抽奖程序（带奖金池）

作者： 作者的头像   huolong , 时间：2025-07-22 10:50:24 , 所有人可见, 阅读  149 
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>完整随机抽奖系统</title>
    <style>
        body {
            font-family: 'Arial', sans-serif;
            background: linear-gradient(135deg, #1a2a6c, #b21f1f, #fdbb2d);
            min-height: 100vh;
            margin: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            color: white;
            overflow-x: hidden;
            padding: 20px 0;
        }

        .container {
            background-color: rgba(0, 0, 0, 0.7);
            border-radius: 15px;
            padding: 30px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
            text-align: center;
            width: 90%;
            max-width: 1000px;
            backdrop-filter: blur(10px);
            margin-bottom: 20px;
        }

        h1 {
            margin-top: 0;
            font-size: 2.5em;
            text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
        }

        .pool-section {
            margin-bottom: 30px;
        }

        .pool-container {
            background: rgba(0, 0, 0, 0.4);
            border-radius: 10px;
            padding: 15px;
            margin-top: 15px;
        }

        .pool-title {
            font-size: 1.3em;
            margin-bottom: 10px;
            color: #ffcc00;
            font-weight: bold;
        }

        .pool-items {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            min-height: 60px;
        }

        .pool-item {
            background: linear-gradient(45deg, #00c6ff, #0072ff);
            width: 40px;
            height: 40px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2em;
            font-weight: bold;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
            cursor: pointer;
            transition: all 0.3s;
        }

        .pool-item:hover {
            transform: scale(1.1);
            box-shadow: 0 0 15px rgba(0, 198, 255, 0.7);
        }

        .pool-item.selected {
            background: linear-gradient(45deg, #00ff00, #009900);
            transform: scale(1.1);
            box-shadow: 0 0 20px rgba(0, 255, 0, 0.7);
        }

        .pool-item.used {
            opacity: 0.5;
            background: linear-gradient(45deg, #888, #555);
            cursor: not-allowed;
        }

        .draw-section {
            margin: 30px 0;
        }

        .groups-container {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin: 30px 0;
        }

        .group {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .group-row {
            display: flex;
            justify-content: center;
            gap: 20px;
        }

        .result-box {
            width: 80px;
            height: 80px;
            background: linear-gradient(45deg, #ff0084, #33001b);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5em;
            font-weight: bold;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
            position: relative;
            overflow: hidden;
            transition: all 0.3s;
            cursor: pointer;
        }

        .result-box.winner {
            background: linear-gradient(45deg, #00ff00, #009900);
            transform: scale(1.1);
            box-shadow: 0 0 20px rgba(0, 255, 0, 0.7);
        }

        .result-box::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(
                to bottom right,
                rgba(255, 255, 255, 0.3),
                rgba(255, 255, 255, 0)
            );
            transform: rotate(30deg);
            animation: shine 3s infinite;
        }

        @keyframes shine {
            0% {
                transform: rotate(30deg) translate(-30%, -30%);
            }
            100% {
                transform: rotate(30deg) translate(30%, 30%);
            }
        }

        button {
            background: linear-gradient(45deg, #00c6ff, #0072ff);
            color: white;
            border: none;
            padding: 12px 25px;
            font-size: 1.1em;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            outline: none;
            margin: 10px 5px;
            min-width: 150px;
        }

        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
        }

        button:active {
            transform: translateY(1px);
        }

        button:disabled {
            background: linear-gradient(45deg, #666, #444);
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .confetti {
            position: absolute;
            width: 10px;
            height: 10px;
            background-color: #f00;
            opacity: 0;
        }

        @keyframes rollIn {
            0% {
                transform: scale(0) rotate(-180deg);
                opacity: 0;
            }
            100% {
                transform: scale(1) rotate(0);
                opacity: 1;
            }
        }

        .roll-in {
            animation: rollIn 0.5s ease-out forwards;
        }

        @keyframes winnerPulse {
            0% {
                transform: scale(1);
                box-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
            }
            50% {
                transform: scale(1.1);
                box-shadow: 0 0 25px rgba(0, 255, 0, 0.9);
            }
            100% {
                transform: scale(1);
                box-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
            }
        }

        .winner-pulse {
            animation: winnerPulse 1.5s infinite;
        }

        .controls {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 20px;
        }

        .result-display {
            font-size: 2em;
            font-weight: bold;
            color: #00ff00;
            margin: 20px 0;
            min-height: 1.5em;
        }

        .group-title {
            font-size: 1.2em;
            margin-bottom: 10px;
            color: #00c6ff;
            font-weight: bold;
        }

        .winner-select {
            margin-top: 10px;
            font-size: 0.9em;
            color: #ccc;
        }

        @keyframes numberRoll {
            0% { transform: translateY(-20px); opacity: 0; }
            100% { transform: translateY(0); opacity: 1; }
        }

        .number-roll {
            animation: numberRoll 0.3s ease-out;
        }

        .instructions {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            padding: 15px;
            margin: 20px 0;
            text-align: left;
            font-size: 0.9em;
        }

        .instructions h3 {
            margin-top: 0;
            color: #00c6ff;
        }

        .instructions ol {
            padding-left: 20px;
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>完整随机抽奖系统</h1>

        <div class="instructions">
            <h3>使用说明：</h3>
            <ol>
                <li>初始抽奖池包含1-26数字，点击"开始抽取"从池中随机抽取6个数字</li>
                <li>抽取的数字分成三组，每组点击选择一个获胜数字</li>
                <li>获胜数字会返回抽奖池，可以继续抽取</li>
                <li>已使用的数字会变灰不可选</li>
            </ol>
        </div>

        <div class="pool-section">
            <div class="pool-title">初始抽奖池 (1-26)</div>
            <div class="pool-container">
                <div class="pool-items" id="initialPool"></div>
            </div>
        </div>

        <div class="draw-section">
            <button id="drawButton">开始抽取</button>
            <div class="result-display" id="drawResult"></div>
        </div>

        <div class="groups-container" id="groupsContainer" style="display: none;">
            <div class="group">
                <div class="group-title">第一组</div>
                <div class="group-row">
                    <div class="result-box" id="result1">?</div>
                    <div class="result-box" id="result2">?</div>
                </div>
                <div class="winner-select">点击选择获胜数字</div>
            </div>

            <div class="group">
                <div class="group-title">第二组</div>
                <div class="group-row">
                    <div class="result-box" id="result3">?</div>
                    <div class="result-box" id="result4">?</div>
                </div>
                <div class="winner-select">点击选择获胜数字</div>
            </div>

            <div class="group">
                <div class="group-title">第三组</div>
                <div class="group-row">
                    <div class="result-box" id="result5">?</div>
                    <div class="result-box" id="result6">?</div>
                </div>
                <div class="winner-select">点击选择获胜数字</div>
            </div>
        </div>

        <div class="pool-section">
            <div class="pool-title">获胜数字池</div>
            <div class="pool-container">
                <div class="pool-items" id="winnerPool"></div>
            </div>
        </div>

        <div class="controls">
            <button id="returnWinnersButton" disabled>将获胜数字返回抽奖池</button>
            <button id="resetButton">重置全部</button>
        </div>
    </div>

    <script>
        // 初始化数据
        let allNumbers = Array.from({length: 26}, (_, i) => i + 1);
        let availableNumbers = [...allNumbers];
        let usedNumbers = [];
        let currentDraw = [];
        let winners = [];

        // 初始化页面
        function initializePage() {
            renderInitialPool();
            document.getElementById('groupsContainer').style.display = 'none';
            document.getElementById('drawResult').textContent = '';
            document.getElementById('returnWinnersButton').disabled = true;
        }

        // 渲染初始抽奖池
        function renderInitialPool() {
            const poolElement = document.getElementById('initialPool');
            poolElement.innerHTML = '';

            allNumbers.forEach(num => {
                const item = document.createElement('div');
                item.className = 'pool-item';
                item.textContent = num;

                if (usedNumbers.includes(num)) {
                    item.classList.add('used');
                } else {
                    item.addEventListener('click', () => toggleSelectNumber(num, item));
                }

                poolElement.appendChild(item);
            });
        }

        // 渲染获胜数字池
        function renderWinnerPool() {
            const poolElement = document.getElementById('winnerPool');
            poolElement.innerHTML = '';

            winners.forEach(num => {
                const item = document.createElement('div');
                item.className = 'pool-item selected';
                item.textContent = num;
                poolElement.appendChild(item);
            });
        }

        // 切换数字选择状态
        function toggleSelectNumber(num, element) {
            element.classList.toggle('selected');
        }

        // 获取选中的数字
        function getSelectedNumbers() {
            const selectedElements = document.querySelectorAll('#initialPool .pool-item.selected:not(.used)');
            return Array.from(selectedElements).map(el => parseInt(el.textContent));
        }

        // 开始抽取
        document.getElementById('drawButton').addEventListener('click', function() {
            if (availableNumbers.length < 6) {
                alert('抽奖池中剩余数字不足6个，请重置或返回获胜数字到抽奖池！');
                return;
            }

            // 从可用数字中随机抽取6个
            const shuffled = [...availableNumbers].sort(() => 0.5 - Math.random());
            currentDraw = shuffled.slice(0, 6);

            // 从可用数字中移除已抽取的数字
            currentDraw.forEach(num => {
                const index = availableNumbers.indexOf(num);
                if (index !== -1) {
                    availableNumbers.splice(index, 1);
                    usedNumbers.push(num);
                }
            });

            // 显示抽取结果
            document.getElementById('drawResult').textContent = `已抽取: ${currentDraw.join(', ')}`;
            document.getElementById('drawResult').classList.add('number-roll');

            // 显示分组
            showGroups(currentDraw);

            // 重新渲染抽奖池
            renderInitialPool();

            // 禁用按钮
            this.disabled = true;

            // 触发重绘动画
            setTimeout(() => {
                document.getElementById('drawResult').classList.remove('number-roll');
            }, 300);
        });

        // 显示分组
        function showGroups(numbers) {
            const groupsContainer = document.getElementById('groupsContainer');
            groupsContainer.style.display = 'flex';

            // 清空之前的选择
            winners = [];

            // 打乱顺序后分成三组
            const shuffled = [...numbers].sort(() => 0.5 - Math.random());
            const groups = [
                [shuffled[0], shuffled[1]],
                [shuffled[2], shuffled[3]],
                [shuffled[4], shuffled[5]]
            ];

            // 显示数字
            for (let i = 0; i < 3; i++) {
                for (let j = 0; j < 2; j++) {
                    const box = document.getElementById(`result${i * 2 + j + 1}`);
                    box.textContent = groups[i][j];
                    box.classList.remove('winner', 'winner-pulse');

                    // 添加点击事件
                    box.onclick = function() {
                        // 清除同组的其他选择
                        const groupStart = i * 2;
                        document.getElementById(`result${groupStart + 1}`).classList.remove('winner', 'winner-pulse');
                        document.getElementById(`result${groupStart + 2}`).classList.remove('winner', 'winner-pulse');

                        // 标记当前选择的为获胜者
                        this.classList.add('winner', 'winner-pulse');

                        // 保存获胜数字
                        winners[i] = parseInt(this.textContent);

                        // 如果有3个获胜者，启用返回按钮
                        if (winners.filter(w => w).length === 3) {
                            document.getElementById('returnWinnersButton').disabled = false;
                        }
                    };
                }
            }
        }

        // 将获胜数字返回抽奖池
        document.getElementById('returnWinnersButton').addEventListener('click', function() {
            if (winners.length === 0 || winners.filter(w => w).length < 3) {
                alert('请为每组选择一个获胜数字！');
                return;
            }

            // 将获胜数字返回可用数字池
            winners.forEach(num => {
                if (num && usedNumbers.includes(num)) {
                    const index = usedNumbers.indexOf(num);
                    usedNumbers.splice(index, 1);
                    availableNumbers.push(num);
                }
            });

            // 添加到获胜数字池显示
            renderWinnerPool();

            // 重置状态
            winners = [];
            document.getElementById('groupsContainer').style.display = 'none';
            document.getElementById('drawResult').textContent = '获胜数字已返回抽奖池';
            document.getElementById('drawButton').disabled = false;
            this.disabled = true;

            // 重新渲染抽奖池
            renderInitialPool();

            // 庆祝效果
            createConfetti();
        });

        // 重置全部
        document.getElementById('resetButton').addEventListener('click', function() {
            availableNumbers = [...allNumbers];
            usedNumbers = [];
            currentDraw = [];
            winners = [];
            initializePage();
            renderWinnerPool();
            document.getElementById('drawButton').disabled = false;
        });

        // 创建庆祝效果
        function createConfetti() {
            const colors = ['#ff0000', '#00ff00', '#0000ff', '#ffff00', '#ff00ff', '#00ffff'];

            for (let i = 0; i < 150; i++) {
                const confetti = document.createElement('div');
                confetti.className = 'confetti';
                confetti.style.backgroundColor = colors[Math.floor(Math.random() * colors.length)];
                confetti.style.left = Math.random() * 100 + 'vw';
                confetti.style.top = -10 + 'px';
                confetti.style.transform = `rotate(${Math.random() * 360}deg)`;
                confetti.style.width = Math.random() * 10 + 5 + 'px';
                confetti.style.height = Math.random() * 10 + 5 + 'px';

                document.body.appendChild(confetti);

                const animationDuration = Math.random() * 3 + 2;

                confetti.style.animation = `
                    drop ${animationDuration}s linear forwards,
                    fade ${animationDuration}s linear forwards
                `;

                // 随机运动路径
                const keyframes = `
                    @keyframes drop {
                        0% {
                            top: -10px;
                            left: ${Math.random() * 100}vw;
                            opacity: 1;
                        }
                        100% {
                            top: 100vh;
                            left: ${Math.random() * 100}vw;
                            opacity: 0;
                        }
                    }

                    @keyframes fade {
                        0% { opacity: 1; }
                        80% { opacity: 1; }
                        100% { opacity: 0; }
                    }
                `;

                const style = document.createElement('style');
                style.innerHTML = keyframes;
                document.head.appendChild(style);

                // 动画结束后移除元素
                setTimeout(() => {
                    confetti.remove();
                    style.remove();
                }, animationDuration * 1000);
            }
        }

        // 初始化页面
        initializePage();
    </script>
</body>
</html>

—— 本文来自火龙信奥（义乌睿码科技）：义乌青少年信息学奥赛与编程教育平台，专注 CSP-J/S、NOIP、GESP 竞赛培训，线上线下融合教学，助力编程升学。网址：hlcoding.com