;<\/span>style<span class=\"token operator\">&gt;<\/span><br \/>\n    html <span class=\"token punctuation\">{<\/span><br \/>\n     font<span class=\"token operator\">&#8211;<\/span>family<span class=\"token operator\">:<\/span> Arial<span class=\"token punctuation\">;<\/span><br \/>\n     display<span class=\"token operator\">:<\/span> <span class=\"token keyword\">inline<\/span><span class=\"token operator\">&#8211;<\/span>block<span class=\"token punctuation\">;<\/span><br \/>\n     margin<span class=\"token operator\">:<\/span> <span class=\"token number\">0<\/span>px <span class=\"token keyword\">auto<\/span><span class=\"token punctuation\">;<\/span><br \/>\n     text<span class=\"token operator\">&#8211;<\/span>align<span class=\"token operator\">:<\/span> center<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    h2 <span class=\"token punctuation\">{<\/span> font<span class=\"token operator\">&#8211;<\/span>size<span class=\"token operator\">:<\/span> <span class=\"token number\">3.0<\/span>rem<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n    p <span class=\"token punctuation\">{<\/span> font<span class=\"token operator\">&#8211;<\/span>size<span class=\"token operator\">:<\/span> <span class=\"token number\">3.0<\/span>rem<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">.<\/span>units <span class=\"token punctuation\">{<\/span> font<span class=\"token operator\">&#8211;<\/span>size<span class=\"token operator\">:<\/span> <span class=\"token number\">1.2<\/span>rem<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">.<\/span>dht<span class=\"token operator\">&#8211;<\/span>labels<span class=\"token punctuation\">{<\/span><br \/>\n      font<span class=\"token operator\">&#8211;<\/span>size<span class=\"token operator\">:<\/span> <span class=\"token number\">1.5<\/span>rem<span class=\"token punctuation\">;<\/span><br \/>\n      vertical<span class=\"token operator\">&#8211;<\/span>align<span class=\"token operator\">:<\/span>middle<span class=\"token punctuation\">;<\/span><br \/>\n      padding<span class=\"token operator\">&#8211;<\/span>bottom<span class=\"token operator\">:<\/span> <span class=\"token number\">15<\/span>px<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>style<span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>head<span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token operator\">&lt;<\/span>body<span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token operator\">&lt;<\/span>h2<span class=\"token operator\">&gt;<\/span>ESP32 DHT \u670d\u52a1\u5668<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>h2<span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token operator\">&lt;<\/span>p<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>i class<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;fas fa-thermometer-half&#034;<\/span> style<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;color:#059e8a;&#034;<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>i<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>span class<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;dht-labels&#034;<\/span><span class=\"token operator\">&gt;<\/span>\u6e29\u5ea6<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>span<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>span id<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;temperature&#034;<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">%<\/span>TEMPERATURE<span class=\"token operator\">%<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>span<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>sup class<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;units&#034;<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&amp;<\/span>deg<span class=\"token punctuation\">;<\/span>C<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>sup<span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>p<span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token operator\">&lt;<\/span>p<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>i class<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;fas fa-tint&#034;<\/span> style<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;color:#00add6;&#034;<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>i<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>span class<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;dht-labels&#034;<\/span><span class=\"token operator\">&gt;<\/span>\u6e7f\u5ea6<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>span<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>span id<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;humidity&#034;<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">%<\/span>HUMIDITY<span class=\"token operator\">%<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>span<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>sup class<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;units&#034;<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&amp;<\/span>percnt<span class=\"token punctuation\">;<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>sup<span class=\"token operator\">&gt;<\/span><br \/>\n  <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>p<span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>body<span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token operator\">&lt;<\/span>script<span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token function\">setInterval<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">function<\/span> <span class=\"token punctuation\">(<\/span> <span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  var xhttp <span class=\"token operator\">&#061;<\/span> new <span class=\"token function\">XMLHttpRequest<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  xhttp<span class=\"token punctuation\">.<\/span>onreadystatechange <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">function<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>this<span class=\"token punctuation\">.<\/span>readyState <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">4<\/span> <span class=\"token operator\">&amp;&amp;<\/span> this<span class=\"token punctuation\">.<\/span>status <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      document<span class=\"token punctuation\">.<\/span><span class=\"token function\">getElementById<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;temperature&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>innerHTML <span class=\"token operator\">&#061;<\/span> this<span class=\"token punctuation\">.<\/span>responseText<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  xhttp<span class=\"token punctuation\">.<\/span><span class=\"token function\">open<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;GET&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/temperature&#034;<\/span><span class=\"token punctuation\">,<\/span> true<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  xhttp<span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/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> <span class=\"token number\">10000<\/span> <span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token function\">setInterval<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">function<\/span> <span class=\"token punctuation\">(<\/span> <span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  var xhttp <span class=\"token operator\">&#061;<\/span> new <span class=\"token function\">XMLHttpRequest<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  xhttp<span class=\"token punctuation\">.<\/span>onreadystatechange <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">function<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>this<span class=\"token punctuation\">.<\/span>readyState <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">4<\/span> <span class=\"token operator\">&amp;&amp;<\/span> this<span class=\"token punctuation\">.<\/span>status <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      document<span class=\"token punctuation\">.<\/span><span class=\"token function\">getElementById<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;humidity&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>innerHTML <span class=\"token operator\">&#061;<\/span> this<span class=\"token punctuation\">.<\/span>responseText<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  xhttp<span class=\"token punctuation\">.<\/span><span class=\"token function\">open<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;GET&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/humidity&#034;<\/span><span class=\"token punctuation\">,<\/span> true<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  xhttp<span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/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> <span class=\"token number\">10000<\/span> <span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>script<span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>html<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">)<\/span>rawliteral&#034;<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u4f7f\u7528DHT\u503c\u66ff\u6362\u5360\u4f4d\u7b26<\/span><br \/>\nString <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><span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/Serial.println(var);<\/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;TEMPERATURE&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token function\">readDHTTemperature<\/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  <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>var <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;HUMIDITY&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token function\">readDHTHumidity<\/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  <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<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">setup<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u7528\u4e8e\u8c03\u8bd5\u7684\u4e32\u53e3<\/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  dht<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>  <span class=\"token comment\">\/\/dht\u4f20\u611f\u5668\u521d\u59cb\u5316<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u8fde\u63a5\u5230Wi-Fi<\/span><br \/>\n  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><br \/>\n  <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\">1000<\/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;\u6b63\u5728\u8fde\u63a5\u5230WiFi&#8230;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u6253\u5370ESP32\u672c\u5730IP\u5730\u5740<\/span><br \/>\n  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>  <span class=\"token comment\">\/\/ \u8def\u7531\u6839\u76ee\u5f55\/\u7f51\u9875<\/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><br \/>\n  server<span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/temperature&#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\/plain&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">readDHTTemperature<\/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 punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/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;\/humidity&#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\/plain&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">readDHTHumidity<\/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 punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u542f\u52a8\u670d\u52a1\u5668<\/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<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">loop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4e0a\u8ff0\u4ee3\u7801\u5728\u7f16\u8bd1\u540e\u540e\u53ef\u80fd\u4f1a\u4ee5\u4e0b\u9519\u8bef\u3002<\/p>\n<p>\u8bf4\u8fd9\u4e2a\u6587\u4ef6\\\\ESPAsyncWebServer\\\\src\\\\WebAuthentication.cpp\u7684\u51fd\u6570\u6709\u8bef<\/p>\n<p>Documents\\\\Arduino\\\\libraries\\\\ESPAsyncWebServer\\\\src\\\\WebAuthentication.cpp:75:3: error: \u2018mbedtls_md5_update_ret\u2019 was not declared in this scope; did you mean \u2018mbedtls_md5_update\u2019? 75 | mbedtls_md5_update_ret(&amp;_ctx, data, len); | ^~~~~~~~~~~~~~~~~~~~~~ | mbedtls_md5_update \\\\Documents\\\\Arduino\\\\libraries\\\\ESPAsyncWebServer\\\\src\\\\WebAuthentication.cpp:76:3: error: \u2018mbedtls_md5_finish_ret\u2019 was not declared in this scope; did you mean \u2018mbedtls_md5_finish\u2019? 76 | mbedtls_md5_finish_ret(&amp;_ctx, _buf); | ^~~~~~~~~~~~~~~~~~~~~~ | mbedtls_md5_finish<\/p>\n<p>exit status 1<\/p>\n<p>\u8fd9\u4e2abug\u4fee\u590d\u65b9\u6cd5\u67092\u4e2a&#xff0c;1\u662f\u66f4\u65b0\u5f00\u53d1\u677f\u7684\u6838\u5fc3\u5e93\u6216\u8005\u66f4\u65b0ESPAsyncWebServer\u5e93 2\u662f\u624b\u52a8\u4fee\u6539\u5e26\u4ee3\u7801\u3002 \u627e\u5230ESPAsyncWebServer\\\\src\\\\WebAuthentication.cpp\u8fd9\u4e2a\u6587\u4ef6<\/p>\n<p>\u5c06\u4e0b\u8ff0\u51fd\u6570\u540d\u79f0\u91cc_ret\u5220\u9664\u5373\u53ef\u3002<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">ifdef<\/span> <span class=\"token expression\">ESP32<\/span><\/span><br \/>\n  <span class=\"token function\">mbedtls_md5_init_ret<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>_ctx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token function\">mbedtls_md5_starts_ret<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>_ctx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token function\">mbedtls_md5_update_ret<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>_ctx<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\">mbedtls_md5_finish_ret<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>_ctx<span class=\"token punctuation\">,<\/span> _buf<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u6765\u770b\u770b\u5404\u90e8\u5206\u4ee3\u7801\u7684\u5de5\u4f5c\u539f\u7406<\/p>\n<h4>\u8bfb\u53d6\u6e29\u6e7f\u5ea6<\/h4>\n<p>String <span class=\"token function\">readDHTTemperature<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/ DHT\u7cfb\u5217\u4f20\u611f\u5668\u901f\u5ea6\u8f83\u6162&#xff0c;\u8bfb\u53d6\u53ef\u80fd\u6700\u591a\u5ef6\u8fdf2\u79d2<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u4ee5\u6444\u6c0f\u5ea6\u8bfb\u53d6\u6e29\u5ea6&#xff08;\u9ed8\u8ba4&#xff09;<\/span><br \/>\n  <span class=\"token keyword\">float<\/span> t <span class=\"token operator\">&#061;<\/span> dht<span class=\"token punctuation\">.<\/span><span class=\"token function\">readTemperature<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token comment\">\/\/ \u68c0\u67e5\u8bfb\u53d6\u662f\u5426\u5931\u8d25\u5e76\u63d0\u524d\u9000\u51fa&#xff08;\u5c1d\u8bd5\u91cd\u65b0\u8bfb\u53d6&#xff09;\u3002<\/span><br \/>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">isnan<\/span><span class=\"token punctuation\">(<\/span>t<span class=\"token punctuation\">)<\/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;\u65e0\u6cd5\u4eceDHT\u4f20\u611f\u5668\u8bfb\u53d6\u6570\u636e&#xff01;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;&#8211;&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token keyword\">else<\/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>t<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token function\">String<\/span><span class=\"token punctuation\">(<\/span>t<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>readTemperature()\u4e3a\u8bfb\u53d6\u6e29\u5ea6\u7684\u51fd\u6570 isnan(t)\u51fd\u6570\u7528\u4e8e\u68c0\u67e5\u6570\u503c\u662f\u5426\u662f \u201cNaN\u201d&#xff08;Not a Number&#xff09;\u3002\u8fd9\u4e2a\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u5e03\u5c14\u503c&#xff0c;\u901a\u5e38\u7528\u4e8e\u5224\u65ad\u4f20\u611f\u5668\u8bfb\u53d6\u6216\u6570\u5b66\u8fd0\u7b97\u7684\u7ed3\u679c\u662f\u5426\u6709\u6548 \u6700\u540e\u5c06t\u5f3a\u8f6c\u4e3a\u5b57\u7b26\u4e32\u7c7b\u578b\u3002 \u6e7f\u5ea6\u8bfb\u53d6\u90e8\u5206\u540c\u7406\u3002<\/p>\n<p>\u4e0b\u8ff0\u4ee3\u7801\u4f5c\u7528\u4e3a\u8ba9\u8be5\u7f51\u9875\u517c\u5bb9\u4efb\u610f\u7684\u6d4f\u89c8\u5668<\/p>\n<p> <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>meta<\/span> <span class=\"token attr-name\">name<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>viewport<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">content<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>width&#061;device-width, initial-scale&#061;1<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<p>\u4e0b\u8ff0\u4ee3\u7801\u4e3a\u52a0\u8f7d\u6e29\u6e7f\u5ea6\u7684\u56fe\u6807<\/p>\n<p>  <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>link<\/span> <span class=\"token attr-name\">rel<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>stylesheet<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">href<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>https:\/\/use.fontawesome.com\/releases\/v5.7.2\/css\/all.css<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">integrity<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>sha384-fnmOCqbTlWIlj8LyTjo7mOUStjsKC4pOpQbqyi7RrhN7udi9RwhKkMHpvLbHG9Sr<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">crossorigin<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>anonymous<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<p>\u4e0b\u8ff0\u4ee3\u7801\u4e3a\u5b9a\u4e49\u7f51\u9875\u7684CSS\u6837\u5f0f&#xff0c;\u901a\u8fc7\u63a7\u5236\u5b57\u4f53\u3001\u5e03\u5c40\u548c\u6587\u672c\u5bf9\u9f50\u7b49\u5c5e\u6027&#xff0c;\u6765\u7f8e\u5316\u548c\u5e03\u5c40\u663e\u793a\u7f51\u9875\u7684\u5143\u7d20\u3002<\/p>\n<p><span class=\"token selector\">&lt;style&gt;<br \/>\n  html<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token property\">font-family<\/span><span class=\"token punctuation\">:<\/span> Arial<span class=\"token punctuation\">;<\/span>             <span class=\"token comment\">\/* \u8bbe\u7f6e\u6574\u4e2aHTML\u9875\u9762\u7684\u9ed8\u8ba4\u5b57\u4f53\u4e3a Arial *\/<\/span><br \/>\n    <span class=\"token property\">display<\/span><span class=\"token punctuation\">:<\/span> inline-block<span class=\"token punctuation\">;<\/span>          <span class=\"token comment\">\/* \u4ee5\u5185\u8054\u5757\u7684\u65b9\u5f0f\u663e\u793a\u5143\u7d20&#xff0c;\u65b9\u4fbf\u6c34\u5e73\u5c45\u4e2d *\/<\/span><br \/>\n    <span class=\"token property\">margin<\/span><span class=\"token punctuation\">:<\/span> 0px auto<span class=\"token punctuation\">;<\/span>               <span class=\"token comment\">\/* \u4e0a\u4e0b\u8fb9\u8ddd\u4e3a0&#xff0c;\u5de6\u53f3\u81ea\u52a8\u5c45\u4e2d\u4ee5\u786e\u4fdd\u9875\u9762\u5c45\u4e2d *\/<\/span><br \/>\n    <span class=\"token property\">text-align<\/span><span class=\"token punctuation\">:<\/span> center<span class=\"token punctuation\">;<\/span>             <span class=\"token comment\">\/* \u8bbe\u7f6e\u6587\u672c\u5728\u6574\u4e2a\u9875\u9762\u4e2d\u5c45\u4e2d\u5bf9\u9f50 *\/<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token selector\">h2<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token property\">font-size<\/span><span class=\"token punctuation\">:<\/span> 3.0rem<span class=\"token punctuation\">;<\/span>              <span class=\"token comment\">\/* \u8bbe\u7f6e\u6240\u6709&lt;h2&gt;\u5143\u7d20\u7684\u5b57\u4f53\u5927\u5c0f\u4e3a 3.0rem&#xff0c;\u8f83\u5927\u6807\u9898\u6837\u5f0f *\/<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token selector\">p<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token property\">font-size<\/span><span class=\"token punctuation\">:<\/span> 3.0rem<span class=\"token punctuation\">;<\/span>              <span class=\"token comment\">\/* \u8bbe\u7f6e\u6240\u6709&lt;p&gt;\u5143\u7d20\u7684\u5b57\u4f53\u5927\u5c0f\u4e3a 3.0rem&#xff0c;\u7528\u4e8e\u663e\u793a\u4e3b\u8981\u5185\u5bb9 *\/<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token selector\">.units<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token property\">font-size<\/span><span class=\"token punctuation\">:<\/span> 1.2rem<span class=\"token punctuation\">;<\/span>              <span class=\"token comment\">\/* \u8bbe\u7f6e\u7c7b\u4e3a\u201cunits\u201d\u7684\u5143\u7d20\u7684\u5b57\u4f53\u5927\u5c0f\u4e3a 1.2rem&#xff0c;\u7528\u4e8e\u5355\u4f4d\u7b26\u53f7 *\/<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token selector\">.dht-labels<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token property\">font-size<\/span><span class=\"token punctuation\">:<\/span> 1.5rem<span class=\"token punctuation\">;<\/span>              <span class=\"token comment\">\/* \u8bbe\u7f6e\u7c7b\u4e3a\u201cdht-labels\u201d\u7684\u5143\u7d20\u7684\u5b57\u4f53\u5927\u5c0f\u4e3a 1.5rem&#xff0c;\u7528\u4e8e\u6807\u7b7e *\/<\/span><br \/>\n    <span class=\"token property\">vertical-align<\/span><span class=\"token punctuation\">:<\/span> middle<span class=\"token punctuation\">;<\/span>         <span class=\"token comment\">\/* \u8bbe\u7f6e\u5782\u76f4\u5bf9\u9f50\u65b9\u5f0f\u4e3a\u5c45\u4e2d&#xff0c;\u7528\u4e8e\u56fe\u6807\u548c\u6587\u5b57\u7684\u5bf9\u9f50 *\/<\/span><br \/>\n    <span class=\"token property\">padding-bottom<\/span><span class=\"token punctuation\">:<\/span> 15px<span class=\"token punctuation\">;<\/span>           <span class=\"token comment\">\/* \u8bbe\u7f6e\u5e95\u90e8\u5185\u8fb9\u8ddd\u4e3a 15px&#xff0c;\u4ee5\u589e\u52a0\u4e0e\u4e0b\u65b9\u5143\u7d20\u7684\u95f4\u8ddd *\/<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n&lt;\/style&gt;<\/p>\n<p>\u8fd9\u4e00\u90e8\u5206\u4ee3\u7801\u7528\u4e8e\u5728\u7f51\u9875\u4e0a\u663e\u793a\u6e29\u5ea6\u4fe1\u606f&#xff0c;\u5305\u62ec\u56fe\u6807\u3001\u6e29\u5ea6\u6807\u7b7e\u3001\u6e29\u5ea6\u503c\u548c\u5355\u4f4d\u7b26\u53f7\u3002 \u6e7f\u5ea6\u90e8\u5206\u540c\u7406\u3002<\/p>\n<p><span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>p<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n  <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>i<\/span> <span class=\"token attr-name\">class<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>fas fa-thermometer-half<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token special-attr\"><span class=\"token attr-name\">style<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span><span class=\"token value css language-css\"><span class=\"token property\">color<\/span><span class=\"token punctuation\">:<\/span>#059e8a<span class=\"token punctuation\">;<\/span><\/span><span class=\"token punctuation\">&#034;<\/span><\/span><\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>i<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n  <span class=\"token comment\">&lt;!&#8211; \u63d2\u5165\u4e00\u4e2a\u56fe\u6807\u5143\u7d20&#xff0c;\u4f7f\u7528Font Awesome\u7684\u201c\u534a\u6e29\u5ea6\u8ba1\u201d\u56fe\u6807&#xff0c;\u989c\u8272\u8bbe\u7f6e\u4e3a#059e8a&#xff08;\u7eff\u8272&#xff09; &#8211;&gt;<\/span><\/p>\n<p>  <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>span<\/span> <span class=\"token attr-name\">class<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>dht-labels<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">&gt;<\/span><\/span>\u6e29\u5ea6<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>span<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n  <span class=\"token comment\">&lt;!&#8211; \u4f7f\u7528&lt;span&gt;\u5143\u7d20\u663e\u793a\u201c\u6e29\u5ea6\u201d\u6807\u7b7e&#xff0c;\u5e94\u7528\u4e86&#034;dht-labels&#034;\u7c7b\u6765\u8c03\u6574\u5b57\u4f53\u5927\u5c0f\u548c\u5bf9\u9f50\u65b9\u5f0f &#8211;&gt;<\/span><\/p>\n<p>  <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>span<\/span> <span class=\"token attr-name\">id<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>temperature<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">&gt;<\/span><\/span>%TEMPERATURE%<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>span<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n  <span class=\"token comment\">&lt;!&#8211; \u4f7f\u7528&lt;span&gt;\u5143\u7d20\u663e\u793a\u6e29\u5ea6\u503c&#xff0c;\u901a\u8fc7ID\u4e3a\u201ctemperature\u201d\u6765\u6807\u8bc6&#xff0c;\u503c\u4f1a\u88ab\u52a8\u6001\u66ff\u6362\u4e3a\u8bfb\u53d6\u7684\u6e29\u5ea6&#xff08;%TEMPERATURE%\u5360\u4f4d\u7b26&#xff09; &#8211;&gt;<\/span><\/p>\n<p>  <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>sup<\/span> <span class=\"token attr-name\">class<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>units<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token entity named-entity\" title=\"\u00b0\">&amp;deg;<\/span>C<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>sup<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n  <span class=\"token comment\">&lt;!&#8211; \u4f7f\u7528&lt;sup&gt;\u5143\u7d20\u663e\u793a\u6e29\u5ea6\u5355\u4f4d\u201c\u2103\u201d&#xff0c;\u5e94\u7528\u4e86\u201cunits\u201d\u7c7b\u6765\u8c03\u6574\u5b57\u4f53\u5927\u5c0f&#xff0c;\u4e14\u8be5\u5143\u7d20\u4e3a\u4e0a\u6807\u663e\u793a &#8211;&gt;<\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>p<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<p>\u8fd9\u4e00\u90e8\u5206\u4ee3\u7801\u662fJavaScript&#xff0c;\u7528\u4e8e\u6bcf\u969410\u79d2\u5411\u670d\u52a1\u5668\u53d1\u9001\u4e00\u6b21GET\u8bf7\u6c42&#xff0c;\u5206\u522b\u83b7\u53d6\u6700\u65b0\u7684\u6e29\u5ea6\u548c\u6e7f\u5ea6\u6570\u636e&#xff0c;\u5e76\u66f4\u65b0\u9875\u9762\u4e0a\u76f8\u5e94\u7684\u90e8\u5206<\/p>\n<p><span class=\"token operator\">&lt;<\/span>script<span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token function\">setInterval<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">function<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">var<\/span> xhttp <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">XMLHttpRequest<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u521b\u5efa\u4e00\u4e2a\u65b0\u7684XMLHttpRequest\u5bf9\u8c61&#xff0c;\u7528\u4e8e\u53d1\u9001HTTP\u8bf7\u6c42<\/span><br \/>\n  xhttp<span class=\"token punctuation\">.<\/span><span class=\"token function-variable function\">onreadystatechange<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">function<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>  <span class=\"token comment\">\/\/ \u5f53\u8bf7\u6c42\u72b6\u6001\u53d1\u751f\u53d8\u5316\u65f6\u89e6\u53d1\u7684\u56de\u8c03\u51fd\u6570<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>readyState <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">4<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>status <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>  <span class=\"token comment\">\/\/ \u68c0\u67e5\u8bf7\u6c42\u662f\u5426\u5b8c\u6210\u5e76\u4e14\u54cd\u5e94\u72b6\u6001\u662f200&#xff08;\u6210\u529f&#xff09;<\/span><br \/>\n      document<span class=\"token punctuation\">.<\/span><span class=\"token function\">getElementById<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;temperature&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>innerHTML <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>responseText<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u5c06\u8fd4\u56de\u7684\u6e29\u5ea6\u6570\u636e\u66f4\u65b0\u5230ID\u4e3a&#034;temperature&#034;\u7684\u5143\u7d20\u4e2d<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  xhttp<span class=\"token punctuation\">.<\/span><span class=\"token function\">open<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;GET&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/temperature&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u521d\u59cb\u5316GET\u8bf7\u6c42&#xff0c;\u76ee\u6807\u4e3a\u670d\u52a1\u5668\u8def\u5f84\u201c\/temperature\u201d&#xff0c;\u8bf7\u6c42\u662f\u5f02\u6b65\u7684<\/span><br \/>\n  xhttp<span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u53d1\u9001\u8bf7\u6c42<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">10000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u6bcf\u969410000\u6beb\u79d2&#xff08;10\u79d2&#xff09;\u91cd\u590d\u6267\u884c\u8be5\u51fd\u6570<\/span><br \/>\n<span class=\"token operator\">&#8230;<\/span><br \/>\n<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>script<span class=\"token operator\">&gt;<\/span><\/p>\n<p>processor\u51fd\u6570&#xff0c;\u7528\u4e8e\u5728\u7f51\u9875\u6a21\u677f\u4e2d\u66ff\u6362\u5360\u4f4d\u7b26\u5b57\u7b26\u4e32 %TEMPERATURE% \u548c %HUMIDITY%&#xff0c;\u5c06\u5b83\u4eec\u52a8\u6001\u5730\u66ff\u6362\u4e3a\u4eceDHT\u4f20\u611f\u5668\u8bfb\u53d6\u7684\u5b9e\u9645\u6e29\u5ea6\u548c\u6e7f\u5ea6\u503c\u3002<\/p>\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> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token comment\">\/\/Serial.println(var);<\/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;TEMPERATURE&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token function\">readDHTTemperature<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5982\u679c\u4f20\u5165\u7684\u5b57\u7b26\u4e32\u662f &#034;TEMPERATURE&#034;&#xff0c;\u8c03\u7528\u51fd\u6570 readDHTTemperature() \u83b7\u53d6\u6e29\u5ea6\u503c&#xff0c;\u5e76\u8fd4\u56de\u8fd9\u4e2a\u503c<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>var <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;HUMIDITY&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token function\">readDHTHumidity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5982\u679c\u4f20\u5165\u7684\u5b57\u7b26\u4e32\u662f &#034;HUMIDITY&#034;&#xff0c;\u8c03\u7528\u51fd\u6570 readDHTHumidity() \u83b7\u53d6\u6e7f\u5ea6\u503c&#xff0c;\u5e76\u8fd4\u56de\u8fd9\u4e2a\u503c<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n  <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 comment\">\/\/ \u5982\u679c\u4f20\u5165\u7684\u5b57\u7b26\u4e32\u65e2\u4e0d\u662f &#034;TEMPERATURE&#034; \u4e5f\u4e0d\u662f &#034;HUMIDITY&#034;&#xff0c;\u8fd4\u56de\u4e00\u4e2a\u7a7a\u5b57\u7b26\u4e32<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5360\u4f4d\u7b26&#xff08;Placeholder&#xff09; \u662f\u4e00\u79cd\u7528\u4e8e\u6807\u8bb0\u67d0\u4e9b\u6570\u636e\u5728\u4e4b\u540e\u4f1a\u88ab\u66ff\u6362\u7684\u7b26\u53f7\u6216\u6587\u672c&#xff0c;\u901a\u5e38\u7528\u4f5c\u4e34\u65f6\u5360\u636e\u67d0\u4e9b\u4f4d\u7f6e\u7684\u6587\u672c&#xff0c;\u7b49\u5230\u6709\u4e86\u5177\u4f53\u7684\u6570\u636e\u6216\u4fe1\u606f\u65f6\u518d\u8fdb\u884c\u66ff\u6362&#xff0c;\u4f7f\u4ee3\u7801\u66f4\u6613\u8bfb\u3001\u7075\u6d3b&#xff0c;\u7279\u522b\u662f\u5728\u9700\u8981\u52a8\u6001\u5185\u5bb9\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<p>%TEMPERATURE% \u548c %HUMIDITY% \u5c31\u662f\u5360\u4f4d\u7b26\u3002<\/p>\n<p><span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>span<\/span> <span class=\"token attr-name\">id<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>temperature<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">&gt;<\/span><\/span>%TEMPERATURE%<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>span<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>span<\/span> <span class=\"token attr-name\">id<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>humidity<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">&gt;<\/span><\/span>%HUMIDITY%<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>span<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u662f\u914d\u7f6eESP32\u7684Web\u670d\u52a1\u5668&#xff0c;\u4ee5\u5904\u7406\u4e0d\u540c\u7684HTTP\u8bf7\u6c42\u3002\u4f7f\u7528\u4e86ESPAsyncWebServer\u5e93&#xff0c;\u7528\u4e8e\u8bbe\u7f6e\u5728\u4e0d\u540c\u7684\u8def\u5f84\u4e0a\u54cd\u5e94GET\u8bf7\u6c42&#xff0c;\u5e76\u8fd4\u56de\u76f8\u5e94\u7684\u6570\u636e\u6216\u9875\u9762\u3002<\/p>\n<p> 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><br \/>\n  server<span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/temperature&#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\/plain&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">readDHTTemperature<\/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 punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/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;\/humidity&#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\/plain&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">readDHTHumidity<\/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 punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>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<ul>\n<li>\n<p>server.on(\u201c\/\u201d, HTTP_GET, \u2026)&#xff1a; \u8fd9\u884c\u4ee3\u7801\u5b9a\u4e49\u4e86\u5728\u670d\u52a1\u5668\u6839\u8def\u5f84 \/ \u4e0a\u7684\u8bf7\u6c42\u5904\u7406\u3002 &#034;HTTP_GET&#034; \u8868\u793a\u5904\u7406\u7684\u662fHTTP GET\u8bf7\u6c42\u3002 [] (AsyncWebServerRequest *request) \u662f\u4e00\u4e2aLambda\u8868\u8fbe\u5f0f&#xff0c;\u5373\u56de\u8c03\u51fd\u6570&#xff0c;\u7528\u4e8e\u5728\u8bf7\u6c42\u5230\u6765\u65f6\u6267\u884c\u7279\u5b9a\u7684\u64cd\u4f5c\u3002<\/p>\n<\/li>\n<li>\n<p>request-&gt;send_P(200, \u201ctext\/html\u201d, index_html, processor)&#xff1a;<\/p>\n<\/li>\n<li>\n<p>send_P() \u65b9\u6cd5\u53d1\u9001\u7f51\u9875\u7684\u54cd\u5e94&#xff1a;<\/p>\n<\/li>\n<li>\n<p>200 \u8868\u793aHTTP\u72b6\u6001\u7801&#xff0c;200\u610f\u5473\u7740\u6210\u529f\u3002<\/p>\n<\/li>\n<li>\n<p>&#034;text\/html&#034; \u8868\u793a\u5185\u5bb9\u7c7b\u578b\u4e3aHTML\u3002<\/p>\n<\/li>\n<li>\n<p>index_html \u662f\u4fdd\u5b58\u7f51\u9875\u5185\u5bb9\u7684HTML\u6a21\u677f&#xff08;\u7528PROGMEM\u5b58\u50a8&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>processor \u662f\u5904\u7406\u6a21\u677f\u4e2d\u7684\u5360\u4f4d\u7b26\u7684\u51fd\u6570&#xff08;\u7528\u4e8e\u52a8\u6001\u66ff\u6362\u7f51\u9875\u4e2d\u7684\u6570\u636e&#xff09;\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u5f53\u8bbf\u95ee\u670d\u52a1\u5668\u7684\u6839\u76ee\u5f55 \/ \u65f6&#xff0c;\u8fd9\u884c\u4ee3\u7801\u4f1a\u5c06\u7f51\u9875\u6a21\u677f index_html \u53d1\u9001\u7ed9\u5ba2\u6237\u7aef&#xff0c;processor \u51fd\u6570\u4f1a\u52a8\u6001\u5730\u66ff\u6362\u6a21\u677f\u4e2d\u7684\u5360\u4f4d\u7b26&#xff0c;\u5982 %TEMPERATURE% \u548c %HUMIDITY%\u3002<\/p>\n<p>server<span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/temperature&#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\/plain&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">readDHTTemperature<\/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 punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<ul>\n<li>\n<p>server.on(\u201c\/temperature\u201d, HTTP_GET, \u2026)&#xff1a; \u8fd9\u884c\u4ee3\u7801\u5b9a\u4e49\u4e86\u5f53\u7528\u6237\u8bbf\u95ee\u8def\u5f84 \/temperature \u65f6\u7684\u8bf7\u6c42\u5904\u7406\u3002 &#034;HTTP_GET&#034; \u8868\u793a\u5904\u7406HTTP GET\u8bf7\u6c42\u3002<\/p>\n<\/li>\n<li>\n<p>request-&gt;send_P(200, \u201ctext\/plain\u201d, readDHTTemperature().c_str())&#xff1a;<\/p>\n<\/li>\n<li>\n<p>\u901a\u8fc7\u8c03\u7528 readDHTTemperature() \u51fd\u6570\u83b7\u53d6\u5f53\u524d\u7684\u6e29\u5ea6\u6570\u636e&#xff0c;\u5e76\u5c06\u5176\u4f5c\u4e3a\u54cd\u5e94\u53d1\u9001\u3002<\/p>\n<\/li>\n<li>\n<p>&#034;text\/plain&#034; \u8868\u793a\u5185\u5bb9\u7c7b\u578b\u662f\u7eaf\u6587\u672c\u3002<\/p>\n<\/li>\n<li>\n<p>readDHTTemperature().c_str() \u5c06\u6e29\u5ea6\u503c\u8f6c\u6362\u4e3aC\u98ce\u683c\u7684\u5b57\u7b26\u4e32\u6307\u9488&#xff08;\u7528\u4e8e\u53d1\u9001&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u5f53\u7528\u6237\u8bbf\u95ee \/temperature \u8fd9\u4e2a\u8def\u5f84\u65f6&#xff0c;\u670d\u52a1\u5668\u4f1a\u8fd4\u56de\u5f53\u524d\u7684\u6e29\u5ea6\u6570\u636e\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u7ed3\u675f<\/h2>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5f02\u6b65\u7f51\u9875\u670d\u52a1\u5668\u7684\u4e00\u4e2a\u57fa\u672c\u793a\u4f8b\u3002\u5982\u679c\u89c9\u5f97\u5237\u65b0\u901f\u5ea6\u8f83\u6162&#xff0c;\u53ef\u4ee5\u66f4\u6539\u5237\u65b0\u65f6\u95f4\u3002 \u4ee5\u4e0a\u5185\u5bb9\u5982\u6709\u9519\u8bef&#xff0c;\u6b22\u8fce\u6307\u51fa\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.3k\u6b21\uff0c\u70b9\u8d5e23\u6b21\uff0c\u6536\u85cf23\u6b21\u3002ESP32\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668\u663e\u793a\u5728\u7f51\u9875\u7aef\u5e76\u5b9e\u65f6\u5237\u65b0\u3002_espasyncwebserver<\/p>\n","protected":false},"author":2,"featured_media":15052,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[976,70,87,270,269,43,220,977],"topic":[],"class_list":["post-15054","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-esp32","tag-ide","tag-87","tag-270","tag-269","tag-43","tag-220","tag-977"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ESP32\u6559\u7a0b\uff08\u57fa\u4e8eArduino IDE\uff099 - \u5f02\u6b65\u7f51\u9875\u670d\u52a1\u5668 Asynchronous Web Server\uff08DHT11) - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/15054.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ESP32\u6559\u7a0b\uff08\u57fa\u4e8eArduino IDE\uff099 - \u5f02\u6b65\u7f51\u9875\u670d\u52a1\u5668 Asynchronous Web Server\uff08DHT11) - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.3k\u6b21\uff0c\u70b9\u8d5e23\u6b21\uff0c\u6536\u85cf23\u6b21\u3002ESP32\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668\u663e\u793a\u5728\u7f51\u9875\u7aef\u5e76\u5b9e\u65f6\u5237\u65b0\u3002_espasyncwebserver\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/15054.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-18T13:42:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418134240-680256d037548.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/15054.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/15054.html\",\"name\":\"ESP32\u6559\u7a0b\uff08\u57fa\u4e8eArduino IDE\uff099 - \u5f02\u6b65\u7f51\u9875\u670d\u52a1\u5668 Asynchronous Web Server\uff08DHT11) - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2025-04-18T13:42:41+00:00\",\"dateModified\":\"2025-04-18T13:42:41+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/15054.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/15054.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/15054.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"ESP32\u6559\u7a0b\uff08\u57fa\u4e8eArduino IDE\uff099 - \u5f02\u6b65\u7f51\u9875\u670d\u52a1\u5668 Asynchronous Web Server\uff08DHT11)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"ESP32\u6559\u7a0b\uff08\u57fa\u4e8eArduino IDE\uff099 - \u5f02\u6b65\u7f51\u9875\u670d\u52a1\u5668 Asynchronous Web Server\uff08DHT11) - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/15054.html","og_locale":"zh_CN","og_type":"article","og_title":"ESP32\u6559\u7a0b\uff08\u57fa\u4e8eArduino IDE\uff099 - \u5f02\u6b65\u7f51\u9875\u670d\u52a1\u5668 Asynchronous Web Server\uff08DHT11) - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.3k\u6b21\uff0c\u70b9\u8d5e23\u6b21\uff0c\u6536\u85cf23\u6b21\u3002ESP32\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668\u663e\u793a\u5728\u7f51\u9875\u7aef\u5e76\u5b9e\u65f6\u5237\u65b0\u3002_espasyncwebserver","og_url":"https:\/\/www.wsisp.com\/helps\/15054.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2025-04-18T13:42:41+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250418134240-680256d037548.png"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"7 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/15054.html","url":"https:\/\/www.wsisp.com\/helps\/15054.html","name":"ESP32\u6559\u7a0b\uff08\u57fa\u4e8eArduino IDE\uff099 - \u5f02\u6b65\u7f51\u9875\u670d\u52a1\u5668 Asynchronous Web Server\uff08DHT11) - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2025-04-18T13:42:41+00:00","dateModified":"2025-04-18T13:42:41+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/15054.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/15054.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/15054.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"ESP32\u6559\u7a0b\uff08\u57fa\u4e8eArduino IDE\uff099 - \u5f02\u6b65\u7f51\u9875\u670d\u52a1\u5668 Asynchronous Web Server\uff08DHT11)"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/15054","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=15054"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/15054\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/15052"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=15054"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=15054"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=15054"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=15054"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}