用豆包生成的BMI计算器（豆包的热量是多少?）

zhezhongyun 2025-07-03 20:56 42 浏览

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>BMI 计算器</title>
    <style>
        :root {
            --body-bg-start: #e8eaf6;
            --body-bg-end: #d1c4e9;
            --card-bg: rgba(255, 255, 255, 0.9);
            --button-gradient-start: #7e57c2;
            --button-gradient-end: #9575cd;
            --button-hover-gradient-start: #673ab7;
            --button-hover-gradient-end: #8e67c7;
            --input-border: #bdbdbd;
            --input-focus-border: #7e57c2;
            --underweight-bg: #b3e5fc;
            --normal-bg: #c8e6c9;
            --overweight-bg: #ffe0b2;
            --obese-bg: #ffcdd2;
            --text-color: #212121;
            --shadow-color: rgba(0, 0, 0, 0.1);
        }

        body {
            font-family: 'Roboto', sans-serif;
            background: linear-gradient(to bottom, var(--body-bg-start), var(--body-bg-end));
            color: var(--text-color);
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            margin: 0;
        }

        .card {
            background-color: var(--card-bg);
            border-radius: 20px;
            box-shadow: 0 16px 32px var(--shadow-color);
            padding: 60px;
            width: 90%;
            max-width: 700px;
            box-sizing: border-box;
        }

        h1 {
            text-align: center;
            font-size: 32px;
            margin-bottom: 40px;
        }

        .input-group {
            margin-bottom: 30px;
        }

        label {
            display: block;
            margin-bottom: 12px;
            font-size: 20px;
            font-weight: 500;
        }

        input[type="number"] {
            width: 100%;
            padding: 18px;
            border: 1px solid var(--input-border);
            border-radius: 10px;
            transition: border-color 0.3s ease;
            font-size: 18px;
            box-sizing: border-box;
        }

        input[type="number"]:focus {
            border-color: var(--input-focus-border);
            outline: none;
        }

        button {
            width: 100%;
            padding: 18px;
            background: linear-gradient(to right, var(--button-gradient-start), var(--button-gradient-end));
            color: white;
            border: none;
            border-radius: 10px;
            box-shadow: 0 8px 16px var(--shadow-color);
            cursor: pointer;
            transition: background 0.3s ease;
            font-size: 20px;
            font-weight: 500;
        }

        button:hover {
            background: linear-gradient(to right, var(--button-hover-gradient-start), var(--button-hover-gradient-end));
        }

        #result {
            margin-top: 40px;
            padding: 30px;
            border-radius: 10px;
            text-align: center;
            display: none;
            font-size: 22px;
        }

        #result .bmi-value {
            font-size: 32px;
            font-weight: 700;
        }

        .danmaku {
            position: fixed;
            top: 0;
            right: 0;
            pointer-events: none;
            z-index: 999;
            white-space: nowrap;
            padding: 16px 32px;
            border-radius: 30px;
            color: white;
            background-color: hsl(calc(var(--random-hue, 0) * 360), 30%, 60%);
            animation: danmakuMove linear;
        }

        @keyframes danmakuMove {
            from {
                transform: translateX(100%);
            }
            to {
                transform: translateX(-100vw);
            }
        }
    </style>
</head>

<body>
    <div class="card">
        <h1>BMI 计算器</h1>
        <div class="input-group">
            <label for="height">你的身高(cm)</label>
            <input type="number" id="height" placeholder="请输入身高">
        </div>
        <div class="input-group">
            <label for="weight">你的体重(kg)</label>
            <input type="number" id="weight" placeholder="请输入体重">
        </div>
        <button onclick="calculateBMI()">计算 BMI</button>
        <div id="result"></div>
    </div>

    <script>
        function calculateBMI() {
            const height = parseFloat(document.getElementById('height').value);
            const weight = parseFloat(document.getElementById('weight').value);

            if (isNaN(height) || isNaN(weight) || height <= 0 || weight <= 0) {
                alert('请输入有效的身高和体重值。');
                return;
            }

            const bmi = (weight / ((height / 100) * (height / 100))).toFixed(2);
            let category = '';
            let message = '';
            let resultBg = '';

            if (bmi < 18.5) {
                category = '偏瘦';
                message = '风一吹，你怕是要像风筝一样飘走咯！';
                resultBg = getComputedStyle(document.documentElement).getPropertyValue('--underweight-bg');
            } else if (bmi >= 18.5 && bmi < 24) {
                category = '正常';
                message = '嘿，你这身材，老天爷赏饭吃的 “刚刚好” 呀！';
                resultBg = getComputedStyle(document.documentElement).getPropertyValue('--normal-bg');
            } else if (bmi >= 24 && bmi < 28) {
                category = '超重';
                message = '再胖点，你能去给熊猫当替身咯！';
                resultBg = getComputedStyle(document.documentElement).getPropertyValue('--overweight-bg');
            } else {
                category = '肥胖';
                message = '你不是胖，你是可爱到膨胀啦';
                resultBg = getComputedStyle(document.documentElement).getPropertyValue('--obese-bg');
            }

            const resultDiv = document.getElementById('result');
            resultDiv.innerHTML = `你的 BMI 值是：<span class="bmi-value">${bmi}</span>，体重分类：${category}`;
            resultDiv.style.display = 'block';
            resultDiv.style.backgroundColor = resultBg;

            generateDanmaku(message);
        }

        function generateDanmaku(message) {
            const numDanmaku = Math.floor(window.innerHeight / 50);
            for (let i = 0; i < numDanmaku; i++) {
                const danmaku = document.createElement('div');
                danmaku.classList.add('danmaku');
                danmaku.style.top = `${i * 50}px`;
                danmaku.style.setProperty('--random-hue', Math.random());
                danmaku.style.animationDuration = `${Math.random() * 8 + 4}s`;
                danmaku.textContent = message;
                document.body.appendChild(danmaku);

                danmaku.addEventListener('animationend', () => {
                    danmaku.remove();
                });
            }
        }
    </script>
</body>

</html>

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用豆包生成的BMI计算器（豆包的热量是多少?）

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