WinCE上将文件上传至FTP服务器

上传代码如下：

public class Upload : Uploadable

{

[DllImport("wininet.dll")]

private static extern int InternetOpen(string lpszCallerName, int dwAccessType, string lpszProxyName, string lpszProxyBypass, int dwFlags);

[DllImport("wininet.dll")]

private static extern int InternetConnect(int hInternetSession, string lpszServerName, int nProxyPort, string lpszUsername, string lpszPassword, int dwService, int dwFlags, int dwContext);

[DllImport("wininet.dll", CharSet = CharSet.Auto)] //CharSet.Ansi

private static extern bool InternetWriteFile(IntPtr hFile, byte[] lpBuffer, UInt32 dwNumberOfBytesToWrite, ref Int32 lpdwNumberOfBytesWritten);

[DllImport("wininet.dll", CharSet = CharSet.Auto)] //CharSet.Ansi

private static extern int FtpOpenFile(int hConnect, string lpszFileName, ACCESS_TYPE_FOR_FILE dwAccess, ACCESS_TYPE_FOR_TRANSFER dwFlags, UInt32 dwContext);

[DllImport("wininet.dll")]

private static extern int InternetCloseHandle(int hInet);

// These are the generic rights.

private enum ACCESS_TYPE_FOR_FILE : uint

{

GENERIC_READ = 0x80000000,

GENERIC_WRITE = 0x40000000,

GENERIC_EXECUTE = 0x20000000,

GENERIC_ALL = 0x10000000

};

// FTP manifests

private enum ACCESS_TYPE_FOR_TRANSFER

{

FTP_TRANSFER_TYPE_UNKNOWN = 0x00000000,

FTP_TRANSFER_TYPE_ASCII = 0x00000001,

FTP_TRANSFER_TYPE_BINARY = 0x00000002

};

/// <summary>

/// 上传文件（ftp）

/// </summary>

/// <param name="filename">须要上传的文件所在路径</param>

/// <param name="ftpUpFullName">上传文件在FTP上的保存路径和名称</param>

/// <param name="ftpURI">ftp地址</param>

/// <param name="ftpPort">ftp端口</param>

/// <param name="ftpUserID">ftp用户名</param>

/// <param name="ftpPassword">ftp密码</param>

public bool UploadFile(string filename, string ftpUpFullName, string ftpURI, string ftpPort,string ftpUserID, string ftpPassword)

{

try

{

//检查本地文件是否存在

if (File.Exists(filename) == false)

{

return false;

}

//初始FTP连接

int lnghInet = InternetOpen("FtpOperator", 1, null, null, 0);

//连接FTP

int lnghConnect = InternetConnect(lnghInet, ftpURI, Convert.ToInt32(ftpPort), ftpUserID, ftpPassword, 1, 0, 0);

//打开ftp的文件

int hOpen = FtpOpenFile(lnghConnect, ftpUpFullName, ACCESS_TYPE_FOR_FILE.GENERIC_WRITE, ACCESS_TYPE_FOR_TRANSFER.FTP_TRANSFER_TYPE_BINARY, 0);

//读取本地文件到Buf

UInt32 idwNumberOfBytesToWrite = 0;

int ilpdwNumberOfBytesWritte = -1;

FileStream fs2 = new FileStream(@filename, FileMode.Open, FileAccess.Read, FileShare.Read);

idwNumberOfBytesToWrite = (UInt32)fs2.Length;

byte[] dataByte = new byte[idwNumberOfBytesToWrite];

fs2.Read(dataByte, 0, (int)idwNumberOfBytesToWrite);

fs2.Close();

//1、申请一段非托管的内存空间

//IntPtr hglobal = System.Runtime.InteropServices.Marshal.AllocHGlobal(dataByte.Length);

//2、将数据byte[]复制到这段内存空间

//System.Runtime.InteropServices.Marshal.Copy(dataByte, 0, hglobal, dataByte.Length);

//文件上传

bool ret = InternetWriteFile((IntPtr)hOpen, dataByte, idwNumberOfBytesToWrite, ref ilpdwNumberOfBytesWritte);

//long ret = APIs.FtpPutFile(lnghConnect, localFileFullName, ftpUpFullName, 0x80000000, 0);

//上传结果的判断

if (ret == false)

{

return false;

}

//关闭FTP的连接

InternetCloseHandle(lnghInet);

InternetCloseHandle(lnghConnect);

}

catch

{

return false;

}

//返回结果

return true;

}

}

参考：/article/2033674.html