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<?php
require_once?'string.func.php';
//GD庫做驗證碼
$width=80;
$height=30;
//創建畫布
$image=imagecreatetruecolor($width,?$height);
$white=imagecolorallocate($image,?255,?255,?255);
$black=imagecolorallocate($image,?0,?0,?0);
//用填充矩形填充畫布
imagefilledrectangle($image,?1,?1,?$width-2,?$height-2,?$white);
$type=1;
$length=4;
$chars=buildRandomString($type,$length);
$sess_name="varify";
$_SESSION[$sess_name]=$chars;
$fontfiles=array("MSYH.TTF","MSYHBD.TTF","SIMSUN.TTC");
for($i=0;$i<$length;$i++){
	$size=mt_rand(14,?18);
	$angle=mt_rand(-15,?15);
	$x=5+$i*$size;
	$y=mt_rand(20,?26);
	$color=imagecolorallocate($image,?mt_rand(50,?90),?mt_rand(80,?200),?mt_rand(90,?180));
	$fontfile='F:/wamp/www/shop/shopimooc/fonts/'.$fontfiles[mt_rand(0,?count($fontfiles)-1)];
	$text=substr($chars,?$i,1);
	imagettftext($image,?$size,?$angle,?$x,?$y,?$color,?$fontfile,?$text);
}
ob_clean();
header("content-type:image/gif");
imagegif($image);
imagedestroy($image);

老師我的為什么這樣啊 已經弄了好久了還是這樣