chf_ccs_httpserver/IMCS_CCS/Utils/DeviceProtocol/DeviceFtp.cs

using FTP;
using Microsoft.Extensions.Configuration;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Threading.Tasks;

namespace IMCS_CCS.Utils.DeviceProtocol
{
    public class DeviceFtp
    {
        public DeviceFtp(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        public DeviceFtp()
        {  
           
        }
        public FtpClient Connect(string url, string user, string pwd)
        {
            FtpClient.FtpMode mode = FtpClient.FtpMode.Passive;

            FtpClient ftpClient = new FtpClient(url, "/",
                   user, pwd, 21, mode);
            ftpClient.Connect();
            return ftpClient;
        }
        public void GetFile(string FileName, string LocalPath)
        {
            string url = Configuration.GetConnectionString("FTPServer");
            string user = Configuration.GetConnectionString("FTPUser");
            string pwd = Configuration.GetConnectionString("FTPPwd");
            FtpClient.FtpMode mode = FtpClient.FtpMode.Passive;
            mode = FtpClient.FtpMode.Passive;

            FtpClient ftpClient = new FtpClient(url, "/",
                   user, pwd, 21, mode);
            ftpClient.Connect(); 
            ftpClient.Get(FileName, LocalPath, FileName);
            ftpClient.DisConnect();
        }

    }
}