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How does Tp framework generate QR code

藏色散人
Release: 2020-08-18 13:28:19
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The following is thethinkphpframework tutorial column to introduce to you the method of generating QR codes with the Tp framework. I hope it will be helpful to friends in need!

How does Tp framework generate QR code

  • Basic environment
    • System environment: Windows10 x64
    • PHP integrated environment:phpstudy
    • PHP dependency management tool:Composer

##(1) Install qr-code extension

composer require endroid/qr-code
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(2) Code implementation (code is valid after personal testing)

 * @describe:生成普通二维码 */ public static function make_qrcode($text,$size=105,$domain=false){ $img_name = Random::alnum(15); $n = date("Ym"); $dir= app()->getRootPath()."public/qrcode/code/".$n; //判断目录是否存在 if (!is_dir($dir)) { mkdir($dir, 0777, true); } $pathname = $dir."/" . $img_name . '.png'; $qrCode = new QrCode(); $qrCode->setText($text) ->setSize($size) ->setPadding(15) ->setErrorCorrection('high') ->setForegroundColor(array('r' => 0, 'g' => 0, 'b' => 0, 'a' => 0)) ->setBackgroundColor(array('r' => 255, 'g' => 255, 'b' => 255, 'a' => 0)) ->setImageType(QrCode::IMAGE_TYPE_PNG); try { $qrCode->save($pathname); $str="/qrcode/code/".$n."/". $img_name . '.png'; if ($domain){ return request()->domain().$str; }else{ return $str; } } catch (\Endroid\QrCode\Exceptions\ImageTypeInvalidException $exception) { return ""; } } /** * @param $text * @param $logo * @return string * @throws Exception * @author: Hhy  * @describe:生成带logo 的二维码 */ public static function QrCodeWithLogo($text,$logo,$domain=false){ if (!file_exists($logo)){ exception("logo地址不存在"); } $img_name = Random::alnum(15); $n = date("Ym"); $dir= app()->getRootPath()."public/qrcode/".$n; //判断目录是否存在 if (!is_dir($dir)) { mkdir($dir, 0777, true); } $pathname = $dir."/" . $img_name . '.png'; $qrCode = new QrCode(); $qrCode->setText($text) ->setSize(300) ->setLogo($logo) ->setLogoSize(60) ->setErrorCorrection('high') ->setForegroundColor(array('r' => 0, 'g' => 0, 'b' => 0, 'a' => 0)) ->setBackgroundColor(array('r' => 255, 'g' => 255, 'b' => 255, 'a' => 0)) ->setImageType(QrCode::IMAGE_TYPE_PNG); $qrCode->save($pathname); $str="/qrcode/".$n."/". $img_name . '.png'; if ($domain){ return request()->domain().$str; }else{ return $str; } } }
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source:learnku.com
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