ftp文件上传公共类修改

CallCenterCommon/CallCenter.Utility/FileUp.cs

@@ -1,5 +1,6 @@
 using System;
 using System.IO;
+using System.Net;
 using System.Web;
 using System.Web.UI.WebControls;
 
@@ -137,5 +138,114 @@ namespace CallCenter.Utility
                 fileStream.Close();
             }
         }
+
+
+        /// <summary>
+        /// FTP上传文件
+        /// </summary>
+        /// <param name="fileinfo">需要上传的文件</param>
+        /// <param name="targetDir">目标路径</param>
+        /// <param name="hostname">ftp地址</param>
+        /// <param name="username">ftp用户名</param>
+        /// <param name="password">ftp密码</param>
+        public static string UploadFile(FileInfo fileinfo, string targetDir, string hostname, string username, string password)
+        {
+            //1. check target
+            string target;
+            if (targetDir.Trim() == "")
+            {
+                return "";
+            }
+            target = Guid.NewGuid().ToString();  //使用临时文件名
+
+
+            string URI = "FTP://" + hostname + "/" + targetDir + "/" + target;
+            ///WebClient webcl = new WebClient();
+            System.Net.FtpWebRequest ftp = GetRequest(URI, username, password);
+
+            //设置FTP命令 设置所要执行的FTP命令，
+            //ftp.Method = System.Net.WebRequestMethods.Ftp.ListDirectoryDetails;//假设此处为显示指定路径下的文件列表
+            ftp.Method = System.Net.WebRequestMethods.Ftp.UploadFile;
+            //指定文件传输的数据类型
+            ftp.UseBinary = true;
+            ftp.UsePassive = true;
+
+            //告诉ftp文件大小
+            ftp.ContentLength = fileinfo.Length;
+            //缓冲大小设置为2KB
+            const int BufferSize = 204800;
+            byte[] content = new byte[BufferSize - 1 + 1];
+            int dataRead;
+
+            //打开一个文件流 (System.IO.FileStream) 去读上传的文件
+            using (FileStream fs = fileinfo.OpenRead())
+            {
+                try
+                {
+                    //把上传的文件写入流
+                    using (Stream rs = ftp.GetRequestStream())
+                    {
+                        do
+                        {
+                            //每次读文件流的2KB
+                            dataRead = fs.Read(content, 0, BufferSize);
+                            rs.Write(content, 0, dataRead);
+                        } while (!(dataRead < BufferSize));
+                        rs.Close();
+                    }
+
+                }
+                catch (Exception ex) { }
+                finally
+                {
+                    fs.Close();
+                }
+
+            }
+
+            ftp = null;
+            //设置FTP命令
+            ftp = GetRequest(URI, username, password);
+            ftp.Method = System.Net.WebRequestMethods.Ftp.Rename; //改名
+            ftp.RenameTo = fileinfo.Name;
+            try
+            {
+                ftp.GetResponse();
+                return fileinfo.Name;
+            }
+            catch (Exception ex)
+            {
+                ftp = GetRequest(URI, username, password);
+                ftp.Method = System.Net.WebRequestMethods.Ftp.DeleteFile; //删除
+                ftp.GetResponse();
+                throw ex;
+            }
+            finally
+            {
+                //fileinfo.Delete();
+            }
+
+            // 可以记录一个日志  "上传" + fileinfo.FullName + "上传到" + "FTP://" + hostname + "/" + targetDir + "/" + fileinfo.Name + "成功." );
+            ftp = null;
+
+            #region
+            /*****
+             *FtpWebResponse
+             * ****/
+            //FtpWebResponse ftpWebResponse = (FtpWebResponse)ftp.GetResponse();
+            #endregion 
+        }
+
+
+        private static FtpWebRequest GetRequest(string URI, string username, string password)
+        {
+            //根据服务器信息FtpWebRequest创建类的对象
+            FtpWebRequest result = (FtpWebRequest)FtpWebRequest.Create(URI);
+            //提供身份验证信息
+            result.Credentials = new System.Net.NetworkCredential(username, password);
+            //设置请求完成之后是否保持到FTP服务器的控制连接，默认值为true
+            result.KeepAlive = false;
+            return result;
+        }
     }
 }