{
if (!isset($savePath)) return '';
//设置天生png图片的路径
$PNG_TEMP_DIR = $savePath;
//检测并创建天生文件夹
if (!file_exists($PNG_TEMP_DIR)) {
mkdir($PNG_TEMP_DIR);
}
$filename = $PNG_TEMP_DIR . 'test.png';
$errorCorrectionLevel = 'L';
if (isset($qrLevel) && in_array($qrLevel, ['L', 'M', 'Q', 'H'])) {
$errorCorrectionLevel = $qrLevel;
}
$matrixPointSize = 4;
if (isset($qrSize)) {
$matrixPointSize = min(max((int)$qrSize, 1), 10);
}
if (isset($qrData)) {
if (trim($qrData) == '') {
die('data cannot be empty!');
}
//天生文件名 文件路径+图片名字前缀+md5(名称)+.png
$filename = $PNG_TEMP_DIR . $savePrefix . md5($qrData . '|' . $errorCorrectionLevel . '|' . $matrixPointSize) . '.png';
//开始天生
\PHPQRCode\QRcode::png($qrData, $filename, $errorCorrectionLevel, $matrixPointSize, 2);
} else {
//默认天生
\PHPQRCode\QRcode::png('PHP QR Code :)', $filename, $errorCorrectionLevel, $matrixPointSize, 2);
}
if (file_exists($PNG_TEMP_DIR . basename($filename)))
return basename($filename);
else
return FALSE;
}
public function qrcode()
{
$savePath = APP_PATH . '/../Public/qrcode/';
$webPath = '/qrcode/';
$qrData = 'http://www.baidu.com';
$qrLevel = 'H';
$qrSize = '8';
$savePrefix = 'NickBai';
if($filename =$this->test($savePath, $qrData, $qrLevel, $qrSize, $savePrefix)){
$pic = $webPath . $filename;
}
echo \"大众<img src='\"大众.$pic.\"大众'>\公众;
}
