?? ?? ??? ??? ????.
??? ??
{
var $ width =160 ; //??? ??
var $hight =40; //??? ??
var $image; var $red =223; picture
var $green =225 ; //???
var $blue =227 ;//Green
var $pix =227 ;//Blue
var $pixcolor; ??> var $pixred = 242; //???
var $pixgreen = 168;//??
var $pixblue = 162; //???
var $txt=null;//?? ?? ???
var $txtcode=null;
var $txtsub=null;
var $pixnum = 300; //?? ??? ?
var $i=0;
var $highty=0;
var $txtreg=50;
var $txtgreen=30;
function createimage() //??? ?? ? ?? ??
{
$ this->image = imagecreate( $this->width,$this->hight)
$this->color = imagecolorallocate($this->image,$this->red,$ this->green,$this ->blue)
return imagefill($this->image,0,0,$this->color)
}
function createepix() //?? ??
{
for($this->i=1;$this->i<$this->pixnum;$this->i )
{
$this->widthpx = rand (0,$this->width)
$this->highty = rand(0,$this->hight)
$this->pixcolor = imagecolorallocate($this-> image,$this->pixred,$this->pixgreen,$this->pixblue)
imagesetpixel($this->image,$this->widthpx ,$this->highty, $this->pixcolor)
}
}
function gettxt() //?? ?? ??? ??
{
$this->txt = array("?"," "??", "?", "?", "??", "??", "?", "?", "??", "?", "??", "?? ", "???", "?? ???", "???", "???", "???", "???", "??", "?", "????", "???", "????", "??", "ye", "Xu"," " on", "??", "??", "?");
for($this->i=0;$this->i<6;$ this->i )
{
$this->sub = $this->txt[rand(0,29)]
$this->txtcode.= $this-> ;sub;
}
$this->txtcode = iconv("GB2312","UTF-8",$this->txtcode)
$_SESSION["code"] = $this ->txtcode; //??ID ??
}
function createstring() //???? ??? ??
{
imagettftext($this->image,20,5,0,40 ,$this->pixcolor," C:WINDOWSFontssimsun.ttc ",$this->txtcode)
header("content-type:image/png")
return imagepng($this-> ;image);
imagedestroy( $this->image);
}
function getcodeimage()//?? ?? ??? ????
{
$this->createimage() ;
$this->gettxt ();
$this->createstring()
}
?> ;
session_start();
$text = ? ??
$text->gettxt(); >$text->createpix();
$text->createstring()
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