php 读取二进制文件

classHex

{

var$file;

var$hex;

function__construct($file)

{

$this->file=$file;

}

functiongethex()

{

$handle=fopen($this->file,'r')ordie('Haiipermessi?');

while(!feof($handle))

{

foreach(unpack('C*',fgets($handle))as$dec)

{

$tmp=dechex($dec);

$this->hex[].=strtoupper(str_repeat('0',2-strlen($tmp)).$tmp);

}

}

returnjoin($this->hex);

}

functionwritehex($hexcode)

{

foreach(str_split($hexcode,2)as$hex)

{

$tmp.=pack('C*',hexdec($hex));

}

$handle=fopen($this->file,'w+')ordie('Haiipermessi?');

fwrite($handle,$tmp);

}

}

?>

include('hex.class.php');

$obj=newHex('test');

$hexcode=$_POST['hexcode'];

if($hexcode)

{

$obj->writehex(trim($hexcode));

print'

0k.

}

?>

=trim($obj->gethex())?>