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public function upload()
{
$chunk = input('param.chunk'); // »ñÈ¡Ä¿½ñÉÏ´«µÄ·ÖƬÐòºÅ $chunks = input('param.chunks'); // »ñÈ¡·ÖƬ×ÜÊý $file = request()->file('file'); // »ñÈ¡ÉÏ´«µÄÎļþ $md5 = md5_file($file->getRealPath()); // »ñÈ¡ÉÏ´«ÎļþµÄMD5Öµ $fileName = $md5 . '_' . $chunk . '.part'; // Æ´½Ó·ÖƬÎļþÃû $file->move('./uploads/', $fileName); // ÉúÑÄ·ÖƬÎļþµ½Ð§ÀÍÆ÷ if ($chunk === $chunks - 1) { // ÈôÊÇÊÇ×îºóÒ»¸ö·ÖƬÎļþ $filePath = './uploads/' . $md5 . '_' . time() . '.mp4'; // Æ´½Ó×îÖÕÎļþÃû $fp = fopen($filePath, 'ab'); // ·¿ª×îÖÕÎļþ for ($i = 0; $i < $chunks; $i++) { // Ñ»·¶ÁÈ¡·ÖƬÎļþ²¢Ð´Èëµ½×îÖÕÎļþ $partFileName = './uploads/' . $md5 . '_' . $i . '.part'; // »ñÈ¡·ÖƬÎļþÃû $partFile = fopen($partFileName, 'rb'); fwrite($fp, fread($partFile, filesize($partFileName))); // дÈëµ½×îÖÕÎļþ fclose($partFile); // ¹Ø±Õ·ÖƬÎļþ unlink($partFileName); // ɾ³ý·ÖƬÎļþ } fclose($fp); // ¹Ø±Õ×îÖÕÎļþ return 'ÉÏ´«Íê³É'; } else { return 'ÉÏ´«ÖÐ'; }
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function uploadFile(file) {
const size = file.size; const chunkSize = 1024 * 1024; // ½«ÎļþÖ§½â³É1M¾ÞϸµÄ·ÖƬ const chunkCount = Math.ceil(size / chunkSize); // ÅÌËã·ÖƬÊýÄ¿ let currentChunk = 0; while (currentChunk < chunkCount) { const start = currentChunk * chunkSize; const end = (currentChunk + 1) * chunkSize; const blobChunk = file.slice(start, end); // »ñÈ¡Ä¿½ñ·ÖƬµÄBlob¹¤¾ß const formData = new FormData(); formData.append('chunk', currentChunk); formData.append('chunks', chunkCount); formData.append('file', blobChunk); const xhr = new XMLHttpRequest(); xhr.open('POST', '/upload', true); xhr.onload = function () { if (xhr.status !== 200) { console.error('ÎļþÉÏ´«Ê§°Ü'); return; } const responseText = xhr.responseText; console.log(responseText); if (responseText === 'ÉÏ´«Íê³É') { console.log('ÎļþÉÏ´«ÀÖ³É'); } else { console.log('ÕýÔÚÉÏ´«...'); } }; xhr.send(formData); currentChunk++; }
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public function download()
{
$filePath = './videos/big.mp4'; // ÒªÏÂÔصÄÎļþ·¾¶ $fileSize = filesize($filePath); // »ñÈ¡Îļþ¾Þϸ header('Content-Disposition: attachment; filename="big.mp4"'); // ÉèÖÃÎļþÏÂÔØÃû×Ö header('Content-Type: video/mp4'); // ÉèÖÃÎļþÀàÐÍ header('Content-Length: ' . $fileSize); // ÉèÖÃÎļþ¾Þϸ if (isset($_SERVER['HTTP_RANGE'])) { // ÈôÊÇÉèÖÃÁËHTTP_RANGE£¬ËµÃ÷ÊǶϵãÐø´«ÇëÇó header('HTTP/1.1 206 Partial Content'); list($start, $end) = explode('-', $_SERVER['HTTP_RANGE']); // »ñÈ¡ÒѾÏÂÔصÄÆðʼλÖúͿ¢ÊÂλÖà $start = max(0, intval($start)); $end = min($fileSize - 1, intval($end)); header('Content-Range: bytes ' . $start . '-' . $end . '/' . $fileSize); $length = $end - $start + 1; } else { // ²»È»ÊÇÊ×´ÎÇëÇó $start = 0; $end = $fileSize - 1; $length = $fileSize; } header('Accept-Ranges: bytes'); $fp = fopen($filePath, 'rb'); fseek($fp, $start); while (!feof($fp) && !connection_aborted() && $start <= $end) { set_time_limit(0); $buffer = fread($fp, min(1024 * 1024, $length)); // ·Ö¶Î¶ÁÈ¡ÎļþÄÚÈÝ echo $buffer; $start += strlen($buffer); $length -= strlen($buffer); flush(); // ɨ³ýÊä³ö»º´æ } fclose($fp);
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function downloadFile(url) {
const request = new XMLHttpRequest(); request.open('GET', url, true); request.onprogress = function (evt) { const progress = (evt.loaded / evt.total) * 100; console.log(`ÏÂÔؽø¶È: ${progress.toFixed(2)}%`); }; request.send();
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