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   源码介绍

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工作中用到winform上传文件（-_-!，很少用winform，搞了半天）
碰到一点问题，解决如下
1、501 为实现错误
解决方法：
先把IISWEB服务扩展中的WebDev打开
然后
IIS站点添加MIME  txt类型 常见的MIME类型如下
超文本标记语言文本 .html,.html text/html
普通文本 .txt text/plain
RTF文本 .rtf application/rtf
GIF图形 .gif image/gif
JPEG图形 .ipeg,.jpg image/jpeg
au声音文件 .au audio/basic
MIDI音乐文件 mid,.midi audio/midi,audio/x-midi
RealAudio音乐文件 .ra, .ram audio/x-pn-realaudio
MPEG文件 .mpg,.mpeg video/mpeg
AVI文件 .avi video/x-msvideo
GZIP文件 .gz application/x-gzip
TAR文件 .tar application/x-tar
再然后
设置目标文件夹的可写性

using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.IO;
namespace Common
{
    /// <summary>
    /// winform形式的文件传输类
    /// </summary>
    public class WinFileTransporter
    {
        /// <summary>
        /// WebClient上传文件至服务器，默认不自动改名
        /// </summary>
        /// <param name="fileNamePath">文件名，全路径格式</param>
        /// <param name="uriString">服务器文件夹路径</param>
        public void UpLoadFile(string fileNamePath, string uriString)
        {
            UpLoadFile(fileNamePath, uriString, false);
        }
        /// <summary>
        /// WebClient上传文件至服务器
        /// </summary>
        /// <param name="fileNamePath">文件名，全路径格式</param>
        /// <param name="uriString">服务器文件夹路径</param>
        /// <param name="IsAutoRename">是否自动按照时间重命名</param>
        public void UpLoadFile(string fileNamePath, string uriString, bool IsAutoRename)
        {
            string fileName = fileNamePath.Substring(fileNamePath.LastIndexOf("\\") 1);
            string NewFileName = fileName;
            if (IsAutoRename)
            {
                NewFileName = DateTime.Now.ToString("yyMMddhhmmss") DateTime.Now.Millisecond.ToString() fileNamePath.Substring(fileNamePath.LastIndexOf("."));
            }
            string fileNameExt = fileName.Substring(fileName.LastIndexOf(".") 1);
            if (uriString.EndsWith("/") == false) uriString = uriString "/";
            uriString = uriString NewFileName;
            Utility.LogWriter log = new Utility.LogWriter();
            //log.AddLog(uriString, "Log");
            //log.AddLog(fileNamePath, "Log");
           
            /// 创建WebClient实例
            WebClient myWebClient = new WebClient();
            myWebClient.Credentials = CredentialCache.DefaultCredentials;
            // 要上传的文件
            FileStream fs = new FileStream(fileNamePath, FileMode.Open, FileAccess.Read);
            //FileStream fs = OpenFile();
            BinaryReader r = new BinaryReader(fs);
            byte[] postArray = r.ReadBytes((int)fs.Length);
            Stream postStream = myWebClient.OpenWrite(uriString, "PUT");

            try
            {
                //使用UploadFile方法可以用下面的格式
                //myWebClient.UploadFile(uriString,"PUT",fileNamePath);

                if (postStream.CanWrite)
                {
                    postStream.Write(postArray, 0, postArray.Length);
                    postStream.Close();
                    fs.Dispose();
                    log.AddLog("上传日志文件成功！", "Log");
                }
                else
                {
                    postStream.Close();
                    fs.Dispose();
                    log.AddLog("上传日志文件失败，文件不可写！", "Log");
                }
            }
            catch (Exception err)
            {
                postStream.Close();
                fs.Dispose();
                //Utility.LogWriter log = new Utility.LogWriter();
                log.AddLog(err, "上传日志文件异常！", "Log");
                throw err;
            }
            finally
            {
                postStream.Close();
                fs.Dispose();
            }
        }

       
        /// <summary>
        /// 下载服务器文件至客户端
        /// </summary>
        /// <param name="URL">被下载的文件地址，绝对路径</param>
        /// <param name="Dir">另存放的目录</param>
        public void Download(string URL, string Dir)
        {
            WebClient client = new WebClient();
            string fileName = URL.Substring(URL.LastIndexOf("\\") 1);  //被下载的文件名
            string Path = Dir fileName;   //另存为的绝对路径＋文件名
            Utility.LogWriter log = new Utility.LogWriter();
            try
            {
                WebRequest myre = WebRequest.Create(URL);
            }
            catch (Exception err)
            {
                //MessageBox.Show(exp.Message,"Error");
                log.AddLog(err, "下载日志文件异常！", "Log");
            }
            try
            {
                client.DownloadFile(URL, fileName);
                FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
                BinaryReader r = new BinaryReader(fs);
                byte[] mbyte = r.ReadBytes((int)fs.Length);
                FileStream fstr = new FileStream(Path, FileMode.OpenOrCreate, FileAccess.Write);
                fstr.Write(mbyte, 0, (int)fs.Length);
                fstr.Close();
            }
            catch (Exception err)
            {
                //MessageBox.Show(exp.Message,"Error");
                log.AddLog(err, "下载日志文件异常！", "Log");
            }
        }
    }
}