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PHP如何生成二维码图片

在我们开发过程中，往往我们会遇到将某个商品或者将某个活动生成一个二维码，当用户扫描二维码时候，用户可以直接跳转到商品详细页面或者活动详情页面。那我们如何生成一个二维码图片呢，来，看这里哦！！！

1.封装

代码篇：

function qrcodeLogo($url='',$logo='',$filepath,$level=3,$size=20){
 Vendor('phpqrcode.phpqrcode');//引入PHPQrcode
 $Level =intval($level) ;//容错级别
 $matrixPointSize = intval($size);//生成图片大小
 //生成二维码图片
 $object = new \QRcode();
 $time = time();
 $object::png($url, $filepath, $Level, $matrixPointSize, 2,true);
 $QR = $filepath;
 if ($logo !== FALSE) {
 $QR = imagecreatefromstring(file_get_contents($QR));
 $logo = imagecreatefromstring(file_get_contents($logo));
 $QR_width = imagesx($QR);//二维码图片宽度
 $QR_height = imagesy($QR);//二维码图片高度
 $logo_width = imagesx($logo);//logo图片宽度
 $logo_height = imagesy($logo);//logo图片高度
 $logo_qr_width = $QR_width / 5;
 $scale = $logo_width/$logo_qr_width;
 $logo_qr_height = $logo_height/$scale;
 $from_width = ($QR_width - $logo_qr_width) / 2;
 //重新组合图片并调整大小
 imagecopyresampled($QR, $logo, $from_width, $from_width, 0, 0, $logo_qr_width,
 $logo_qr_height, $logo_width, $logo_height);
 }
 //输出图片
 $path = '/qrcode/logo/' . time() . rand(100, 999) . '_qrcode.png';
 $result = imagepng($QR, '.'.$path);
 return $path;
}

2.看这里我们来调用使用啊

代码篇（片段）：

foreach ($goods as $k => $v) {
 $url = 'http://m.test.com/tmpl/product_detail.html?goods_id=' . $v['goods_id'] . '&roomid=' . $v['apply_id'] . '&saletype=1';
 $qrcode_path = "/qrcode/" . time() . rand(100, 999) . '_qrcode.png';
 $path = qrcodeLogo($url, $v['goods_img'], './' . $qrcode_path, 8, 9);
 $goods[$k]['goods_code'] = 'http://test.tstmobile.com' . $path;
 if($v['tbUrl']!==''){
 $url2 = $v['tbUrl'];
 $qrcode_path2 = "/qrcode/" . time() . rand(100, 999) . '_qrcode.png';
 $path2 = qrcodeLogo($url2, $v['goods_img'], './' . $qrcode_path2, 8, 9);
 $goods[$k]['tao_goods_code'] = 'http://test.tstmobile.com' . $path2;
 }else{
 $goods[$k]['tao_goods_code'] ='';
 }
 if($v['jdUrl']!==''){
 $url3 = $v['jdUrl'];
 $qrcode_path3 = "/qrcode/" . time() . rand(100, 999) . '_qrcode.png';
 $path3 = qrcodeLogo($url3, $v['goods_img'], './' . $qrcode_path3, 8, 9);
 $goods[$k]['dong_goods_code'] = 'http://test.tstmobile.com' . $path3;
 }else{
 $goods[$k]['dong_goods_code'] ='';
 }
 if($v['jdUrl']!=='' || $v['tbUrl']!==''){
 $url4 = 'https://m.test.com/tmpl/MobileZitiCtl/index.html?apply_id='.$v['apply_id'].'&goods_id='.$v['goods_id'].'&company_name='.$live['company_name'].'&address='.$live['address'].'&shop_id='.$live['gl_merchants_id'];
 $qrcode_path4 = "/qrcode/" . time() . rand(100, 999) . '_qrcode.png';
 $path4 = qrcodeLogo($url4, $v['goods_img'], './' . $qrcode_path4, 8, 9);
 $goods[$k]['ti_goods_code'] = 'http://test.tstmobile.com' . $path4;
 }else{
 $goods[$k]['ti_goods_code'] ='';
 }
 }