109 lines
4.5 KiB
PHP
109 lines
4.5 KiB
PHP
<?php
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/**
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* Created by PhpStorm.
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* User: vone
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* Date: 2019/4/16
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* Time: 22:13
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*/
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namespace app\service;
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use Endroid\QrCode\ErrorCorrectionLevel;
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use Endroid\QrCode\LabelAlignment;
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use Endroid\QrCode\QrCode;
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class QrcodeServer
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{
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protected $_qr;
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protected $_encoding = 'UTF-8'; // 编码类型
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protected $_size = 180; // 二维码大小
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protected $_logo = false; // 是否需要带logo的二维码
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protected $_logo_url = ''; // logo图片路径
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protected $_logo_size = 80; // logo大小
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protected $_title = false; // 是否需要二维码title
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protected $_title_content = ''; // title内容
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protected $_generate = 'display'; // display-直接显示 writefile-写入文件
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protected $_file_name = './static/qrcode'; // 写入文件路径
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const MARGIN = 10; // 二维码内容相对于整张图片的外边距
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const WRITE_NAME = 'png'; // 写入文件的后缀名
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const FOREGROUND_COLOR = ['r' => 0, 'g' => 0, 'b' => 0, 'a' => 0]; // 前景色
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const BACKGROUND_COLOR = ['r' => 255, 'g' => 255, 'b' => 255, 'a' => 0]; // 背景色
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public function __construct($config) {
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isset($config['generate']) && $this->_generate = $config['generate'];
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isset($config['encoding']) && $this->_encoding = $config['encoding'];
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isset($config['size']) && $this->_size = $config['size'];
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isset($config['logo']) && $this->_logo = $config['logo'];
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isset($config['logo_url']) && $this->_logo_url = $config['logo_url'];
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isset($config['logo_size']) && $this->_logo_size = $config['logo_size'];
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isset($config['title']) && $this->_title = $config['title'];
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isset($config['title_content']) && $this->_title_content = $config['title_content'];
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isset($config['file_name']) && $this->_file_name = $config['file_name'];
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}
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/**
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* 生成二维码
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* @param $content //需要写入的内容
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* @return array | page input
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*/
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public function createServer($content) {
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$this->_qr = new QrCode($content);
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$this->_qr->setSize($this->_size);
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$this->_qr->setWriterByName(self::WRITE_NAME);
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$this->_qr->setMargin(self::MARGIN);
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$this->_qr->setEncoding($this->_encoding);
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$this->_qr->setErrorCorrectionLevel(ErrorCorrectionLevel::HIGH); // 容错率
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$this->_qr->setForegroundColor(self::FOREGROUND_COLOR);
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$this->_qr->setBackgroundColor(self::BACKGROUND_COLOR);
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// 是否需要title
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if ($this->_title) {
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$this->_qr->setLabel($this->_title_content, 16, null, LabelAlignment::CENTER);
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}
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// 是否需要logo
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if ($this->_logo) {
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$this->_qr->setLogoPath($this->_logo_url);
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$this->_qr->setLogoWidth($this->_logo_size);
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}
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$this->_qr->setValidateResult(false);
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if ($this->_generate == 'display') {
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// 展示二维码
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// 前端调用 例：<img src="http://localhost/qr.php?url=base64_url_string">
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header('Content-Type: ' . $this->_qr->getContentType());
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return $this->_qr->writeString();
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} else if ($this->_generate == 'writefile') {
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// 写入文件
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$file_name = $this->_file_name;
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return $this->generateImg($file_name);
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} else {
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return ['success' => false, 'message' => 'the generate type not found', 'data' => ''];
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}
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}
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/**
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* 生成文件
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* @param $file_name //目录文件 例: /tmp
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* @return array
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*/
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public function generateImg($file_name) {
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$file_path = $file_name . DIRECTORY_SEPARATOR . uniqid() . '.' . self::WRITE_NAME;
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if (!file_exists($file_name)) {
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mkdir($file_name, 0777, true);
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}
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try {
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$this->_qr->writeFile($file_path);
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$data = [
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'url' => $file_path,
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'ext' => self::WRITE_NAME,
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];
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return ['success' => true, 'message' => 'write qrimg success', 'data' => $data];
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} catch (\Exception $e) {
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return ['success' => false, 'message' => $e->getMessage(), 'data' => ''];
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}
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}
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} |