问：通常一个网站程序发布在一个iis服务器上，但是如果要分布式部署网站。文件系统该如何存储呢？
答：通常的就是给网站文件系统一个子域名。比如 https：//images.web.com. 网站程序内部通过代码调用ftp服务器-每次用户上传文件直接上传到相应imags域名对应的目录。
问：如果网站的图片，文件部署在子域名 网站该如何调用呢？
答：在视图模板里面 直接读取配置的images 域名 程序如下。。。
public class AppConfig { /// <summary> /// 上传文件存放文件夹 /// </summary> public static string FileSaveBasePath = ConfigurationManager.AppSettings["FileSaveBasePath"].ToString(); /// <summary> /// ftpip /// </summary> public static string FtpServerIP = ConfigurationManager.AppSettings["FtpServerIP"].ToString(); /// <summary> /// ftp登陆名 /// </summary> public static string FtpUserId = ConfigurationManager.AppSettings["FtpUserId"].ToString(); /// <summary> /// ftp登陆密码 /// </summary> public static string FtpPassword = ConfigurationManager.AppSettings["FtpPassword"].ToString(); /// <summary> /// ftp上html的基础路径 /// </summary> public static string FtpHtmlBasePath = ConfigurationManager.AppSettings["FtpHtmlBasePath"].ToString(); /// <summary> /// ftp上file的基础路径 /// </summary> public static string FtpFileBasePath = ConfigurationManager.AppSettings["FtpFileBasePath"].ToString(); /// <summary> /// 是否需要ftp上传 /// </summary> public static bool FtpUpload { get { bool flag = false; if (bool.TryParse(ConfigurationManager.AppSettings["FtpUpload"].ToString(), out flag)) return flag; else return false; } } }
/// <summary> /// 创建图片文件 /// </summary> /// <param name="btImage">图片二进制字符串</param> /// <param name="imageName">文件相对路径+文件名</param> /// <returns></returns> public bool CreateFileImage(byte[] image, string readPath) { if (image == null) return false; try { bool flag = true; string errorinfo = string.Empty; isCreateDir(path + readPath); System.IO.File.WriteAllBytes(path + readPath, image); Loger.Info(string.Format("方法名：{0}，创建图片文件成功，文件路径:{1}", "CreateFileImage", path + readPath)); //ftp上传操作 flag = FtpUpload(path + readPath, readPath, AppConfig.FtpFileBasePath, out errorinfo); return flag; } catch (Exception ex) { Loger.Info(string.Format("方法名：{0}，创建图片文件失败!", "CreateFileImage")); Loger.Error(ex); return false; } }
public bool FtpUpload(string fileLocalPath, string filePath, string fileFtpPath, out string errorInfo) { bool flag = true; errorInfo = string.Empty; if (AppConfig.FtpUpload) { FtpHelper ftp = new FtpHelper(); ftp.FtpUpDown(AppConfig.FtpServerIP, AppConfig.FtpUserId, AppConfig.FtpPassword); string directory = FileHelper.GetFileDirectory(filePath);//获取该文件的文件路径结构 if (!string.IsNullOrEmpty(directory) && directory != "/" && directory != "\") { //ftp.MakeDir(fileFtpPath + directory); directory = directory.TrimStart('/').TrimEnd('/'); string[] dirs = directory.Split('/'); string ftpCreateDir = fileFtpPath; //创建ftp目录，目前只能一级一级创建 for (int i = 0; i < dirs.Length; i++) { ftpCreateDir += "/" + dirs[i] + "/"; ftp.MakeDir(ftpCreateDir); } } flag = ftp.Upload(fileLocalPath, fileFtpPath + filePath, out errorInfo); if (flag) Loger.Info(string.Format("上传ftp文件成功，文件路径:{0},{1}", fileFtpPath + filePath, errorInfo)); else Loger.Warn(string.Format("上传ftp文件失败，文件路径:{0},{1}", fileFtpPath + filePath, errorInfo)); } return flag; }
public class FtpHelper { string ftpServerIP; string ftpUserID; string ftpPassword; FtpWebRequest reqFTP; //public void Connecttest(string ftpServerIP, string ftpUserID, string ftpPassword) //{ // // 根据uri创建FtpWebRequest对象 // reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp://" + ftpServerIP)); // // 指定数据传输类型 // reqFTP.UseBinary = true; // // ftp用户名和密码 // reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword); //} #region 连接 /// <summary> /// 连接 /// </summary> /// <param name="path"></param> private void Connect(String path)//连接ftp { // 根据uri创建FtpWebRequest对象 reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(path)); // 指定数据传输类型 reqFTP.UseBinary = true; // ftp用户名和密码 reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword); } #endregion #region ftp登录信息 /// <summary> /// ftp登录信息 /// </summary> /// <param name="ftpServerIP">ftpServerIP</param> /// <param name="ftpUserID">ftpUserID</param> /// <param name="ftpPassword">ftpPassword</param> public void FtpUpDown(string ftpServerIP, string ftpUserID, string ftpPassword) { this.ftpServerIP = ftpServerIP; this.ftpUserID = ftpUserID; this.ftpPassword = ftpPassword; } #endregion #region 获取文件列表 /// <summary> /// 获取文件列表 /// </summary> /// <param name="path"></param> /// <param name="WRMethods"></param> /// <returns></returns> private string[] GetFileList(string path, string WRMethods)//上面的代码示例了如何从ftp服务器上获得文件列表 { string[] downloadFiles; StringBuilder result = new StringBuilder(); try { Connect(path); reqFTP.Method = WRMethods; WebResponse response = reqFTP.GetResponse(); StreamReader reader = new StreamReader(response.GetResponseStream(), System.Text.Encoding.UTF8);//中文文件名 string line = reader.ReadLine(); while (line != null) { result.Append(line); result.Append(" "); line = reader.ReadLine(); } // to remove the trailing ' ' int lastIndex = result.ToString().LastIndexOf(' '); if (lastIndex > -1) result.Remove(lastIndex, 1); reader.Close(); response.Close(); return result.ToString().Split(' '); } catch (Exception ex) { //System.Windows.Forms.MessageBox.Show(ex.Message); Loger.Error(ex); downloadFiles = null; return downloadFiles; } } public string[] GetFileList(string path)//上面的代码示例了如何从ftp服务器上获得文件列表 { return GetFileList("ftp://" + ftpServerIP + "/" + path, WebRequestMethods.Ftp.ListDirectory); } public string[] GetFileList()//上面的代码示例了如何从ftp服务器上获得文件列表 { return GetFileList("ftp://" + ftpServerIP + "/", WebRequestMethods.Ftp.ListDirectory); } #endregion #region 上传文件 /// <summary> /// 上传文件 /// </summary> /// <param name="filename"></param> public bool Upload(string filename, string path, out string errorinfo) //上面的代码实现了从ftp服务器上载文件的功能 { path = path.Replace("\", "/"); FileInfo fileInf = new FileInfo(filename); string a = fileInf.Directory.Name; string uri = "ftp://" + ftpServerIP + "/" + path; Connect(uri);//连接 // 默认为true，连接不会被关闭 // 在一个命令之后被执行 reqFTP.KeepAlive = false; // 指定执行什么命令 reqFTP.Method = WebRequestMethods.Ftp.UploadFile; // 上传文件时通知服务器文件的大小 reqFTP.ContentLength = fileInf.Length; // 缓冲大小设置为kb int buffLength = 2048; byte[] buff = new byte[buffLength]; int contentLen; // 打开一个文件流(System.IO.FileStream) 去读上传的文件 FileStream fs = fileInf.OpenRead(); try { // 把上传的文件写入流 Stream strm = reqFTP.GetRequestStream(); // 每次读文件流的kb contentLen = fs.Read(buff, 0, buffLength); // 流内容没有结束 while (contentLen != 0) { // 把内容从file stream 写入upload stream strm.Write(buff, 0, contentLen); contentLen = fs.Read(buff, 0, buffLength); } // 关闭两个流 strm.Close(); fs.Close(); errorinfo = "完成"; return true; } catch (Exception ex) { errorinfo = string.Format("因{0},无法完成上传", ex.Message); return false; } } #endregion #region 续传文件 /// <summary> /// 续传文件 /// </summary> /// <param name="filename"></param> public bool Upload(string filename, long size, string path, out string errorinfo) //上面的代码实现了从ftp服务器上载文件的功能 { path = path.Replace("\", "/"); FileInfo fileInf = new FileInfo(filename); //string uri = "ftp://" + path + "/" + fileInf.Name; string uri = "ftp://" + path; Connect(uri);//连接 // 默认为true，连接不会被关闭 // 在一个命令之后被执行 reqFTP.KeepAlive = false; // 指定执行什么命令 reqFTP.Method = WebRequestMethods.Ftp.AppendFile; // 上传文件时通知服务器文件的大小 reqFTP.ContentLength = fileInf.Length; // 缓冲大小设置为kb int buffLength = 2048; byte[] buff = new byte[buffLength]; int contentLen; // 打开一个文件流(System.IO.FileStream) 去读上传的文件 FileStream fs = fileInf.OpenRead(); try { StreamReader dsad = new StreamReader(fs); fs.Seek(size, SeekOrigin.Begin); // 把上传的文件写入流 Stream strm = reqFTP.GetRequestStream(); // 每次读文件流的kb contentLen = fs.Read(buff, 0, buffLength); // 流内容没有结束 while (contentLen != 0) { // 把内容从file stream 写入upload stream strm.Write(buff, 0, contentLen); contentLen = fs.Read(buff, 0, buffLength); } // 关闭两个流 strm.Close(); fs.Close(); errorinfo = "完成"; return true; } catch (Exception ex) { errorinfo = string.Format("因{0},无法完成上传", ex.Message); return false; } } #endregion #region 下载文件 /// <summary> /// 下载文件 /// </summary> /// <param name="filePath"></param> /// <param name="fileName"></param> /// <param name="errorinfo"></param> /// <returns></returns> public bool Download(string ftpfilepath, string filePath, string fileName, out string errorinfo)////上面的代码实现了从ftp服务器下载文件的功能 { try { filePath = filePath.Replace("我的电脑\", ""); String onlyFileName = Path.GetFileName(fileName); string newFileName = filePath + onlyFileName; if (File.Exists(newFileName)) { errorinfo = string.Format("本地文件{0}已存在,无法下载", newFileName); return false; } ftpfilepath = ftpfilepath.Replace("\", "/"); string url = "ftp://" + ftpfilepath; Connect(url);//连接 reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword); FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse(); Stream ftpStream = response.GetResponseStream(); long cl = response.ContentLength; int bufferSize = 2048; int readCount; byte[] buffer = new byte[bufferSize]; readCount = ftpStream.Read(buffer, 0, bufferSize); FileStream outputStream = new FileStream(newFileName, FileMode.Create); while (readCount > 0) { outputStream.Write(buffer, 0, readCount); readCount = ftpStream.Read(buffer, 0, bufferSize); } ftpStream.Close(); outputStream.Close(); response.Close(); errorinfo = ""; return true; } catch (Exception ex) { errorinfo = string.Format("因{0},无法下载", ex.Message); return false; } } #endregion #region 删除文件 /// <summary> /// 删除文件 /// </summary> /// <param name="fileName"></param> public void DeleteFileName(string fileName) { try { FileInfo fileInf = new FileInfo(fileName); string uri = "ftp://" + ftpServerIP + "/" + fileInf.Name; Connect(uri);//连接 // 默认为true，连接不会被关闭 // 在一个命令之后被执行 reqFTP.KeepAlive = false; // 指定执行什么命令 reqFTP.Method = WebRequestMethods.Ftp.DeleteFile; FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse(); response.Close(); } catch (Exception ex) { //MessageBox.Show(ex.Message, "删除错误"); } } #endregion #region 在ftp上创建目录 /// <summary> /// 在ftp上创建目录 /// </summary> /// <param name="dirName"></param> public void MakeDir(string dirName) { try { string uri = "ftp://" + ftpServerIP +"/" + dirName; Connect(uri);//连接 reqFTP.Method = WebRequestMethods.Ftp.MakeDirectory; FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse(); response.Close(); } catch (Exception ex) { //不输出异常，目前ftp只支持多级目录的一层层创建 //Loger.Debug(ex); } } #endregion #region 删除ftp上目录 /// <summary> /// 删除ftp上目录 /// </summary> /// <param name="dirName"></param> public void delDir(string dirName) { try { string uri = "ftp://" + ftpServerIP + "/" + dirName; Connect(uri);//连接 reqFTP.Method = WebRequestMethods.Ftp.RemoveDirectory; FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse(); response.Close(); } catch (Exception ex) { // MessageBox.Show(ex.Message); } } #endregion #region 获得ftp上文件大小 /// <summary> /// 获得ftp上文件大小 /// </summary> /// <param name="filename"></param> /// <returns></returns> public long GetFileSize(string filename) { long fileSize = 0; filename = filename.Replace("\", "/"); try { // FileInfo fileInf = new FileInfo(filename); //string uri1 = "ftp://" + ftpServerIP + "/" + fileInf.Name; // string uri = filename; string uri = "ftp://" + filename; Connect(uri);//连接 reqFTP.Method = WebRequestMethods.Ftp.GetFileSize; FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse(); fileSize = response.ContentLength; response.Close(); } catch (Exception ex) { // MessageBox.Show(ex.Message); } return fileSize; } #endregion #region ftp上文件改名 /// <summary> /// ftp上文件改名 /// </summary> /// <param name="currentFilename"></param> /// <param name="newFilename"></param> public void Rename(string currentFilename, string newFilename) { try { FileInfo fileInf = new FileInfo(currentFilename); string uri = "ftp://" + ftpServerIP + "/" + fileInf.Name; Connect(uri);//连接 reqFTP.Method = WebRequestMethods.Ftp.Rename; reqFTP.RenameTo = newFilename; FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse(); //Stream ftpStream = response.GetResponseStream(); //ftpStream.Close(); response.Close(); } catch (Exception ex) { // MessageBox.Show(ex.Message); } } #endregion #region 获得文件明晰 /// <summary> /// 获得文件明晰 /// </summary> /// <returns></returns> public string[] GetFilesDetailList() { return GetFileList("ftp://" + ftpServerIP + "/", WebRequestMethods.Ftp.ListDirectoryDetails); } /// <summary> /// 获得文件明晰 /// </summary> /// <param name="path"></param> /// <returns></returns> public string[] GetFilesDetailList(string path) { path = path.Replace("\", "/"); return GetFileList("ftp://" + path, WebRequestMethods.Ftp.ListDirectoryDetails); } #endregion }
在webconfig里面 直接配置如下就能使用了。。直接源码提供。。O(∩_∩)O哈哈~
<add key="FileSaveBasePath" value="D:webContent" />
<add key="FtpUpload" value="false"/>
<add key="FtpServerIP" value="127.0.0.1"/>
<add key="FtpUserId" value="settingftp"/>
<add key="FtpPassword" value="/psw"/>
<add key="FtpHtmlBasePath" value=""/>
<add key="FtpFileBasePath" value="test"/>