官网地址

https://www.yilianyun.net/

SDK

https://gitee.com/diycp/openapi-sdk

相关代码

<?php
namespace app\work\logic;

use App\Config\YlyConfig;
use App\Oauth\YlyOauthClient;
use App\Api\PrinterService;
use App\Api\PrintService;
use App\Api\PicturePrintService;

use think\Db;

//易联云小票打印机
class PrinterApi extends \app\common\controller\Base
{

    //应用ID
    private static $app_id;
    //应用密钥
    private static $app_secret;
    //打印机编号
    private static $terminal_no;
    //打印机密钥
    private static $terminal_secret;
    //打印机配置
    private static $config;
    //打印机access_token
    private static $access_token;


    //调用打印机
    public static function callPrint()
    {
        $config = Db::table('shop_printer')->where('id',1)->find();
        self::$app_id = $config['app_id'];
        self::$app_secret = $config['app_secret'];
        self::$terminal_no = $config['terminal_no'];
        self::$terminal_secret = $config['terminal_secret'];

        $map['app_id'] = self::$app_id;
        $map['expires_time'] = array('lt',time());
        $printer_token = Db::table("printer_token")->where($map)->find();
        self::$config = new YlyConfig(self::$app_id, self::$app_secret);
        if($printer_token){
            self::$access_token = $printer_token['access_token'];
        }else{
            $client = new YlyOauthClient(self::$config);
            $token = $client->getToken();
            Db::table("printer_token")->where(['app_id'=>self::$app_id])->update(['access_token'=>$token->access_token,'refresh_token'=>$token->refresh_token,'expires_time'=>time+$token->expires_in]);
            self::$access_token = $token->access_token;
        }
        //授权打印机
        $printer = new PrinterService(self::$access_token, self::$config);
        $printer_status = $printer->addPrinter(self::$terminal_no, self::$terminal_secret, '', '');
        if($printer_status->error){
            self::printerLog('授权打印机失败：'.$printer_status->error_description);
        }else{
                $res = self::text();
                return $res;
        }
    }

    //打印机日志
    private static function printerLog($content)
    {
        $data['terminal_no'] = self::$terminal_no;
        $data['content'] = $content;
        $data['created_time'] = date("Y-m-d H:i:s");
        Db::table("printer_log")->insertGetId($data);
    }

    //打印文本
    public static function text()
    {
        $print = new PrintService(self::$access_token, self::$config);
        //58mm排版 排版指令详情请看 http://doc2.10ss.net/332006
        $content = "<FS2><center>**#1 美团**</center></FS2>";
        $content .= str_repeat('.', 32);
        $content .= "<FS2><center>--在线支付--</center></FS2>";
        $content .= "<FS><center>张周兄弟烧烤</center></FS>";
        $content .= "订单时间:". date("Y-m-d H:i") . "\n";
        $content .= "订单编号:40807050607030\n";
        $content .= str_repeat('*', 14) . "商品" . str_repeat("*", 14);
        $content .= "<table>";
        $content .= "<tr><td>烤土豆(超级辣)</td><td>x3</td><td>5.96</td></tr>";
        $content .= "<tr><td>烤豆干(超级辣)</td><td>x2</td><td>3.88</td></tr>";
        $content .= "<tr><td>烤鸡翅(超级辣)</td><td>x3</td><td>17.96</td></tr>";
        $content .= "<tr><td>烤排骨(香辣)</td><td>x3</td><td>12.44</td></tr>";
        $content .= "<tr><td>烤韭菜(超级辣)</td><td>x3</td><td>8.96</td></tr>";
        $content .= "</table>";
        $content .= str_repeat('.', 32);
        $content .= "<QR>这是二维码内容</QR>";
        $content .= "小计:￥82\n";
        $content .= "折扣:￥４ \n";
        $content .= str_repeat('*', 32);
        $content .= "订单总价:￥78 \n";
        $content .= "<FS2><center>**#1 完**</center></FS2>";

        try{
             $result = $print->index(self::$terminal_no, $content, $serial_number);
             if($result->error){
                self::printerLog("批次：".$serial_number." 打印成失败。".$result->error_description);
              }else{
                self::printerLog("批次：".$serial_number." 打印成功");
              }
        }catch (Exception $e) {
               $result = $e->getMessage();
               self::printerLog("批次：".$serial_number." 打印成失败。".$result);
        }
    }
}