操作ftp上传下载代码,Asp.NET代码库,德仔网

代码语言
代码分类
【Asp.NET】操作ftp上传下载
作者:晨曦 / 发布于2018/1/29/ 1098
using System;  
using System.Configuration;  
using System.Data;  
using System.Linq;  
using System.Web;  
using System.Web.Security;  
using System.Web.UI;  
using System.Web.UI.HtmlControls;  
using System.Web.UI.WebControls;  
using System.Web.UI.WebControls.WebParts;  
using System.Xml.Linq;  
using System.IO;  
using System.Net;  
using System.Text;  
  
public partial class Index : System.Web.UI.Page  
{  
    //以下字段配置在web.config  
    private string ftpServerIP = "192.168.1.110";//服务器ip  
    private string ftpUserID = "epi";//用户名FTPTEST  
    private string ftpPassword = "TGY";//密码  
    protected void Page_Load(object sender, EventArgs e)  
    {  
        if (!IsPostBack)  
        {  
        }  
    }  
  
    /// <summary>  
    /// ftp的上传功能  
    /// </summary>  
    /// <param name="filename">上传物理文件路径</param>  
    /// <param name="DireCtoryPath">服务器目录</param>  
    private void Upload(string filename, string DireCtoryPath)  
    {  
        FileInfo fileInf = new FileInfo(filename);  
        string uri = "ftp://" + ftpServerIP + "/" + DireCtoryPath + "/" + fileInf.Name;  
        FtpWebRequest reqFTP;  
  
        // 根据uri创建FtpWebRequest对象   
        reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));  
  
        // ftp用户名和密码  
        reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);  
  
        // 默认为true，连接不会被关闭  
        // 在一个命令之后被执行  
        reqFTP.KeepAlive = false;  
  
        // 指定执行什么命令  
        reqFTP.Method = WebRequestMethods.Ftp.UploadFile;  
  
        // 指定数据传输类型  
        reqFTP.UseBinary = true;  
  
        // 上传文件时通知服务器文件的大小  
        reqFTP.ContentLength = fileInf.Length;  
  
        // 缓冲大小设置为2kb  
        int buffLength = 2048;  
  
        byte[] buff = new byte[buffLength];  
        int contentLen;  
  
        // 打开一个文件流 (System.IO.FileStream) 去读上传的文件  
        FileStream fs = fileInf.OpenRead();  
        try  
        {  
            // 把上传的文件写入流  
            Stream strm = reqFTP.GetRequestStream();  
  
            // 每次读文件流的2kb  
            contentLen = fs.Read(buff, 0, buffLength);  
  
            // 流内容没有结束  
            while (contentLen != 0)  
            {  
                // 把内容从file stream 写入 upload stream  
                strm.Write(buff, 0, contentLen);  
                contentLen = fs.Read(buff, 0, buffLength);  
            }  
  
            // 关闭两个流  
            strm.Close();  
            fs.Close();  
        }  
        catch (Exception ex)  
        {  
            Response.Write("Upload Error：" + ex.Message);  
        }  
    }  
  
  
    /// <summary>  
    /// 从ftp服务器上下载文件的功能  
    /// </summary>  
    /// <param name="filePath">下载到本地路径</param>  
    /// <param name="fileName">服务器文件地址</param>  
    private void Download(string filePath, string directorypath, string fileName)  
    {  
        FtpWebRequest reqFTP;  
  
        try  
        {  
            FileStream outputStream = new FileStream(filePath + "\\" + fileName, FileMode.Create);  
  
            reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp://" + ftpServerIP + "/" + directorypath + "/" + fileName));  
  
            reqFTP.Method = WebRequestMethods.Ftp.DownloadFile;  
  
            reqFTP.UseBinary = true;  
  
            reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);  
  
            FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse();  
  
            Stream ftpStream = response.GetResponseStream();  
  
            long cl = response.ContentLength;  
  
            int bufferSize = 2048;  
  
            int readCount;  
  
            byte[] buffer = new byte[bufferSize];  
  
            readCount = ftpStream.Read(buffer, 0, bufferSize);  
  
            while (readCount > 0)  
            {  
                outputStream.Write(buffer, 0, readCount);  
  
                readCount = ftpStream.Read(buffer, 0, bufferSize);  
            }  
  
            ftpStream.Close();  
  
            outputStream.Close();  
  
            response.Close();  
        }  
        catch (Exception ex)  
        {  
            Response.Write("Download Error：" + ex.Message);  
        }  
    }  
  
    //从ftp服务器上获得文件列表  
    public string[] GetFileList()  
    {  
        string[] downloadFiles;  
        StringBuilder result = new StringBuilder();  
        FtpWebRequest reqFTP;  
        // HttpWebRequest reqFTP;  
        try  
        {  
            reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp://" + ftpServerIP + "/"));  
            reqFTP.UseBinary = true;  
            reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);  
            reqFTP.Method = WebRequestMethods.Ftp.ListDirectory;  
            WebResponse response = reqFTP.GetResponse();  
            StreamReader reader = new StreamReader(response.GetResponseStream());  
            string line = reader.ReadLine();  
            while (line != null)  
            {  
                result.Append(line);  
                result.Append("\n");  
                line = reader.ReadLine();  
            }  
            // to remove the trailing '\n'          
            result.Remove(result.ToString().LastIndexOf('\n'), 1);  
            reader.Close();  
            response.Close();  
            return result.ToString().Split('\n');  
        }  
        catch (Exception ex)  
        {  
            downloadFiles = null;  
            return downloadFiles;  
        }  
    }  
  
    protected void btnUpload_Click(object sender, EventArgs e)  
    {  
        Upload("F:\\最新基类 3.7.6.1.zip", "网站集群");  
    }  
  
    protected void btnDownload_Click(object sender, EventArgs e)  
    {  
        Download("D:\\", "网站集群", "最新基类 3.7.6.1.zip");  
    }  
}
试试其它关键字
同语言下
可能有用的
晨曦贡献的其它代码(11)