40 lines
1.6 KiB
PHP
40 lines
1.6 KiB
PHP
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<?php
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class CCheckCodeFile{
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private $mCheckCodeNum = 4;//<2F><>֤<EFBFBD><D6A4>λ<EFBFBD><CEBB>
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private $mCheckCode = '0123456789';//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><D6A4>
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private $mCheckImageWidth = '65';//<2F><>֤<EFBFBD><D6A4><EFBFBD><EFBFBD>ͼƬ<CDBC><C6AC><EFBFBD><EFBFBD>
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private $mCheckImageHeight = '20';//<2F><>֤<EFBFBD><D6A4><EFBFBD><EFBFBD>ͼƬ<CDBC><C6AC><EFBFBD><EFBFBD>
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><D6A4>ͼƬ
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public function OutCheckImage(){
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header("Content-type:image/png");//<2F><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC>ͷ<EFBFBD><CDB7>Ϣ
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$im = imagecreate($this->mCheckImageWidth,$this->mCheckImageHeight);//<2F><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC>
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$black = imagecolorallocate($im,255,255,255);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ<EFBFBD><C9AB>־<EFBFBD><D6BE>
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$white = imagecolorallocate($im,0,0,0);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ<EFBFBD><C9AB>־<EFBFBD><D6BE>
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$gray = imagecolorallocate($im,100,100,100);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ<EFBFBD><C9AB>־<EFBFBD><D6BE>
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imagefill($im,80,30,$black);//<2F><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC>
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for($i=0;$i<50;$i++){
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$randcolor=imagecolorallocate($im,rand(100,255),rand(100,255),rand(100,255));//<2F><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>ɫ<EFBFBD><C9AB>־<EFBFBD><D6BE>
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imagesetpixel($im, rand(0,$this->mCheckImageWidth),rand(0,$this->mCheckImageHeight),$randcolor);//<2F><><EFBFBD><EFBFBD>һ<EFBFBD>н<EFBFBD><D0BD><EFBFBD><EFBFBD>ı<EFBFBD>־<EFBFBD><D6BE><EFBFBD><EFBFBD><EFBFBD>㣬<EFBFBD><E3A3AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>
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}
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// for($i=0;$i<5;$i++){
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// imageline($im,rand(0,$this->mCheckImageWidth),rand(0,$this->mCheckImageHeight),rand(0,$this->mCheckImageWidth),rand(0,$this->mCheckImageHeight),$gray);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>껭<EFBFBD><EABBAD>
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// }
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for($i=0;$i<=$this->mCheckCodeNum;$i++){
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$authnum.=substr($this->mCheckCode,rand(0,9),1);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>
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}
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$_SESSION['num']=strtolower($authnum);//<2F><><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>д<EFBFBD><D0B4>SESSION<4F>Դ<EFBFBD><D4B4><EFBFBD>֤
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$x=rand(2,20);
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$y=rand(2,6);
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imagestring($im,5,$x,$y,$authnum,$white);//<2F><><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>д<EFBFBD><D0B4>ͼƬ
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imagepng($im);//<2F><><EFBFBD><EFBFBD>ͼƬ
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imagedestroy($im);//ע<><D7A2>ͼƬ<CDBC><C6AC>Դ
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}
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}
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session_start();
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if($_SESSION['num']){
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unset($_SESSION['num']);//ע<><D7A2><EFBFBD><EFBFBD>һ<EFBFBD>ε<EFBFBD>ͼƬ<CDBC><C6AC>֤<EFBFBD><D6A4>
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}
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$code_image = new CCheckCodeFile;
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$code_image ->OutCheckImage();
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?>
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