317 lines
10 KiB
HTML
317 lines
10 KiB
HTML
<!DOCTYPE html>
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<html lang="zh-CN">
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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>秀儿文件提交系统</title>
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<style>
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body {
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font-family: 'Helvetica Neue', Arial, sans-serif;
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background-color: #f0f2f5;
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margin: 0;
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padding: 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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min-height: 100vh;
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}
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.container {
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background-color: #ffffff;
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border-radius: 8px;
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box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
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padding: 30px;
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width: 100%;
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max-width: 400px;
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}
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.image-container {
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margin-bottom: 20px;
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border-radius: 8px;
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overflow: hidden;
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}
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.image-container img {
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width: 100%;
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height: auto;
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display: block;
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}
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h1 {
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color: #333;
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font-size: 24px;
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margin-bottom: 20px;
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text-align: center;
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}
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.form-field {
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margin-bottom: 20px;
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}
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label {
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display: block;
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margin-bottom: 5px;
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color: #555;
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font-weight: 500;
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}
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input[type="text"] {
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width: 100%;
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padding: 10px;
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border: 1px solid #ddd;
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border-radius: 4px;
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font-size: 16px;
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}
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.file-input-wrapper {
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position: relative;
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overflow: visible;
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display: inline-block;
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width: 100%;
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}
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.file-input-button {
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background-color: #f0f0f0;
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border: 1px solid #ddd;
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color: #333;
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padding: 10px 15px;
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border-radius: 4px;
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font-size: 16px;
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cursor: pointer;
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display: inline-block;
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width: 100%;
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text-align: center;
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box-sizing: border-box;
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transition: background-color 0.3s, border-color 0.3s;
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}
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.file-input-button:hover {
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background-color: #e0e0e0;
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border-color: #ccc;
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}
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.file-input-button input[type=file] {
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font-size: 100px;
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position: absolute;
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left: 0;
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top: 0;
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opacity: 0;
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cursor: pointer;
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width: 100%;
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height: 100%;
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}
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#file-name {
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margin-top: 5px;
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font-size: 14px;
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color: #666;
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}
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button[type="submit"] {
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background-color: #1890ff;
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color: white;
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border: none;
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padding: 12px 20px;
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border-radius: 4px;
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font-size: 16px;
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cursor: pointer;
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width: 100%;
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transition: background-color 0.3s;
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}
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button[type="submit"]:hover {
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background-color: #40a9ff;
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}
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.progress-container {
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margin-top: 20px;
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display: none;
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}
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.progress {
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height: 10px;
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background-color: #f0f0f0;
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border-radius: 5px;
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overflow: hidden;
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}
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.progress-bar {
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height: 100%;
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background-color: #1890ff;
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width: 0;
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transition: width 0.3s ease;
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}
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#progress-percentage {
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font-size: 14px;
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color: #666;
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margin-top: 5px;
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}
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#status {
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margin-top: 15px;
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font-size: 14px;
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color: #666;
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}
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#download-link {
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display: inline-block;
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margin-top: 20px;
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text-decoration: none;
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color: #1890ff;
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font-size: 14px;
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}
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.upload-stats {
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margin-top: 10px;
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font-size: 14px;
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color: #666;
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}
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.upload-stats span {
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display: inline-block;
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margin-right: 15px;
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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 class="image-container">
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<img src="image.jpg" alt="描述性文本">
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</div>
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<h1>秀儿文件提交系统</h1>
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<form id="upload-form">
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<div class="form-field">
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<label for="student">学生姓名:</label>
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<input type="text" id="student" name="student" required>
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</div>
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<div class="form-field">
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<label for="student-id">学号:</label>
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<input type="text" id="student-id" name="student-id" required>
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</div>
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<div class="form-field">
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<label for="file">选择文件:</label>
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<div class="file-input-wrapper">
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<div class="file-input-button">
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选择文件
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<input type="file" id="file" name="file" required>
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</div>
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</div>
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<div id="file-name">未选择文件</div>
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</div>
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<button type="submit">提交 (截止日期: 2024.07.03)</button>
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</form>
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<div id="status"></div>
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<div class="progress-container" id="progress-container">
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<div class="progress">
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<div class="progress-bar" id="progress-bar"></div>
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</div>
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<div id="progress-percentage">0%</div>
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<div class="upload-stats">
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<span id="upload-speed">速度: 0 KB/s</span>
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<span id="upload-size">0 KB / 0 KB</span>
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<span id="upload-time">剩余时间: 计算中</span>
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</div>
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</div>
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<a href="/download-submissions" id="download-link">下载统计表格</a>
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</div>
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<script>
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document.getElementById('upload-form').addEventListener('submit', async (e) => {
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e.preventDefault();
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const student = document.getElementById('student').value;
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const studentId = document.getElementById('student-id').value;
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const file = document.getElementById('file').files[0];
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const statusDiv = document.getElementById('status');
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const progressContainer = document.getElementById('progress-container');
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const progressBar = document.getElementById('progress-bar');
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const progressPercentage = document.getElementById('progress-percentage');
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const uploadSpeed = document.getElementById('upload-speed');
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const uploadSize = document.getElementById('upload-size');
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const uploadTime = document.getElementById('upload-time');
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if (!student || !studentId || !file) {
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alert('请提供学生姓名、学号，并选择一个文件。');
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return;
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}
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statusDiv.textContent = '准备上传...';
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progressContainer.style.display = 'block';
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try {
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const response = await fetch(`/generate-url?student=${encodeURIComponent(student)}&student_id=${encodeURIComponent(studentId)}&filename=${encodeURIComponent(file.name)}&content_type=${encodeURIComponent(file.type)}`, {
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method: 'GET',
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});
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if (!response.ok) {
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const errorData = await response.json();
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throw new Error(`生成预签名URL失败: ${errorData.error}`);
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}
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const data = await response.json();
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if (!data.url) {
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throw new Error('服务器未返回URL');
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}
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statusDiv.textContent = '正在上传文件...';
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const totalSize = file.size;
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let uploadedSize = 0;
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let startTime = Date.now();
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const updateProgress = (additionalProgress = 0) => {
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uploadedSize += additionalProgress;
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const percentComplete = (uploadedSize / totalSize) * 100;
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const elapsedTime = (Date.now() - startTime) / 1000; // 秒
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const speed = uploadedSize / elapsedTime;
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const remainingSize = totalSize - uploadedSize;
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const estimatedRemainingTime = speed > 0 ? remainingSize / speed : 0;
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progressBar.style.width = percentComplete + '%';
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progressPercentage.textContent = percentComplete.toFixed(2) + '%';
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uploadSpeed.textContent = `速度: ${formatSize(speed)}/s`;
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uploadSize.textContent = `${formatSize(uploadedSize)} / ${formatSize(totalSize)}`;
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uploadTime.textContent = `剩余时间: ${formatTime(estimatedRemainingTime)}`;
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};
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// 模拟进度更新
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const progressInterval = setInterval(() => {
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if (uploadedSize < totalSize) {
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updateProgress(totalSize / 100); // 每次更新1%的进度
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}
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}, 200);
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// 实际上传
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const uploadResponse = await fetch(data.url, {
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method: 'PUT',
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body: file,
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headers: {
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'Content-Type': data.content_type
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}
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});
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clearInterval(progressInterval);
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if (!uploadResponse.ok) {
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throw new Error(`Upload failed: ${uploadResponse.statusText}`);
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}
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// 确保进度达到100%
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updateProgress(totalSize - uploadedSize);
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statusDiv.textContent = '文件上传成功';
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alert('文件上传成功');
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} catch (error) {
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console.error('错误:', error);
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statusDiv.textContent = `错误: ${error.message}`;
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alert('发生错误: ' + error.message);
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}
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});
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function formatSize(bytes) {
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if (bytes === 0) return '0 Bytes';
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const k = 1024;
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const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
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const i = Math.floor(Math.log(bytes) / Math.log(k));
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return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
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}
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function formatTime(seconds) {
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if (isNaN(seconds) || !isFinite(seconds)) {
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return '计算中';
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}
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if (seconds < 60) return Math.round(seconds) + ' 秒';
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const minutes = Math.floor(seconds / 60);
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const remainingSeconds = Math.round(seconds % 60);
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return `${minutes} 分 ${remainingSeconds} 秒`;
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}
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// 添加文件名显示功能
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document.getElementById('file').addEventListener('change', function(e) {
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const fileName = e.target.files[0] ? e.target.files[0].name : '未选择文件';
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document.getElementById('file-name').textContent = fileName;
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});
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</script>
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</body>
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</html>
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