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);
        }

    }

    ///

    /// WebClient上传文件至服务器（不带进度条）
    ///

    /// 要上传的文件（全路径格式）
    /// Web服务器文件夹路径
    /// True/False是否上传成功
    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");

    }

}