PHP文件数据类网站实例开发源码——映阳网络在线压缩解压ZIP文件程序.zip资源-CSDN文库

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PHP文件数据类网站实例开发源码——映阳网络在线压缩解压ZIP文件程序.zip （2个子文件）

[文件数据]映阳网络在线压缩解压ZIP文件程序_phpzip

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zip.php 10KB

unzip.php 12KB

<?php //验证密码 $password = "admin"; ?> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>映阳网络在线ZIP解压程序</title> <style type="text/css">  </style> </head> <body> <form name="myform" method="post" action="<?=$_SERVER[PHP_SELF];?>" enctype="multipart/form-data" onSubmit="return check_uploadObject(this);"> <? if(!$_REQUEST["myaction"]): ?> <script language="javascript"> function check_uploadObject(form){ if(form.password.value==''){ alert('请输入密码.'); return false; } return true; } </script> <table width="100%" border="0" cellspacing="0" cellpadding="4"> <tr> <td height="40" colspan="2" style="color:#FF9900"><p><font color="#FF0000">映阳网络在线解压ZIP文件程序</font></p> <p>作者：申斌 E-Mail:sb33c3@yahoo.com.cn QQ:84913895</p> <p>使用方法:把zip文件通过FTP上传到本文件相同的目录下,选择zip文件;或直接点击“浏览...”上传zip文件。</p> <p>解压的结果保留原来的目录结构。</p> <p> </p></td> </tr> <tr> <td width="11%">选择ZIP文件: </td> <td width="89%"><select name="zipfile"> <option value="" selected>- 请选择 -</option> <? $fdir = opendir('./'); while($file=readdir($fdir)){ if(!is_file($file)) continue; if(preg_match('/\.zip$/mis',$file)){ echo "<option value='$file'>$file</option>\r\n"; } } ?> </select></td> </tr> <tr> <td width="11%" nowrap>或上传文件: </td> <td width="89%"><input name="upfile" type="file" id="upfile" size="20"></td> </tr> <tr> <td>解压到目录: </td> <td><input name="todir" type="text" id="todir" value="__unzipfiles__" size="15"> (留空为本目录,必须有写入权限)</td> </tr> <tr> <td>验证密码: </td> <td><input name="password" type="password" id="password" size="15"> (源文件中设定的密码)</td> </tr> <tr> <td><input name="myaction" type="hidden" id="myaction" value="dounzip"></td> <td><input type="submit" name="Submit" value=" 解压 "></td> </tr> </table> <? elseif($_REQUEST["myaction"]=="dounzip"): class zip { var $total_files = 0; var $total_folders = 0; function Extract ( $zn, $to, $index = Array(-1) ) { $ok = 0; $zip = @fopen($zn,'rb'); if(!$zip) return(-1); $cdir = $this->ReadCentralDir($zip,$zn); $pos_entry = $cdir['offset']; if(!is_array($index)){ $index = array($index); } for($i=0; $index[$i];$i++){ if(intval($index[$i])!=$index[$i]||$index[$i]>$cdir['entries']) return(-1); } for ($i=0; $i<$cdir['entries']; $i++) { @fseek($zip, $pos_entry); $header = $this->ReadCentralFileHeaders($zip); $header['index'] = $i; $pos_entry = ftell($zip); @rewind($zip); fseek($zip, $header['offset']); if(in_array("-1",$index)||in_array($i,$index)) $stat[$header['filename']]=$this->ExtractFile($header, $to, $zip); } fclose($zip); return $stat; } function ReadFileHeader($zip) { $binary_data = fread($zip, 30); $data = unpack('vchk/vid/vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len', $binary_data); $header['filename'] = fread($zip, $data['filename_len']); if ($data['extra_len'] != 0) { $header['extra'] = fread($zip, $data['extra_len']); } else { $header['extra'] = ''; } $header['compression'] = $data['compression'];$header['size'] = $data['size']; $header['compressed_size'] = $data['compressed_size']; $header['crc'] = $data['crc']; $header['flag'] = $data['flag']; $header['mdate'] = $data['mdate'];$header['mtime'] = $data['mtime']; if ($header['mdate'] && $header['mtime']){ $hour=($header['mtime']&0xF800)>>11;$minute=($header['mtime']&0x07E0)>>5; $seconde=($header['mtime']&0x001F)*2;$year=(($header['mdate']&0xFE00)>>9)+1980; $month=($header['mdate']&0x01E0)>>5;$day=$header['mdate']&0x001F; $header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year); }else{$header['mtime'] = time();} $header['stored_filename'] = $header['filename']; $header['status'] = "ok"; return $header; } function ReadCentralFileHeaders($zip){ $binary_data = fread($zip, 46); $header = unpack('vchkid/vid/vversion/vversion_extracted/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len/vcomment_len/vdisk/vinternal/Vexternal/Voffset', $binary_data); if ($header['filename_len'] != 0) $header['filename'] = fread($zip,$header['filename_len']); else $header['filename'] = ''; if ($header['extra_len'] != 0) $header['extra'] = fread($zip, $header['extra_len']); else $header['extra'] = ''; if ($header['comment_len'] != 0) $header['comment'] = fread($zip, $header['comment_len']); else $header['comment'] = ''; if ($header['mdate'] && $header['mtime']) { $hour = ($header['mtime'] & 0xF800) >> 11; $minute = ($header['mtime'] & 0x07E0) >> 5; $seconde = ($header['mtime'] & 0x001F)*2; $year = (($header['mdate'] & 0xFE00) >> 9) + 1980; $month = ($header['mdate'] & 0x01E0) >> 5; $day = $header['mdate'] & 0x001F; $header['mtime'] = mktime($hour, $minute, $seconde, $month, $day, $year); } else { $header['mtime'] = time(); } $header['stored_filename'] = $header['filename']; $header['status'] = 'ok'; if (substr($header['filename'], -1) == '/') $header['external'] = 0x41FF0010; return $header; } function ReadCentralDir($zip,$zip_name){ $size = filesize($zip_name); if ($size < 277) $maximum_size = $size; else $maximum_size=277; @fseek($zip, $size-$maximum_size); $pos = ftell($zip); $bytes = 0x00000000; while ($pos < $size){ $byte = @fread($zip, 1); $bytes=($bytes << 8) | ord($byte); if ($bytes == 0x504b0506 or $bytes == 0x2e706870504b0506){ $pos++;break;} $pos++; } $fdata=fread($zip,18); $data=@unpack('vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size',$fdata); if ($data['comment_size'] != 0) $centd['comment'] = fread($zip, $data['comment_size']); else $centd['comment'] = ''; $centd['entries'] = $data['entries']; $centd['disk_entries'] = $data['disk_entries']; $centd['offset'] = $data['offset'];$centd['disk_start'] = $data['disk_start']; $centd['size'] = $data['size']; $centd['disk'] = $data['disk']; return $centd; } function ExtractFile($header,$to,$zip){ $header = $this->readfileheader($zip); if(substr($to,-1)!="/") $to.="/"; if($to=='./') $to = ''; $pth = explode("/",$to.$header['filename']); $mydir = ''; for($i=0;$i<count($pth)-1;$i++){ if(!$pth[$i]) continue; $mydir .= $pth[$i]."/"; if((!is_dir($mydir) && @mkdir($mydir,0777)) || (($mydir==$to.$header['filename'] || ($mydir==$to && $this->total_folders==0)) && is_dir($mydir)) ){ @chmod($mydir,0777); $this->total_folders ++; echo "<input name='dfile[]' type='checkbox' value='$mydir' checked> <a href='$mydir' target='_blank'>目录: $mydir</a><br>"; } } if(strrchr($header['filename'],'/')=='/') return; if (!($header['external']==0x41FF0010)&&!($header['external']==16)){ if ($header['compression']==0){ $fp = @fopen($to.$header['filename'], 'wb'); if(!$fp) return(-1); $size = $header['compressed_size']; while ($size != 0){ $read_size = ($size < 2048 ? $size : 2048); $buffer = fread($zip, $read_size); $binary_data = pack('a'.$read_size, $buffer); @fwrite($fp, $binary_data, $read_size); $size -= $read_size; } fclose($fp); touch($to.$header['filename'], $header['mtime']); }else{ $fp = @fopen

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