PHP网站备份程序代码分享

2018-09-07 19:11

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PHP代码
复制代码代码如下:
<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phpjpg)
</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=javascript>
function selrev()
{
with(document.myform)
{
for(i=0;i<elements.length;i++)
{
thiselm = elements[i];
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(!empty($this->filefilters))
{
if (!in_array(end(explode(.,$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 = \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] = 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(!empty($dodozip -> filefilters))
if (!in_array(end(explode(.,$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>;
}
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>