C# Webclient 文件远程上传

using System;

using System.Data;

using System.Configuration;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using System.Net;

using System.IO;

public partial class _Default : System.Web.UI.Page

{

    string strServerPath = "http://192.168.1.101/OJSYS"; --------------OJSYS是虚拟目录的名称而不是对应物理目录的文件夹名称

    string strLocalPath = "f:\\";

    protected void Page_Load(object sender, EventArgs e)

    {

    }

    protected void Button1_Click(object sender, EventArgs e)

    {

        string fullname = FileUpload1.FileName.ToString();//直接取得文件名

        string url = FileUpload1.PostedFile.FileName.ToString();//取得上传文件路径

        string typ1 = FileUpload1.PostedFile.ContentType.ToString();//获取文件MIME内容类型

        string typ2 = fullname.Substring(fullname.LastIndexOf(".") + 1);//获取文件名字 . 后面的字符作为文件类型

        if (FileUpload1.HasFile)

        {

            UpLoadFile(strLocalPath + fullname, strServerPath);

        }

    }

    /// <summary>

    /// WebClient上传文件至服务器（不带进度条）

    /// </summary>

    /// <param name="fileNameFullPath">要上传的文件（全路径格式）</param>

    /// <param name="strUrlDirPath">Web服务器文件夹路径</param>

    /// <returns>True/False是否上传成功</returns>

    public bool UpLoadFile(string fileNameFullPath, string strUrlDirPath)

    {

        //得到要上传的文件文件名

        string fileName = fileNameFullPath.Substring(fileNameFullPath.LastIndexOf("\\") + 1);

        //新文件名由年月日时分秒及毫秒组成

        string NewFileName = DateTime.Now.ToString("yyyyMMddhhmmss")

                                    + DateTime.Now.Millisecond.ToString()

                                    + fileNameFullPath.Substring(fileNameFullPath.LastIndexOf("."));

        //得到文件扩展名

        string fileNameExt = fileName.Substring(fileName.LastIndexOf(".") + 1);

        if (strUrlDirPath.EndsWith("/") == false) strUrlDirPath = strUrlDirPath + "/";

        //保存在服务器上时，将文件改名（示业务需要）

        strUrlDirPath = strUrlDirPath + NewFileName;

        // 创建WebClient实例

        WebClient myWebClient = new WebClient();

        myWebClient.Credentials = CredentialCache.DefaultCredentials;

        myWebClient.Headers.Add("User-Agent", "Microsoft Internet Explorer");

        // 将要上传的文件打开读进文件流

        FileStream myFileStream = new FileStream(fileNameFullPath, FileMode.Open, FileAccess.Read);

        BinaryReader myBinaryReader = new BinaryReader(myFileStream);

        try

        {

            byte[] postArray = myBinaryReader.ReadBytes((int)myFileStream.Length);

            //打开远程Web地址，将文件流写入

            Stream postStream = myWebClient.OpenWrite(strUrlDirPath, "PUT");

            if (postStream.CanWrite)

            {

                postStream.Write(postArray, 0, postArray.Length);

            }

            else

            {

                //MessageBox.Show("Web服务器文件目前不可写入，请检查Web服务器目录权限设置！","系统提示",MessageBoxButtons.OK,MessageBoxIcon.Information);

            }

            postStream.Close();//关闭流

            return true;

        }

        catch (Exception exp)

        {

            //MessageBox.Show("文件上传失败：" + exp.Message, "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Information);

            return false;

        }

    }

 

//===============================================================================================================

    public void downloadfile()

    {

        if (webClient.IsBusy)//是否存在正在进行中的Web请求

        {

            webClient.CancelAsync();

        }

        //为webClient添加事件

        webClient.DownloadProgressChanged += new DownloadProgressChangedEventHandler(webClient_DownloadProgressChanged);

        webClient.DownloadFileCompleted += new AsyncCompletedEventHandler(webClient_DownloadFileCompleted);

        //开始下载

        webClient.DownloadFileAsync(new Uri(this.textBox1.Text), "aa.rar");

    }

}