[PHP知识库]laravel 条形码

条形码 (barcode) 是将宽度不等的多个黑条和空白，按照一定的编码规则排列，用以表达一组信息的图形标识符。

这里采用 php 实现，支持大多数的码制。

安装所需的代码库

composer require codeitnowin/barcode

实例：

                        //保存的路径
                            $nowDay = date('Y-m-d');
                            $ymd = date('Ymd');
                            //如果没有文件夹 则自动创建
                            if(!is_dir($_SERVER['DOCUMENT_ROOT'].'/uploads/qrcode/'.$nowDay)){
                                mkdir($_SERVER['DOCUMENT_ROOT'].'/uploads/qrcode/'.$nowDay,0777,true);
                            }
                            $file_path = './uploads/qrcode/'.$nowDay.'/';
                            $file_id = uniqid();
                            $filename = $file_path.$file_id.'.jpg';
                            $barcode = new BarcodeGenerator();
                            $no = ProofingNotice::setProofingCode($ymd);
                            $barcode->setText($no);
                            $barcode->setType(BarcodeGenerator::Code128);
                            $barcode->setScale(2);
                            $barcode->setThickness(25);
                            $barcode->setFontSize(10);
                            $barcode->setFilename($filename);
                            $code = $barcode->generate();
                            $uploads = new UploadsController();
                            $file = '/uploads/qrcode/'.$nowDay.'/'.$file_id.'.png';
                            $uploads->uploadsiImgMobile($file);
                            DB::table('proofing_notice')->where('id',$notice_id)->update(['barcode'=>$new_path]);

相关代码（具体展示在后面）

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

use CodeItNow\BarcodeBundle\Utils\BarcodeGenerator;
use CodeItNow\BarcodeBundle\Utils\QrCode;

class BarCodeController extends Controller
{
    public function index()
    {

        echo '<p>Example - QrCode</p>';
        $qrCode = new QrCode();
        $qrCode
            ->setText('https://www.php.net/manual/zh/')
            ->setSize(300)
            ->setPadding(10)
            ->setErrorCorrection('high')
            ->setForegroundColor(array('r' => 0, 'g' => 0, 'b' => 0, 'a' => 0))
            ->setBackgroundColor(array('r' => 255, 'g' => 255, 'b' => 255, 'a' => 0))
            ->setLabel('https://www.php.net/')
            ->setLabelFontSize(16)
            ->setImageType(QrCode::IMAGE_TYPE_PNG);
        echo '<img src="data:' . $qrCode->getContentType() . ';base64,' . $qrCode->generate() . '" />';

        echo '<hr>';
        echo '<p>Example - Code128</p>';
        $barcode = new BarcodeGenerator();
        $barcode->setText("0123456789");
        $barcode->setType(BarcodeGenerator::Code128);
        $barcode->setScale(2);
        $barcode->setThickness(25);
        $barcode->setFontSize(10);
        $code = $barcode->generate();
        echo '<img src="data:image/png;base64,' . $code . '" />';

        echo '<hr>';
        echo '<p>Example - Code11</p>';
        $barcode = new BarcodeGenerator();
        $barcode->setText("0123456789");
        $barcode->setType(BarcodeGenerator::Code11);
        $code = $barcode->generate();
        echo '<img src="data:image/png;base64,' . $code . '" />';

        echo '<hr>';
        echo '<p>Example - Code39</p>';
        $barcode = new BarcodeGenerator();
        $barcode->setText("0123456789");
        $barcode->setType(BarcodeGenerator::Code39);
        $code = $barcode->generate();
        echo '<img src="data:image/png;base64,' . $code . '" />';

        echo '<hr>';
        echo '<p>Example - Code39Extended</p>';
        $barcode = new BarcodeGenerator();
        $barcode->setText("0123456789");
        $barcode->setType(BarcodeGenerator::Code39Extended);
        $code = $barcode->generate();
        echo '<img src="data:image/png;base64,' . $code . '" />';

        echo '<hr>';
        echo '<p>Example - Ean128</p>';
        $barcode = new BarcodeGenerator();
        $barcode->setText("00123456789012345675");
        $barcode->setType(BarcodeGenerator::Ean128);
        $code = $barcode->generate();
        echo '<img src="data:image/png;base64,' . $code . '" />';

        echo '<hr>';
        echo '<p>Example - Gs1128</p>';
        $barcode = new BarcodeGenerator();
        $barcode->setText("00123456789012345675");
        $barcode->setType(BarcodeGenerator::Gs1128);
        $code = $barcode->generate();
        echo '<img src="data:image/png;base64,' . $code . '" />';

        echo '<hr>';
        echo '<p>Example - Gs1128</p>';
        $barcode = new BarcodeGenerator();
        $barcode->setText("4157707266014651802001012603068039000000006377069620171215");
        $barcode->setType(BarcodeGenerator::Gs1128);
        $barcode->setNoLengthLimit(true);
        $barcode->setAllowsUnknownIdentifier(true);
        $code = $barcode->generate();
        echo '<img src="data:image/png;base64,' . $code . '" />';

        // i15为偶数
        echo '<hr>';
        echo '<p>Example - I25</p>';
        $barcode = new BarcodeGenerator();
        $barcode->setText("00123456789012345675");
        $barcode->setType(BarcodeGenerator::I25);
        $code = $barcode->generate();
        echo '<img src="data:image/png;base64,' . $code . '" />';

        echo '<hr>';
        echo '<p>Example - Isbn</p>';
        $barcode = new BarcodeGenerator();
        $barcode->setText("0012345678901");
        $barcode->setType(BarcodeGenerator::Isbn);
        $code = $barcode->generate();
        echo '<img src="data:image/png;base64,' . $code . '" />';

        echo '<hr>';
        echo '<p>Example - Msi</p>';
        $barcode = new BarcodeGenerator();
        $barcode->setText("0012345678901");
        $barcode->setType(BarcodeGenerator::Msi);
        $code = $barcode->generate();
        echo '<img src="data:image/png;base64,' . $code . '" />';

        echo '<hr>';
        echo '<p>Example - Postnet</p>';
        $barcode = new BarcodeGenerator();
        $barcode->setText("01234567890");
        $barcode->setType(BarcodeGenerator::Postnet);
        $code = $barcode->generate();
        echo '<img src="data:image/png;base64,' . $code . '" />';

        echo '<hr>';
        echo '<p>Example - S25</p>';
        $barcode = new BarcodeGenerator();
        $barcode->setText("012345678901");
        $barcode->setType(BarcodeGenerator::S25);
        $code = $barcode->generate();
        echo '<img src="data:image/png;base64,' . $code . '" />';

        echo '<hr>';
        echo '<p>Example - Upca</p>';
        $barcode = new BarcodeGenerator();
        $barcode->setText("012345678901");
        $barcode->setType(BarcodeGenerator::Upca);
        $code = $barcode->generate();
        echo '<img src="data:image/png;base64,' . $code . '" />';

        echo '<hr>';
        echo '<p>Example - Upce</p>';
        $barcode = new BarcodeGenerator();
        $barcode->setText("012345");
        $barcode->setType(BarcodeGenerator::Upce);
        $code = $barcode->generate();
        echo '<img src="data:image/png;base64,' . $code . '" />';

    }
}

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