{"id":1291,"date":"2026-05-12T11:00:36","date_gmt":"2026-05-12T03:00:36","guid":{"rendered":"https:\/\/itony.cc\/?p=1291"},"modified":"2026-05-12T11:28:29","modified_gmt":"2026-05-12T03:28:29","slug":"rctimer","status":"publish","type":"post","link":"https:\/\/itony.cc\/?p=1291","title":{"rendered":"rctimer"},"content":{"rendered":"<p><script src=\"https:\/\/unpkg.com\/mqtt\/dist\/mqtt.min.js\"><\/script><\/p>\n<style>\n  .rc-board { width: 100%; max-width: 800px; margin: 0 auto; background: #121212; color: #fff; font-family: monospace; border-radius: 8px; padding: 20px; }\n  .rc-header { color: #FFD700; text-align: center; font-size: 24px; font-weight: bold; margin-bottom: 20px; }\n  .rc-table { width: 100%; border-collapse: collapse; text-align: left; }\n  .rc-table th { border-bottom: 2px solid #333; padding: 10px; color: #aaa; }\n  .rc-table td { border-bottom: 1px solid #222; padding: 12px 10px; font-size: 16px; }\n  .row-animate { animation: highlight 1s ease-out; }\n  @keyframes highlight { 0% { background-color: #333; } 100% { background-color: transparent; } }\n<\/style>\n<div class=\"rc-board\">\n<div class=\"rc-header\">RcTimer \u5b9e\u65f6\u6210\u7ee9\u699c \ud83c\udfc1<\/div>\n<table class=\"rc-table\" id=\"raceTable\">\n<thead>\n<tr>\n<th>\u6392\u540d<\/th>\n<th>\u8f66\u624b<\/th>\n<th>\u5708\u6570<\/th>\n<th>\u6700\u5feb\u5708\u901f<\/th>\n<th>\u603b\u8017\u65f6<\/th>\n<\/tr>\n<\/thead>\n<tbody id=\"raceBody\">\n<tr>\n<td colspan=\"5\" style=\"text-align:center;\">\u7b49\u5f85\u6bd4\u8d5b\u6570\u636e\u8fde\u63a5...<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><script>\n\/\/ \u4f7f\u7528 WebSocket \u534f\u8bae\u8fde\u63a5 9001 \u7aef\u53e3\nconst brokerUrl = 'ws:\/\/35.74.247.195:9001';\nconst client = mqtt.connect(brokerUrl);<\/p>\n<p>client.on('connect', function () {\n  console.log('\u5df2\u8fde\u63a5\u5230\u6bd4\u8d5b\u670d\u52a1\u5668');\n  client.subscribe('rctimer\/live', function (err) {\n    if (err) console.error(\"\u8ba2\u9605\u5931\u8d25:\", err);\n  });\n});<\/p>\n<p>client.on('message', function (topic, message) {\n  \/\/ \u89e3\u6790\u6765\u81ea\u5b89\u5353\u7aef\u53d1\u9001\u7684 JSON \u6570\u636e\n  const cars = JSON.parse(message.toString());\n  const tbody = document.getElementById('raceBody');\n  tbody.innerHTML = ''; \/\/ \u6e05\u7a7a\u5f53\u524d\u8868\u683c<\/p>\n<p>  cars.forEach((car, index) => {\n    const tr = document.createElement('tr');\n    \/\/ \u6dfb\u52a0\u4e00\u70b9\u7b80\u5355\u7684 CSS \u52a8\u753b\uff0c\u6bcf\u6b21\u6570\u636e\u5237\u65b0\u95ea\u70c1\u4e00\u4e0b\n    tr.className = 'row-animate'; \n    tr.innerHTML = `<\/p>\n<td style=\"${index === 0 ? 'color: #FFD700;' : ''}\">${index + 1}<\/td>\n<td>${car.name} (ID:${car.id})<\/td>\n<td>${car.laps}<\/td>\n<td>${car.bestLap}<\/td>\n<td>${car.totalTime}<\/td>\n<p>    `;\n    tbody.appendChild(tr);\n  });\n});\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>RcTimer \u5b9e\u65f6\u6210\u7ee9\u699c \ud83c\udfc1 \u6392\u540d \u8f66\u624b \u5708\u6570 \u6700\u5feb\u5708\u901f \u603b\u8017\u65f6 \u7b49\u5f85\u6bd4\u8d5b\u6570\u636e\u8fde\u63a5&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1291","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/itony.cc\/index.php?rest_route=\/wp\/v2\/posts\/1291","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itony.cc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itony.cc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itony.cc\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itony.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1291"}],"version-history":[{"count":2,"href":"https:\/\/itony.cc\/index.php?rest_route=\/wp\/v2\/posts\/1291\/revisions"}],"predecessor-version":[{"id":1293,"href":"https:\/\/itony.cc\/index.php?rest_route=\/wp\/v2\/posts\/1291\/revisions\/1293"}],"wp:attachment":[{"href":"https:\/\/itony.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itony.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itony.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}