phpqrcode 生成 二维码 --> 编号字符串生成图片 ---> 二维码与编号图片拼接---->压缩 下载
//生成二维码图片 function makeCodeImg($url, $product_sn = '2023**82024') { $path = 'upload/product_qr_code'; if (!is_dir($path)) { mkdir($path, 0777, true); } include_once app()->getRootPath()."/vendor/image-master/phpqrcode/phpqrcode.php"; $value = $url; //二维码内容 $errorCorrectionLevel = 'L'; //容错级别 $matrixPointSize = 12; //生成图片大小 $filename = $path . '/' . $product_sn . '.jpg'; QRcode::png($value, $filename, $errorCorrectionLevel, $matrixPointSize, 2); $QR = $filename; //已经生成的原始二维码图片文件 $QR = imagecreatefromstring(file_get_contents($QR)); imagejpeg($QR, $product_sn . 'jpg'); } //文字生成图片 function makeImgWithStr($filename, $text, $font_size=20) { $font = app()->getRootPath()."/vendor/image-master/font/Arial/Arial.ttf"; //图片尺寸 $im = imagecreatetruecolor(444, 70); //背景色 $white = imagecolorallocate($im, 255, 255, 255); //字体颜色 $black = imagecolorallocate($im, 0, 0, 0); imagefilledrectangle($im, 0, 0, 444, 300, $white); $txt_max_width = intval(0.8 * 444); $content = ""; for ($i = 0; $i < mb_strlen($text); $i++) { $letter[] = mb_substr($text, $i, 1); } foreach ($letter as $l) { $test_str = $content . " " . $l; $test_box = imagettfbbox($font_size, 0, $font, $test_str); // 判断拼接后的字符串是否超过预设的宽度。超出宽度添加换行 if (($test_box[2] > $txt_max_width) && ($content !== "")) { $content .= "\n"; } $content .= $l; } $txt_width = $test_box[2] - $test_box[0]; $y = 70 * 0.5; // 文字从何处的高度开始 $x = (444 - $txt_width) / 2; //文字居中 // echo $x;die; //文字写入 imagettftext($im, $font_size, 0, $x, $y, $black, $font, $content); //写 TTF 文字到图中 //图片保存 // $filename = app()->getRootPath()."/public/".$filename; if (!is_dir('upload/sn_str_img')) { mkdir('upload/sn_str_img', 0777, true); } imagejpeg($im, $filename); } /** * 合并图片,拼接合并 * @param array $image_path 需要合成的图片数组 * @param $save_path 合成后图片保存路径 * @param string $axis 合成方向 * @param string $save_type 合成后图片保存类型 * @return bool|array */ function CompositeImage(array $image_path, $save_path, $axis = 'y', $save_type = 'png') { if (count($image_path) < 2) { return false; } //定义一个图片对象数组 $image_obj = []; //获取图片信息 $width = 0; $height = 0; foreach ($image_path as $k => $v) { $pic_info = getimagesize($v); list($mime, $type) = explode('/', $pic_info['mime']); //获取宽高度 $width += $pic_info[0]; $height += $pic_info[1]; if ($type == 'jpeg') { $image_obj[] = imagecreatefromjpeg($v); } elseif ($type == 'png') { $image_obj[] = imagecreatefrompng($v); } else { $image_obj[] = imagecreatefromgif($v); } } //按轴生成画布方向 if ($axis == 'x') { //TODO X轴无缝合成时请保证所有图片高度相同 $img = imageCreatetruecolor($width, imagesy($image_obj[0])); } else { //TODO Y轴无缝合成时请保证所有图片宽度相同 $img = imageCreatetruecolor(imagesx($image_obj[0]), $height); } //创建画布颜色 $color = imagecolorallocate($img, 255, 255, 255); imagefill($image_obj[0], 0, 0, $color); //创建画布 imageColorTransparent($img, $color); imagecopyresampled($img, $image_obj[0], 0, 0, 0, 0, imagesx($image_obj[0]), imagesy($image_obj[0]), imagesx($image_obj[0]), imagesy($image_obj[0])); $yx = imagesx($image_obj[0]); $x = 0; $yy = imagesy($image_obj[0]); $y = 0; //循环生成图片 for ($i = 1; $i <= count($image_obj) - 1; $i++) { if ($axis == 'x') { $x = $x + $yx; imagecopymerge($img, $image_obj[$i], $x, 0, 0, 0, imagesx($image_obj[$i]), imagesy($image_obj[$i]), 100); } else { $y = $y + $yy; imagecopymerge($img, $image_obj[$i], 0, $y, 0, 0, imagesx($image_obj[$i]), imagesy($image_obj[$i]), 100); } } if (!is_dir('upload/pin_code')) { mkdir('upload/pin_code', 0777, true); } //设置合成后图片保存类型 if ($save_type == 'png') { imagepng($img, $save_path); } elseif ($save_type == 'jpg' || $save_type == 'jpeg') { imagejpeg($img, $save_path); } else { imagegif($img, $save_path); } return true; } //图片等宽处理 function ImgCompress($src, $out_with = 150) { // 获取图片基本信息 list($width, $height, $type, $attr) = getimagesize($src); // 获取图片后缀名 $pic_type = image_type_to_extension($type, false); // 拼接方法 $imagecreatefrom = "imagecreatefrom" . $pic_type; // 打开传入的图片 $in_pic = $imagecreatefrom($src); // 压缩后的图片长宽 $new_width = $out_with; $new_height = $out_with / $width * $height; // 生成中间图片 $temp = imagecreatetruecolor($new_width, $new_height); // 图片按比例合并在一起。 imagecopyresampled($temp, $in_pic, 0, 0, 0, 0, $new_width, $new_height, $width, $height); // 销毁输入图片 imagejpeg($temp, 'upload/merge' . time() . ".jpg"); imagedestroy($in_pic); return array($temp, $new_width, $new_height); } //生成带编号说明的二维码 (生成二维码 文字生成图片 图片合并拼接) function makeMergerImg($sn_product){ makeCodeImg('https://www.baidu.com/',$sn_product); makeImgWithStr('upload/sn_str_img/'.$sn_product.'.jpg',$sn_product,30); CompositeImage(['upload/product_qr_code/'.$sn_product.'.jpg','upload/sn_str_img/'.$sn_product.'.jpg'],'upload/pin_code/'.$sn_product.'.png'); unlink('upload/sn_str_img/'.$sn_product.'.jpg'); unlink('upload/product_qr_code/'.$sn_product.'.jpg'); unlink($sn_product.'jpg'); } //生成压缩zip文件 $file_name 最终生成的文件名,包含路径 $file_list,用来生成file_name的文件数组 function makeZip($file_name, $file_list) { if (file_exists($file_name)) { unlink($file_name); } //重新生成文件 $zip = new ZipArchive(); if ($zip->open($file_name, ZIPARCHIVE::CREATE) !== TRUE) { exit('无法打开文件，或者文件创建失败'); } foreach ($file_list as $val) { if (file_exists($val)) { $new_filename = substr($val, strrpos($val, '/') + 1); $zip->addFile($val,$new_filename); } } $zip->close();//关闭 if (!file_exists($file_name)) { exit('无法找到文件'); //即使创建，仍有可能失败 } } //下载 function download($file){ if ( file_exists ( $file )) { header ( 'Content-Description: File Transfer' ); header ( 'Content-Type: application/octet-stream' ); header ( 'Content-Disposition: attachment; filename=' . basename ( $file )); header ( 'Content-Transfer-Encoding: binary' ); header ( 'Expires: 0' ); header ( 'Cache-Control: must-revalidate' ); header ( 'Pragma: public' ); header ( 'Content-Length: ' . filesize ( $file )); ob_clean (); flush (); readfile ( $file ); exit; } }
//删除压缩包 $product_str_start = 'cb05-00000155'; $product_str_end = 'cb05-00000160'; $press = explode('-',$product_str_start)[0]; $product_sn_start = explode('-',$product_str_start)[1]; $product_sn_end = explode('-',$product_str_end)[1]; $count = $product_sn_end - $product_sn_start; $arr = []; for ($i=0;$i<=$count;$i++){ $product_sn = $press.'-'.substr($product_sn_start+$i+1000000,1,7); makeMergerImg($product_sn); $img_arr[$i] = 'upload/pin_code/'.$product_sn.'.png'; $arr[] = $product_sn; } //生成压缩包 makeZip('upload/'.$params['machine_id'].'.zip',$img_arr); $path = app()->getRootPath()."/public/upload/pin_code/"; foreach ($arr as $v){ unlink($path.$v.'.png'); } //下载压缩包 download('upload/'.$params['machine_id'].'.zip'); die;