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</nav> <div class="container"> <h1>⚖️ 重量换算�?/h1> <div class="card"> <div class="quick-values"> <button class="quick-btn" onclick="setQuick(1, 'kg')" aria-label="1公斤">1公斤</button> <button class="quick-btn" onclick="setQuick(1, 'lb')" aria-label="1�?>1�?/button> <button class="quick-btn" onclick="setQuick(1, 'jin')" aria-label="1�?>1�?/button> <button class="quick-btn" onclick="setQuick(1, 'oz')" aria-label="1盎司">1盎司</button> <button class="quick-btn" onclick="setQuick(100, 'g')" aria-label="100�?>100�?/button> </div> <div class="input-row"> <input type="number" id="valueInput" value="1" oninput="convert()" aria-label="数字输入�? placeholder="请输入数字输入框" /> <select id="unitSelect" onchange="convert()"> <option value="kg">千克 (kg)</option> <option value="g">�?(g)</option> <option value="mg">毫克 (mg)</option> <option value="t">�?(t)</option> <option value="lb">�?(lb)</option> <option value="oz">盎司 (oz)</option> <option value="jin">�?/option> <option value="liang">�?/option> <option value="qian">�?/option> </select> </div> <h3>公制单位</h3> <div class="results" id="metricResults"></div> <h3>英制单位</h3> <div class="results" id="imperialResults"></div> <h3>市制单位</h3> <div class="results" id="chineseResults"></div> </div> </div> <script> const units = { t: { name: "�?, factor: 1000000, category: "metric" }, kg: { name: "千克", factor: 1000, category: "metric" }, g: { name: "�?, factor: 1, category: "metric" }, mg: { name: "毫克", factor: 0.001, category: "metric" }, lb: { name: "�?, factor: 453.592, category: "imperial" }, oz: { name: "盎司", factor: 28.3495, category: "imperial" }, st: { name: "英石", factor: 6350.29, category: "imperial" }, jin: { name: "�?, factor: 500, category: "chinese" }, liang: { name: "�?, factor: 50, category: "chinese" }, qian: { name: "�?, factor: 5, category: "chinese" } }; function setQuick(val, unit) { document.getElementById("valueInput").value = val; document.getElementById("unitSelect").value = unit; convert(); } function convert() { const value = parseFloat(document.getElementById("valueInput").value) || 0; const fromUnit = document.getElementById("unitSelect").value; const grams = value * units[fromUnit].factor; function render(unitList, containerId) { document.getElementById(containerId).innerHTML = unitList .map((u) => { const result = grams / units[u].factor; return `<div class="result-row ${u === fromUnit ? "highlight" : ""}"> <span>${units[u].name} (${u})</span> <span style="font-weight:bold;font-family:monospace">${formatNum(result)}</span> </div>`; }) .join(""); } render(["t", "kg", "g", "mg"], "metricResults"); render(["lb", "oz", "st"], "imperialResults"); render(["jin", "liang", "qian"], "chineseResults"); } function formatNum(n) { if (Math.abs(n) >= 1e6 || (Math.abs(n) < 0.0001 && n !== 0)) return n.toExponential(4); return Number.isInteger(n) ? n : n.toFixed(4).replace(/\.?0+$/, ""); } convert(); </script> </body> </html>