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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>File Uploader</title> |
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<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css" rel="stylesheet"> |
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<style> |
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body { |
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padding-top: 40px; |
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padding-bottom: 40px; |
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background-color: #f5f5f5; |
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} |
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.container { |
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max-width: 600px; |
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} |
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.upload-form { |
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background-color: #fff; |
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padding: 30px; |
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border-radius: 8px; |
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box-shadow: 0 0 10px rgba(0,0,0,0.1); |
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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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#uploadInfo { |
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margin-top: 10px; |
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font-size: 0.9em; |
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} |
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#downloadLinkContainer { |
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margin-top: 20px; |
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display: none; |
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} |
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.loader { |
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border: 5px solid #f3f3f3; |
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border-top: 5px solid #3498db; |
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border-radius: 50%; |
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width: 30px; |
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height: 30px; |
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animation: spin 1s linear infinite; |
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display: none; |
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margin: 10px auto; |
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} |
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@keyframes spin { |
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0% { transform: rotate(0deg); } |
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100% { transform: rotate(360deg); } |
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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="upload-form"> |
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<h2 class="text-center mb-4">Upload a File</h2> |
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<form id="uploadForm" enctype="multipart/form-data"> |
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<div class="mb-3"> |
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<label for="fileInput" class="form-label">Choose file</label> |
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<input class="form-control" type="file" id="fileInput" name="file" required> |
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</div> |
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<button type="submit" class="btn btn-primary w-100">Upload</button> |
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</form> |
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<div class="loader" id="loader"></div> |
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<div class="progress-container" id="progressContainer"> |
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<div class="progress"> |
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<div id="progressBar" class="progress-bar progress-bar-striped progress-bar-animated" role="progressbar" style="width: 0%;" aria-valuenow="0" aria-valuemin="0" aria-valuemax="100">0%</div> |
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</div> |
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<div id="uploadInfo" class="text-muted"></div> |
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</div> |
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<div id="downloadLinkContainer" class="alert alert-success" role="alert"> |
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<strong>Success!</strong> File uploaded. <br> |
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Download link: <a href="#" id="downloadLink" target="_blank"></a> |
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</div> |
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<div id="errorContainer" class="alert alert-danger mt-3" role="alert" style="display: none;"> |
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<strong>Error:</strong> <span id="errorMessage"></span> |
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</div> |
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</div> |
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</div> |
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<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/js/bootstrap.bundle.min.js"></script> |
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<script> |
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const uploadForm = document.getElementById('uploadForm'); |
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const fileInput = document.getElementById('fileInput'); |
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const loader = document.getElementById('loader'); |
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const progressContainer = document.getElementById('progressContainer'); |
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const progressBar = document.getElementById('progressBar'); |
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const uploadInfo = document.getElementById('uploadInfo'); |
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const downloadLinkContainer = document.getElementById('downloadLinkContainer'); |
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const downloadLink = document.getElementById('downloadLink'); |
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const errorContainer = document.getElementById('errorContainer'); |
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const errorMessage = document.getElementById('errorMessage'); |
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let startTime; |
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uploadForm.addEventListener('submit', async function(event) { |
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event.preventDefault(); |
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const file = fileInput.files[0]; |
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if (!file) { |
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alert('Please select a file to upload.'); |
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return; |
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} |
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const formData = new FormData(); |
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formData.append('file', file); |
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loader.style.display = 'block'; |
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progressContainer.style.display = 'block'; |
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progressBar.style.width = '0%'; |
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progressBar.textContent = '0%'; |
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uploadInfo.textContent = 'Starting upload...'; |
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downloadLinkContainer.style.display = 'none'; |
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errorContainer.style.display = 'none'; |
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startTime = Date.now(); |
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const xhr = new XMLHttpRequest(); |
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xhr.open('POST', '/upload/', true); |
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xhr.upload.onprogress = function(event) { |
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if (event.lengthComputable) { |
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const percentComplete = Math.round((event.loaded / event.total) * 100); |
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progressBar.style.width = percentComplete + '%'; |
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progressBar.textContent = percentComplete + '%'; |
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const elapsedTime = (Date.now() - startTime) / 1000; |
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const speed = event.loaded / elapsedTime; |
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const speedMbps = (speed * 8 / 1000000).toFixed(2); |
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uploadInfo.textContent = `Uploaded ${formatBytes(event.loaded)} of ${formatBytes(event.total)} (${percentComplete}%) at ${speedMbps} Mbps`; |
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} |
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}; |
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xhr.onload = function() { |
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loader.style.display = 'none'; |
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if (xhr.status === 200) { |
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const response = JSON.parse(xhr.responseText); |
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uploadInfo.textContent = 'Upload complete!'; |
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progressBar.classList.remove('progress-bar-animated'); |
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progressBar.classList.add('bg-success'); |
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downloadLink.href = response.download_url; |
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downloadLink.textContent = response.filename; |
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downloadLinkContainer.style.display = 'block'; |
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} else { |
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progressBar.classList.remove('progress-bar-animated'); |
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progressBar.classList.add('bg-danger'); |
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try { |
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const errorResponse = JSON.parse(xhr.responseText); |
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errorMessage.textContent = errorResponse.detail || `Server error: ${xhr.status}`; |
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} catch (e) { |
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errorMessage.textContent = `Server error: ${xhr.status} - ${xhr.statusText}`; |
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} |
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errorContainer.style.display = 'block'; |
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uploadInfo.textContent = 'Upload failed.'; |
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} |
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}; |
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xhr.onerror = function() { |
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loader.style.display = 'none'; |
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progressBar.classList.remove('progress-bar-animated'); |
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progressBar.classList.add('bg-danger'); |
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errorMessage.textContent = 'Network error or server unavailable.'; |
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errorContainer.style.display = 'block'; |
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uploadInfo.textContent = 'Upload failed.'; |
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}; |
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xhr.send(formData); |
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}); |
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function formatBytes(bytes, decimals = 2) { |
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if (bytes === 0) return '0 Bytes'; |
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const k = 1024; |
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const dm = decimals < 0 ? 0 : decimals; |
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const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB']; |
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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(dm)) + ' ' + sizes[i]; |
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} |
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</script> |
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</body> |
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</html> |
