王新阳

$data = 'i am qrcode';
$level = 'Q';// 纠错级别：L、M、Q、H
$size = 2;//元素尺寸
$margin = 5;//边距
$outfile = $path; //生成图片的路径，false直接输出到屏幕
$saveandprint = false;// true直接输出屏幕，false保存到文件中
$back_color = 0xFFFFFF;//白色底色
$fore_color = 0x000000;//黑色二维码色 若传参数要hexdec处理，如 $fore_color = str_replace('#','0x',$fore_color); $fore_color = hexdec('0xCCCCCC');
$QRcode = new QRcode();
//保存到文件
$QRcode->png($data, $outfile, $level, $size, $margin, false, $back_color, $fore_color);
//保存到文件并输出到屏幕
$QRcode->png($data, $outfile, $level, $size, $margin, true, $back_color, $fore_color);
//只输出到屏幕
$QRcode->png($data, false, $level, $size, $margin, false, $back_color, $fore_color);