二维码的PHP实现代码

font = dirname(__FILE__).'./font/elephant.ttf';//注意字体路径要写对，否则显示不了图片 } //生成随机码 private function createCode() { $_len = strlen($this->charset)-1; for ($i=0;$i<$this->codelen;$i++) { $this->code .= $this->charset[mt_rand(0,$_len)]; } } //生成背景 private function createBg() { $this->img = imagecreatetruecolor($this->width, $this->height); $color = imagecolorallocate($this->img, mt_rand(157,255), mt_rand(157,255), mt_rand(157,255)); imagefilledrectangle($this->img,0,$this->height,$this->width,0,$color); }