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PHP大文件下载
文件大于1GB
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | { //Big File $file = $identity . ".cleanpdb.tar.gz" ; $path = $webdatapath . "seq/" . $file ; if (! file_exists ( $path )) { echo "Sorry" . ‘<br>‘ ; echo $file . " not exist" ; return false; } header( "Content-type: " . "application/gz" ); header( ‘Content-Disposition: attachment; filename="‘ . basename ( $path )); header( "Cache-control: public" ); header( "Pragma: public" ); header( "Content-Length: " . filesize ( $path )); ob_end_clean(); $fp = fopen ( $path , ‘r‘ ); $file_size = filesize ( $path ); $buffer =1024; $cur_size =0; while (! feof ( $fp ) && $file_size > $buffer + $cur_size ) { $file_data = fread ( $fp , $buffer ); echo $file_data ; $cur_size += $buffer ; } $file_data = fread ( $fp , $file_size - $cur_size ); echo $file_data ; fclose( $fp ); } |
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