{"id":779,"date":"2026-02-23T22:59:19","date_gmt":"2026-02-23T14:59:19","guid":{"rendered":"https:\/\/blog.itsmygo.uk\/2026\/02\/23\/%e3%80%90%e7%b3%bb%e7%b5%b1%e8%a8%ad%e8%a8%88%e7%99%bd%e8%a9%b1%e6%96%87%e3%80%9103-%e6%87%89%e7%94%a8%e5%b1%a4%e5%8d%94%e5%ae%9a%e8%88%87-api-%e8%a8%ad%e8%a8%88-%e5%be%9e-http-%e5%88%b0-we\/"},"modified":"2026-02-23T22:59:19","modified_gmt":"2026-02-23T14:59:19","slug":"%e3%80%90%e7%b3%bb%e7%b5%b1%e8%a8%ad%e8%a8%88%e7%99%bd%e8%a9%b1%e6%96%87%e3%80%9103-%e6%87%89%e7%94%a8%e5%b1%a4%e5%8d%94%e5%ae%9a%e8%88%87-api-%e8%a8%ad%e8%a8%88-%e5%be%9e-http-%e5%88%b0-we","status":"publish","type":"post","link":"https:\/\/blog.itsmygo.uk\/wordpress\/2026\/02\/23\/%e3%80%90%e7%b3%bb%e7%b5%b1%e8%a8%ad%e8%a8%88%e7%99%bd%e8%a9%b1%e6%96%87%e3%80%9103-%e6%87%89%e7%94%a8%e5%b1%a4%e5%8d%94%e5%ae%9a%e8%88%87-api-%e8%a8%ad%e8%a8%88-%e5%be%9e-http-%e5%88%b0-we\/","title":{"rendered":"\u3010\u7cfb\u7d71\u8a2d\u8a08\u767d\u8a71\u6587\u3011#03 \u61c9\u7528\u5c64\u5354\u5b9a\u8207 API \u8a2d\u8a08 \u2014 \u5f9e HTTP \u5230 WebSocket"},"content":{"rendered":"\n<div id=\"quiz-e6244006\">\n<style>\n#quiz-e6244006 .question {\n        background: white;\n        border-radius: 8px;\n        padding: 20px;\n        margin: 20px 0;\n        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);\n      }#quiz-e6244006 .question h3 {\n        margin-top: 0;\n        color: #333;\n      }#quiz-e6244006 .options {\n        list-style: none;\n        padding: 0;\n      }#quiz-e6244006 .options li {\n        padding: 12px 15px;\n        margin: 8px 0;\n        border: 2px solid #ddd;\n        border-radius: 6px;\n        cursor: pointer;\n        transition: all 0.2s;\n      }#quiz-e6244006 .options li:hover:not(.disabled) {\n        border-color: #4caf50;\n        background: #f0fff0;\n      }#quiz-e6244006 .options li.correct {\n        border-color: #4caf50;\n        background: #e8f5e9;\n      }#quiz-e6244006 .options li.wrong {\n        border-color: #f44336;\n        background: #ffebee;\n      }#quiz-e6244006 .options li.disabled {\n        cursor: default;\n        opacity: 0.7;\n      }#quiz-e6244006 .options li.show-answer {\n        border-color: #4caf50;\n        background: #e8f5e9;\n      }#quiz-e6244006 .feedback {\n        margin-top: 15px;\n        padding: 12px;\n        border-radius: 6px;\n        display: none;\n      }#quiz-e6244006 .feedback.correct {\n        background: #e8f5e9;\n        color: #2e7d32;\n        display: block;\n      }#quiz-e6244006 .feedback.wrong {\n        background: #ffebee;\n        color: #c62828;\n        display: block;\n      }#quiz-e6244006 .score {\n        text-align: center;\n        font-size: 1.5em;\n        padding: 20px;\n        background: white;\n        border-radius: 8px;\n        margin-top: 20px;\n      }#quiz-e6244006 .code-block {\n        background: #1e1e1e;\n        color: #d4d4d4;\n        padding: 14px;\n        border-radius: 6px;\n        font-family: \"Monaco\", \"Consolas\", \"Courier New\", monospace;\n        font-size: 0.9em;\n        overflow-x: auto;\n        margin: 12px 0;\n        white-space: pre-wrap;\n      }\n<\/style>\n<h1>\u6e2c\u9a57\uff1a\u61c9\u7528\u5c64\u5354\u5b9a\u8207 API \u8a2d\u8a08 \u2014 \u5f9e HTTP \u5230 WebSocket<\/h1>\n    <p>\u5171 5 \u984c\uff0c\u9ede\u9078\u7b54\u6848\u5f8c\u6703\u7acb\u5373\u986f\u793a\u7d50\u679c<\/p>\n\n    <div class=\"question\" id=\"q1\">\n      <h3>1. HTTP \u5354\u5b9a\u7684\u901a\u8a0a\u6a21\u5f0f\u662f\u4ec0\u9ebc\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(1, 'A', 'B')\">A. \u96d9\u5411\u6301\u7e8c\u9023\u7dda\uff0c\u4f3a\u670d\u5668\u53ef\u4ee5\u96a8\u6642\u63a8\u9001\u8cc7\u6599<\/li>\n        <li onclick=\"checkAnswer(1, 'B', 'B')\">B. \u4e00\u554f\u4e00\u7b54\uff1a\u5ba2\u6236\u7aef\u767c\u8acb\u6c42\uff0c\u4f3a\u670d\u5668\u56de\u56de\u61c9\uff0c\u7136\u5f8c\u7d50\u675f<\/li>\n        <li onclick=\"checkAnswer(1, 'C', 'B')\">C. \u9ede\u5c0d\u9ede\u76f4\u9023\uff0c\u4e0d\u9700\u8981\u7d93\u904e\u4f3a\u670d\u5668<\/li>\n        <li onclick=\"checkAnswer(1, 'D', 'B')\">D. \u767c\u5e03-\u8a02\u95b1\u6a21\u5f0f\uff0c\u900f\u904e Broker \u8f49\u767c\u8a0a\u606f<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb1\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q2\">\n      <h3>2. \u5728 MQTT \u5354\u5b9a\u4e2d\uff0c\u8ca0\u8cac\u63a5\u6536\u548c\u8f49\u767c\u8a0a\u606f\u7684\u89d2\u8272\u53eb\u4ec0\u9ebc\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(2, 'A', 'C')\">A. Signaling Server<\/li>\n        <li onclick=\"checkAnswer(2, 'B', 'C')\">B. STUN Server<\/li>\n        <li onclick=\"checkAnswer(2, 'C', 'C')\">C. Broker<\/li>\n        <li onclick=\"checkAnswer(2, 'D', 'C')\">D. Publisher<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb2\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q3\">\n      <h3>3. \u4ee5\u4e0b\u54ea\u500b API \u8a2d\u8a08\u7b26\u5408 RESTful \u6700\u4f73\u5be6\u8e10\uff1f<\/h3>\n      <div class=\"code-block\">A. GET  \/getUser?id=123\nB. POST \/v1\/users\nC. POST \/deleteUser\nD. GET  \/fetchAllUsersList<\/div>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(3, 'A', 'B')\">A. <code>GET \/getUser?id=123<\/code><\/li>\n        <li onclick=\"checkAnswer(3, 'B', 'B')\">B. <code>POST \/v1\/users<\/code><\/li>\n        <li onclick=\"checkAnswer(3, 'C', 'B')\">C. <code>POST \/deleteUser<\/code><\/li>\n        <li onclick=\"checkAnswer(3, 'D', 'B')\">D. <code>GET \/fetchAllUsersList<\/code><\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb3\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q4\">\n      <h3>4. \u4f60\u6b63\u5728\u8a2d\u8a08\u4e00\u500b\u5373\u6642\u804a\u5929 App\uff0c\u8a0a\u606f\u9700\u8981\u5373\u6642\u9001\u9054\uff0c\u4f3a\u670d\u5668\u4e5f\u8981\u80fd\u4e3b\u52d5\u63a8\u9001\u8a0a\u606f\u7d66\u5ba2\u6236\u7aef\u3002\u6700\u9069\u5408\u7528\u54ea\u7a2e\u5354\u5b9a\u4f86\u50b3\u905e\u8a0a\u606f\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(4, 'A', 'C')\">A. HTTP\uff0c\u56e0\u70ba\u5b83\u662f\u6700\u57fa\u672c\u4e5f\u6700\u7a69\u5b9a\u7684<\/li>\n        <li onclick=\"checkAnswer(4, 'B', 'C')\">B. MQTT\uff0c\u56e0\u70ba\u5b83\u652f\u63f4\u767c\u5e03-\u8a02\u95b1\u6a21\u5f0f<\/li>\n        <li onclick=\"checkAnswer(4, 'C', 'C')\">C. WebSocket\uff0c\u56e0\u70ba\u5b83\u652f\u63f4\u96d9\u5411\u6301\u7e8c\u9023\u7dda<\/li>\n        <li onclick=\"checkAnswer(4, 'D', 'C')\">D. WebRTC\uff0c\u56e0\u70ba\u5b83\u5ef6\u9072\u6700\u4f4e<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb4\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q5\">\n      <h3>5. \u7576\u4f60\u547c\u53eb API \u6536\u5230 HTTP \u72c0\u614b\u78bc <code>429<\/code> \u6642\uff0c\u4ee3\u8868\u4ec0\u9ebc\u610f\u601d\uff1f\u61c9\u8a72\u600e\u9ebc\u505a\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(5, 'A', 'D')\">A. \u4f3a\u670d\u5668\u5167\u90e8\u932f\u8aa4\uff0c\u61c9\u8a72\u806f\u7e6b\u5f8c\u7aef\u5718\u968a\u4fee\u5fa9<\/li>\n        <li onclick=\"checkAnswer(5, 'B', 'D')\">B. \u627e\u4e0d\u5230\u8cc7\u6e90\uff0c\u61c9\u8a72\u6aa2\u67e5 URL \u662f\u5426\u6b63\u78ba<\/li>\n        <li onclick=\"checkAnswer(5, 'C', 'D')\">C. \u6c92\u6709\u6b0a\u9650\uff0c\u61c9\u8a72\u91cd\u65b0\u767b\u5165\u53d6\u5f97\u6388\u6b0a<\/li>\n        <li onclick=\"checkAnswer(5, 'D', 'D')\">D. \u8acb\u6c42\u592a\u983b\u7e41\u88ab\u9650\u6d41\uff0c\u61c9\u8a72\u7b49\u5f85\u4e00\u6bb5\u6642\u9593\u5f8c\u91cd\u8a66<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb5\"><\/div>\n    <\/div>\n\n    <div class=\"score\" id=\"score\" style=\"display:none;\"><\/div>\n<script>\n\n      let answered = 0;\n      let correct = 0;\n      const total = 5;\n      const explanations = {\n        1: \" HTTP \u662f\u300c\u4e00\u554f\u4e00\u7b54\u300d\u6a21\u5f0f\uff0c\u5ba2\u6236\u7aef\u767c\u9001\u8acb\u6c42\uff0c\u4f3a\u670d\u5668\u56de\u61c9\u5f8c\u5c0d\u8a71\u5c31\u7d50\u675f\u4e86\u3002\u96d9\u5411\u6301\u7e8c\u9023\u7dda\u662f WebSocket\u3001\u9ede\u5c0d\u9ede\u662f WebRTC\u3001\u767c\u5e03-\u8a02\u95b1\u662f MQTT\u3002\",\n        2: \" \u5728 MQTT \u7684\u767c\u5e03-\u8a02\u95b1\u6a21\u5f0f\u4e2d\uff0cBroker \u662f\u8a0a\u606f\u4e2d\u9593\u4eba\uff0c\u8ca0\u8cac\u63a5\u6536\u767c\u5e03\u8005\u7684\u8a0a\u606f\u4e26\u8f49\u767c\u7d66\u6240\u6709\u8a02\u95b1\u8005\u3002Signaling Server \u548c STUN Server \u662f WebRTC \u7684\u6982\u5ff5\uff0cPublisher \u662f\u767c\u5e03\u8a0a\u606f\u7684\u89d2\u8272\u800c\u975e\u8f49\u767c\u89d2\u8272\u3002\",\n        3: \" RESTful API \u7684\u6700\u4f73\u5be6\u8e10\u662f\uff1aURL \u7528\u540d\u8a5e\u4e0d\u7528\u52d5\u8a5e\uff08HTTP \u65b9\u6cd5\u672c\u8eab\u5c31\u662f\u52d5\u8a5e\uff09\uff0c\u4e26\u4e14\u52a0\u4e0a\u7248\u672c\u865f\u3002<code>POST \/v1\/users<\/code> \u8868\u793a\u300c\u65b0\u589e\u4f7f\u7528\u8005\u300d\uff0cURL \u53ea\u6709\u540d\u8a5e\u4e14\u6709\u7248\u672c\u63a7\u5236\u3002\u5176\u4ed6\u9078\u9805\u90fd\u5728 URL \u4e2d\u6df7\u5165\u4e86\u52d5\u8a5e\uff08getUser\u3001deleteUser\u3001fetchAllUsersList\uff09\u3002\",\n        4: \" \u5373\u6642\u804a\u5929\u9700\u8981\u6301\u7e8c\u9023\u7dda\u548c\u4f3a\u670d\u5668\u4e3b\u52d5\u63a8\u9001\uff0cWebSocket \u6b63\u597d\u6eff\u8db3\u9019\u5169\u9ede\u3002HTTP \u662f\u4e00\u554f\u4e00\u7b54\uff0c\u4e0d\u80fd\u4e3b\u52d5\u63a8\u9001\u3002MQTT \u96d6\u7136\u652f\u63f4\u8a02\u95b1\u4f46\u4e3b\u8981\u7528\u65bc IoT \u8a2d\u5099\u3002WebRTC \u662f\u7528\u65bc\u8996\u8a0a\/\u8a9e\u97f3\u7684\u9ede\u5c0d\u9ede\u901a\u8a0a\uff0c\u7528\u4f86\u505a\u6587\u5b57\u804a\u5929\u592a\u8907\u96dc\u4e86\u3002\",\n        5: \" HTTP 429 \u662f Too Many Requests\uff0c\u8868\u793a\u4f60\u547c\u53eb API \u592a\u983b\u7e41\uff0c\u88ab\u9650\u6d41\uff08Rate Limiting\uff09\u4e86\u3002\u6b63\u78ba\u505a\u6cd5\u662f\u67e5\u770b\u56de\u61c9\u4e2d\u7684 <code>retry_after<\/code> \u6216 <code>X-RateLimit-Reset<\/code> \u7b49\u8cc7\u8a0a\uff0c\u7b49\u5f85\u5f8c\u518d\u91cd\u8a66\u3002500 \u624d\u662f\u4f3a\u670d\u5668\u932f\u8aa4\u3001404 \u662f\u627e\u4e0d\u5230\u3001401\/403 \u624d\u662f\u6b0a\u9650\u554f\u984c\u3002\"\n      };\n\n      function checkAnswer(qNum, selected, correctAns) {\n        const question = document.getElementById(\"q\" + qNum);\n        if (question.classList.contains(\"answered\")) return;\n\n        question.classList.add(\"answered\");\n        answered++;\n\n        const options = question.querySelectorAll(\".options li\");\n        options.forEach((opt) => {\n          opt.classList.add(\"disabled\");\n          if (opt.textContent.startsWith(correctAns + \".\")) {\n            opt.classList.add(\"show-answer\");\n          }\n        });\n\n        const feedback = document.getElementById(\"fb\" + qNum);\n        if (selected === correctAns) {\n          correct++;\n          feedback.className = \"feedback correct\";\n          feedback.innerHTML = \"\\u2713 \u6b63\u78ba\uff01\" + explanations[qNum];\n        } else {\n          feedback.className = \"feedback wrong\";\n          feedback.innerHTML =\n            \"\\u2717 \u932f\u8aa4\u3002\u6b63\u78ba\u7b54\u6848\u662f \" + correctAns + \"\u3002\" + explanations[qNum];\n          options.forEach((opt) => {\n            if (opt.textContent.startsWith(selected + \".\")) {\n              opt.classList.add(\"wrong\");\n            }\n          });\n        }\n\n        if (answered === total) {\n          const scoreDiv = document.getElementById(\"score\");\n          scoreDiv.style.display = \"block\";\n          scoreDiv.innerHTML =\n            \"\u6e2c\u9a57\u5b8c\u6210\uff01\u5f97\u5206\uff1a\" +\n            correct +\n            \" \/ \" +\n            total +\n            (correct === total\n              ? \" \\uD83C\\uDF89 \u5168\u5c0d\uff01\"\n              : correct >= Math.ceil(total * 0.6)\n                ? \" \\uD83D\\uDC4D \u4e0d\u932f\uff01\"\n                : \" \\uD83D\\uDCDA \u518d\u8907\u7fd2\u4e00\u4e0b\u5427\");\n        }\n      }\n    \n<\/script>\n<\/div>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">**\u7cfb\u5217**\uff1a\u7cfb\u7d71\u8a2d\u8a08\u767d\u8a71\u6587\uff08\u7b2c 3 \u7bc7\uff0c\u5171 5 \u7bc7\uff09<br>**\u96e3\u5ea6**\uff1aL2-\u9032\u968e<br>**\u524d\u7f6e\u77e5\u8b58**\uff1a\u3010\u7cfb\u7d71\u8a2d\u8a08\u767d\u8a71\u6587\u3011#02 \u8a2d\u8a08\u9700\u6c42\u8207\u7db2\u8def\u57fa\u790e<br>**\u5f71\u7247\u4f86\u6e90**\uff1afreeCodeCamp &#8220;[System Design Concepts Course and Interview Prep](https:\/\/www.youtube.com\/watch?v=F2FmTdLtb_4)&#8221; by Hayk Simonyan<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u53e5\u8a71\u8aaa\u660e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u61c9\u7528\u5c64\u5354\u5b9a\u6c7a\u5b9a\u4e86\u300c\u524d\u7aef\u8ddf\u5f8c\u7aef\u600e\u9ebc\u5c0d\u8a71\u300d\uff0cAPI \u8a2d\u8a08\u6c7a\u5b9a\u4e86\u300c\u5c0d\u8a71\u7684\u898f\u5247\u300d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f60\u6703\u5b78\u5230\u4ec0\u9ebc<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8b80\u5b8c\u9019\u7bc7\uff0c\u4f60\u6703\u80fd\u5920\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>\u6bd4\u8f03 HTTP\u3001WebSocket\u3001WebRTC\u3001MQTT \u56db\u7a2e\u5354\u5b9a\uff0c\u77e5\u9053\u5b83\u5011\u5404\u81ea\u5728\u5e79\u561b<\/li>\n\n\n<li>\u5217\u51fa\u8a2d\u8a08\u597d\u7528 API \u7684\u95dc\u9375\u539f\u5247\uff08\u7248\u672c\u63a7\u5236\u3001\u5206\u9801\u3001\u932f\u8aa4\u8655\u7406\u7b49\uff09<\/li>\n\n\n<li>\u78b0\u5230\u4e0d\u540c\u61c9\u7528\u9700\u6c42\u6642\uff0c\u5224\u65b7\u8a72\u7528\u54ea\u7a2e\u5354\u5b9a<\/li>\n\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5148\u641e\u61c2\u4e00\u4ef6\u4e8b\uff1a\u4ec0\u9ebc\u662f\u300c\u61c9\u7528\u5c64\u5354\u5b9a\u300d\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u4e00\u7bc7\u6211\u5011\u8b1b\u4e86\u7db2\u8def\u57fa\u790e\u3002\u4f60\u5df2\u7d93\u77e5\u9053\u8cc7\u6599\u5728\u7db2\u8def\u4e0a\u600e\u9ebc\u50b3\u8f38\u3002\u4f46\u300c\u50b3\u8f38\u300d\u53ea\u662f\u628a\u8cc7\u6599\u642c\u904e\u53bb\uff0c\u61c9\u7528\u5c64\u5354\u5b9a\u6c7a\u5b9a\u7684\u662f\u2014\u2014<strong>\u8cc7\u6599\u7528\u4ec0\u9ebc\u683c\u5f0f\u3001\u6309\u4ec0\u9ebc\u898f\u5247\u4ea4\u63db<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6253\u500b\u6bd4\u65b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li><strong>\u50b3\u8f38\u5c64\uff08TCP\/UDP\uff09<\/strong>\uff1d\u99ac\u8def\u548c\u5361\u8eca\uff0c\u8ca0\u8cac\u628a\u6771\u897f\u904b\u904e\u53bb<\/li>\n\n\n<li><strong>\u61c9\u7528\u5c64\u5354\u5b9a\uff08HTTP \u7b49\uff09<\/strong>\uff1d\u5305\u88f9\u4e0a\u7684\u683c\u5f0f\u6a19\u7c64\uff0c\u544a\u8a34\u6536\u4ef6\u4eba\u300c\u9019\u662f\u4ec0\u9ebc\u3001\u8981\u600e\u9ebc\u8655\u7406\u300d<\/li>\n\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u6bcf\u5929\u7528\u7684 Web \u61c9\u7528\uff0c\u80cc\u5f8c\u5e7e\u4e4e\u90fd\u5728\u7528\u61c9\u7528\u5c64\u5354\u5b9a\u3002\u9019\u7bc7\u8981\u4ecb\u7d39\u56db\u7a2e\u6700\u5e38\u898b\u7684\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5354\u5b9a\u4e00\uff1aHTTP \u2014 \u4f60\u6700\u719f\u7684\u90a3\u500b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u53e5\u8a71\u8aaa\u660e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">HTTP \u662f\u300c\u4e00\u554f\u4e00\u7b54\u300d\u6a21\u5f0f\uff1a\u5ba2\u6236\u7aef\u767c\u8acb\u6c42\uff0c\u4f3a\u670d\u5668\u56de\u56de\u61c9\uff0c\u7136\u5f8c\u7d50\u675f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6700\u5c0f\u7bc4\u4f8b<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">\u5ba2\u6236\u7aef \u2192 \u4f3a\u670d\u5668\uff1aGET \/api\/users\/<span class=\"hljs-number\">123<\/span>\n\u4f3a\u670d\u5668 \u2192 \u5ba2\u6236\u7aef\uff1a{ <span class=\"hljs-string\">\"id\"<\/span>: <span class=\"hljs-number\">123<\/span>, <span class=\"hljs-string\">\"name\"<\/span>: <span class=\"hljs-string\">\"Alice\"<\/span> }\n\uff08\u5c0d\u8a71\u7d50\u675f\uff09\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u767d\u8a71\u7ffb\u8b6f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">HTTP \u5c31\u50cf<strong>\u5bc4\u4fe1<\/strong>\uff1a\u4f60\u5beb\u4e00\u5c01\u4fe1\uff08\u8acb\u6c42\uff09\u5bc4\u51fa\u53bb\uff0c\u5c0d\u65b9\u6536\u5230\u5f8c\u56de\u4f60\u4e00\u5c01\u4fe1\uff08\u56de\u61c9\uff09\uff0c\u5c31\u9019\u6a23\u3002\u6bcf\u6b21\u8981\u65b0\u8cc7\u6599\uff0c\u90fd\u5f97\u518d\u5bc4\u4e00\u5c01\u65b0\u7684\u4fe1\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6838\u5fc3\u6982\u5ff5\u7ffb\u8b6f<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u4f60\u6703\u770b\u5230<\/th>\n<th>\u610f\u601d<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>GET \/users<\/code><\/td>\n<td>\u300c\u8acb\u7d66\u6211\u4f7f\u7528\u8005\u5217\u8868\u300d<\/td>\n<\/tr>\n<tr>\n<td><code>POST \/users<\/code><\/td>\n<td>\u300c\u6211\u8981\u65b0\u589e\u4e00\u500b\u4f7f\u7528\u8005\u300d<\/td>\n<\/tr>\n<tr>\n<td><code>PUT \/users\/123<\/code><\/td>\n<td>\u300c\u6211\u8981\u6574\u500b\u8986\u84cb\u4f7f\u7528\u8005 123 \u7684\u8cc7\u6599\u300d<\/td>\n<\/tr>\n<tr>\n<td><code>PATCH \/users\/123<\/code><\/td>\n<td>\u300c\u6211\u8981\u4fee\u6539\u4f7f\u7528\u8005 123 \u7684\u67d0\u4e9b\u6b04\u4f4d\u300d<\/td>\n<\/tr>\n<tr>\n<td><code>DELETE \/users\/123<\/code><\/td>\n<td>\u300c\u8acb\u522a\u6389\u4f7f\u7528\u8005 123\u300d<\/td>\n<\/tr>\n<tr>\n<td><code>200 OK<\/code><\/td>\n<td>\u300c\u597d\u7684\uff0c\u8655\u7406\u5b8c\u4e86\uff0c\u9019\u662f\u7d50\u679c\u300d<\/td>\n<\/tr>\n<tr>\n<td><code>404 Not Found<\/code><\/td>\n<td>\u300c\u627e\u4e0d\u5230\u4f60\u8981\u7684\u6771\u897f\u300d<\/td>\n<\/tr>\n<tr>\n<td><code>500 Internal Server Error<\/code><\/td>\n<td>\u300c\u4f3a\u670d\u5668\u81ea\u5df1\u51fa\u554f\u984c\u4e86\u300d<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u9069\u5408\u4ec0\u9ebc\u60c5\u5883\uff1f<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>\u5927\u591a\u6578\u7684 Web \u61c9\u7528\uff08\u7db2\u9801\u700f\u89bd\u3001\u8868\u55ae\u9001\u51fa\u3001API \u547c\u53eb\uff09<\/li>\n\n\n<li>\u8cc7\u6599\u4e0d\u9700\u8981\u300c\u5373\u6642\u63a8\u9001\u300d\u7684\u5834\u666f<\/li>\n\n\n<li>RESTful API \u7684\u57fa\u790e<\/li>\n\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u770b\u5230 HTTP \u8acb\u6c42\u6642\u8981\u78ba\u8a8d<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>[ ] \u7528\u4e86\u54ea\u500b\u52d5\u8a5e\uff08GET \/ POST \/ PUT \/ DELETE\uff09\uff1f<\/li>\n\n\n<li>[ ] \u56de\u61c9\u7684\u72c0\u614b\u78bc\u662f\u4ec0\u9ebc\uff082xx \u6210\u529f\u30014xx \u5ba2\u6236\u7aef\u932f\u8aa4\u30015xx \u4f3a\u670d\u5668\u932f\u8aa4\uff09\uff1f<\/li>\n\n\n<li>[ ] \u6709\u6c92\u6709\u5e36 Authorization header\uff08\u8a8d\u8b49\u8cc7\u8a0a\uff09\uff1f<\/li>\n\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5354\u5b9a\u4e8c\uff1aWebSocket \u2014 \u6301\u7e8c\u5c0d\u8a71\u7684\u901a\u9053<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u53e5\u8a71\u8aaa\u660e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">WebSocket \u662f\u300c\u958b\u4e00\u689d\u96fb\u8a71\u7dda\uff0c\u96d9\u65b9\u53ef\u4ee5\u96a8\u6642\u8aaa\u8a71\u300d\uff0c\u4e0d\u7528\u6bcf\u6b21\u90fd\u91cd\u65b0\u6253\u96fb\u8a71\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6700\u5c0f\u7bc4\u4f8b<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ \u5ba2\u6236\u7aef\u5efa\u7acb WebSocket \u9023\u7dda<\/span>\n<span class=\"hljs-keyword\">const<\/span> ws = <span class=\"hljs-keyword\">new<\/span> WebSocket(<span class=\"hljs-string\">\"ws:\/\/example.com\/chat\"<\/span>);\n\nws.onopen = <span class=\"hljs-function\"><span class=\"hljs-params\">()<\/span> =&gt;<\/span> {            <span class=\"hljs-comment\">\/\/ \u9023\u7dda\u5efa\u7acb\u6210\u529f\u6642<\/span>\n  ws.send(<span class=\"hljs-string\">\"Hello!\"<\/span>);           <span class=\"hljs-comment\">\/\/ \u50b3\u8a0a\u606f\u7d66\u4f3a\u670d\u5668<\/span>\n};\n\nws.onmessage = <span class=\"hljs-function\">(<span class=\"hljs-params\">event<\/span>) =&gt;<\/span> {    <span class=\"hljs-comment\">\/\/ \u6536\u5230\u4f3a\u670d\u5668\u8a0a\u606f\u6642<\/span>\n  <span class=\"hljs-built_in\">console<\/span>.log(event.data);     <span class=\"hljs-comment\">\/\/ \u5370\u51fa\u4f86<\/span>\n};\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u9010\u884c\u7ffb\u8b6f<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">const<\/span> ws = <span class=\"hljs-keyword\">new<\/span> WebSocket(<span class=\"hljs-string\">\"ws:\/\/example.com\/chat\"<\/span>);\n<span class=\"hljs-comment\">\/\/ \u2191 \u8ddf example.com \u5efa\u7acb\u4e00\u689d\u6301\u7e8c\u9023\u7dda\uff08\u6ce8\u610f\u662f ws:\/\/ \u4e0d\u662f http:\/\/\uff09<\/span>\n\nws.onopen = <span class=\"hljs-function\"><span class=\"hljs-params\">()<\/span> =&gt;<\/span> {\n<span class=\"hljs-comment\">\/\/ \u2191 \u300c\u9023\u7dda\u6210\u529f\u6642\u300d\u8981\u505a\u7684\u4e8b<\/span>\n\n  ws.send(<span class=\"hljs-string\">\"Hello!\"<\/span>);\n  <span class=\"hljs-comment\">\/\/ \u2191 \u900f\u904e\u9019\u689d\u9023\u7dda\u50b3\u8a0a\u606f\u51fa\u53bb<\/span>\n\nws.onmessage = <span class=\"hljs-function\">(<span class=\"hljs-params\">event<\/span>) =&gt;<\/span> {\n<span class=\"hljs-comment\">\/\/ \u2191 \u300c\u6536\u5230\u8a0a\u606f\u6642\u300d\u8981\u505a\u7684\u4e8b\uff08\u4f3a\u670d\u5668\u53ef\u4ee5\u96a8\u6642\u4e3b\u52d5\u63a8\u8a0a\u606f\u904e\u4f86\uff01\uff09<\/span>\n\n  <span class=\"hljs-built_in\">console<\/span>.log(event.data);\n  <span class=\"hljs-comment\">\/\/ \u2191 \u628a\u6536\u5230\u7684\u8a0a\u606f\u5370\u51fa\u4f86<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">HTTP vs WebSocket \u5c0d\u6bd4<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">HTTP\uff08\u4e00\u554f\u4e00\u7b54\uff09\uff1a\n\u5ba2\u6236\u7aef \u2192 \u6709\u65b0\u8a0a\u606f\u55ce\uff1f \u2192 \u4f3a\u670d\u5668\uff1a\u6c92\u6709\n\u5ba2\u6236\u7aef \u2192 \u6709\u65b0\u8a0a\u606f\u55ce\uff1f \u2192 \u4f3a\u670d\u5668\uff1a\u6c92\u6709\n\u5ba2\u6236\u7aef \u2192 \u6709\u65b0\u8a0a\u606f\u55ce\uff1f \u2192 \u4f3a\u670d\u5668\uff1a\u6709\uff01\u7d66\u4f60\n\uff08\u6bcf\u6b21\u90fd\u8981\u91cd\u65b0\u554f\uff09\n\nWebSocket\uff08\u6301\u7e8c\u9023\u7dda\uff09\uff1a\n\u5ba2\u6236\u7aef \u2190\u2192 \u4f3a\u670d\u5668\uff08\u9023\u7dda\u5efa\u7acb\uff09\n\u4f3a\u670d\u5668 \u2192 \u6709\u65b0\u8a0a\u606f\u4e86\uff01\u76f4\u63a5\u63a8\u7d66\u4f60\n\u4f3a\u670d\u5668 \u2192 \u53c8\u6709\u4e00\u5247\uff01\u76f4\u63a5\u63a8\u7d66\u4f60\n\uff08\u9023\u7dda\u4e00\u76f4\u958b\u8457\uff0c\u4f3a\u670d\u5668\u4e3b\u52d5\u63a8\u9001\uff09\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u9069\u5408\u4ec0\u9ebc\u60c5\u5883\uff1f<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>\u804a\u5929\u5ba4\uff08LINE\u3001Discord \u7684\u5373\u6642\u8a0a\u606f\uff09<\/li>\n\n\n<li>\u5373\u6642\u901a\u77e5\uff08\u80a1\u7968\u5831\u50f9\u3001\u904b\u52d5\u6bd4\u5206\uff09<\/li>\n\n\n<li>\u5354\u4f5c\u7de8\u8f2f\uff08Google Docs \u591a\u4eba\u540c\u6642\u7de8\u8f2f\uff09<\/li>\n\n\n<li>\u7dda\u4e0a\u904a\u6232\uff08\u9700\u8981\u5373\u6642\u540c\u6b65\u904a\u6232\u72c0\u614b\uff09<\/li>\n\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u770b\u5230 WebSocket \u6642\u8981\u78ba\u8a8d<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>[ ] \u9023\u7dda\u6709\u6c92\u6709\u8655\u7406\u65b7\u7dda\u91cd\u9023\u7684\u908f\u8f2f\uff1f<\/li>\n\n\n<li>[ ] \u6709\u6c92\u6709\u8655\u7406 <code>onerror<\/code> \u548c <code>onclose<\/code> \u4e8b\u4ef6\uff1f<\/li>\n\n\n<li>[ ] URL \u662f <code>ws:\/\/<\/code> \u9084\u662f <code>wss:\/\/<\/code>\uff08\u52a0\u5bc6\u7248\u672c\uff09\uff1f<\/li>\n\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5354\u5b9a\u4e09\uff1aWebRTC \u2014 \u4e0d\u7d93\u904e\u4f3a\u670d\u5668\u7684\u9ede\u5c0d\u9ede\u901a\u8a0a<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u53e5\u8a71\u8aaa\u660e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">WebRTC \u8b93\u5169\u500b\u700f\u89bd\u5668<strong>\u76f4\u63a5\u5c0d\u8a71<\/strong>\uff0c\u4e0d\u7528\u7e5e\u904e\u4f3a\u670d\u5668\uff0c\u9069\u5408\u8996\u8a0a\u901a\u8a71\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u904b\u4f5c\u65b9\u5f0f\u767d\u8a71\u7248<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u4e00\u822c\u901a\u8a0a\uff08\u7d93\u904e\u4f3a\u670d\u5668\uff09\uff1a\nAlice \u2192 \u4f3a\u670d\u5668 \u2192 Bob\n\nWebRTC\uff08\u9ede\u5c0d\u9ede\uff09\uff1a\nAlice \u2190\u2192 Bob\uff08\u76f4\u63a5\u9023\u7dda\uff0c\u4e0d\u7d93\u904e\u4f3a\u670d\u5668\uff09\n\n\u4f46\u8981\u5148\u300c\u727d\u7dda\u300d\uff1a\nAlice \u2192 \u4fe1\u4ee4\u4f3a\u670d\u5668\uff08\u6211\u60f3\u8ddf Bob \u901a\u8a71\uff09\nBob \u2190 \u4fe1\u4ee4\u4f3a\u670d\u5668\uff08Alice \u60f3\u8ddf\u4f60\u901a\u8a71\uff09\nAlice \u2190\u2192 Bob\uff08\u597d\uff0c\u6211\u5011\u76f4\u63a5\u9023\uff09\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u6838\u5fc3\u6982\u5ff5\u7ffb\u8b6f<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u4f60\u6703\u770b\u5230<\/th>\n<th>\u610f\u601d<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Peer-to-Peer (P2P)<\/td>\n<td>\u5169\u500b\u88dd\u7f6e\u76f4\u63a5\u901a\u8a0a\uff0c\u4e0d\u7d93\u904e\u4e2d\u9593\u4eba<\/td>\n<\/tr>\n<tr>\n<td>Signaling Server<\/td>\n<td>\u300c\u727d\u7dda\u4f3a\u670d\u5668\u300d\uff0c\u53ea\u8ca0\u8cac\u8b93\u96d9\u65b9\u77e5\u9053\u5f7c\u6b64\u5b58\u5728<\/td>\n<\/tr>\n<tr>\n<td>STUN Server<\/td>\n<td>\u5e6b\u4f60\u627e\u5230\u81ea\u5df1\u7684\u516c\u958b IP\uff08\u56e0\u70ba\u4f60\u5728\u8def\u7531\u5668\u5f8c\u9762\uff09<\/td>\n<\/tr>\n<tr>\n<td>TURN Server<\/td>\n<td>\u7576\u5169\u65b9\u771f\u7684\u7121\u6cd5\u76f4\u9023\u6642\uff0c\u9000\u800c\u6c42\u5176\u6b21\u7576\u4e2d\u7e7c\u7ad9<\/td>\n<\/tr>\n<tr>\n<td>ICE Candidate<\/td>\n<td>\u53ef\u80fd\u7684\u9023\u7dda\u8def\u5f91\uff0c\u7cfb\u7d71\u6703\u81ea\u52d5\u9078\u6700\u5feb\u7684\u90a3\u689d<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u9069\u5408\u4ec0\u9ebc\u60c5\u5883\uff1f<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>\u8996\u8a0a\u901a\u8a71\uff08Google Meet\u3001Zoom \u7684\u90e8\u5206\u529f\u80fd\uff09<\/li>\n\n\n<li>\u8a9e\u97f3\u901a\u8a71<\/li>\n\n\n<li>\u87a2\u5e55\u5206\u4eab<\/li>\n\n\n<li>P2P \u6a94\u6848\u50b3\u8f38<\/li>\n\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u770b\u5230 WebRTC \u6642\u8981\u78ba\u8a8d<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>[ ] \u6709\u6c92\u6709\u8a2d\u5b9a STUN\/TURN \u4f3a\u670d\u5668\uff1f\uff08\u6c92\u6709\u7684\u8a71\u5f88\u591a\u7db2\u8def\u74b0\u5883\u6703\u9023\u4e0d\u4e0a\uff09<\/li>\n\n\n<li>[ ] \u662f\u7d14 P2P \u9084\u662f\u6709 fallback \u5230\u4f3a\u670d\u5668\u8f49\u767c\uff1f<\/li>\n\n\n<li>[ ] \u6709\u6c92\u6709\u8655\u7406\u6b0a\u9650\u8acb\u6c42\uff08\u651d\u5f71\u6a5f\u3001\u9ea5\u514b\u98a8\uff09\uff1f<\/li>\n\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5354\u5b9a\u56db\uff1aMQTT \u2014 IoT \u8a2d\u5099\u7684\u8f15\u91cf\u7d1a\u901a\u8a0a<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u53e5\u8a71\u8aaa\u660e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">MQTT \u662f\u300c\u8a02\u5831\u7d19\u300d\u6a21\u5f0f\uff1a\u8a2d\u5099\u8a02\u95b1\u7279\u5b9a\u4e3b\u984c\uff0c\u6709\u65b0\u8cc7\u6599\u6642\u81ea\u52d5\u6536\u5230\uff0c\u5c08\u70ba\u4f4e\u529f\u8017\u8a2d\u5099\u8a2d\u8a08\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u904b\u4f5c\u65b9\u5f0f\u767d\u8a71\u7248<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u767c\u5e03-\u8a02\u95b1\u6a21\u5f0f\uff1a\n\n\u6eab\u5ea6\u611f\u6e2c\u5668 \u2192 \u767c\u5e03\u5230\u300ckitchen\/temperature\u300d\u4e3b\u984c \u2192 Broker\uff08\u4e2d\u9593\u4eba\uff09\n                                                    \u2193\n\u624b\u6a5f App \u2190 \u8a02\u95b1\u300ckitchen\/temperature\u300d\u4e3b\u984c \u2190 Broker\n\u5100\u8868\u677f   \u2190 \u8a02\u95b1\u300ckitchen\/temperature\u300d\u4e3b\u984c \u2190 Broker\n\n\u611f\u6e2c\u5668\u53ea\u7ba1\u767c\u5e03\uff0c\u4e0d\u7528\u77e5\u9053\u8ab0\u5728\u807d\n\u624b\u6a5f\u548c\u5100\u8868\u677f\u53ea\u7ba1\u8a02\u95b1\uff0c\u4e0d\u7528\u77e5\u9053\u8ab0\u5728\u767c\nBroker \u8ca0\u8cac\u8f49\u767c\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u6838\u5fc3\u6982\u5ff5\u7ffb\u8b6f<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u4f60\u6703\u770b\u5230<\/th>\n<th>\u610f\u601d<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Broker<\/td>\n<td>\u8a0a\u606f\u4e2d\u9593\u4eba\uff0c\u8ca0\u8cac\u63a5\u6536\u548c\u8f49\u767c<\/td>\n<\/tr>\n<tr>\n<td>Publish<\/td>\n<td>\u767c\u5e03\u8a0a\u606f\u5230\u67d0\u500b\u4e3b\u984c<\/td>\n<\/tr>\n<tr>\n<td>Subscribe<\/td>\n<td>\u8a02\u95b1\u67d0\u500b\u4e3b\u984c\uff0c\u6709\u65b0\u8a0a\u606f\u5c31\u6536\u5230<\/td>\n<\/tr>\n<tr>\n<td>Topic<\/td>\n<td>\u8a0a\u606f\u7684\u5206\u985e\uff0c\u50cf\u8cc7\u6599\u593e\u8def\u5f91\uff08\u4f8b\u5982 <code>home\/bedroom\/light<\/code>\uff09<\/td>\n<\/tr>\n<tr>\n<td>QoS 0<\/td>\n<td>\u6700\u591a\u9001\u4e00\u6b21\uff08\u53ef\u80fd\u6f0f\u6389\uff09<\/td>\n<\/tr>\n<tr>\n<td>QoS 1<\/td>\n<td>\u81f3\u5c11\u9001\u4e00\u6b21\uff08\u53ef\u80fd\u91cd\u8907\uff09<\/td>\n<\/tr>\n<tr>\n<td>QoS 2<\/td>\n<td>\u525b\u597d\u9001\u4e00\u6b21\uff08\u6700\u53ef\u9760\u4f46\u6700\u6162\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u9069\u5408\u4ec0\u9ebc\u60c5\u5883\uff1f<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>IoT \u8a2d\u5099\uff08\u667a\u6167\u5bb6\u5c45\u611f\u6e2c\u5668\u3001\u5de5\u5ee0\u8a2d\u5099\u76e3\u63a7\uff09<\/li>\n\n\n<li>\u4f4e\u983b\u5bec\u3001\u4e0d\u7a69\u5b9a\u7684\u7db2\u8def\u74b0\u5883<\/li>\n\n\n<li>\u8a2d\u5099\u529f\u8017\u5f88\u4f4e\uff0c\u4e0d\u80fd\u4e00\u76f4\u7dad\u6301\u8907\u96dc\u9023\u7dda<\/li>\n\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">MQTT vs HTTP \u5dee\u5728\u54ea\uff1f<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-4\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">HTTP\uff08\u6bcf\u6b21\u90fd\u5b8c\u6574\u8acb\u6c42\uff09\uff1a\n\u611f\u6e2c\u5668 \u2192 POST \/api\/temperature { <span class=\"hljs-string\">\"value\"<\/span>: <span class=\"hljs-number\">25.3<\/span> }\n         \u2191 \u6bcf\u6b21\u8981\u5e36\u5b8c\u6574\u7684 HTTP headers\uff0c\u5f88\u91cd\n\nMQTT\uff08\u8f15\u91cf\u767c\u5e03\uff09\uff1a\n\u611f\u6e2c\u5668 \u2192 \u767c\u5e03 <span class=\"hljs-string\">\"25.3\"<\/span> \u5230 <span class=\"hljs-string\">\"kitchen\/temp\"<\/span>\n         \u2191 \u5c01\u5305\u5f88\u5c0f\uff0c\u7701\u96fb\u7701\u983b\u5bec\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-4\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u7a2e\u5354\u5b9a\u600e\u9ebc\u9078\uff1f\u6c7a\u7b56\u6a39<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9047\u5230\u7cfb\u7d71\u8a2d\u8a08\u554f\u984c\u6642\uff0c\u7528\u9019\u500b\u6d41\u7a0b\u5224\u65b7\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u4f60\u7684\u61c9\u7528\u9700\u8981\u4ec0\u9ebc\uff1f\n\u2502\n\u251c\u2500 \u4e00\u822c\u7684 Web API\uff08\u8b80\u5beb\u8cc7\u6599\uff09\n\u2502   \u2192 \u7528 HTTP\uff08REST API\uff09\n\u2502\n\u251c\u2500 \u5373\u6642\u96d9\u5411\u901a\u8a0a\uff08\u804a\u5929\u3001\u901a\u77e5\u3001\u5373\u6642\u66f4\u65b0\uff09\n\u2502   \u2192 \u7528 WebSocket\n\u2502\n\u251c\u2500 \u8996\u8a0a\/\u8a9e\u97f3\u901a\u8a71\u3001\u87a2\u5e55\u5206\u4eab\uff08\u9700\u8981\u4f4e\u5ef6\u9072 P2P\uff09\n\u2502   \u2192 \u7528 WebRTC\n\u2502\n\u2514\u2500 IoT \u8a2d\u5099\u3001\u611f\u6e2c\u5668\uff08\u4f4e\u529f\u8017\u3001\u4f4e\u983b\u5bec\uff09\n    \u2192 \u7528 MQTT\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u5f35\u8868\u770b\u61c2\u56db\u7a2e\u5354\u5b9a<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u7279\u6027<\/th>\n<th>HTTP<\/th>\n<th>WebSocket<\/th>\n<th>WebRTC<\/th>\n<th>MQTT<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u901a\u8a0a\u65b9\u5411<\/strong><\/td>\n<td>\u4e00\u554f\u4e00\u7b54<\/td>\n<td>\u96d9\u5411<\/td>\n<td>\u96d9\u5411\uff08P2P\uff09<\/td>\n<td>\u767c\u5e03-\u8a02\u95b1<\/td>\n<\/tr>\n<tr>\n<td><strong>\u9023\u7dda\u65b9\u5f0f<\/strong><\/td>\n<td>\u6bcf\u6b21\u65b0\u9023\u7dda<\/td>\n<td>\u6301\u7e8c\u9023\u7dda<\/td>\n<td>\u9ede\u5c0d\u9ede<\/td>\n<td>\u900f\u904e Broker<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5ef6\u9072<\/strong><\/td>\n<td>\u4e2d<\/td>\n<td>\u4f4e<\/td>\n<td>\u6975\u4f4e<\/td>\n<td>\u4f4e<\/td>\n<\/tr>\n<tr>\n<td><strong>\u9069\u5408\u5834\u666f<\/strong><\/td>\n<td>Web API<\/td>\n<td>\u804a\u5929\/\u901a\u77e5<\/td>\n<td>\u8996\u8a0a\u901a\u8a71<\/td>\n<td>IoT<\/td>\n<\/tr>\n<tr>\n<td><strong>\u8907\u96dc\u5ea6<\/strong><\/td>\n<td>\u4f4e<\/td>\n<td>\u4e2d<\/td>\n<td>\u9ad8<\/td>\n<td>\u4e2d<\/td>\n<\/tr>\n<tr>\n<td><strong>\u9700\u8981\u4f3a\u670d\u5668\uff1f<\/strong><\/td>\n<td>\u662f<\/td>\n<td>\u662f<\/td>\n<td>\u53ea\u9700\u4fe1\u4ee4\u4f3a\u670d\u5668<\/td>\n<td>\u9700\u8981 Broker<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">API \u8a2d\u8a08\u6700\u4f73\u5be6\u8e10\uff1a\u8b93\u4f60\u7684 API \u597d\u7528\u53c8\u597d\u7dad\u8b77<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u77e5\u9053\u4e86\u5354\u5b9a\u4e4b\u5f8c\uff0c\u6700\u5e38\u7528\u7684\u9084\u662f HTTP\u3002\u800c\u57fa\u65bc HTTP \u7684 API \u600e\u9ebc\u8a2d\u8a08\u624d\u597d\u7528\uff1f\u9019\u5c31\u662f REST API \u8a2d\u8a08\u7684\u6838\u5fc3\u554f\u984c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u597d\u7684 API vs \u58de\u7684 API<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u770b\u5c0d\u6bd4\uff0c\u4f60\u5c31\u77e5\u9053\u5dee\u5728\u54ea\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u58de\u7684 API\uff08\u770b\u4e0d\u51fa\u5728\u5e79\u561b\uff09\uff1a\nGET  \/getUser?id=123\nPOST \/createNewUser\nPOST \/deleteUser\nGET  \/fetchAllUsersList\n\n\u597d\u7684 API\uff08\u4e00\u770b\u5c31\u61c2\uff09\uff1a\nGET    \/v1\/users\/123       \u2190 \u53d6\u5f97\u4f7f\u7528\u8005 123\nPOST   \/v1\/users           \u2190 \u65b0\u589e\u4f7f\u7528\u8005\nDELETE \/v1\/users\/123       \u2190 \u522a\u9664\u4f7f\u7528\u8005 123\nGET    \/v1\/users           \u2190 \u53d6\u5f97\u4f7f\u7528\u8005\u5217\u8868\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u539f\u5247\u4e00\uff1a\u7528\u540d\u8a5e\u4e0d\u7528\u52d5\u8a5e<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u58de\uff1aGET \/getUsers          \u2190 \u52d5\u8a5e + \u540d\u8a5e\uff0c\u5197\u9918\n\u597d\uff1aGET \/users             \u2190 HTTP \u52d5\u8a5e\u5df2\u7d93\u8868\u793a\u52d5\u4f5c\u4e86\n<\/code><\/span><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ffb\u8b6f<\/strong>\uff1aHTTP \u65b9\u6cd5\uff08GET\u3001POST\u3001DELETE\uff09\u672c\u8eab\u5c31\u662f\u52d5\u8a5e\u4e86\uff0cURL \u53ea\u653e\u540d\u8a5e\u5c31\u597d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u539f\u5247\u4e8c\uff1a\u7248\u672c\u63a7\u5236<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\/v1\/users     \u2190 \u7b2c\u4e00\u7248 API\n\/v2\/users     \u2190 \u7b2c\u4e8c\u7248\uff0c\u53ef\u80fd\u6539\u4e86\u56de\u50b3\u683c\u5f0f\n<\/code><\/span><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ffb\u8b6f<\/strong>\uff1aAPI \u6703\u6539\u7248\u3002\u52a0\u7248\u865f\u8b93\u820a\u7684 App \u4e0d\u6703\u56e0\u70ba\u4f60\u66f4\u65b0 API \u800c\u58de\u6389\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u539f\u5247\u4e09\uff1a\u5206\u9801\uff08Pagination\uff09<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u58de\uff1aGET \/users             \u2190 \u4e00\u6b21\u56de\u50b3\u5168\u90e8 10 \u842c\u7b46\uff1f\u4f3a\u670d\u5668\u70b8\u4e86\n\u597d\uff1aGET \/users?page=1&amp;limit=20  \u2190 \u6bcf\u6b21\u53ea\u56de 20 \u7b46\uff0c\u7b2c 1 \u9801\n<\/code><\/span><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ffb\u8b6f<\/strong>\uff1a\u8cc7\u6599\u5f88\u591a\u6642\uff0c\u5206\u6279\u7d66\u3002\u8ddf Google \u641c\u5c0b\u7d50\u679c\u5206\u9801\u4e00\u6a23\u7684\u9053\u7406\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5e38\u898b\u7684\u5206\u9801\u53c3\u6578<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u53c3\u6578<\/th>\n<th>\u610f\u601d<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>page=2&amp;limit=20<\/code><\/td>\n<td>\u7b2c 2 \u9801\uff0c\u6bcf\u9801 20 \u7b46<\/td>\n<\/tr>\n<tr>\n<td><code>offset=40&amp;limit=20<\/code><\/td>\n<td>\u8df3\u904e\u524d 40 \u7b46\uff0c\u53d6 20 \u7b46<\/td>\n<\/tr>\n<tr>\n<td><code>cursor=abc123<\/code><\/td>\n<td>\u5f9e\u4e0a\u6b21\u7d50\u679c\u7684\u6a19\u8a18\u7e7c\u7e8c\u5f80\u4e0b\u53d6\uff08\u6548\u80fd\u6700\u597d\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u539f\u5247\u56db\uff1a\u6b63\u78ba\u4f7f\u7528\u72c0\u614b\u78bc<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-5\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">\u58de\uff1a\u6c38\u9060\u56de <span class=\"hljs-number\">200<\/span>\uff0c\u628a\u932f\u8aa4\u85cf\u5728 body \u88e1\n{\n  <span class=\"hljs-string\">\"status\"<\/span>: <span class=\"hljs-number\">200<\/span>,\n  <span class=\"hljs-string\">\"error\"<\/span>: <span class=\"hljs-string\">\"User not found\"<\/span>   \u2190 \u660e\u660e\u627e\u4e0d\u5230\uff0c\u9084\u56de <span class=\"hljs-number\">200<\/span>\uff1f\n}\n\n\u597d\uff1a\u7528\u6b63\u78ba\u7684 HTTP \u72c0\u614b\u78bc\n<span class=\"hljs-number\">404<\/span> Not Found\n{\n  <span class=\"hljs-string\">\"error\"<\/span>: <span class=\"hljs-string\">\"User not found\"<\/span>,\n  <span class=\"hljs-string\">\"code\"<\/span>: <span class=\"hljs-string\">\"USER_NOT_FOUND\"<\/span>\n}\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-5\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h4 class=\"wp-block-heading\">\u5fc5\u770b\u61c2\u7684\u72c0\u614b\u78bc\u5206\u985e<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u7bc4\u570d<\/th>\n<th>\u610f\u601d<\/th>\n<th>\u5e38\u898b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>2xx<\/td>\n<td>\u6210\u529f<\/td>\n<td>200 OK\u3001201 Created<\/td>\n<\/tr>\n<tr>\n<td>3xx<\/td>\n<td>\u91cd\u65b0\u5c0e\u5411<\/td>\n<td>301 \u6c38\u4e45\u642c\u5bb6\u3001302 \u66ab\u6642\u642c\u5bb6<\/td>\n<\/tr>\n<tr>\n<td>4xx<\/td>\n<td>\u4f60\uff08\u5ba2\u6236\u7aef\uff09\u7684\u554f\u984c<\/td>\n<td>400 Bad Request\u3001401 \u6c92\u767b\u5165\u3001403 \u6c92\u6b0a\u9650\u3001404 \u627e\u4e0d\u5230\u3001429 Too Many Requests<\/td>\n<\/tr>\n<tr>\n<td>5xx<\/td>\n<td>\u6211\uff08\u4f3a\u670d\u5668\uff09\u7684\u554f\u984c<\/td>\n<td>500 Internal Error\u3001503 Service Unavailable<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u539f\u5247\u4e94\uff1a\u9650\u6d41\uff08Rate Limiting\uff09<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-6\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">\u7576\u4f60\u547c\u53eb API \u592a\u983b\u7e41\uff1a\n\nHTTP\/<span class=\"hljs-number\">1.1<\/span> <span class=\"hljs-number\">429<\/span> Too Many Requests\n{\n  <span class=\"hljs-string\">\"error\"<\/span>: <span class=\"hljs-string\">\"Rate limit exceeded\"<\/span>,\n  <span class=\"hljs-string\">\"retry_after\"<\/span>: <span class=\"hljs-number\">60<\/span>        \u2190 <span class=\"hljs-number\">60<\/span> \u79d2\u5f8c\u518d\u8a66\n}\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-6\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ffb\u8b6f<\/strong>\uff1aAPI \u6709\u4f7f\u7528\u984d\u5ea6\uff0c\u8d85\u904e\u5c31\u6703\u88ab\u66ab\u6642\u64cb\u4f4f\u3002\u4fdd\u8b77\u4f3a\u670d\u5668\u4e0d\u88ab\u6253\u7206\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5e38\u898b\u7684\u9650\u6d41\u56de\u61c9 Header<\/h4>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-7\" data-shcb-language-name=\"HTTP\" data-shcb-language-slug=\"http\"><span><code class=\"hljs language-http\"><span class=\"hljs-attribute\">X-RateLimit-Limit<\/span>: 100        \u2190 \u6bcf\u5c0f\u6642\u6700\u591a 100 \u6b21\n<span class=\"hljs-attribute\">X-RateLimit-Remaining<\/span>: 23     \u2190 \u9084\u5269 23 \u6b21\n<span class=\"hljs-attribute\">X-RateLimit-Reset<\/span>: 1672531200 \u2190 \u984d\u5ea6\u91cd\u7f6e\u7684\u6642\u9593\uff08Unix timestamp\uff09\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-7\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">HTTP<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">http<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u539f\u5247\u516d\uff1a\u4e00\u81f4\u7684\u932f\u8aa4\u56de\u61c9\u683c\u5f0f<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-8\" data-shcb-language-name=\"JSON \/ JSON with Comments\" data-shcb-language-slug=\"json\"><span><code class=\"hljs language-json\">{\n  <span class=\"hljs-attr\">\"error\"<\/span>: {\n    <span class=\"hljs-attr\">\"code\"<\/span>: <span class=\"hljs-string\">\"VALIDATION_ERROR\"<\/span>,\n    <span class=\"hljs-attr\">\"message\"<\/span>: <span class=\"hljs-string\">\"Email format is invalid\"<\/span>,\n    <span class=\"hljs-attr\">\"details\"<\/span>: &#91;\n      {\n        <span class=\"hljs-attr\">\"field\"<\/span>: <span class=\"hljs-string\">\"email\"<\/span>,\n        <span class=\"hljs-attr\">\"issue\"<\/span>: <span class=\"hljs-string\">\"Must be a valid email address\"<\/span>\n      }\n    ]\n  }\n}\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-8\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JSON \/ JSON with Comments<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">json<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7ffb\u8b6f<\/strong>\uff1a\u6bcf\u500b\u932f\u8aa4\u56de\u61c9\u90fd\u9577\u5f97\u4e00\u6a23\uff0c\u524d\u7aef\u624d\u597d\u7d71\u4e00\u8655\u7406\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5be6\u6230\u7bc4\u4f8b\uff1a\u5f9e\u9700\u6c42\u5224\u65b7\u8a72\u7528\u4ec0\u9ebc<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u7bc4\u4f8b 1\uff1a\u96fb\u5546\u7db2\u7ad9<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u9700\u6c42\uff1a\u700f\u89bd\u5546\u54c1\u3001\u4e0b\u55ae\u3001\u67e5\u8a02\u55ae\n\u5206\u6790\uff1a\n  - \u4e00\u822c\u7684\u8b80\u5beb\u64cd\u4f5c \u2192 HTTP REST API\n  - \u8a02\u55ae\u72c0\u614b\u66f4\u65b0\u901a\u77e5 \u2192 \u53ef\u4ee5\u7528 HTTP \u8f2a\u8a62\uff0c\u6216\u5347\u7d1a\u7528 WebSocket\n\n\u9078\u64c7\uff1a\u4ee5 HTTP \u70ba\u4e3b\uff0c\u901a\u77e5\u90e8\u5206\u8996\u898f\u6a21\u6c7a\u5b9a\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u7bc4\u4f8b 2\uff1a\u5373\u6642\u804a\u5929 App<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u9700\u6c42\uff1a\u4e00\u5c0d\u4e00\u804a\u5929\u3001\u7fa4\u7d44\u804a\u5929\u3001\u5df2\u8b80\u901a\u77e5\n\u5206\u6790\uff1a\n  - \u8a0a\u606f\u8981\u5373\u6642\u9001\u9054 \u2192 \u9700\u8981\u6301\u7e8c\u9023\u7dda\n  - \u4f3a\u670d\u5668\u8981\u80fd\u4e3b\u52d5\u63a8\u8a0a\u606f \u2192 HTTP \u505a\u4e0d\u5230\n\n\u9078\u64c7\uff1aWebSocket\uff08\u8a0a\u606f\u50b3\u905e\uff09+ HTTP\uff08\u4f7f\u7528\u8005\u7ba1\u7406\u3001\u6b77\u53f2\u8a0a\u606f\u67e5\u8a62\uff09\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u7bc4\u4f8b 3\uff1a\u8996\u8a0a\u6703\u8b70<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u9700\u6c42\uff1a\u591a\u4eba\u8996\u8a0a\u901a\u8a71\u3001\u87a2\u5e55\u5206\u4eab\n\u5206\u6790\uff1a\n  - \u5f71\u97f3\u4e32\u6d41\u9700\u8981\u6975\u4f4e\u5ef6\u9072 \u2192 WebSocket \u5ef6\u9072\u9084\u662f\u592a\u9ad8\n  - \u6700\u597d\u4e0d\u7d93\u904e\u4f3a\u670d\u5668 \u2192 \u9ede\u5c0d\u9ede\u76f4\u9023\n\n\u9078\u64c7\uff1aWebRTC\uff08\u5f71\u97f3\u4e32\u6d41\uff09+ WebSocket\uff08\u4fe1\u4ee4 + \u804a\u5929\uff09+ HTTP\uff08\u4f7f\u7528\u8005\u7ba1\u7406\uff09\n<\/code><\/span><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u7bc4\u4f8b 4\uff1a\u667a\u6167\u5de5\u5ee0\u76e3\u63a7<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\"><span><code class=\"hljs\">\u9700\u6c42\uff1a1000 \u500b\u611f\u6e2c\u5668\u56de\u5831\u6eab\u5ea6\u3001\u6fd5\u5ea6\n\u5206\u6790\uff1a\n  - \u8a2d\u5099\u529f\u8017\u4f4e \u2192 \u9700\u8981\u8f15\u91cf\u7d1a\u5354\u5b9a\n  - \u8cc7\u6599\u662f\u300c\u767c\u5e03\u300d\u6027\u8cea \u2192 \u4e0d\u9700\u8981\u4e00\u554f\u4e00\u7b54\n  - \u591a\u500b\u9762\u677f\u9700\u8981\u8a02\u95b1\u540c\u4e00\u6279\u8cc7\u6599\n\n\u9078\u64c7\uff1aMQTT\uff08\u611f\u6e2c\u5668\u8cc7\u6599\u6536\u96c6\uff09+ HTTP\uff08\u7ba1\u7406\u4ecb\u9762\uff09+ WebSocket\uff08\u5373\u6642\u5100\u8868\u677f\uff09\n<\/code><\/span><\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Vibe Coder \u6aa2\u67e5\u9ede<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u770b\u5230\u7cfb\u7d71\u67b6\u69cb\u6216 API \u8a2d\u8a08\u6642\uff0c\u78ba\u8a8d\u9019\u4e9b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5354\u5b9a\u9078\u64c7<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>[ ] \u9019\u500b\u529f\u80fd\u9700\u8981\u5373\u6642\u96d9\u5411\u901a\u8a0a\u55ce\uff1f\uff08\u662f \u2192 \u8003\u616e WebSocket\uff09<\/li>\n\n\n<li>[ ] \u9700\u8981\u8996\u8a0a\/\u8a9e\u97f3\u55ce\uff1f\uff08\u662f \u2192 \u8003\u616e WebRTC\uff09<\/li>\n\n\n<li>[ ] \u662f IoT \u8a2d\u5099\u55ce\uff1f\uff08\u662f \u2192 \u8003\u616e MQTT\uff09<\/li>\n\n\n<li>[ ] \u4ee5\u4e0a\u90fd\u4e0d\u662f\uff1f\uff08\u2192 HTTP \u5c31\u5920\u4e86\uff09<\/li>\n\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">API \u8a2d\u8a08<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>[ ] URL \u6709\u7248\u672c\u865f\u55ce\uff1f\uff08<code>\/v1\/users<\/code>\uff09<\/li>\n\n\n<li>[ ] \u6709\u5206\u9801\u55ce\uff1f\uff08\u5217\u8868 API \u4e00\u5b9a\u8981\u6709\uff09<\/li>\n\n\n<li>[ ] \u72c0\u614b\u78bc\u6b63\u78ba\u55ce\uff1f\uff08\u4e0d\u662f\u90fd\u56de 200\uff09<\/li>\n\n\n<li>[ ] \u6709\u9650\u6d41\u6a5f\u5236\u55ce\uff1f\uff08\u516c\u958b API \u4e00\u5b9a\u8981\u6709\uff09<\/li>\n\n\n<li>[ ] \u932f\u8aa4\u56de\u61c9\u683c\u5f0f\u4e00\u81f4\u55ce\uff1f<\/li>\n\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5fc5\u770b\u61c2 vs \u77e5\u9053\u5c31\u597d<\/h2>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-9\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">\u5fc5\u770b\u61c2\uff08\u6703\u4e00\u76f4\u51fa\u73fe\uff09\uff1a\n- HTTP \u65b9\u6cd5\uff08GET\u3001POST\u3001PUT\u3001DELETE\uff09\n- \u72c0\u614b\u78bc\u7684\u5206\u985e\uff08<span class=\"hljs-number\">2<\/span>xx\u3001<span class=\"hljs-number\">4<\/span>xx\u3001<span class=\"hljs-number\">5<\/span>xx\uff09\n- WebSocket \u7684 ws:<span class=\"hljs-comment\">\/\/ \u9023\u7dda\u548c\u4e8b\u4ef6\u8655\u7406<\/span>\n- REST API \u7684 URL \u547d\u540d\u898f\u5247\n- \u5206\u9801\u548c\u9650\u6d41\u7684\u57fa\u672c\u6982\u5ff5\n\n\u77e5\u9053\u5c31\u597d\uff08\u9047\u5230\u518d\u67e5\uff09\uff1a\n- gRPC\uff1aGoogle \u7684\u9ad8\u6548\u80fd RPC \u6846\u67b6\uff0c\u7528 Protocol Buffers \u5e8f\u5217\u5316\n- GraphQL\uff1aFacebook \u7684\u67e5\u8a62\u8a9e\u8a00\uff0c\u5ba2\u6236\u7aef\u6307\u5b9a\u8981\u54ea\u4e9b\u6b04\u4f4d\n- Server-Sent Events (SSE)\uff1a\u4f3a\u670d\u5668\u55ae\u5411\u63a8\u9001\uff0c\u6bd4 WebSocket \u7c21\u55ae\n- HTTP\/<span class=\"hljs-number\">2<\/span> Server Push\uff1a\u4f3a\u670d\u5668\u4e3b\u52d5\u63a8\u9001\u8cc7\u6e90\n- AMQP\uff1a\u9032\u968e\u8a0a\u606f\u4f47\u5217\u5354\u5b9a\uff0c\u6bd4 MQTT \u66f4\u8907\u96dc\u4f46\u529f\u80fd\u66f4\u5b8c\u6574\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-9\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u672c\u7bc7\u91cd\u9ede\u56de\u9867<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n\n<li><strong>HTTP<\/strong>\uff1a\u4e00\u554f\u4e00\u7b54\uff0c\u6700\u57fa\u672c\u4e5f\u6700\u5e38\u7528\u3002REST API \u5c31\u662f\u5efa\u5728 HTTP \u4e0a\u3002<\/li>\n\n\n<li><strong>WebSocket<\/strong>\uff1a\u6301\u7e8c\u9023\u7dda\u3001\u96d9\u5411\u901a\u8a0a\u3002\u9069\u5408\u804a\u5929\u5ba4\u3001\u5373\u6642\u901a\u77e5\u3002<\/li>\n\n\n<li><strong>WebRTC<\/strong>\uff1a\u9ede\u5c0d\u9ede\u76f4\u9023\uff0c\u4e0d\u7d93\u904e\u4f3a\u670d\u5668\u3002\u9069\u5408\u8996\u8a0a\u901a\u8a71\u3002<\/li>\n\n\n<li><strong>MQTT<\/strong>\uff1a\u8f15\u91cf\u7d1a\u767c\u5e03-\u8a02\u95b1\u3002\u9069\u5408 IoT \u8a2d\u5099\u3002<\/li>\n\n\n<li><strong>API \u8a2d\u8a08<\/strong>\uff1a\u597d\u7684 API \u7528\u540d\u8a5e URL\u3001\u6709\u7248\u672c\u865f\u3001\u6709\u5206\u9801\u3001\u7528\u6b63\u78ba\u72c0\u614b\u78bc\u3001\u6709\u9650\u6d41\u3002<\/li>\n\n<\/ol>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">**\u4e0b\u4e00\u7bc7\u9810\u544a**\uff1a\u6211\u5011\u6703\u9032\u5165\u8cc7\u6599\u5eab\u7684\u4e16\u754c\uff0c\u770b\u770b SQL vs NoSQL \u600e\u9ebc\u9078\u3001\u4ec0\u9ebc\u6642\u5019\u8a72\u52a0\u5feb\u53d6\u3002<\/p>\n<\/blockquote>\n\n\n\n<div id=\"quiz-9138d6ab\">\n<style>\n#quiz-9138d6ab .badge {\n        display: inline-block;\n        padding: 4px 10px;\n        border-radius: 12px;\n        font-size: 0.75em;\n        font-weight: bold;\n        margin-left: 8px;\n      }#quiz-9138d6ab .badge.scenario {\n        background: #ebf8ff;\n        color: #2b6cb0;\n      }#quiz-9138d6ab .badge.debug {\n        background: #fef3c7;\n        color: #92400e;\n      }#quiz-9138d6ab .question-adv {\n        background: white;\n        border-radius: 10px;\n        padding: 24px;\n        margin: 20px 0;\n        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);\n        border-left: 4px solid #ed8936;\n      }#quiz-9138d6ab .question-adv h3 {\n        margin-top: 0;\n        color: #2d3748;\n      }#quiz-9138d6ab .code-block {\n        background: #1e1e1e;\n        color: #d4d4d4;\n        padding: 14px;\n        border-radius: 6px;\n        font-family: \"Menlo\", \"Monaco\", \"Courier New\", monospace;\n        font-size: 0.9em;\n        overflow-x: auto;\n        margin: 12px 0;\n        white-space: pre-wrap;\n      }#quiz-9138d6ab .options-adv {\n        list-style: none;\n        padding: 0;\n      }#quiz-9138d6ab .options-adv li {\n        padding: 14px 16px;\n        margin: 10px 0;\n        border: 2px solid #e2e8f0;\n        border-radius: 8px;\n        cursor: pointer;\n        transition: all 0.2s;\n      }#quiz-9138d6ab .options-adv li:hover:not(.disabled) {\n        border-color: #ed8936;\n        background: #fffaf0;\n      }#quiz-9138d6ab .options-adv li.disabled {\n        cursor: default;\n        opacity: 0.7;\n      }#quiz-9138d6ab .options-adv li.show-answer {\n        border-color: #48bb78;\n        background: #f0fff4;\n      }#quiz-9138d6ab .options-adv li.wrong {\n        border-color: #fc8181;\n        background: #fff5f5;\n      }#quiz-9138d6ab .feedback-adv {\n        margin-top: 16px;\n        padding: 14px;\n        border-radius: 8px;\n        display: none;\n        line-height: 1.6;\n      }#quiz-9138d6ab .feedback-adv.correct {\n        background: #f0fff4;\n        color: #276749;\n        display: block;\n      }#quiz-9138d6ab .feedback-adv.wrong {\n        background: #fff5f5;\n        color: #c53030;\n        display: block;\n      }#quiz-9138d6ab .feedback-adv \n      .score-adv {\n        text-align: center;\n        font-size: 1.4em;\n        padding: 24px;\n        background: white;\n        border-radius: 10px;\n        margin-top: 24px;\n        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);\n      }#quiz-9138d6ab .intro {\n        background: #ebf8ff;\n        padding: 16px;\n        border-radius: 8px;\n        margin-bottom: 20px;\n        color: #2c5282;\n      }\n<\/style>\n<h1>\u9032\u968e\u6e2c\u9a57\uff1a\u61c9\u7528\u5c64\u5354\u5b9a\u8207 API \u8a2d\u8a08<\/h1>\n    <div class=\"intro\">\n      <strong>\u6e2c\u9a57\u76ee\u6a19\uff1a<\/strong>\u9a57\u8b49\u4f60\u662f\u5426\u80fd\u5728\u5be6\u969b\u60c5\u5883\u4e2d\u61c9\u7528\u6240\u5b78\u3002<br \/>\n      \u5171 5 \u984c\uff0c\u5305\u542b\u60c5\u5883\u984c\u8207\u932f\u8aa4\u8a3a\u65b7\u984c\u3002\n    <\/div>\n\n    <!-- \u60c5\u5883\u984c 1 -->\n    <div class=\"question-adv\" id=\"qAdv1\">\n      <h3>1. \u4f60\u6b63\u5728\u8a2d\u8a08\u4e00\u500b\u667a\u6167\u8fb2\u5834\u7cfb\u7d71\uff0c\u9700\u8981\u6536\u96c6 500 \u500b\u571f\u58e4\u6fd5\u5ea6\u611f\u6e2c\u5668\u7684\u6578\u64da\uff0c\u4e26\u5728\u5100\u8868\u677f\u4e0a\u5373\u6642\u986f\u793a\u3002\u611f\u6e2c\u5668\u96fb\u6c60\u4f9b\u96fb\u3001\u983b\u5bec\u6709\u9650\u3002\u4ee5\u4e0b\u54ea\u7a2e\u67b6\u69cb\u6700\u5408\u9069\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(1, 'A', 'C')\">A. \u611f\u6e2c\u5668\u7528 HTTP POST \u5b9a\u6642\u56de\u5831\uff0c\u5100\u8868\u677f\u7528 HTTP \u8f2a\u8a62\u66f4\u65b0<\/li>\n        <li onclick=\"checkAnswerAdv(1, 'B', 'C')\">B. \u611f\u6e2c\u5668\u548c\u5100\u8868\u677f\u90fd\u7528 WebSocket \u9023\u5230\u4f3a\u670d\u5668<\/li>\n        <li onclick=\"checkAnswerAdv(1, 'C', 'C')\">C. \u611f\u6e2c\u5668\u7528 MQTT \u767c\u5e03\u6578\u64da\u5230 Broker\uff0c\u5100\u8868\u677f\u7528 WebSocket \u5373\u6642\u986f\u793a<\/li>\n        <li onclick=\"checkAnswerAdv(1, 'D', 'C')\">D. \u611f\u6e2c\u5668\u7528 WebRTC \u76f4\u63a5\u9ede\u5c0d\u9ede\u9023\u5230\u5100\u8868\u677f<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv1\"><\/div>\n    <\/div>\n\n    <!-- \u60c5\u5883\u984c 2 -->\n    <div class=\"question-adv\" id=\"qAdv2\">\n      <h3>2. \u4f60\u8ca0\u8cac\u4e00\u500b\u516c\u958b API\uff0c\u4f7f\u7528\u8005\u53cd\u6620\u300c\u5217\u8868 API \u56de\u61c9\u5f88\u6162\uff0c\u6709\u6642\u5019\u751a\u81f3 timeout\u300d\u3002\u8abf\u67e5\u5f8c\u767c\u73fe\u8a72 API \u4e00\u6b21\u56de\u50b3\u6240\u6709\u8cc7\u6599\uff08\u76ee\u524d\u6709 8 \u842c\u7b46\uff09\u3002\u4ee5\u4e0b\u54ea\u500b\u6539\u5584\u65b9\u6848\u6700\u512a\u5148\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <div class=\"code-block\">GET \/v1\/products    \u2190 \u56de\u50b3\u5168\u90e8 80,000 \u7b46\u5546\u54c1<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(2, 'A', 'B')\">A. \u628a HTTP \u6539\u6210 WebSocket\uff0c\u7528\u4e32\u6d41\u65b9\u5f0f\u5206\u6279\u9001\u51fa\u8cc7\u6599<\/li>\n        <li onclick=\"checkAnswerAdv(2, 'B', 'B')\">B. \u52a0\u5165\u5206\u9801\u6a5f\u5236\uff0c\u4f8b\u5982 <code>GET \/v1\/products?page=1&limit=20<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(2, 'C', 'B')\">C. \u628a API \u7248\u672c\u5347\u7d1a\u5230 v2\uff0c\u4f7f\u7528 gRPC \u63d0\u9ad8\u50b3\u8f38\u6548\u7387<\/li>\n        <li onclick=\"checkAnswerAdv(2, 'D', 'B')\">D. \u589e\u52a0\u9650\u6d41\u6a5f\u5236\uff0c\u9650\u5236\u6bcf\u500b\u4f7f\u7528\u8005\u6bcf\u5c0f\u6642\u53ea\u80fd\u547c\u53eb 10 \u6b21<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv2\"><\/div>\n    <\/div>\n\n    <!-- \u60c5\u5883\u984c 3 -->\n    <div class=\"question-adv\" id=\"qAdv3\">\n      <h3>3. \u4f60\u7684\u5718\u968a\u6b63\u5728\u958b\u767c\u7dda\u4e0a\u6559\u5b78\u5e73\u53f0\uff0c\u5176\u4e2d\u5305\u542b\uff1a\u5b78\u751f\u7ba1\u7406\u3001\u8ab2\u7a0b\u700f\u89bd\u3001\u5373\u6642\u554f\u7b54\u804a\u5929\u5ba4\u3001\u4e00\u5c0d\u4e00\u8996\u8a0a\u5bb6\u6559\u3002\u4ee5\u4e0b\u54ea\u7a2e\u5354\u5b9a\u7d44\u5408\u6700\u5408\u9069\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(3, 'A', 'D')\">A. \u5168\u90e8\u4f7f\u7528 HTTP REST API \u5c31\u5920\u4e86<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'B', 'D')\">B. \u5168\u90e8\u4f7f\u7528 WebSocket\uff0c\u7d71\u4e00\u7ba1\u7406\u6bd4\u8f03\u65b9\u4fbf<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'C', 'D')\">C. HTTP\uff08\u5b78\u751f\u7ba1\u7406\u3001\u8ab2\u7a0b\u700f\u89bd\uff09+ WebSocket\uff08\u804a\u5929\u5ba4 + \u8996\u8a0a\u5bb6\u6559\uff09<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'D', 'D')\">D. HTTP\uff08\u5b78\u751f\u7ba1\u7406\u3001\u8ab2\u7a0b\u700f\u89bd\uff09+ WebSocket\uff08\u804a\u5929\u5ba4\uff09+ WebRTC\uff08\u8996\u8a0a\u5bb6\u6559\uff09<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv3\"><\/div>\n    <\/div>\n\n    <!-- \u932f\u8aa4\u8a3a\u65b7\u984c 1 -->\n    <div class=\"question-adv\" id=\"qAdv4\">\n      <h3>4. \u540c\u4e8b\u8a2d\u8a08\u4e86\u4ee5\u4e0b API\uff0c\u4f60\u5728 code review \u6642\u767c\u73fe\u4e86\u554f\u984c\u3002\u4ee5\u4e0b\u54ea\u500b\u662f\u6700\u95dc\u9375\u7684\u8a2d\u8a08\u932f\u8aa4\uff1f <span class=\"badge debug\">\u932f\u8aa4\u8a3a\u65b7<\/span><\/h3>\n      <div class=\"code-block\">POST \/v1\/getAllUsers          \u2190 \u53d6\u5f97\u4f7f\u7528\u8005\u5217\u8868\nPOST \/v1\/deleteUserById\/123   \u2190 \u522a\u9664\u4f7f\u7528\u8005\nPOST \/v1\/createNewUser        \u2190 \u65b0\u589e\u4f7f\u7528\u8005\nPOST \/v1\/updateUserInfo\/123   \u2190 \u66f4\u65b0\u4f7f\u7528\u8005<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(4, 'A', 'B')\">A. \u6c92\u6709\u4f7f\u7528 HTTPS \u52a0\u5bc6\u9023\u7dda<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'B', 'B')\">B. \u6240\u6709\u64cd\u4f5c\u90fd\u7528 POST\uff0c\u6c92\u6709\u6b63\u78ba\u4f7f\u7528 HTTP \u65b9\u6cd5\uff08GET\u3001DELETE\u3001PUT\uff09\uff0c\u4e14 URL \u5305\u542b\u52d5\u8a5e<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'C', 'B')\">C. \u7f3a\u5c11\u8a8d\u8b49\u6a5f\u5236\uff0c\u6c92\u6709\u5e36 Authorization header<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'D', 'B')\">D. \u6c92\u6709\u52a0\u5165\u9650\u6d41\uff08Rate Limiting\uff09\u6a5f\u5236<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv4\"><\/div>\n    <\/div>\n\n    <!-- \u932f\u8aa4\u8a3a\u65b7\u984c 2 -->\n    <div class=\"question-adv\" id=\"qAdv5\">\n      <h3>5. \u4f60\u7684 API \u5728\u627e\u4e0d\u5230\u4f7f\u7528\u8005\u6642\u56de\u50b3\u4ee5\u4e0b\u5167\u5bb9\uff0c\u524d\u7aef\u540c\u4e8b\u62b1\u6028\u300c\u5f88\u96e3\u5224\u65b7\u8acb\u6c42\u6709\u6c92\u6709\u6210\u529f\u300d\u3002\u9019\u500b\u56de\u61c9\u6700\u5927\u7684\u554f\u984c\u662f\u4ec0\u9ebc\uff1f <span class=\"badge debug\">\u932f\u8aa4\u8a3a\u65b7<\/span><\/h3>\n      <div class=\"code-block\">HTTP\/1.1 200 OK\nContent-Type: application\/json\n\n{\n  &#8220;status&#8221;: 200,\n  &#8220;data&#8221;: null,\n  &#8220;error&#8221;: &#8220;User not found&#8221;\n}<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(5, 'A', 'C')\">A. \u56de\u61c9\u7f3a\u5c11 <code>X-RateLimit<\/code> \u76f8\u95dc\u7684 header<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'B', 'C')\">B. \u932f\u8aa4\u8a0a\u606f\u61c9\u8a72\u7528\u932f\u8aa4\u4ee3\u78bc\uff08\u5982 <code>USER_NOT_FOUND<\/code>\uff09\u800c\u975e\u6587\u5b57\u63cf\u8ff0<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'C', 'C')\">C. \u627e\u4e0d\u5230\u8cc7\u6e90\u537b\u56de\u50b3 HTTP 200\uff0c\u61c9\u8a72\u4f7f\u7528 404 \u72c0\u614b\u78bc\uff0c\u8b93\u524d\u7aef\u80fd\u900f\u904e\u72c0\u614b\u78bc\u5224\u65b7\u6210\u529f\u6216\u5931\u6557<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'D', 'C')\">D. \u6c92\u6709\u4f7f\u7528\u7248\u672c\u63a7\u5236\uff0cURL \u61c9\u8a72\u52a0\u4e0a <code>\/v1\/<\/code> \u524d\u7db4<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv5\"><\/div>\n    <\/div>\n\n    <div class=\"score-adv\" id=\"scoreAdv\" style=\"display:none;\"><\/div>\n<script>\n\n      let answeredAdv = 0;\n      let correctAdv = 0;\n      const totalAdv = 5;\n      const explanationsAdv = {\n        1: \"<br><br><strong>\u70ba\u4ec0\u9ebc\u9078 C\uff1f<\/strong><br>\u611f\u6e2c\u5668\u96fb\u6c60\u4f9b\u96fb\u3001\u983b\u5bec\u6709\u9650\uff0cMQTT \u7684\u5c01\u5305\u6975\u5c0f\u3001\u7701\u96fb\u7701\u983b\u5bec\uff0c\u662f IoT \u8a2d\u5099\u7684\u6700\u4f73\u9078\u64c7\u3002\u5100\u8868\u677f\u9700\u8981\u5373\u6642\u66f4\u65b0\u986f\u793a\uff0cWebSocket \u7684\u6301\u7e8c\u9023\u7dda\u53ef\u4ee5\u8b93 Broker \u6536\u5230\u65b0\u6578\u64da\u5f8c\u7acb\u5373\u63a8\u9001\u5230\u524d\u7aef\u3002<br><br><strong>\u5176\u4ed6\u9078\u9805\u7684\u554f\u984c\uff1a<\/strong><br>A. HTTP \u5c0d\u4f4e\u529f\u8017\u8a2d\u5099\u4f86\u8aaa\u592a\u91cd\uff0c\u6bcf\u6b21\u8acb\u6c42\u90fd\u8981\u5e36\u5b8c\u6574\u7684 HTTP headers\u3002<br>B. WebSocket \u9700\u8981\u7dad\u6301\u6301\u7e8c\u9023\u7dda\uff0c\u5c0d\u96fb\u6c60\u4f9b\u96fb\u7684\u611f\u6e2c\u5668\u592a\u8017\u96fb\u3002<br>D. WebRTC \u662f\u9ede\u5c0d\u9ede\u901a\u8a0a\uff0c500 \u500b\u611f\u6e2c\u5668\u4e0d\u53ef\u80fd\u5404\u81ea\u8ddf\u5100\u8868\u677f\u5efa\u7acb P2P \u9023\u7dda\u3002\",\n        2: \"<br><br><strong>\u70ba\u4ec0\u9ebc\u9078 B\uff1f<\/strong><br>\u6839\u672c\u539f\u56e0\u662f\u4e00\u6b21\u56de\u50b3 8 \u842c\u7b46\u8cc7\u6599\u592a\u591a\u3002\u52a0\u5165\u5206\u9801\u6a5f\u5236\uff08\u5982 <code>?page=1&limit=20<\/code>\uff09\u8b93\u6bcf\u6b21\u53ea\u56de\u50b3\u5c11\u91cf\u8cc7\u6599\uff0c\u662f\u6700\u76f4\u63a5\u3001\u6700\u512a\u5148\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u9019\u4e5f\u662f API \u8a2d\u8a08\u7684\u57fa\u672c\u539f\u5247\u4e4b\u4e00\u3002<br><br><strong>\u5176\u4ed6\u9078\u9805\u7684\u554f\u984c\uff1a<\/strong><br>A. \u6539\u7528 WebSocket \u4e32\u6d41\u662f\u904e\u5ea6\u8a2d\u8a08\uff0c\u5217\u8868\u67e5\u8a62\u7528 HTTP \u52a0\u5206\u9801\u5c31\u8db3\u5920\u4e86\u3002<br>C. \u63db gRPC \u6539\u52d5\u592a\u5927\uff0c\u800c\u4e14\u6839\u672c\u554f\u984c\u4e0d\u662f\u50b3\u8f38\u6548\u7387\u800c\u662f\u8cc7\u6599\u91cf\u3002<br>D. \u9650\u6d41\u53ea\u662f\u9650\u5236\u547c\u53eb\u983b\u7387\uff0c\u4e0d\u80fd\u89e3\u6c7a\u6bcf\u6b21\u56de\u50b3\u592a\u591a\u8cc7\u6599\u7684\u554f\u984c\u3002\",\n        3: \"<br><br><strong>\u70ba\u4ec0\u9ebc\u9078 D\uff1f<\/strong><br>\u4e0d\u540c\u529f\u80fd\u6709\u4e0d\u540c\u7684\u901a\u8a0a\u9700\u6c42\uff1a\u5b78\u751f\u7ba1\u7406\u548c\u8ab2\u7a0b\u700f\u89bd\u662f\u4e00\u822c\u7684\u8b80\u5beb\u64cd\u4f5c\uff0cHTTP \u5c31\u5920\u4e86\uff1b\u804a\u5929\u5ba4\u9700\u8981\u5373\u6642\u96d9\u5411\u901a\u8a0a\uff0c\u9069\u5408 WebSocket\uff1b\u8996\u8a0a\u5bb6\u6559\u9700\u8981\u6975\u4f4e\u5ef6\u9072\u7684\u5f71\u97f3\u4e32\u6d41\u4e14\u6700\u597d\u9ede\u5c0d\u9ede\u76f4\u9023\uff0cWebRTC \u6700\u5408\u9069\u3002<br><br><strong>\u5176\u4ed6\u9078\u9805\u7684\u554f\u984c\uff1a<\/strong><br>A. HTTP \u7121\u6cd5\u6eff\u8db3\u5373\u6642\u804a\u5929\u548c\u8996\u8a0a\u9700\u6c42\u3002<br>B. \u5168\u7528 WebSocket \u592a\u6d6a\u8cbb\u8cc7\u6e90\uff0c\u4e00\u822c\u8b80\u5beb\u4e0d\u9700\u8981\u6301\u7e8c\u9023\u7dda\uff0c\u800c\u4e14 WebSocket \u7684\u8996\u8a0a\u5ef6\u9072\u6bd4 WebRTC \u9ad8\u3002<br>C. WebSocket \u505a\u8996\u8a0a\u4e32\u6d41\u5ef6\u9072\u504f\u9ad8\uff0c\u8996\u8a0a\u901a\u8a71\u61c9\u8a72\u7528 WebRTC \u505a\u9ede\u5c0d\u9ede\u76f4\u9023\u3002\",\n        4: \"<br><br><strong>\u70ba\u4ec0\u9ebc\u9078 B\uff1f<\/strong><br>RESTful API \u7684\u6838\u5fc3\u539f\u5247\u662f\uff1aHTTP \u65b9\u6cd5\u672c\u8eab\u5c31\u8868\u793a\u52d5\u4f5c\uff08GET \u53d6\u5f97\u3001POST \u65b0\u589e\u3001PUT\/PATCH \u66f4\u65b0\u3001DELETE \u522a\u9664\uff09\uff0cURL \u61c9\u8a72\u53ea\u5305\u542b\u540d\u8a5e\u3002\u9019\u500b\u8a2d\u8a08\u5168\u90e8\u7528 POST\u3001URL \u53c8\u5305\u542b\u52d5\u8a5e\uff08getAllUsers\u3001deleteUserById\u3001createNewUser\u3001updateUserInfo\uff09\uff0c\u5b8c\u5168\u9055\u53cd RESTful \u8a2d\u8a08\u539f\u5247\uff0c\u8b93 API \u96e3\u4ee5\u7406\u89e3\u548c\u7dad\u8b77\u3002<br><br>\u6b63\u78ba\u8a2d\u8a08\u61c9\u70ba\uff1a<br><code>GET \/v1\/users<\/code>\uff08\u53d6\u5f97\u5217\u8868\uff09<br><code>DELETE \/v1\/users\/123<\/code>\uff08\u522a\u9664\uff09<br><code>POST \/v1\/users<\/code>\uff08\u65b0\u589e\uff09<br><code>PUT \/v1\/users\/123<\/code>\uff08\u66f4\u65b0\uff09<br><br><strong>\u5176\u4ed6\u9078\u9805\u7684\u554f\u984c\uff1a<\/strong><br>A \u548c C \u662f\u5b89\u5168\u6027\u554f\u984c\u3001D \u662f\u6548\u80fd\u554f\u984c\uff0c\u90fd\u5f88\u91cd\u8981\u4f46\u4e0d\u662f API\u300c\u8a2d\u8a08\u300d\u5c64\u9762\u6700\u95dc\u9375\u7684\u932f\u8aa4\u3002\",\n        5: \"<br><br><strong>\u70ba\u4ec0\u9ebc\u9078 C\uff1f<\/strong><br>HTTP \u72c0\u614b\u78bc\u7684\u8a2d\u8a08\u521d\u8877\u5c31\u662f\u8b93\u5ba2\u6236\u7aef\u80fd\u5feb\u901f\u5224\u65b7\u8acb\u6c42\u7d50\u679c\u3002\u627e\u4e0d\u5230\u8cc7\u6e90\u537b\u56de\u50b3 200 OK\uff0c\u524d\u7aef\u5fc5\u9808\u984d\u5916\u89e3\u6790 body \u4e2d\u7684 error \u6b04\u4f4d\u624d\u80fd\u5224\u65b7\u662f\u5426\u6210\u529f\uff0c\u9019\u9055\u53cd\u4e86\u300c\u6b63\u78ba\u4f7f\u7528\u72c0\u614b\u78bc\u300d\u7684\u539f\u5247\u3002\u61c9\u8a72\u56de\u50b3 <code>404 Not Found<\/code>\uff0c\u524d\u7aef\u53ea\u9700\u6aa2\u67e5\u72c0\u614b\u78bc\u5c31\u80fd\u77e5\u9053\u7d50\u679c\u3002<br><br><strong>\u5176\u4ed6\u9078\u9805\u7684\u554f\u984c\uff1a<\/strong><br>A. \u7f3a\u5c11\u9650\u6d41 header \u662f\u6b21\u8981\u554f\u984c\uff0c\u4e0d\u662f\u300c\u524d\u7aef\u5f88\u96e3\u5224\u65b7\u6210\u529f\u5931\u6557\u300d\u7684\u539f\u56e0\u3002<br>B. \u7528\u932f\u8aa4\u4ee3\u78bc\u78ba\u5be6\u662f\u597d\u7684\u5be6\u8e10\uff0c\u4f46\u5373\u4f7f\u52a0\u4e86\u932f\u8aa4\u4ee3\u78bc\uff0cHTTP 200 \u914d\u5408 error \u8a0a\u606f\u4ecd\u7136\u662f\u6839\u672c\u554f\u984c\u3002<br>D. \u7f3a\u5c11\u7248\u672c\u63a7\u5236\u662f\u53e6\u4e00\u500b\u554f\u984c\uff0c\u8ddf\u300c\u96e3\u4ee5\u5224\u65b7\u6210\u529f\u5931\u6557\u300d\u7121\u95dc\u3002\"\n      };\n\n      function checkAnswerAdv(qNum, selected, correctAns) {\n        const question = document.getElementById(\"qAdv\" + qNum);\n        if (question.classList.contains(\"answered\")) return;\n\n        question.classList.add(\"answered\");\n        answeredAdv++;\n\n        const options = question.querySelectorAll(\".options-adv li\");\n        options.forEach((opt) => {\n          opt.classList.add(\"disabled\");\n          if (opt.textContent.startsWith(correctAns + \".\")) {\n            opt.classList.add(\"show-answer\");\n          }\n        });\n\n        const feedback = document.getElementById(\"fbAdv\" + qNum);\n        if (selected === correctAns) {\n          correctAdv++;\n          feedback.className = \"feedback-adv correct\";\n          feedback.innerHTML = \"\\u2713 \u6b63\u78ba\uff01\" + explanationsAdv[qNum];\n        } else {\n          feedback.className = \"feedback-adv wrong\";\n          feedback.innerHTML =\n            \"\\u2717 \u932f\u8aa4\u3002\u6b63\u78ba\u7b54\u6848\u662f \" + correctAns + \"\u3002\" + explanationsAdv[qNum];\n          options.forEach((opt) => {\n            if (opt.textContent.startsWith(selected + \".\")) {\n              opt.classList.add(\"wrong\");\n            }\n          });\n        }\n\n        if (answeredAdv === totalAdv) {\n          const scoreDiv = document.getElementById(\"scoreAdv\");\n          scoreDiv.style.display = \"block\";\n          let msg = \"\";\n          if (correctAdv === totalAdv) msg = \"\\uD83C\\uDFAF \u5b8c\u7f8e\uff01\u4f60\u5df2\u7d93\u6e96\u5099\u597d\u5be6\u6230\u4e86\uff01\";\n          else if (correctAdv >= Math.ceil(totalAdv * 0.8))\n            msg = \"\\uD83D\\uDCAA \u5f88\u68d2\uff01\u518d\u8907\u7fd2\u4e00\u4e0b\u932f\u7684\u984c\u76ee\";\n          else if (correctAdv >= Math.ceil(totalAdv * 0.6))\n            msg = \"\\uD83D\\uDCD6 \u5efa\u8b70\u91cd\u8b80\u76f8\u95dc\u6bb5\u843d\u5f8c\u518d\u8a66\u4e00\u6b21\";\n          else msg = \"\\uD83D\\uDD04 \u5efa\u8b70\u91cd\u65b0\u95b1\u8b80\u6587\u4ef6\uff0c\u7279\u5225\u6ce8\u610f\u64cd\u4f5c\u6d41\u7a0b\";\n          scoreDiv.innerHTML =\n            \"\u6e2c\u9a57\u5b8c\u6210\uff01\u5f97\u5206\uff1a\" + correctAdv + \" \/ \" + totalAdv + \"<br>\" + msg;\n        }\n      }\n    \n<\/script>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u6e2c\u9a57\uff1a\u61c9\u7528\u5c64\u5354\u5b9a\u8207 API \u8a2d\u8a08 \u2014 \u5f9e HTTP \u5230 WebSocket \u5171 5 \u984c\uff0c\u9ede\u9078\u7b54\u6848\u5f8c\u6703\u7acb\u5373\u986f\u793a\u7d50 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rolpb_likes":0,"footnotes":""},"categories":[753],"tags":[714,776,741,775,731],"class_list":["post-779","post","type-post","status-publish","format-standard","hentry","category-api","tag-http","tag-mqtt","tag-rest-api","tag-webrtc","tag-websocket"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":7}},"_links":{"self":[{"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/posts\/779","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/comments?post=779"}],"version-history":[{"count":0,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/posts\/779\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/media?parent=779"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/categories?post=779"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/tags?post=779"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}