mall/utils/DqznPrint.php

<?php

namespace app\utils;

use app\models\Printer;
use Exception;

class DqznPrint
{
    protected string $host = 'https://printer.juhesaas.com';

    public string $app_id = '';

    public string $app_secret = '';


    public function __construct($printer_id = 0)
    {
        $printerModel = Printer::findOne($printer_id);
        if ($printerModel) {
            $printer_setting = json_decode($printerModel->printer_setting, true);
            if ($printer_setting) {
                $this->app_id = $printer_setting['app_id'];
                $this->app_secret = $printer_setting['app_secret'];
            }
        }
    }

    protected function request($url, $data)
    {
        $data = json_encode($data);

        $uid = uniqid('rxid');
        $time = time();
        $md5 = md5($uid . $this->app_id . $time . $this->app_secret . $data);

        $header = [
            "Content-Type:application/json",
            "appid:" . $this->app_id,
            "uid:" . $uid,
            "stime:" . $time,
            "sign:" . $md5
        ];

        $ci = curl_init();
        curl_setopt($ci, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
        curl_setopt($ci, CURLOPT_CONNECTTIMEOUT, 30);
        curl_setopt($ci, CURLOPT_TIMEOUT, 30);
        curl_setopt($ci, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ci, CURLINFO_HEADER_OUT, true);
        curl_setopt($ci, CURLOPT_HTTPHEADER, $header); // 设置通用传参
        curl_setopt($ci, CURLOPT_POST, true);
        curl_setopt($ci, CURLOPT_POSTFIELDS, $data);
        curl_setopt($ci, CURLOPT_SSL_VERIFYPEER, false); // 跳过证书检查
        curl_setopt($ci, CURLOPT_SSL_VERIFYHOST, false);// 从证书中检查SSL加密算法是否存在
        curl_setopt($ci, CURLOPT_URL, $url);
        $response = curl_exec($ci);
        $http_code = curl_getinfo($ci, CURLINFO_HTTP_CODE);
        curl_close($ci);

        if (!$http_code || !$response || $http_code !== 200) {
            throw new Exception('请求失败:' . $http_code);
        }
        $result = json_decode($response, true);
        if ($result['code'] !== 0) {
            throw new Exception($result['message']);
        }

        return $result['data'];
    }

    /**
     * 添加打印设备
     */
    public function add_printer($sn, $key, $name)
    {
        $url = $this->host . '/openapi/addPrinter';
        return $this->request($url, [
            [
                "sn"    => $sn,
                "key"   => $key,
                "name"  => $name
            ]
        ]);
    }

    /**
     * 修改打印设备
     */
    public function edit_printer($sn, $name)
    {
        $url = $this->host . '/openapi/editPrinter';
        return $this->request($url, [
            [
                "sn"    => $sn,
                "name"  => $name
            ]
        ]);
    }

    /**
     * 删除打印设备
     */
    public function delete_printer($sn)
    {
        $url = $this->host . '/openapi/delPrinter';
        return $this->request($url, [
            $sn
        ]);
    }

    /**
     * 查询打印机状态
     */
    public function status($sn)
    {
        $url = $this->host . '/openapi/getDeviceStatus';
        return $this->request($url, [
            'sn' => $sn
        ]);
    }

    /**
     * 打印小票
     */
    public function print($sn, $content, $copies, $voice = 4)
    {
        $url = $this->host . '/openapi/print';

        return $this->request($url, [
            "sn"        => $sn,
            "content"   => $content,
            "copies"    => $copies,
            "voice"     => $voice,
        ]);
    }
}