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("\\") + );

            string NewFileName = fileName;

            if (IsAutoRename)

            {

                NewFileName = DateTime.Now.ToString("yyMMddhhmmss") + DateTime.Now.Millisecond.ToString() + fileNamePath.Substring(fileNamePath.LastIndexOf("."));

            }

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

            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, , 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("\\") + );  //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, , (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");

            }

        }

    }

}