ScanClient/code/HXX.Scanner.Biz/usb/biz_usb.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.Configuration;

using SqlSugar;
using HXX.Scanner.Database;

namespace HXX.Scanner.Biz
{
    /// <summary>
    /// 扫描仪usb使用情况
    /// </summary>
    public class biz_usb
    {
        /// <summary>
        /// usb识别码备选列表
        /// </summary>
        private static List<string> vid_list = new List<string>()
        {
            "vid_04da","vid_1083","vid_04a9","vid_040a","vid_29cc","vid_04c5","vid_0638","vid_1402","vid_05da","vid_04b8","vid_3072","vid_064b","vid_3072","vid_03f0"
        };

        /// <summary>
        /// 获取已经插到usb的扫描仪列表
        /// </summary>
        /// <returns></returns>
        public static List<string> get_active()
        {
            var list = USB.AllPnPEntities;

            var list2 = list.Where(x => vid_list.Exists(y => x.PNPDeviceID.ToLower().Contains(y))).ToList();

            var result = list2.Select(x => x.Name).ToList();

            return result;
        }
    }
}