php生成二维码
<?phpclass qrcode { private $data; //creating text qr code public function text($text) { $this->data = $text; }//creating code with link mtadata public function link($url) { if (preg_match('/^http:\/\//', $url) || preg_match('/^https:\/\//', $url)) { $this->data = $url; } else { $this->data = "<a href=\"http://".$url."\">http://".$url."</a>"; } }//creating code with bookmark metadata public function bookmark($title, $url) { $this->data = "MEBKM:TITLE:" . $title . ";URL:" . $url . ";;"; }//creating code with email address metadata public function email_address($email) { $this->data = "<a href='mailto:'".$email.">MAILTO:".$email."</a>"; } //creating code with email metadata public function email($email, $subject, $message) { $this->data = "MATMSG:TO:" . $email . ";SUB:" . $subject . ";BODY:" . $message . ";;"; } //creating code with phone public function phone_number($phone) { $this->data = "TEL:" . $phone; } //creating code with sms metadata public function sms($phone, $text) { $this->data = "SMSTO:" . $phone . ":" . $text; } //creating code with mms metadata public function mms($phone, $text) { $this->data = "MMSTO:" . $phone . ":" . $text; } //creating code with mecard metadata public function contact_info($name, $address, $phone, $email) { $this->data = "MECARD:N:" . $name . ";ADR:" . $address . ";TEL:" . $phone . ";EMAIL:" . $email . ";;"; } //creating code with geo location metadata public function geo($lat, $lon, $height) { $this->data = "GEO:" . $lat . ", " . $lon . ", " . $height; } //creating code with wifi configuration metadata public function wifi($type, $ssid, $pass) { $this->data = "WIFI:T:" . $type . ";S" . $ssid . ";" . $pass . ";;"; } //creating code with i-appli activating meta data public function iappli($adf, $cmd, $param) { $cur = current($param); $next = next($param); $param_str = ""; foreach ($cur as $key => $val) { $param_str .= "PARAM:" . $val . ", " . $next[$key] . ";"; } $this->data = "LAPL:ADFURL:" . $adf . ";CMD:" . $cmd . ";" . $param_str . ";"; } //creating code with gif or jpg image, or smf, MFi or ToruCa files as content public function content($type, $size, $content) { $this->data = "CNTS:TYPE:" . $type . ";LNG:" . $size . ";BODY:" . $content . ";;"; } //getting image public function get_image($size = 150, $EC_level = 'L', $margin = '0') { $ch = curl_init(); $this->data = urlencode($this->data); curl_setopt($ch, CURLOPT_URL, 'http://chart.apis.google.com/chart'); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, 'chs=' . $size . 'x' . $size . '&cht=qr&chld=' . $EC_level . '|' . $margin . '&chl=' . $this->data); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_HEADER, false); curl_setopt($ch, CURLOPT_TIMEOUT, 30); $response = curl_exec($ch); curl_close($ch); return $response; } //getting link for image public function get_link($size = 150, $EC_level = 'L', $margin = '0') { $this->data = urlencode($this->data); return 'http://chart.apis.google.com/chart?chs=' . $size . 'x' . $size . '&cht=qr&chld=' . $EC_level . '|' . $margin . '&chl=' . $this->data; } //forsing image download public function download_image($file) { header('Content-Description: File Transfer'); header('Content-Type: image/png'); header('Content-Disposition: attachment; filename=QRcode.png'); header('Content-Transfer-Encoding: binary'); header('Expires: 0'); header('Cache-Control: must-revalidate, post-check=0, pre-check=0'); header('Pragma: public'); header('Content-Length: ' . filesize($file)); ob_clean(); flush(); echo $file; }}?> 实例运用<?phpinclude("qrcode.php");$qr = new qrcode();//bookmark$title = "antdz";$url = "http://antdz.iteye.com/";$qr->bookmark($title,$url);//获取二维码图片URLecho "<img src='".$qr->get_link()."'>";//here is the way to output image //header("Content-type:image/png");//echo $qr->get_image();//and here is the way to force image download//$file = $qr->get_image();//$qr->download_image($file)?>
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