php支援多線程下載的例子

header("Cache-Control: public"); header("Accept-Ranges: bytes"); $file = "a.7z"; $filename = "a.7z"; $size=filesize($file); $size1=$size-1; //獲得位元組範圍 if(isset($_SERVER['HTTP_RANGE'])) { list($name, $range) = explode("=",$_SERVER['HTTP_RANGE']); $length=$size1-$range; header("HTTP/1.1 206 Partial Content"); //http協議頭狀態代碼,表示以部分內容傳輸 header("Content-Range: bytes ".$range."-".$size1."/".$size); }else{ $length = $size; } header("Content-Length: $length"); header("Content-Type: application/octet-stream"); header("Content-Disposition: attachment; filename=".$filename); $fp=fopen($file,"rb"); //設定檔案指標位置 fseek($fp,$range); while(!feof($fp)){ set_time_limit(0); echo fread($fp,1024); flush(); ob_flush(); } fclose($fp); exit; ?> 複製代碼

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