php解析mht文件转换成html的实例
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php解析mht文件，使用编辑器打开可以看到base64编码所以，mht是可以转换成html的。
<?php
/**
* 针对Mht格式的文件进行解析
* 使用例子:
*
* function mhtmlParseBody($filename) {
if (file_exists ( $filename )) {
if (is_dir ( $filename )) return false;
$filename = strtolower ( $filename );
if (strpos ( $filename, '.mht', 1 ) == FALSE) return false;
$o_mhtml = new mhtml ();
$o_mhtml->set_file ( $filename );
$o_mhtml->extract ();
return $o_mhtml->get_part_to_file(0);
}
return null;
}
function mhtmlParseAll($filename) {
if (file_exists ( $filename )) {
if (is_dir ( $filename )) return false;
$filename = strtolower ( $filename );
if (strpos ( $filename, '.mht', 1 ) == FALSE) return false;
$o_mhtml = new mhtml ();
$o_mhtml->set_file ( $filename );
$o_mhtml->extract ();
return $o_mhtml->get_all_part_file();
}
return null;
}
*/
class mhtparse {
var $file = '';
var $boundary = '';
var $filedata = '';
var $countparts = 1;
var $log = '';
function extract() {
$this->read_filedata ();
$this->file_parts ();
return 1;
}
function set_file($p) {
$this->file = $p;
}
function get_log() {
return $this->log;
}
function file_parts() {
$lines = explode ( "\n", substr ( $this->filedata, 0, 8192 ) );
foreach ( $lines as $line ) {
$line = trim ( $line );
if (strpos ( $line, '=' ) !== FALSE) {
if (strpos ( $line, 'boundary', 0 ) !== FALSE) {
$range = $this->getrange ( $line, '"', '"', 0 );
$this->boundary = "--" . $range ['range'];
$this->filedata = str_replace ( $line, '', $this->filedata );
break;
}
}
}
if ($this->boundary != '') {
$this->filedata = explode ( $this->boundary, $this->filedata );
unset ( $this->filedata [0] );
$this->filedata = array_values ( $this->filedata );
$this->countparts = count ( $this->filedata );
} else {
$tmp = $this->filedata;
$this->filedata = array (
$tmp
);
}
}
function get_all_part_file() {
return $this->filedata;
}
function get_part_to_file($i) {
$line_data_start = 0;
$encoding = '';
$part_lines = explode ( "\n", ltrim ( $this->filedata [$i] ) );
foreach ( $part_lines as $line_id => $line ) {
$line = trim ( $line );
if ($line == '') {
if (trim ( $part_lines [0] ) == '--')
return 1;
$line_data_start = $line_id;
break;
}
if (strpos ( $line, ':' ) !== FALSE) {
$pos = strpos ( $line, ':' );
$k = strtolower ( trim ( substr ( $line, 0, $pos ) ) );
$v = trim ( substr ( $line, $pos + 1, strlen ( $line ) ) );
if ($k == 'content-transfer-encoding') {
$encoding = $v;
}
if ($k == 'content-location') {
$location = $v;
}
if ($k == 'content-type') {
$contenttype = $v;
}
}
}
foreach ( $part_lines as $line_id => $line ) {
if ($line_id <= $line_data_start)
$part_lines [$line_id] = '';
}
$part_lines = implode ( '', $part_lines );
if ($encoding == 'base64')
$part_lines = base64_decode ( $part_lines );
elseif ($encoding == 'quoted-printable')
$part_lines = imap_qprint ( $part_lines );
return $part_lines;
}
function read_filedata() {
$handle = fopen ( $this->file, 'r' );
$this->filedata = fread ( $handle, filesize ( $this->file ) );
fclose ( $handle );
}
function getrange(&$subject, $Beginmark_str = '{', $Endmark_str = '}', $Start_pos = 0) {
/*
* $str="sssss { x { xx } {xx{xx } x} x} sssss"; $range=string::getRange($str,'{','}',0); echo $range['range']; //tulem: " x { xx } {xx{xx } x} x" echo $range['behin']; //tulem: 6 echo $range['end']; //tulem: 30 (' ') -- l5pumärgist järgnev out: array('range'=>$Range,'begin'=>$Begin_firstOccurence_pos,'end'=>$End_sequel_pos) | false v1.1 2004-2006,Uku-Kaarel J5esaar,ukjoesaar@hot.ee,http://www.hot.ee/ukjoesaar,+3725110693
*/
if (empty ( $Beginmark_str ))
$Beginmark_str = '{';
$Beginmark_str_len = strlen ( $Beginmark_str );
if (empty ( $Endmark_str ))
$Endmark_str = '}';
$Endmark_str_len = strlen ( $Endmark_str );
/* $Start_pos_cache = 0; */
do {
/* !algus */
if (! is_int ( $Begin_firstOccurence_pos ))
$Start_pos_cache = $Start_pos;
/* ?algus-test */
$Start_pos_cache = @strpos ( $subject, $Beginmark_str, $Start_pos_cache );
/* this is possible start for range */
if (is_int ( $Start_pos_cache )) {
/* skip */
$Start_pos_cache = ($Start_pos_cache + $Beginmark_str_len);
/* test possible range start pos */
if (is_int ( $Begin_firstOccurence_pos )) {
if ($Start_pos_cache < $range_end_pos)
$rangeClean = 0;
elseif ($Start_pos_cache > $range_end_pos)
$rangeClean = 1;
}
/* here it is */
if (! is_int ( $Begin_firstOccurence_pos ))
$Begin_firstOccurence_pos = $Start_pos_cache;
} /* VIGA NR 0 ALGUST EI OLE */
if (! is_int ( $Start_pos_cache )) {
/* !algus */
/* VIGA NR 1 ALGUSMARKI EI LEITUD : VIIMANE VOIMALIK ALGUS */
if (is_int ( $Begin_firstOccurence_pos ) and ($Start_pos_cache < $range_end_pos))
$rangeClean = 1;
else
return false;
}
if (is_int ( $Begin_firstOccurence_pos ) and ($rangeClean != 1)) {
if (! is_int ( $End_pos_cache ))
$End_sequel_pos = $Begin_firstOccurence_pos;
$End_pos_cache = strpos ( $subject, $Endmark_str, $End_sequel_pos );
/* ok */
if (is_int ( $End_pos_cache ) and ($rangeClean != 1)) {
$range_current_lenght = ($End_pos_cache - $Begin_firstOccurence_pos);
$End_sequel_pos = ($End_pos_cache + $Endmark_str_len);
$range_end_pos = $End_pos_cache;
}
/* VIGA NR 2 LOPPU EI LEITUD */
if (! is_int ( $End_pos_cache ))
if ($End_pos_cache == false)
return false;
}
} while ( $rangeClean < 1 );
if (is_int ( $Begin_firstOccurence_pos ) and is_int ( $range_current_lenght ))
$Range = substr ( $subject, $Begin_firstOccurence_pos, $range_current_lenght );
else
return false;
return array (
'range' => $Range,
'begin' => $Begin_firstOccurence_pos,
'end' => $End_sequel_pos
);
} // end getrange()
} // class
?>
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