php网站程序备份源码下载
发布时间：2022-02-15 19:28:25 所属栏目：PHP教程 来源：互联网
导读：这是一款关于网站目录备份的php教程网站备份程序了,他可以对你能操作权限的目录进行打包生成rar压缩文件,希望有需要的朋友下载看看,实例代码如下: html head meta http-equiv=Content-Type content=text/html; charset=gb2312 title网站程序备份/title /he
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这是一款关于网站目录备份的php教程网站备份程序了,他可以对你能操作权限的目录进行打包生成rar压缩文件,希望有需要的朋友下载看看,实例代码如下: <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>网站程序备份</title> </head> <body> <form name="myform" method="post" action=""> <?php error_reporting(E_ALL & ~E_NOTICE); ini_set('memory_limit', '2048M'); echo "选择要压缩的文件或目录：<br>"; $fdir = opendir('./'); while($file=readdir($fdir)) { if($file=='.'|| $file=='..') continue; echo "<input name='dfile[]' type='checkbox' value='$file' ".($file==basename(__FILE__)?"":"checked")."> "; if(is_file($file)) { echo "<font face="wingdings" size="5">2</font> $file<br>"; } else { echo "<font face="wingdings" size="5">0</font> $file<br>"; } } ?> <br> 包含下列文件类型: <input name="file_type" type="text" id="file_type" value="" size="50"> <font color="red"> (文件类型用"|"隔开,默认空则包含任意文件,例:如果需要打包php和jpg文件,则输入"php|jpg") </font> <br> 压缩文件保存到目录: <input name="todir" type="text" id="todir" value="__dwb2011__" size="15"> <font color="red"> (留空为本目录,必须有写入权限) </font> <br> 压缩文件名称: <input name="zipname" type="text" id="zipname" value="dwb2011.zip" size="15"> <font color="red"> (.zip) </font> <br> <br> <input name="myaction" type="hidden" id="myaction" value="dozip"> <input type='button' value='反选' onclick='selrev();'> <input type="submit" name="Submit" value=" 开始压缩 "> <script language='网页特效'> function selrev() { with(document.myform) { for(i=0;i<elements.length;i++) { thiselm = elements[i]; if(thiselm.name.match(/dfile[]/)) thiselm.checked = !thiselm.checked; } } } </script> <?php error_reporting(E_ALL & ~E_NOTICE); set_time_limit(0); class PHPzip { var $file_count = 0 ; var $datastr_len = 0; var $dirstr_len = 0; var $filedata = ''; //该变量只被类外部程序访问 var $gzfilename; var $fp; var $dirstr=''; var $filefilters = array(); function SetFileFilter($filetype) { $this->filefilters = explode('|',$filetype); } //返回文件的修改时间格式. //只为本类内部函数调用. function unix2DosTime($unixtime = 0) { $timearray = ($unixtime == 0) ? getdate() : getdate($unixtime); if ($timearray['year'] < 1980) { $timearray['year'] = 1980; $timearray['mon'] = 1; $timearray['mday'] = 1; $timearray['hours'] = 0; $timearray['minutes'] = 0; $timearray['seconds'] = 0; } return (($timearray['year'] - 1980) << 25) | ($timearray['mon'] << 21) | ($timearray['mday'] << 16) | ($timearray['hours'] << 11) | ($timearray['minutes'] << 5) | ($timearray['seconds'] >> 1); } //初始化文件,建立文件目录, //并返回文件的写入权限. function startfile($path = 'dodo.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); if(!emptyempty($this->filefilters)) { if (!in_array(end(explode(".",$name)), $this->filefilters)) { return; } } $dtime = dechex($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 = "x50x4bx03x04"; $datastr .= "x14x00"; // ver needed to extract $datastr .= "x00x00"; // gen purpose bit flag $datastr .= "x08x00"; // 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 = "x50x4bx01x02"; $dirstr .= "x00x00"; // version made by $dirstr .= "x14x00"; // version needed to extract $dirstr .= "x00x00"; // gen purpose bit flag $dirstr .= "x08x00"; // 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 = "x50x4bx03x04x0ax00x00x00x00x00x00x00x00x00"; $datastr .= pack("V",0).pack("V",0).pack("V",0).pack("v", strlen($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 = "x50x4bx01x02x00x00x0ax00x00x00x00x00x00x00x00x00"; $dirstr .= pack("V",0).pack("V",0).pack("V",0).pack("v", strlen($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 = "x50x4bx05x06x00x00x00x00" . pack('v', $this -> file_count) . pack('v', $this -> file_count) . pack('V', $this -> dirstr_len) . pack('V', $this -> datastr_len) . "x00x00"; fwrite($this->fp,$this->dirstr.$endstr); fclose($this->fp); } } if(!trim($_REQUEST[zipname])) $_REQUEST[zipname] = "dodozip.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 $dodozip; $sub_file_num = 0; if(is_file("$dir")) { if(realpath($dodozip ->gzfilename)!=realpath("$dir")) { $dodozip -> addfile(implode('',file("$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/$file"); } else { if(realpath($dodozip ->gzfilename)!=realpath("$dir/$file")) { $dodozip -> addfile(implode('',file("$dir/$file")),"$dir/$file"); $sub_file_num ++; } } } closedir($handle); if(!$sub_file_num) $dodozip -> addfile("","$dir/"); return $sub_file_num; } function num_bitunit($num) { $bitunit=array(' B',' KB',' MB',' GB'); for($key=0;$key<count($bitunit);$key++) { if($num>=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])) { $dodozip = new PHPzip; if($_REQUEST["file_type"] != NULL) $dodozip -> SetFileFilter($_REQUEST["file_type"]); if($dodozip -> startfile("$_REQUEST[todir]$_REQUEST[zipname]")) { echo "正在添加压缩文件...<br><br>"; $filenum = 0; foreach($_REQUEST[dfile] as $file) { if(is_file($file)) { if(!emptyempty($dodozip -> filefilters)) if (!in_array(end(explode(".",$file)), $dodozip -> filefilters)) continue; echo "<font face="wingdings" size="5">2</font> $file<br>"; } else { echo "<font face="wingdings" size="5">0</font> $file<br>"; } $filenum += listfiles($file); } $dodozip -> createfile(); echo "<br>压缩完成,共添加 $filenum 个文件.<br><a href='$_REQUEST[todir]$_REQUEST[zipname]' _fcksavedurl='$_REQUEST[todir]$_REQUEST[zipname]'>$_REQUEST[todir]$_REQUEST[zipname] (".num_bitunit(filesize("$_REQUEST[todir]$_REQUEST[zipname]")).")</a>"; } //开源代码Cuoxin.com else { echo "$_REQUEST[todir]$_REQUEST[zipname] 不能写入,请检查路径或权限是否正确.<br>"; } } ?> </form> </body> </html> （编辑：温州站长网） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |
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