using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Data.SQLite;
using System.IO;
using System.Net;
using System.Reflection;
public class FTPHelper
{

    private static readonly string ftpIp = ConfigurationManager.AppSettings["FtpIp"];
    private static readonly string port = ConfigurationManager.AppSettings["Port"];
    private static readonly string user = ConfigurationManager.AppSettings["User"];
    private static readonly string passWord = ConfigurationManager.AppSettings["PassWord"];
    
    ///// <summary>
    ///// FTP的服务器地址，格式为ftp://192.168.1.234:8021/。
    ///// </summary>
    //private string FTPCONSTR = ConfigurationManager.AppSettings["Test"];
    ///// <summary>
    ///// //FTP服务器的用户名
    ///// </summary>
    //private string FTPUSERNAME { get; set; }
    ///// <summary>
    ///// //FTP服务器的密码
    ///// </summary>
    //private string FTPPASSWORD { get; set; }
    //public FTPHelper(string ip, string username, string password, string port = "21")
    //{
    //    FTPCONSTR = string.Format("{0}://{1}:{2}/", "ftp", ip, port);
    //    FTPUSERNAME = username;
    //    FTPPASSWORD = password;
    //}
    #region 本地文件上传到FTP服务器
    /// <summary>
    /// 上传文件到远程ftp
    /// </summary>
    /// <param name="path">本地的文件目录</param>
    /// <param name="name">文件名称</param>
    /// <returns></returns>
    public bool UploadFile(byte[] data,string fileName)
    {
        //FileInfo f = new FileInfo(path);
        string path = string.Format("{0}://{1}:{2}/", "ftp", ftpIp, port) + fileName;//这个路径是我要传到ftp目录下的这个目录下
        FtpWebRequest reqFtp = (FtpWebRequest)FtpWebRequest.Create(new Uri(path));
        reqFtp.Method = WebRequestMethods.Ftp.UploadFile;
        reqFtp.UsePassive = false;//只需要添加这一句话
        reqFtp.UseBinary = true;
        reqFtp.Credentials = new NetworkCredential(user, passWord);
        reqFtp.KeepAlive = false;
        reqFtp.Method = WebRequestMethods.Ftp.UploadFile;
        reqFtp.ContentLength = data.Length;
        int buffLength = 2048;
        byte[] buff = new byte[buffLength];
        int contentLen;
        //FileStream fs = f.OpenRead();
        try
        {
            Stream strm = reqFtp.GetRequestStream();
            while (data.Length != 0)
            {
                strm.Write(data, 0, data.Length);
            }
            strm.Close();
            return true;
        }
        catch (Exception ex)
        {
            return false;
        }
    }

    #endregion

}