formftp.cs

FTP使用

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Net;
using System.Windows.Forms;
using System.IO;
using System.Runtime.InteropServices;
namespace Ftp
{
    public partial class FormFtp : Form
    {
        public FormFtp()
        {
            InitializeComponent();
        }


        //在shell32.dll导入函数SHGetFileInfo
        [DllImport("shell32.dll", EntryPoint = "SHGetFileInfo")]
        public static extern int GetFileInfo(string pszPath, int dwFileAttributes,
            ref FileInfomation psfi, int cbFileInfo, int uFlags);

        //定义SHFILEINFO结构(名字随便起，这里用FileInfomation)
        [StructLayout(LayoutKind.Sequential)]
        public struct FileInfomation
        {
            public IntPtr hIcon;
            public int iIcon;
            public int dwAttributes;

            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
            public string szDisplayName;

            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 80)]
            public string szTypeName;
        }

        //定义文件属性标识
        public enum FileAttributeFlags : int
        {
            FILE_ATTRIBUTE_READONLY = 0x00000001,
            FILE_ATTRIBUTE_HIDDEN = 0x00000002,
            FILE_ATTRIBUTE_SYSTEM = 0x00000004,
            FILE_ATTRIBUTE_DIRECTORY = 0x00000010,
            FILE_ATTRIBUTE_ARCHIVE = 0x00000020,
            FILE_ATTRIBUTE_DEVICE = 0x00000040,
            FILE_ATTRIBUTE_NORMAL = 0x00000080,
            FILE_ATTRIBUTE_TEMPORARY = 0x00000100,
            FILE_ATTRIBUTE_SPARSE_FILE = 0x00000200,
            FILE_ATTRIBUTE_REPARSE_POINT = 0x00000400,
            FILE_ATTRIBUTE_COMPRESSED = 0x00000800,
            FILE_ATTRIBUTE_OFFLINE = 0x00001000,
            FILE_ATTRIBUTE_NOT_CONTENT_INDEXED = 0x00002000,
            FILE_ATTRIBUTE_ENCRYPTED = 0x00004000
        }

        //定义获取资源标识
        public enum GetFileInfoFlags : int
        {
            SHGFI_ICON = 0x000000100,     // get icon
            SHGFI_DISPLAYNAME = 0x000000200,     // get display name
            SHGFI_TYPENAME = 0x000000400,     // get type name
            SHGFI_ATTRIBUTES = 0x000000800,     // get attributes
            SHGFI_ICONLOCATION = 0x000001000,     // get icon location
            SHGFI_EXETYPE = 0x000002000,     // return exe type
            SHGFI_SYSICONINDEX = 0x000004000,     // get system icon index
            SHGFI_LINKOVERLAY = 0x000008000,     // put a link overlay on icon
            SHGFI_SELECTED = 0x000010000,     // show icon in selected state
            SHGFI_ATTR_SPECIFIED = 0x000020000,     // get only specified attributes
            SHGFI_LARGEICON = 0x000000000,     // get large icon
            SHGFI_SMALLICON = 0x000000001,     // get small icon
            SHGFI_OPENICON = 0x000000002,     // get open icon
            SHGFI_SHELLICONSIZE = 0x000000004,     // get shell size icon
            SHGFI_PIDL = 0x000000008,     // pszPath is a pidl
            SHGFI_USEFILEATTRIBUTES = 0x000000010,     // use passed dwFileAttribute
            SHGFI_ADDOVERLAYS = 0x000000020,     // apply the appropriate overlays
            SHGFI_OVERLAYINDEX = 0x000000040      // Get the index of the overlay
        }


        private string GetTypeName(string fileName)
        {
            FileInfomation fileInfo = new FileInfomation();  //初始化FileInfomation结构

            //调用GetFileInfo函数，最后一个参数说明获取的是文件类型(SHGFI_TYPENAME)
            int res = GetFileInfo(fileName, (int)FileAttributeFlags.FILE_ATTRIBUTE_NORMAL,
                ref fileInfo, Marshal.SizeOf(fileInfo), (int)GetFileInfoFlags.SHGFI_TYPENAME);

            return fileInfo.szTypeName;
        }


        private void btnUpLoad_Click(object sender, EventArgs e)
        {
            string sUrl = textBoxUrl.Text;
            string sUser = textBoxUser.Text;
            string sPw = textBoxPw.Text;

            //   int i = FileListBox.Items.Count;

            for (int i = 0; i < FileListBox.Items.Count; i++)
            {
                try
                {
                    FileInfo myFileInfo = new FileInfo(FileListBox.Items[i].ToString());

                  //  string fileTypeName = GetTypeName((string)FileListBox.Items[i].ToString());//文件类型
                    WebClient myWebClient = new WebClient();
                    myWebClient.Credentials = new NetworkCredential(sUser, sPw);
                    myWebClient.UploadFileAsync(new Uri(sUrl + "/" + myFileInfo.Name), (string)FileListBox.Items[i].ToString());
                    myWebClient.Dispose();
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message);
                }

            }
        }

        private void FormFtp_Load(object sender, EventArgs e)
        {
            DiskDriveComboBox.Items.AddRange(Directory.GetLogicalDrives());
        }

        private void DiskDriveComboBox_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (DiskDriveComboBox.SelectedIndex != -1)
            {
                try
                {
                    FileListBox.DataSource = null;
                    DirectoryListBox.DataSource = null;
                    string[] subdirectoryEntries = Directory.GetDirectories((string)DiskDriveComboBox.SelectedItem);
                    DirectoryListBox.DataSource = subdirectoryEntries;
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message);
                    DirectoryListBox.DataSource = null;
                }
            }
        }

        private void DirectoryListBox_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (DirectoryListBox.SelectedIndex != -1)
            {

                try
                {
                    FileListBox.DataSource = Directory.GetFiles((string)DirectoryListBox.SelectedItem);
                }
                catch
                {
                    MessageBox.Show("您没有权限来列示此目录。");
                    return;
                }

            }
        }

        private void button1_Click(object sender, EventArgs e)
        {

            string sUrl = textBoxUrl.Text;
            string sUser = textBoxUser.Text;
            string sPw = textBoxPw.Text;
            FtpWebRequest request = (FtpWebRequest)WebRequest.Create(sUrl);
            request.Credentials = new NetworkCredential(sUser, sPw);
            request.Method = WebRequestMethods.Ftp.ListDirectory;
            try
            {
                FtpWebResponse resp = (FtpWebResponse)request.GetResponse();
                Stream data = resp.GetResponseStream();
                StreamReader reader = new StreamReader(data, Encoding.Default);
                while (reader.Peek() > 0)
                {
                    try
                    {
                        string sData = reader.ReadLine();
                        WebClient myWebClient = new WebClient();
                        myWebClient.BaseAddress = sUrl;
                        myWebClient.Credentials = new NetworkCredential(sUser, sPw);
                        byte[] myDatabuffer = myWebClient.DownloadData(sUrl + "/" + sData);
                        FileStream objStream = new FileStream((string)DirectoryListBox.SelectedItem + "\\" + sData, FileMode.Create, FileAccess.Write);
                        objStream.Write(myDatabuffer, 0, myDatabuffer.Length);
                        objStream.Close();
                        FtpWebRequest request1 = (FtpWebRequest)WebRequest.Create(sUrl + "/" + sData);
                        request1.Credentials = new NetworkCredential(sUser, sPw);
                        request1.Method = WebRequestMethods.Ftp.DownloadFile;

                        myWebClient.Dispose();
                    }
                    catch (Exception e1)
                    {
                        MessageBox.Show(e1.Message);
                    }
                }
                resp.Close();

            }
            catch (Exception e2)
            {
                MessageBox.Show(e2.Message);
            }
            MessageBox.Show("OK");
        }


    }
}