User-Study-For-Methodxxx/index.html at main · PLUS-WAVE/User-Study-For-Methodxxx · GitHub

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<!DOCTYPE html>
<html lang="zh-cn">
<head>
    <meta charset="UTF-8">
    <title>User Study For Methodxxx</title>
    <style>
        body { font-family: Arial, sans-serif; margin: 40px; }
        .case-block { margin-bottom: 32px; border: 1px solid #ccc; padding: 16px; border-radius: 8px; }
        .case-title { font-weight: bold; margin-bottom: 12px; }
        .videos {
            display: flex;
            gap: 24px;
            margin-bottom: 12px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .video-item {
            flex: 1 1 320px;
            min-width: 260px;
            max-width: 500px;
            box-sizing: border-box;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        select {
            font-size: 14px;
            padding: 4px 6px;
            border: 1px solid #bbb;
            border-radius: 6px;
            background: #fff;
            color: #333;
            margin-top: 8px;
            margin-bottom: 8px;
            outline: none;
            transition: border 0.2s, box-shadow 0.2s;
            box-shadow: none;
        }
        select:focus {
            border: 1.5px solid #888;
            box-shadow: 0 0 4px #e0e0e0;
        }
        label {
            font-size: 15px;
            color: #444;
            font-weight: 500;
        }
        .submit-btn { font-size: 18px; padding: 10px 30px; margin-top: 30px; }
        video {
            width: 100%;
            height: auto;
            display: block;
            margin: 0 auto;
            max-width: 500px;
        }
        .small-video {
            max-width: 380px !important;
        }
    </style>
</head>
<body>
    <h1>User Study For Methodxxx</h1>
    <div style="color: #000000; font-size: 18px; margin-bottom: 18px;">
        注意事项：<br>
        1. 每个Case下有3个视频，顺序为A、B、C，但每个字母对应的算法是随机的。<br>
        2. 请根据您的主观感受为每个视频选择排序（第一名、第二名、第三名）。<br>
        3. 请根据以下标准进行评价：<b>xxx</b>的改善程度，以及<b>xxxx</b>的xxxxx。<br>
        4. 所有排序填写完毕后再点击“提交”。<br>
        5. 提交后不可更改，请认真填写。
    </div>
    <form id="userStudyForm">
        <div id="casesContainer"></div>
        <div style="text-align:center;">
            <button type="submit" class="submit-btn">提交</button>
        </div>
    </form>
    <script>
        // 随机分配算法到A/B/C
        function shuffle(arr) {
            for (let i = arr.length - 1; i > 0; i--) {
                const j = Math.floor(Math.random() * (i + 1));
                [arr[i], arr[j]] = [arr[j], arr[i]];
            }
            return arr;
        }

        // 算法与文件夹名映射
        const algorithms = ['Method3', 'Method1', 'Method2'];
        const algoFolderMap = { 'Method3': 'Method3', 'Method1': 'Method1', 'Method2': 'Method2' };
        // n个视频名，顺序与case一一对应
        const videoNameList = [
            'case-1',
            'case-2',
            'case-3',
            'case-4',
            'case-5',
            'case-6',
            'case-7',
            'case-8',
            'case-9',
            'case-10'
        ];
        const cases = Array.from({length: videoNameList.length}, (_, i) => `Case-${i+1}`);
        const casesContainer = document.getElementById('casesContainer');
        const caseAlgoMaps = [];

        cases.forEach((caseName, idx) => {
            const algoOrder = shuffle(['A', 'B', 'C']);
            const algoMap = {};
            shuffle([...algorithms]).forEach((alg, i) => algoMap[algoOrder[i]] = alg);
            caseAlgoMaps.push({...algoMap});

            const block = document.createElement('div');
            block.className = 'case-block';
            block.innerHTML = `<div class="case-title">${caseName}</div>`;
            const videoName = videoNameList[idx];
            const originalDiv = document.createElement('div');
            originalDiv.style = 'margin-bottom: 10px; text-align: center;';
            const btn = document.createElement('button');
            btn.type = 'button';
            btn.textContent = '查看原视频';
            btn.style = [
                'margin-bottom: 8px;',
                'padding: 6px 18px;',
                'font-size: 14px;',
                'border: 1px solid #ddd;',
                'border-radius: 6px;',
                'background: #fff;',
                'color: #333;',
                'cursor: pointer;',
                'transition: background 0.2s, border 0.2s;',
                'box-shadow: none;',
                'outline: none;'
            ].join(' ');
            btn.onmouseover = function() {
                btn.style.background = '#f5f5f5';
                btn.style.border = '1.5px solid #bbb';
            };
            btn.onmouseout = function() {
                btn.style.background = '#fff';
                btn.style.border = '1px solid #ddd';
            };
            const oriVideo = document.createElement('video');
            oriVideo.style.display = 'none';
            oriVideo.controls = true;
            oriVideo.addEventListener('loadedmetadata', function() {
                if (oriVideo.videoWidth > oriVideo.videoHeight) {
                    oriVideo.width = 500;
                } else {
                    oriVideo.width = 400;
                }
            });
            if (videoName.includes('dance') || videoName.includes('HPW') || videoName.includes('running')) {
                oriVideo.classList.add('small-video');
            }
            oriVideo.width = 500;
            oriVideo.innerHTML = `<source src="videos/original/${videoName}.mp4" type="video/mp4">您的浏览器不支持 video 标签。`;
            btn.addEventListener('click', () => {
                if (oriVideo.style.display === 'none') {
                    oriVideo.style.display = '';
                    btn.textContent = '隐藏原视频';
                } else {
                    oriVideo.style.display = 'none';
                    btn.textContent = '查看原视频';
                }
            });
            originalDiv.appendChild(btn);
            originalDiv.appendChild(document.createElement('br'));
            originalDiv.appendChild(oriVideo);
            block.appendChild(originalDiv);
            const videosDiv = document.createElement('div');
            videosDiv.className = 'videos';
            algoOrder.forEach((label, i) => {
                const videoDiv = document.createElement('div');
                videoDiv.className = 'video-item';
                const algo = algoMap[label];
                videoDiv.setAttribute('data-algo', algo);
                const folder = algoFolderMap[algo];
                const videoName = videoNameList[idx];
                let extraClass = 'dance';
                if (videoName.includes('dance') || videoName.includes('HPW') || videoName.includes('running')) {
                    extraClass = ' small-video';
                }
                const videoId = `algo_video_${idx}_${i}`;
                videoDiv.innerHTML = `
                    <div>视频 ${['A','B','C'][i]}</div>
                    <video id="${videoId}" class="algo-video${extraClass}" controls>
                        <source src="videos/${folder}/${videoName}.mp4" type="video/mp4">
                        您的浏览器不支持 video 标签。
                    </video>
                    <div>
                        <label>排序:
                            <select name="case${idx+1}_${label}" required>
                                <option value="">请选择</option>
                                <option value="1">第一名</option>
                                <option value="2">第二名</option>
                                <option value="3">第三名</option>
                            </select>
                        </label>
                    </div>
                `;
                setTimeout(() => {
                    const algoVideo = document.getElementById(videoId);
                    if (algoVideo) {
                        algoVideo.addEventListener('loadedmetadata', function() {
                            if (algoVideo.videoWidth > algoVideo.videoHeight) {
                                algoVideo.width = 500;
                            } else {
                                algoVideo.width = 400;
                            }
                        });
                    }
                }, 0);
                videosDiv.appendChild(videoDiv);
            });
            block.appendChild(videosDiv);
            casesContainer.appendChild(block);
        });

        document.querySelectorAll('.case-block').forEach(block => {
            const selects = block.querySelectorAll('select');
            selects.forEach(sel => {
                sel.addEventListener('change', () => {
                    const values = Array.from(selects).map(s => s.value).filter(v => v);
                    selects.forEach(s => {
                        Array.from(s.options).forEach(opt => {
                            if(opt.value && values.includes(opt.value) && s.value !== opt.value) {
                                opt.disabled = true;
                            } else {
                                opt.disabled = false;
                            }
                        });
                    });
                });
            });
        });

        document.getElementById('userStudyForm').addEventListener('submit', function(e) {
            e.preventDefault();
            const data = {};
            cases.forEach((caseName, idx) => {
                const algoRank = {};
                ['A','B','C'].forEach(label => {
                    const sel = document.querySelector(`[name=case${idx+1}_${label}]`);
                    const algo = caseAlgoMaps[idx][label];
                    algoRank[algo] = sel.value;
                });
                const sortedAlgoRank = Object.keys(algoRank).sort().reduce((acc, key) => {
                    acc[key] = algoRank[key];
                    return acc;
                }, {});
                data[caseName] = sortedAlgoRank;
            });
            fetch('/save_result', {
                method: 'POST',
                headers: { 'Content-Type': 'application/json' },
                body: JSON.stringify(data)
            }).then(res => {
                if (res.ok) {
                    alert('感谢您的参与！\n您的排序结果已提交到服务器。');
                    window.location.reload(); // 提交成功后刷新页面，防止重复提交
                } else {
                    alert('提交失败，请重试。');
                }
            }).catch(() => {
                alert('提交失败，请检查网络或联系管理员。');
            });
            console.log(data);
        });

        const submitBtn = document.querySelector('.submit-btn');
        if (submitBtn) {
            submitBtn.style.background = '#fff';
            submitBtn.style.color = '#333';
            submitBtn.style.border = '1px solid #ddd';
            submitBtn.style.borderRadius = '6px';
            submitBtn.style.boxShadow = 'none';
            submitBtn.style.transition = 'background 0.2s, border 0.2s';
            submitBtn.onmouseover = function() {
                submitBtn.style.background = '#f5f5f5';
                submitBtn.style.border = '1.5px solid #bbb';
            };
            submitBtn.onmouseout = function() {
                submitBtn.style.background = '#fff';
                submitBtn.style.border = '1px solid #ddd';
            };
        }
    </script>
</body>
</html>