php 在线解压程序
此功能包含两个文件、压缩成zip格式的myzip.php文件和解压zip格式文件的unzip.php文件。
Myzip.php的源码如下：
<?php
//验证密码
$password = "123";
?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html" charset="utf-8">
<title>ZIP压缩程序</title>
<style type="text/css">
<!--
body,td{
font-size: 14px;
color: #000000;
}
a {
color: #000066;
text-decoration: none;
}
a:hover {
color: #FF6600;
text-decoration: underline;
}
-->
</style>
</head>
<body>
<form name="myform" method="post" action="myzip.php">
<font color="#FF0000">在线压缩zip程序</font><br>
<div style="color:#FF9900">
<p>使用方法:选定要压缩的文件或目录（包含子目录），即可开始压缩。</p>
<p>压缩的结果保留原来的目录结构。</p>
</div>
<?php
if (!$_REQUEST["myaction"]):
?>
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="11%">验证密码: </td>
<td width="89%"><input name="password" type="password" id="password" size="15"></td>
</tr>
<tr>
<td><input name="myaction" type="hidden" id="myaction" value="dolist"></td>
<td><input type="submit" name="Submit" value=" 进 入 "></td>
</tr>
</table>
<?php
elseif ($_REQUEST["myaction"] == "dolist"):
if ($_REQUEST['password'] != $password) die("输入的密码不正确，请重新输入。");
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 "文件: $file<br>";
} else {
echo "目录: $file<br>";
}
}
?>
<br>
压缩文件保存到目录:
<input name="todir" type="text" id="todir" value="_zipfiles_" size="15">
(留空为本目录,必须有写入权限)<br>
压缩文件名称:
<input name="zipname" type="text" id="zipname" value="zip.zip" size="15">
(.zip)<br>
<br>
<input name="password" type="hidden" id="password" value="<?php echo $_POST['password']; ?>">
<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];
if(thiselm.name.match(/dfile\[]/)) thiselm.checked = !thiselm.checked;
}
}
}
</script>
<?php
elseif ($_REQUEST["myaction"] == "dozip"):
// 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 $dirstr = '';
/*
返回文件的修改时间格式.
只为本类内部函数调用.
*/
function unix2DosTime($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 = 'shenbin.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] = "shenbin.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; $key < count($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])) {
$faisunZIP = new PHPzip;
if ($faisunZIP->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)) {
echo "文件: $file<br>";
} else {
echo "目录: $file<br>";
}
$filenum+= listfiles($file);
}
$faisunZIP->createfile();
echo "<br>压缩完成,共添加 $filenum 个文件.<br><a href='$_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>";
}
} else {
echo "没有选择的文件或目录.<br>";
}
endif;
?>
</form>
</body>
</html>Unzip.php解压缩zip格式的源码如下：
<?php
//验证密码
$password = "123";
?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>在线ZIP解压程序</title>
<style type="text/css">
<!--
body,td{
font-size: 14px;
color: #000000;
}
a {
color: #000066;
text-decoration: none;
}
a:hover {
color: #FF6600;
text-decoration: underline;
}
-->
</style>
</head>
<body>
<form name="myform" method="post" action="<?php echo $_SERVER[PHP_SELF]; ?>" enctype="multipart/form-data" onSubmit="return check_uploadObject(this);">
<?php
if (!$_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">在线解压ZIP文件程序</font></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>
<?php
$fdir = opendir('./');
while ($file = readdir($fdir)) {
if (!is_file($file)) continue;
if (preg_match('/\.zip$/mis', $file)) {
echo "<option value='$file'>$file</option>\r\n";
}
}
?>
</select></td>
</tr>
<tr>
<td width="11%" nowrap>或上传文件: </td>
<td width="89%"><input name="upfile" type="file" id="upfile" size="20"></td>
</tr>
<tr>
<td>解压到目录: </td>
<td><input name="todir" type="text" id="todir" value="__unzipfiles__" size="15">
(留空为本目录,必须有写入权限)</td>
</tr>
<tr>
<td>验证密码: </td>
<td><input name="password" type="password" id="password" size="15">
(源文件中设定的密码)</td>
</tr>
<tr>
<td><input name="myaction" type="hidden" id="myaction" value="dounzip"></td>
<td><input type="submit" name="Submit" value=" 解 压 "></td>
</tr>
</table>
<?php
elseif ($_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 {
$fp = @fopen($to . $header['filename'] . '.gz', 'wb');
if (!$fp) return (-1);
$binary_data = pack('va1a1Va1a1', 0x8b1f, Chr($header['compression']) , Chr(0x00) , time() , Chr(0x00) , Chr(3));
fwrite($fp, $binary_data, 10);
$size = $header['compressed_size'];
while ($size != 0) {
$read_size = ($size < 1024 ? $size : 1024);
$buffer = fread($zip, $read_size);
$binary_data = pack('a' . $read_size, $buffer);
@fwrite($fp, $binary_data, $read_size);
$size-= $read_size;
}
$binary_data = pack('VV', $header['crc'], $header['size']);
fwrite($fp, $binary_data, 8);
fclose($fp);
$gzp = @gzopen($to . $header['filename'] . '.gz', 'rb') or die("Cette archive est compress閑");
if (!$gzp) return (-2);
$fp = @fopen($to . $header['filename'], 'wb');
if (!$fp) return (-1);
$size = $header['size'];
while ($size != 0) {
$read_size = ($size < 2048 ? $size : 2048);
$buffer = gzread($gzp, $read_size);
$binary_data = pack('a' . $read_size, $buffer);
@fwrite($fp, $binary_data, $read_size);
$size-= $read_size;
}
fclose($fp);
gzclose($gzp);
touch($to . $header['filename'], $header['mtime']);
@unlink($to . $header['filename'] . '.gz');
}
}
$this->total_files++;
echo "<input name='dfile[]' type='checkbox' value='$to$header[filename]' checked> <a href='$to$header[filename]' target='_blank'>文件: $to$header[filename]</a><br>";
return true;
}
// end class
}
set_time_limit(0);
if ($_POST['password'] != $password) die("输入的密码不正确，请重新输入。");
if (!$_POST["todir"]) $_POST["todir"] = ".";
$z = new Zip;
$have_zip_file = 0;
function start_unzip($tmp_name, $new_name, $checked) {
global $_POST, $z, $have_zip_file;
$upfile = array(
"tmp_name" => $tmp_name,
"name" => $new_name
);
if (is_file($upfile[tmp_name])) {
$have_zip_file = 1;
echo "<br>正在解压: <input name='dfile[]' type='checkbox' value='$upfile[name]' " . ($checked ? "checked" : "") . "> $upfile[name]<br><br>";
if (preg_match('/\.zip$/mis', $upfile[name])) {
$result = $z->Extract($upfile[tmp_name], $_POST["todir"]);
if ($result == - 1) {
echo "<br>文件 $upfile[name] 错误.<br>";
}
echo "<br>完成,共建立 $z->total_folders 个目录,$z->total_files 个文件.<br><br><br>";
} else {
echo "<br>$upfile[name] 不是 zip 文件.<br><br>";
}
if (realpath($upfile[name]) != realpath($upfile[tmp_name])) {
@unlink($upfile[name]);
rename($upfile[tmp_name], $upfile[name]);
}
}
}
clearstatcac永久链接：http://www.phprm.com/code/33134.html
转载随意！带上文章地址吧。