faisun_zip -在线压缩ZIP文件程序 V1.0

转载请注明:本程序由 好啊163教学网 提供,IDC886 好啊163教学网论坛 收集!

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。

解压的结果保留原来的目录结构。★ 用RAR软件必需使用 ZIP格式压缩 ★


http://www.haoa163.cn 好啊163教学网

验证密码: (源文件中设定的密码,默为密码为 123456,为安全,请修改此密码,或是用完后删除此程序)
"; $fdir = opendir('./'); while($file=readdir($fdir)){ if($file=='.'|| $file=='..') continue; echo " "; if(is_file($file)){ echo "文件: $file
"; }else{ echo "目录: $file
"; } } ?>
压缩文件保存到目录: (留空为本目录,必须有写入权限)
压缩文件名称: (.zip)

> 1); } /* 初始化文件,建立文件目录, 并返回文件的写入权限. */ function startfile($path = 'faisun.zip'){ $this->gzfilename=$path; $mypathdir=array(); do{ $mypathdir[] = $path = dirname($path); }while($path != '.'); @end($mypathdir); do{ $path = @current($mypathdir); @mkdir($path); }while(@prev($mypathdir)); if($this->fp=@fopen($this->gzfilename,"w")){ return true; } return false; } /* 添加一个文件到 zip 压缩包中. */ function addfile($data, $name){ $name = str_replace('\\', '/', $name); if(strrchr($name,'/')=='/') return $this->adddir($name); $dtime = dechex($this->unix2DosTime()); $hexdtime = '\x' . $dtime[6] . $dtime[7] . '\x' . $dtime[4] . $dtime[5] . '\x' . $dtime[2] . $dtime[3] . '\x' . $dtime[0] . $dtime[1]; eval('$hexdtime = "' . $hexdtime . '";'); $unc_len = strlen($data); $crc = crc32($data); $zdata = gzcompress($data); $c_len = strlen($zdata); $zdata = substr(substr($zdata, 0, strlen($zdata) - 4), 2); //新添文件内容格式化: $datastr = "\x50\x4b\x03\x04"; $datastr .= "\x14\x00"; // ver needed to extract $datastr .= "\x00\x00"; // gen purpose bit flag $datastr .= "\x08\x00"; // compression method $datastr .= $hexdtime; // last mod time and date $datastr .= pack('V', $crc); // crc32 $datastr .= pack('V', $c_len); // compressed filesize $datastr .= pack('V', $unc_len); // uncompressed filesize $datastr .= pack('v', strlen($name)); // length of filename $datastr .= pack('v', 0); // extra field length $datastr .= $name; $datastr .= $zdata; $datastr .= pack('V', $crc); // crc32 $datastr .= pack('V', $c_len); // compressed filesize $datastr .= pack('V', $unc_len); // uncompressed filesize fwrite($this->fp,$datastr); //写入新的文件内容 $my_datastr_len = strlen($datastr); unset($datastr); //新添文件目录信息 $dirstr = "\x50\x4b\x01\x02"; $dirstr .= "\x00\x00"; // version made by $dirstr .= "\x14\x00"; // version needed to extract $dirstr .= "\x00\x00"; // gen purpose bit flag $dirstr .= "\x08\x00"; // compression method $dirstr .= $hexdtime; // last mod time & date $dirstr .= pack('V', $crc); // crc32 $dirstr .= pack('V', $c_len); // compressed filesize $dirstr .= pack('V', $unc_len); // uncompressed filesize $dirstr .= pack('v', strlen($name) ); // length of filename $dirstr .= pack('v', 0 ); // extra field length $dirstr .= pack('v', 0 ); // file comment length $dirstr .= pack('v', 0 ); // disk number start $dirstr .= pack('v', 0 ); // internal file attributes $dirstr .= pack('V', 32 ); // external file attributes - 'archive' bit set $dirstr .= pack('V',$this->datastr_len ); // relative offset of local header $dirstr .= $name; $this->dirstr .= $dirstr; //目录信息 $this -> file_count ++; $this -> dirstr_len += strlen($dirstr); $this -> datastr_len += $my_datastr_len; } function adddir($name){ $name = str_replace("\\", "/", $name); $datastr = "\x50\x4b\x03\x04\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00"; $datastr .= pack("V",0).pack("V",0).pack("V",0).pack("v", strlen($name) ); $datastr .= pack("v", 0 ).$name.pack("V", 0).pack("V", 0).pack("V", 0); fwrite($this->fp,$datastr); //写入新的文件内容 $my_datastr_len = strlen($datastr); unset($datastr); $dirstr = "\x50\x4b\x01\x02\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00"; $dirstr .= pack("V",0).pack("V",0).pack("V",0).pack("v", strlen($name) ); $dirstr .= pack("v", 0 ).pack("v", 0 ).pack("v", 0 ).pack("v", 0 ); $dirstr .= pack("V", 16 ).pack("V",$this->datastr_len).$name; $this->dirstr .= $dirstr; //目录信息 $this -> file_count ++; $this -> dirstr_len += strlen($dirstr); $this -> datastr_len += $my_datastr_len; } function createfile(){ //压缩包结束信息,包括文件总数,目录信息读取指针位置等信息 $endstr = "\x50\x4b\x05\x06\x00\x00\x00\x00" . pack('v', $this -> file_count) . pack('v', $this -> file_count) . pack('V', $this -> dirstr_len) . pack('V', $this -> datastr_len) . "\x00\x00"; fwrite($this->fp,$this->dirstr.$endstr); fclose($this->fp); } } if(!trim($_REQUEST[zipname])) $_REQUEST[zipname] = "faisunzip.zip"; else $_REQUEST[zipname] = trim($_REQUEST[zipname]); if(!strrchr(strtolower($_REQUEST[zipname]),'.')=='.zip') $_REQUEST[zipname] .= ".zip"; $_REQUEST[todir] = str_replace('\\','/',trim($_REQUEST[todir])); if(!strrchr(strtolower($_REQUEST[todir]),'/')=='/') $_REQUEST[todir] .= "/"; if($_REQUEST[todir]=="/") $_REQUEST[todir] = "./"; function listfiles($dir="."){ global $faisunZIP; $sub_file_num = 0; if(is_file("$dir")){ if(realpath($faisunZIP ->gzfilename)!=realpath("$dir")){ $faisunZIP -> addfile(implode('',file("$dir")),"$dir"); return 1; } return 0; } $handle=opendir("$dir"); while ($file = readdir($handle)) { if($file=="."||$file=="..")continue; if(is_dir("$dir/$file")){ $sub_file_num += listfiles("$dir/$file"); } else { if(realpath($faisunZIP ->gzfilename)!=realpath("$dir/$file")){ $faisunZIP -> addfile(implode('',file("$dir/$file")),"$dir/$file"); $sub_file_num ++; } } } closedir($handle); if(!$sub_file_num) $faisunZIP -> addfile("","$dir/"); return $sub_file_num; } function num_bitunit($num){ $bitunit=array(' B',' KB',' MB',' GB'); for($key=0;$key=pow(2,10*$key)-1){ //1023B 会显示为 1KB $num_bitunit_str=(ceil($num/pow(2,10*$key)*100)/100)." $bitunit[$key]"; } } return $num_bitunit_str; } if(is_array($_REQUEST[dfile])){ $faisunZIP = new PHPzip; if($faisunZIP -> startfile("$_REQUEST[todir]$_REQUEST[zipname]")){ echo "正在添加压缩文件...

"; $filenum = 0; foreach($_REQUEST[dfile] as $file){ if(is_file($file)){ echo "文件: $file
"; }else{ echo "目录: $file
"; } $filenum += listfiles($file); } $faisunZIP -> createfile(); echo "
压缩完成,共添加 $filenum 个文件.
$_REQUEST[todir]$_REQUEST[zipname] (".num_bitunit(filesize("$_REQUEST[todir]$_REQUEST[zipname]")).")"; }else{ echo "$_REQUEST[todir]$_REQUEST[zipname] 不能写入,请检查路径或权限是否正确.
"; } }else{ echo "没有选择的文件或目录.
"; } endif; ?>