function updateSalesProof() { // — 第一部分：随机数字 — const getRandomInRange = (min, max) => Math.floor(Math.random() * (max – min + 1)) + min; // 设置随机数 document.getElementById(‘stock-count’).textContent = getRandomInRange(3, 15); document.getElementById(‘view-count’).textContent = getRandomInRange(100, 800); document.getElementById(‘purchase-count’).textContent = getRandomInRange(500, 9000); // — 第二部分：自动日期 & 截单逻辑 — const now = new Date(); const currentHour = now.getHours(); // 获取今天、明天、后天的日期 const today = new Date(); const tomorrow = new Date(); tomorrow.setDate(today.getDate() + 1); const dayAfter = new Date(); dayAfter.setDate(today.getDate() + 2); // 格式化日期 (月/日) const formatDate = (date) => (date.getMonth() + 1) + ‘/’ + date.getDate(); const beforeBox = document.getElementById(‘before-box’); const afterBox = document.getElementById(‘after-box’); const todaySpans = document.querySelectorAll(‘.date-today’); const tomorrowSpans = document.querySelectorAll(‘.date-tomorrow’); if (currentHour span.textContent = formatDate(tomorrow)); tomorrowSpans.forEach(span => span.textContent = formatDate(dayAfter)); // 高亮第一行，去掉第二行高亮 beforeBox.classList.add(‘active-line’); afterBox.classList.remove(‘active-line’); } else { // 6:00 PM 之后：日期逻辑不变，但高亮移到第二行 todaySpans.forEach(span => span.textContent = formatDate(tomorrow)); tomorrowSpans.forEach(span => span.textContent = formatDate(dayAfter)); beforeBox.classList.remove(‘active-line’); afterBox.classList.add(‘active-line’); } } // 初始化时执行 updateSalesProof();