using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Net;using System.IO;using ServiceStack.Text;namespace WeiXin.Core{    public class TFSHelper    {        private const int TIME_OUT = 30000;        public class ReponseInfo        {            public string TFS_FILE_NAME { get; set; }        }        /// <summary>        /// 保存图片        /// </summary>        /// <param name="url">请求的接口</param>        /// <param name="data">字节数组形式的pic信息</param>        /// <returns>图片文件名称</returns>        public static string Save(string url, byte[] data)        {            string result = null;            HttpWebRequest request = null;            HttpWebResponse response = null;            Stream writer = null;            Stream reader = null;            StreamReader sr = null;            try            {                request = (HttpWebRequest)WebRequest.Create(url);                request.Date = DateTime.Now;                request.Timeout = TIME_OUT;                request.Method = "POST";                using (writer = request.GetRequestStream())                {                    writer.Write(data, 0, data.Length);                }            }            catch (Exception ex)            {                throw new Exception("TFS存文件发送请求失败，原因：" + ex.Message);            }            finally            {                if (writer != null)                {                    writer.Close();                }            }            try            {                response = (HttpWebResponse)request.GetResponse();                if (response.StatusCode == HttpStatusCode.OK)                {                    using (reader = response.GetResponseStream())                    {                        if (reader != null) sr = new StreamReader(reader, Encoding.GetEncoding("UTF-8"));                        if (sr != null) result = sr.ReadToEnd();                    }                }            }            catch (Exception ex)            {                throw new Exception("TFS存文件接收数据失败，原因：" + ex.Message);            }            finally            {                if (sr != null)                {                    sr.Close();                }                if (reader != null)                {                    reader.Close();                }                if (response != null)                {                    response.Close();                }            }            if (!string.IsNullOrEmpty(result))            {                result = result.FromJson<ReponseInfo>().TFS_FILE_NAME;//从响应的json字符串中获取到值            }            return result;        }        /// <summary>        /// 获取图片        /// </summary>        /// <param name="url">请求的接口</param>        /// <param name="imgName">图片名称</param>        /// <returns>字节数组类型的pic信息</returns>        public static byte[] Take(string url, string imgName)        {            HttpWebRequest request = null;            HttpWebResponse response = null;            Stream reader = null;            url = url + "/" + imgName;            try            {                request = (HttpWebRequest)WebRequest.Create(url);                request.Date = DateTime.Now;                request.Timeout = TIME_OUT;                request.Method = "GET";                                //using (StreamWriter writer = new StreamWriter(request.GetRequestStream()))                //{                //    writer.Write(imgName);                //}            }            catch (Exception ex)            {                throw new Exception("TFS取文件发送请求失败，原因：" + ex.Message);            }            try            {                response = (HttpWebResponse)request.GetResponse();                if (response.StatusCode == HttpStatusCode.OK)                {                    using (reader = response.GetResponseStream())                    {                        MemoryStream ms = new MemoryStream();                        reader.CopyTo(ms);                        return ms.ToArray();                    }                }            }            catch (Exception ex)            {                throw new Exception("TFS取文件接受数据失败，原因：" + ex.Message);            }            finally            {                if (reader != null)                {                    reader.Close();                }                if (response != null)                {                    response.Close();                }            }            return null;        }        /// <summary>        /// 删除tfs文件        /// </summary>        /// <param name="url">请求的接口</param>        /// <returns>删除是否成功</returns>        public static bool Delete(string url)        {            bool result = false;            HttpWebRequest request = null;            HttpWebResponse response = null;            try            {                request = WebRequest.Create(url) as HttpWebRequest;                request.Date = DateTime.Now;                request.Timeout = TIME_OUT;                request.Method = "DELETE";            }            catch (Exception ex)            {                throw new Exception("TFS删除文件发送请求失败，原因：" + ex.Message);            }            try            {                response = request.GetResponse() as HttpWebResponse;                if (response.StatusCode == HttpStatusCode.OK)                {                    result = true;                }            }            catch (Exception ex)            {                throw new Exception("TFS删除文件接受数据失败，原因：" + ex.Message);            }            finally            {                if (response != null)                {                    response.Close();                }            }            return result;        }    }}