{"id":90874,"date":"2026-08-06T08:32:41","date_gmt":"2026-08-06T00:32:41","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/90874.html"},"modified":"2026-08-06T08:32:41","modified_gmt":"2026-08-06T00:32:41","slug":"%e3%80%8aesp32-%e7%89%a9%e8%81%94%e7%bd%91%e5%85%a8%e6%a0%88%e5%ae%9e%e6%88%98-10%e3%80%8b%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f%e5%85%a5%e9%97%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/90874.html","title":{"rendered":"\u300aESP32 \u7269\u8054\u7f51\u5168\u6808\u5b9e\u6218-10\u300b\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5165\u95e8"},"content":{"rendered":"<h2>\u7b2c 10 \u7bc7&#xff1a;\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5165\u95e8\u2014\u20143 \u5c0f\u65f6\u5199\u51fa\u7b2c\u4e00\u4e2a IoT \u5c0f\u7a0b\u5e8f<\/h2>\n<p>\u524d 9 \u7bc7\u90fd\u5728\u641e\u786c\u4ef6\u548c\u4e91\u7aef\u3002\u8fd9\u7bc7\u5f00\u59cb\u5199\u524d\u7aef\u2014\u2014\u7528\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u628a\u6570\u636e\u5c55\u793a\u5230\u624b\u673a\u4e0a\u3002\u4e0d\u9700\u8981\u5b66 React\/Vue&#xff0c;\u5c0f\u7a0b\u5e8f\u6846\u67b6\u81ea\u5e26\u4e00\u5207\u3002<\/p>\n<hr \/>\n<h3>1. \u73af\u5883\u642d\u5efa<\/h3>\n<p>Step 1: \u4e0b\u8f7d\u5fae\u4fe1\u5f00\u53d1\u8005\u5de5\u5177<br \/>\n        https:\/\/developers.weixin.qq.com\/miniprogram\/dev\/devtools\/download.html<\/p>\n<p>Step 2: \u6ce8\u518c\u5c0f\u7a0b\u5e8f<br \/>\n        https:\/\/mp.weixin.qq.com \u2192 \u6ce8\u518c \u2192 \u4e2a\u4eba\u4e3b\u4f53\u5373\u53ef<br \/>\n        \u62ff\u5230 AppID<\/p>\n<p>Step 3: \u65b0\u5efa\u9879\u76ee<br \/>\n        \u6253\u5f00\u5f00\u53d1\u8005\u5de5\u5177 \u2192 \u65b0\u5efa \u2192 \u586b\u5165 AppID<br \/>\n        \u2192 \u9009&#034;\u4e0d\u4f7f\u7528\u4e91\u670d\u52a1&#034; \u2192 \u9009&#034;JavaScript \u57fa\u7840\u6a21\u677f&#034;<\/p>\n<p>\u76ee\u5f55\u7ed3\u6784&#xff1a;<\/p>\n<p>miniprogram\/<br \/>\n\u251c\u2500\u2500 app.js          # \u5c0f\u7a0b\u5e8f\u5165\u53e3<br \/>\n\u251c\u2500\u2500 app.json        # \u5168\u5c40\u914d\u7f6e&#xff08;\u9875\u9762\u8def\u5f84\u3001\u7a97\u53e3\u6837\u5f0f&#xff09;<br \/>\n\u251c\u2500\u2500 app.wxss        # \u5168\u5c40\u6837\u5f0f<br \/>\n\u251c\u2500\u2500 pages\/<br \/>\n\u2502   \u2514\u2500\u2500 index\/<br \/>\n\u2502       \u251c\u2500\u2500 index.wxml   # \u9875\u9762\u7ed3\u6784 (HTML \u7c7b\u4f3c\u7269)<br \/>\n\u2502       \u251c\u2500\u2500 index.wxss   # \u9875\u9762\u6837\u5f0f (CSS \u7c7b\u4f3c\u7269)<br \/>\n\u2502       \u251c\u2500\u2500 index.js     # \u9875\u9762\u903b\u8f91<br \/>\n\u2502       \u2514\u2500\u2500 index.json   # \u9875\u9762\u914d\u7f6e<br \/>\n\u2514\u2500\u2500 project.config.json<\/p>\n<hr \/>\n<h3>2. MQTT \u5728\u5c0f\u7a0b\u5e8f\u91cc\u600e\u4e48\u8fde&#xff1f;<\/h3>\n<p>\u5c0f\u7a0b\u5e8f\u4e0d\u80fd\u76f4\u63a5\u7528 TCP \u8fde MQTT\u2014\u2014\u5b83\u53ea\u652f\u6301 WebSocket\u3002\u6240\u4ee5 EMQX \u7684 WebSocket \u7aef\u53e3&#xff08;8083\/8084&#xff09;\u5c31\u6d3e\u4e0a\u7528\u573a\u4e86\u3002<\/p>\n<p>\u5c0f\u7a0b\u5e8f \u2190\u2192 WebSocket(wss:\/\/) \u2190\u2192 EMQX 8084 \u2190\u2192 MQTT 1883 \u2190\u2192 ESP32<\/p>\n<p>\u5728\u5c0f\u7a0b\u5e8f\u91cc\u5f15\u7528 mqtt.js&#xff08;\u652f\u6301\u6d4f\u89c8\u5668\/WebSocket \u7684 MQTT \u5e93&#xff09;&#xff1a;<\/p>\n<p><span class=\"token comment\"># \u5728\u9879\u76ee\u6839\u76ee\u5f55<\/span><br \/>\n<span class=\"token function\">npm<\/span> init <span class=\"token parameter variable\">-y<\/span><br \/>\n<span class=\"token function\">npm<\/span> <span class=\"token function\">install<\/span> mqtt<\/p>\n<p>\u7136\u540e\u5728\u5f00\u53d1\u8005\u5de5\u5177\u91cc&#xff1a;\u5de5\u5177 \u2192 \u6784\u5efa npm\u3002<\/p>\n<hr \/>\n<h3>3. \u4e3b\u9875\u9762\u4ee3\u7801<\/h3>\n<h4>pages\/index\/index.wxml<\/h4>\n<p><span class=\"token comment\">&lt;!&#8211; \u6e29\u6e7f\u5ea6\u663e\u793a &#8211;&gt;<\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>view<\/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>container<span class=\"token punctuation\">&#034;<\/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>view<\/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>card<span class=\"token punctuation\">&#034;<\/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>text<\/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>title<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">&gt;<\/span><\/span>\u5ba2\u5385\u73af\u5883<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>text<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<p>    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>view<\/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>data-row<span class=\"token punctuation\">&#034;<\/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>view<\/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>data-item<span class=\"token punctuation\">&#034;<\/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>text<\/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>label<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>text<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>text<\/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>value temp<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">&gt;<\/span><\/span>{{temperature}}\u00b0C<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>text<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n      <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>view<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n      <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>view<\/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>data-item<span class=\"token punctuation\">&#034;<\/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>text<\/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>label<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">&gt;<\/span><\/span>\u6e7f\u5ea6<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>text<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>text<\/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>value humi<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>text<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n      <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>view<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>view<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<p>    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>view<\/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>status<span class=\"token punctuation\">&#034;<\/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>text<\/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>{{connected ? &#039;online&#039; : &#039;offline&#039;}}<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n        {{connected ? &#039;\u25cf \u5728\u7ebf&#039; : &#039;\u25cb \u79bb\u7ebf&#039;}}<br \/>\n      <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>text<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>view<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n  <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>view<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<p>  <span class=\"token comment\">&lt;!&#8211; \u5f00\u5173\u63a7\u5236 &#8211;&gt;<\/span><br \/>\n  <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>view<\/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>card<span class=\"token punctuation\">&#034;<\/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>text<\/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>title<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">&gt;<\/span><\/span>\u8bbe\u5907\u63a7\u5236<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>text<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>switch<\/span> <span class=\"token attr-name\">checked<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>{{relayOn}}<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">bindchange<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>toggleRelay<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n      \u63d2\u5ea7\u5f00\u5173<br \/>\n    <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>switch<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n  <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>view<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>view<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<h4>pages\/index\/index.wxss<\/h4>\n<p><span class=\"token selector\">.container<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token property\">padding<\/span><span class=\"token punctuation\">:<\/span> 20rpx<span class=\"token punctuation\">;<\/span> <span class=\"token property\">background<\/span><span class=\"token punctuation\">:<\/span> #f5f5f5<span class=\"token punctuation\">;<\/span> <span class=\"token property\">min-height<\/span><span class=\"token punctuation\">:<\/span> 100vh<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token selector\">.card<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token property\">background<\/span><span class=\"token punctuation\">:<\/span> #fff<span class=\"token punctuation\">;<\/span> <span class=\"token property\">border-radius<\/span><span class=\"token punctuation\">:<\/span> 16rpx<span class=\"token punctuation\">;<\/span> <span class=\"token property\">padding<\/span><span class=\"token punctuation\">:<\/span> 30rpx<span class=\"token punctuation\">;<\/span> <span class=\"token property\">margin-bottom<\/span><span class=\"token punctuation\">:<\/span> 20rpx<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token selector\">.title<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token property\">font-size<\/span><span class=\"token punctuation\">:<\/span> 32rpx<span class=\"token punctuation\">;<\/span> <span class=\"token property\">font-weight<\/span><span class=\"token punctuation\">:<\/span> bold<span class=\"token punctuation\">;<\/span> <span class=\"token property\">color<\/span><span class=\"token punctuation\">:<\/span> #333<span class=\"token punctuation\">;<\/span> <span class=\"token property\">display<\/span><span class=\"token punctuation\">:<\/span> block<span class=\"token punctuation\">;<\/span> <span class=\"token property\">margin-bottom<\/span><span class=\"token punctuation\">:<\/span> 20rpx<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token selector\">.data-row<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token property\">display<\/span><span class=\"token punctuation\">:<\/span> flex<span class=\"token punctuation\">;<\/span> <span class=\"token property\">justify-content<\/span><span class=\"token punctuation\">:<\/span> space-around<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token selector\">.data-item<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token property\">text-align<\/span><span class=\"token punctuation\">:<\/span> center<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token selector\">.label<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token property\">font-size<\/span><span class=\"token punctuation\">:<\/span> 24rpx<span class=\"token punctuation\">;<\/span> <span class=\"token property\">color<\/span><span class=\"token punctuation\">:<\/span> #999<span class=\"token punctuation\">;<\/span> <span class=\"token property\">display<\/span><span class=\"token punctuation\">:<\/span> block<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token selector\">.value<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token property\">font-size<\/span><span class=\"token punctuation\">:<\/span> 64rpx<span class=\"token punctuation\">;<\/span> <span class=\"token property\">font-weight<\/span><span class=\"token punctuation\">:<\/span> bold<span class=\"token punctuation\">;<\/span> <span class=\"token property\">margin-top<\/span><span class=\"token punctuation\">:<\/span> 10rpx<span class=\"token punctuation\">;<\/span> <span class=\"token property\">display<\/span><span class=\"token punctuation\">:<\/span> block<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token selector\">.temp<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token property\">color<\/span><span class=\"token punctuation\">:<\/span> #ff6b6b<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token selector\">.humi<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token property\">color<\/span><span class=\"token punctuation\">:<\/span> #48dbfb<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token selector\">.online<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token property\">color<\/span><span class=\"token punctuation\">:<\/span> #2ecc71<span class=\"token punctuation\">;<\/span> <span class=\"token property\">font-size<\/span><span class=\"token punctuation\">:<\/span> 24rpx<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token selector\">.offline<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token property\">color<\/span><span class=\"token punctuation\">:<\/span> #e74c3c<span class=\"token punctuation\">;<\/span> <span class=\"token property\">font-size<\/span><span class=\"token punctuation\">:<\/span> 24rpx<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token selector\">switch<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token property\">margin-top<\/span><span class=\"token punctuation\">:<\/span> 20rpx<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><\/p>\n<h4>pages\/index\/index.js<\/h4>\n<p><span class=\"token keyword\">const<\/span> mqtt <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">require<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;mqtt&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token function\">Page<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token literal-property property\">data<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token literal-property property\">temperature<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;&#8211;&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token literal-property property\">humidity<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;&#8211;&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token literal-property property\">relayOn<\/span><span class=\"token operator\">:<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token literal-property property\">connected<\/span><span class=\"token operator\">:<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><\/p>\n<p>  <span class=\"token function\">onLoad<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">connectMQTT<\/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><\/p>\n<p>  <span class=\"token function\">connectMQTT<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ EMQX WebSocket \u5730\u5740&#xff08;\u5c0f\u7a0b\u5e8f\u5fc5\u987b\u7528 wss:\/\/&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> options <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token literal-property property\">clientId<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;wx_miniprogram_&#039;<\/span> <span class=\"token operator\">&#043;<\/span> Math<span class=\"token punctuation\">.<\/span><span class=\"token function\">random<\/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 number\">16<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">slice<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">8<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token literal-property property\">username<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;wx_user&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token literal-property property\">password<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;public&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token literal-property property\">clean<\/span><span class=\"token operator\">:<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>client <span class=\"token operator\">&#061;<\/span> mqtt<span class=\"token punctuation\">.<\/span><span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;wss:\/\/your-broker.com:8084\/mqtt&#039;<\/span><span class=\"token punctuation\">,<\/span> options<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>client<span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;connect&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;MQTT \u5df2\u8fde\u63a5&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">setData<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">connected<\/span><span class=\"token operator\">:<\/span> <span class=\"token boolean\">true<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>      <span class=\"token comment\">\/\/ \u8ba2\u9605\u4f20\u611f\u5668\u6570\u636e<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>client<span class=\"token punctuation\">.<\/span><span class=\"token function\">subscribe<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;sensor\/livingroom&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">qos<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">1<\/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 keyword\">this<\/span><span class=\"token punctuation\">.<\/span>client<span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;message&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">topic<span class=\"token punctuation\">,<\/span> payload<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">const<\/span> data <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">JSON<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">parse<\/span><span class=\"token punctuation\">(<\/span>payload<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 punctuation\">;<\/span><br \/>\n      console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;\u6536\u5230\u6570\u636e:&#039;<\/span><span class=\"token punctuation\">,<\/span> data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">setData<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token literal-property property\">temperature<\/span><span class=\"token operator\">:<\/span> data<span class=\"token punctuation\">.<\/span>temp<span class=\"token punctuation\">.<\/span><span class=\"token function\">toFixed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token literal-property property\">humidity<\/span><span class=\"token operator\">:<\/span> data<span class=\"token punctuation\">.<\/span>humi<span class=\"token punctuation\">.<\/span><span class=\"token function\">toFixed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>client<span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;error&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">err<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      console<span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;MQTT \u9519\u8bef:&#039;<\/span><span class=\"token punctuation\">,<\/span> err<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">setData<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">connected<\/span><span class=\"token operator\">:<\/span> <span class=\"token boolean\">false<\/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 keyword\">this<\/span><span class=\"token punctuation\">.<\/span>client<span class=\"token punctuation\">.<\/span><span class=\"token function\">on<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;close&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">setData<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">connected<\/span><span class=\"token operator\">:<\/span> <span class=\"token boolean\">false<\/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  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><\/p>\n<p>  <span class=\"token comment\">\/\/ \u5f00\u5173\u63a7\u5236<\/span><br \/>\n  <span class=\"token function\">toggleRelay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">e<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> on <span class=\"token operator\">&#061;<\/span> e<span class=\"token punctuation\">.<\/span>detail<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>client<span class=\"token punctuation\">.<\/span><span class=\"token function\">publish<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;device\/relay\/cmd&#039;<\/span><span class=\"token punctuation\">,<\/span> on <span class=\"token operator\">?<\/span> <span class=\"token string\">&#039;ON&#039;<\/span> <span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;OFF&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">qos<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">1<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">setData<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">relayOn<\/span><span class=\"token operator\">:<\/span> on <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><\/p>\n<p>  <span class=\"token function\">onUnload<\/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 keyword\">this<\/span><span class=\"token punctuation\">.<\/span>client<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>client<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/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 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<hr \/>\n<h3>4. app.json \u914d\u7f6e<\/h3>\n<p><span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token string-property property\">&#034;pages&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n    <span class=\"token string\">&#034;pages\/index\/index&#034;<\/span><br \/>\n  <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token string-property property\">&#034;window&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token string-property property\">&#034;navigationBarTitleText&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;IoT \u6e29\u6e7f\u5ea6\u8ba1&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token string-property property\">&#034;navigationBarBackgroundColor&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;#2c3e50&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token string-property property\">&#034;navigationBarTextStyle&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;white&#034;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token string-property property\">&#034;sitemapLocation&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;sitemap.json&#034;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u91cd\u8981&#xff1a;\u5c0f\u7a0b\u5e8f\u5fc5\u987b\u914d\u7f6e\u670d\u52a1\u5668\u57df\u540d\u767d\u540d\u5355&#xff0c;\u5426\u5219\u8fde\u4e0d\u4e0a\u3002<\/p>\n<p>\u5728\u5fae\u4fe1\u516c\u4f17\u5e73\u53f0 \u2192 \u5f00\u53d1 \u2192 \u5f00\u53d1\u8bbe\u7f6e \u2192 \u670d\u52a1\u5668\u57df\u540d \u2192 \u6dfb\u52a0 socket 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