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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>抽奖页面</title>
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<style>
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body {
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font-family: 'Arial', sans-serif;
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height: 100vh;
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margin: 0;
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display: flex;
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justify-content: center;
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align-items: center;
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background: linear-gradient(135deg, #6e45e2, #88d3ce);
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color: white;
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transition: background-color 0.5s ease;
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}
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.container {
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text-align: center;
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background-color: rgba(255, 255, 255, 0.1);
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padding: 30px;
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border-radius: 15px;
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box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
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opacity: 1;
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transition: opacity 0.5s ease;
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}
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#pointsDisplay {
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font-size: 1.5em;
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margin-bottom: 20px;
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}
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button {
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padding: 12px 30px;
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font-size: 1.1em;
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border: none;
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border-radius: 50px;
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background-color: #ff5722;
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color: white;
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cursor: pointer;
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box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
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transition: background-color 0.3s ease, box-shadow 0.3s ease;
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margin: 10px;
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}
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button:hover {
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background-color: #ff3d00;
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box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
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}
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#loading {
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display: none;
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font-size: 1.5em;
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margin-top: 20px;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<div id="pointsDisplay">当前积分: </div>
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<button id="startLotteryButton">开始抽奖</button>
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<button class="back-button" id="backButton">返回前一页面</button>
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<div id="result"></div>
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<div id="loading">正在加载，请稍候...</div>
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</div>
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<script>
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const urlParams = new URLSearchParams(window.location.search);
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let name = urlParams.get('name');
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// 如果 URL 中没有 name 参数，尝试从 localStorage 获取
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if (!name) {
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name = localStorage.getItem('currentUserName');
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}
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const pointsDisplay = document.querySelector('#pointsDisplay');
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const startLotteryButton = document.querySelector('#startLotteryButton');
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const resultDisplay = document.querySelector('#result');
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const backButton = document.getElementById('backButton');
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const loadingIndicator = document.getElementById('loading');
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// 睡眠函数，让页面跳转更自然
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function sleep(d) {
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return new Promise(resolve => setTimeout(resolve, d));
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}
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// 获取该用户的积分
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let userPoints = parseInt(localStorage.getItem(name)) || 0;
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pointsDisplay.textContent = `${name} 的当前积分: ${userPoints}`;
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// 设置返回按钮的 URL
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backButton.onclick = () => {
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loadingIndicator.style.display = 'block'; // 显示加载提示
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window.location.href = `choice.html?name=${encodeURIComponent(name)}`;
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};
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// 抽奖逻辑
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startLotteryButton.addEventListener('click', async () => {
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if (userPoints >= 20) {
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userPoints -= 20; // 每次抽奖消耗 20 分
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localStorage.setItem(name, userPoints); // 保存更新后的积分
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pointsDisplay.textContent = `${name} 的当前积分: ${userPoints}`;
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// 随机选择奖品
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const prizes = ["跳过权", "再来一次", "什么也没有发生", "加30积分且跳过"];
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const randomPrize = prizes[Math.floor(Math.random() * prizes.length)];
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resultDisplay.textContent = `你赢得了: ${randomPrize}`;
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// 等待 2 秒以展示结果
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await sleep(2000);
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loadingIndicator.style.display = 'block'; // 显示加载提示
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if (randomPrize === '跳过权') {
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await sleep(1000);
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window.location.href = `select.html?name=${encodeURIComponent(name)}`;
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} else if (randomPrize === '再来一次') {
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userPoints += 20;
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localStorage.setItem(name, userPoints);
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} else if (randomPrize === '什么也没有发生') {
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await sleep(1000);
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window.location.href = `answer.html?name=${encodeURIComponent(name)}`;
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} else if (randomPrize === '加30积分且跳过') {
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userPoints += 30;
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localStorage.setItem(name, userPoints);
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await sleep(1000);
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window.location.href = `select.html?name=${encodeURIComponent(name)}`;
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}
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} else {
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resultDisplay.textContent = "积分不足，无法抽奖！";
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loadingIndicator.style.display = 'block'; // 显示加载提示
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await sleep(1000);
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window.location.href = `answer.html?name=${encodeURIComponent(name)}`;
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}
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});
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</script>
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</body>
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</html>
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