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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Net;
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using System.IO;
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using System.Globalization;
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using System.Text.RegularExpressions;
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namespace DSWeb.EntityDA
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{
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/// <summary>
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/// FTP处理操作类
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/// 功能：
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/// 下载文件
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/// 上传文件
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/// 上传文件的进度信息
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/// 下载文件的进度信息
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/// 删除文件
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/// 列出文件
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/// 列出目录
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/// 进入子目录
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/// 退出当前目录返回上一层目录
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/// 判断远程文件是否存在
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/// 判断远程文件是否存在
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/// 删除远程文件
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/// 建立目录
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/// 删除目录
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/// 文件（目录）改名
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#region 文件信息结构
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public struct FileStruct
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{
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public string Flags;
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public string Owner;
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public string Group;
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public bool IsDirectory;
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public DateTime CreateTime;
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public string Name;
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}
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public enum FileListStyle
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{
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UnixStyle,
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WindowsStyle,
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Unknown
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}
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#endregion
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public class FTPDA
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{
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#region 属性信息
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/// <summary>
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/// FTP请求对象
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/// </summary>
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FtpWebRequest Request = null;
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/// <summary>
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/// FTP响应对象
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/// </summary>
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FtpWebResponse Response = null;
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/// <summary>
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/// FTP服务器地址
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/// </summary>
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private Uri _Uri;
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/// <summary>
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/// FTP服务器地址
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/// </summary>
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public Uri Uri
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{
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get
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{
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if( _DirectoryPath == "/" )
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{
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return _Uri;
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}
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else
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{
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string strUri = _Uri.ToString();
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if( strUri.EndsWith( "/" ) )
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{
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strUri = strUri.Substring( 0, strUri.Length - 1 );
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}
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return new Uri( strUri + this.DirectoryPath );
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}
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}
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set
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{
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if( value.Scheme != Uri.UriSchemeFtp )
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{
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//throw new Exception( "Ftp 地址格式错误!" );
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ErrorMsg = "Ftp 地址格式错误！";
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return;
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}
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_Uri = new Uri( value.GetLeftPart( UriPartial.Authority ) );
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_DirectoryPath = value.AbsolutePath;
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if( !_DirectoryPath.EndsWith( "/" ) )
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{
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_DirectoryPath += "/";
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}
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}
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}
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/// <summary>
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/// 当前工作目录
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/// </summary>
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private string _DirectoryPath;
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/// <summary>
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/// 当前工作目录
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/// </summary>
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public string DirectoryPath
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{
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get
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{
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return _DirectoryPath;
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}
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set
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{
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_DirectoryPath = value;
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}
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}
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/// <summary>
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/// FTP登录用户
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/// </summary>
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private string _UserName;
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/// <summary>
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/// FTP登录用户
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/// </summary>
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public string UserName
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{
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get
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{
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return _UserName;
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}
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set
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{
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_UserName = value;
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}
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}
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/// <summary>
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/// 错误信息
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/// </summary>
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private string _ErrorMsg;
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/// <summary>
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/// 错误信息
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/// </summary>
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public string ErrorMsg
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{
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get
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{
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return _ErrorMsg;
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}
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set
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{
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_ErrorMsg = value;
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}
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}
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/// <summary>
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/// FTP登录密码
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/// </summary>
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private string _Password;
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/// <summary>
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/// FTP登录密码
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/// </summary>
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public string Password
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{
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get
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{
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return _Password;
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}
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set
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{
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_Password = value;
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}
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}
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/// <summary>
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/// 连接FTP服务器的代理服务
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/// </summary>
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private WebProxy _Proxy = null;
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/// <summary>
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/// 连接FTP服务器的代理服务
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/// </summary>
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public WebProxy Proxy
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{
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get
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{
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return _Proxy;
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}
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set
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{
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_Proxy = value;
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}
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}
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/// <summary>
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/// 是否需要删除临时文件
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/// </summary>
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private bool _isDeleteTempFile = false;
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/// <summary>
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/// 异步上传所临时生成的文件
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/// </summary>
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private string _UploadTempFile = "";
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#endregion
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#region 事件
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public delegate void De_DownloadProgressChanged( object sender, DownloadProgressChangedEventArgs e );
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public delegate void De_DownloadDataCompleted( object sender, System.ComponentModel.AsyncCompletedEventArgs e );
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public delegate void De_UploadProgressChanged( object sender, UploadProgressChangedEventArgs e );
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public delegate void De_UploadFileCompleted( object sender, UploadFileCompletedEventArgs e );
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/// <summary>
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/// 异步下载进度发生改变触发的事件
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/// </summary>
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public event De_DownloadProgressChanged DownloadProgressChanged;
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/// <summary>
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/// 异步下载文件完成之后触发的事件
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/// </summary>
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public event De_DownloadDataCompleted DownloadDataCompleted;
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/// <summary>
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/// 异步上传进度发生改变触发的事件
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/// </summary>
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public event De_UploadProgressChanged UploadProgressChanged;
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/// <summary>
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/// 异步上传文件完成之后触发的事件
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/// </summary>
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public event De_UploadFileCompleted UploadFileCompleted;
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#endregion
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#region 构造析构函数
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/// <summary>
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/// 构造函数
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/// </summary>
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/// <param name="FtpUri">FTP地址</param>
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/// <param name="strUserName">登录用户名</param>
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/// <param name="strPassword">登录密码</param>
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public FTPDA( Uri FtpUri, string strUserName, string strPassword )
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{
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this._Uri = new Uri( FtpUri.GetLeftPart( UriPartial.Authority ) );
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_DirectoryPath = FtpUri.AbsolutePath;
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if( !_DirectoryPath.EndsWith( "/" ) )
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{
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_DirectoryPath += "/";
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}
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this._UserName = strUserName;
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this._Password = strPassword;
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this._Proxy = null;
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}
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/// <summary>
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/// 构造函数
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/// </summary>
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/// <param name="FtpUri">FTP地址</param>
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/// <param name="strUserName">登录用户名</param>
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/// <param name="strPassword">登录密码</param>
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/// <param name="objProxy">连接代理</param>
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public FTPDA( Uri FtpUri, string strUserName, string strPassword, WebProxy objProxy )
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{
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this._Uri = new Uri( FtpUri.GetLeftPart( UriPartial.Authority ) );
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_DirectoryPath = FtpUri.AbsolutePath;
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if( !_DirectoryPath.EndsWith( "/" ) )
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{
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_DirectoryPath += "/";
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}
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this._UserName = strUserName;
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this._Password = strPassword;
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this._Proxy = objProxy;
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}
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/// <summary>
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/// 构造函数
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/// </summary>
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public FTPDA()
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{
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this._UserName = "anonymous"; //匿名用户
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this._Password = "@anonymous";
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this._Uri = null;
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this._Proxy = null;
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}
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/// <summary>
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/// 析构函数
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/// </summary>
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~FTPDA()
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{
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if( Response != null )
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{
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Response.Close();
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Response = null;
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}
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if( Request != null )
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{
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Request.Abort();
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Request = null;
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}
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}
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#endregion
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#region 建立连接
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/// <summary>
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/// 建立FTP链接,返回响应对象
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/// </summary>
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/// <param name="uri">FTP地址</param>
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/// <param name="FtpMathod">操作命令</param>
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private FtpWebResponse Open( Uri uri, string FtpMathod )
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{
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try
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{
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Request = ( FtpWebRequest ) WebRequest.Create( uri );
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Request.Method = FtpMathod;
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Request.UseBinary = true;
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Request.Credentials = new NetworkCredential( this.UserName, this.Password );
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if( this.Proxy != null )
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{
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Request.Proxy = this.Proxy;
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}
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return ( FtpWebResponse ) Request.GetResponse();
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}
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catch( Exception ep )
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{
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ErrorMsg = ep.ToString();
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return (FtpWebResponse)Request.GetResponse();
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//throw ep;
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}
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}
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/// <summary>
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/// 建立FTP链接,返回请求对象
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/// </summary>
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/// <param name="uri">FTP地址</param>
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/// <param name="FtpMathod">操作命令</param>
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private FtpWebRequest OpenRequest( Uri uri, string FtpMathod )
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{
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try
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{
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Request = ( FtpWebRequest ) WebRequest.Create( uri );
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Request.Method = FtpMathod;
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Request.UseBinary = true;
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Request.Credentials = new NetworkCredential( this.UserName, this.Password );
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if( this.Proxy != null )
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{
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Request.Proxy = this.Proxy;
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}
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return Request;
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}
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catch( Exception ep )
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{
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ErrorMsg = ep.ToString();
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throw ep;
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}
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}
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#endregion
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#region 下载文件
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/// <summary>
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/// 从FTP服务器下载文件，使用与远程文件同名的文件名来保存文件
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/// </summary>
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/// <param name="RemoteFileName">远程文件名</param>
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/// <param name="LocalPath">本地路径</param>
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public bool DownloadFile( string RemoteFileName, string LocalPath )
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{
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return DownloadFile( RemoteFileName, LocalPath, RemoteFileName );
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}
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/// <summary>
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/// 从FTP服务器下载文件，指定本地路径和本地文件名
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/// </summary>
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/// <param name="RemoteFileName">远程文件名</param>
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/// <param name="LocalPath">本地路径</param>
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/// <param name="LocalFilePath">保存文件的本地路径,后面带有""</param>
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/// <param name="LocalFileName">保存本地的文件名</param>
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public bool DownloadFile( string RemoteFileName, string LocalPath, string LocalFileName )
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{
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byte[] bt = null;
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try
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{
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if( !IsValidFileChars( RemoteFileName ) || !IsValidFileChars( LocalFileName ) || !IsValidPathChars( LocalPath ) )
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{
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throw new Exception( "非法文件名或目录名!" );
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}
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if( !Directory.Exists( LocalPath ) )
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{
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throw new Exception( "本地文件路径不存在!" );
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}
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string LocalFullPath = Path.Combine( LocalPath, LocalFileName );
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if( File.Exists( LocalFullPath ) )
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{
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throw new Exception( "当前路径下已经存在同名文件！" );
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}
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bt = DownloadFile( RemoteFileName );
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if( bt != null )
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{
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FileStream stream = new FileStream( LocalFullPath, FileMode.Create );
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stream.Write( bt, 0, bt.Length );
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stream.Flush();
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stream.Close();
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return true;
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}
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else
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{
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return false;
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}
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}
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catch( Exception ep )
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{
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ErrorMsg = ep.ToString();
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throw ep;
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}
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}
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/// <summary>
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/// 从FTP服务器下载文件，返回文件二进制数据
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/// </summary>
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/// <param name="RemoteFileName">远程文件名</param>
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public byte[] DownloadFile( string RemoteFileName )
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{
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try
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{
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if( !IsValidFileChars( RemoteFileName ) )
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{
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throw new Exception( "非法文件名或目录名!" );
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}
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Response = Open( new Uri( this.Uri.ToString() + RemoteFileName ), WebRequestMethods.Ftp.DownloadFile );
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Stream Reader = Response.GetResponseStream();
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MemoryStream mem = new MemoryStream( 1024 * 500 );
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byte[] buffer = new byte[ 1024 ];
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int bytesRead = 0;
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int TotalByteRead = 0;
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while( true )
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{
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bytesRead = Reader.Read( buffer, 0, buffer.Length );
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TotalByteRead += bytesRead;
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if( bytesRead == 0 )
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break;
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mem.Write( buffer, 0, bytesRead );
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}
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if( mem.Length > 0 )
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{
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return mem.ToArray();
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}
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else
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{
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return null;
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}
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}
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catch( Exception ep )
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{
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ErrorMsg = ep.ToString();
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throw ep;
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}
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}
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#endregion
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|
#region 异步下载文件
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/// <summary>
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/// 从FTP服务器异步下载文件，指定本地路径和本地文件名
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/// </summary>
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/// <param name="RemoteFileName">远程文件名</param>
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/// <param name="LocalPath">保存文件的本地路径,后面带有""</param>
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/// <param name="LocalFileName">保存本地的文件名</param>
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|
|
public void DownloadFileAsync( string RemoteFileName, string LocalPath, string LocalFileName )
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{
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try
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{
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if( !IsValidFileChars( RemoteFileName ) || !IsValidFileChars( LocalFileName ) || !IsValidPathChars( LocalPath ) )
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{
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throw new Exception( "非法文件名或目录名!" );
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}
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if( !Directory.Exists( LocalPath ) )
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{
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throw new Exception( "本地文件路径不存在!" );
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}
|
|
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|
string LocalFullPath = Path.Combine( LocalPath, LocalFileName );
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|
|
if( File.Exists( LocalFullPath ) )
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|
{
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|
|
throw new Exception( "当前路径下已经存在同名文件！" );
|
|
|
}
|
|
|
DownloadFileAsync( RemoteFileName, LocalFullPath );
|
|
|
}
|
|
|
catch( Exception ep )
|
|
|
{
|
|
|
ErrorMsg = ep.ToString();
|
|
|
throw ep;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 从FTP服务器异步下载文件，指定本地完整路径文件名
|
|
|
/// </summary>
|
|
|
/// <param name="RemoteFileName">远程文件名</param>
|
|
|
/// <param name="LocalFullPath">本地完整路径文件名</param>
|
|
|
public void DownloadFileAsync( string RemoteFileName, string LocalFullPath )
|
|
|
{
|
|
|
try
|
|
|
{
|
|
|
if( !IsValidFileChars( RemoteFileName ) )
|
|
|
{
|
|
|
throw new Exception( "非法文件名或目录名!" );
|
|
|
}
|
|
|
if( File.Exists( LocalFullPath ) )
|
|
|
{
|
|
|
throw new Exception( "当前路径下已经存在同名文件！" );
|
|
|
}
|
|
|
MyWebClient client = new MyWebClient();
|
|
|
|
|
|
client.DownloadProgressChanged += new DownloadProgressChangedEventHandler( client_DownloadProgressChanged );
|
|
|
client.DownloadFileCompleted += new System.ComponentModel.AsyncCompletedEventHandler( client_DownloadFileCompleted );
|
|
|
client.Credentials = new NetworkCredential( this.UserName, this.Password );
|
|
|
if( this.Proxy != null )
|
|
|
{
|
|
|
client.Proxy = this.Proxy;
|
|
|
}
|
|
|
client.DownloadFileAsync( new Uri( this.Uri.ToString() + RemoteFileName ), LocalFullPath );
|
|
|
}
|
|
|
catch( Exception ep )
|
|
|
{
|
|
|
ErrorMsg = ep.ToString();
|
|
|
throw ep;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 异步下载文件完成之后触发的事件
|
|
|
/// </summary>
|
|
|
/// <param name="sender">下载对象</param>
|
|
|
/// <param name="e">数据信息对象</param>
|
|
|
void client_DownloadFileCompleted( object sender, System.ComponentModel.AsyncCompletedEventArgs e )
|
|
|
{
|
|
|
if( DownloadDataCompleted != null )
|
|
|
{
|
|
|
DownloadDataCompleted( sender, e );
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 异步下载进度发生改变触发的事件
|
|
|
/// </summary>
|
|
|
/// <param name="sender">下载对象</param>
|
|
|
/// <param name="e">进度信息对象</param>
|
|
|
void client_DownloadProgressChanged( object sender, DownloadProgressChangedEventArgs e )
|
|
|
{
|
|
|
if( DownloadProgressChanged != null )
|
|
|
{
|
|
|
DownloadProgressChanged( sender, e );
|
|
|
}
|
|
|
}
|
|
|
#endregion
|
|
|
#region 上传文件
|
|
|
/// <summary>
|
|
|
/// 上传文件到FTP服务器
|
|
|
/// </summary>
|
|
|
/// <param name="LocalFullPath">本地带有完整路径的文件名</param>
|
|
|
public bool UploadFile( string LocalFullPath )
|
|
|
{
|
|
|
return UploadFile( LocalFullPath, Path.GetFileName( LocalFullPath ), false );
|
|
|
}
|
|
|
/// <summary>
|
|
|
/// 上传文件到FTP服务器
|
|
|
/// </summary>
|
|
|
/// <param name="LocalFullPath">本地带有完整路径的文件</param>
|
|
|
/// <param name="OverWriteRemoteFile">是否覆盖远程服务器上面同名的文件</param>
|
|
|
public bool UploadFile( string LocalFullPath, bool OverWriteRemoteFile )
|
|
|
{
|
|
|
return UploadFile( LocalFullPath, Path.GetFileName( LocalFullPath ), OverWriteRemoteFile );
|
|
|
}
|
|
|
/// <summary>
|
|
|
/// 上传文件到FTP服务器
|
|
|
/// </summary>
|
|
|
/// <param name="LocalFullPath">本地带有完整路径的文件</param>
|
|
|
/// <param name="RemoteFileName">要在FTP服务器上面保存文件名</param>
|
|
|
public bool UploadFile( string LocalFullPath, string RemoteFileName )
|
|
|
{
|
|
|
return UploadFile( LocalFullPath, RemoteFileName, false );
|
|
|
}
|
|
|
/// <summary>
|
|
|
/// 上传文件到FTP服务器
|
|
|
/// </summary>
|
|
|
/// <param name="LocalFullPath">本地带有完整路径的文件名</param>
|
|
|
/// <param name="RemoteFileName">要在FTP服务器上面保存文件名</param>
|
|
|
/// <param name="OverWriteRemoteFile">是否覆盖远程服务器上面同名的文件</param>
|
|
|
public bool UploadFile( string LocalFullPath, string RemoteFileName, bool OverWriteRemoteFile )
|
|
|
{
|
|
|
try
|
|
|
{
|
|
|
if( !IsValidFileChars( RemoteFileName ) || !IsValidFileChars( Path.GetFileName( LocalFullPath ) ) || !IsValidPathChars( Path.GetDirectoryName( LocalFullPath ) ) )
|
|
|
{
|
|
|
//throw new Exception("非法文件名或目录名!");
|
|
|
ErrorMsg = "非法文件名或目录名！";
|
|
|
return false;
|
|
|
}
|
|
|
if( File.Exists( LocalFullPath ) )
|
|
|
{
|
|
|
FileStream Stream = new FileStream( LocalFullPath, FileMode.Open, FileAccess.Read );
|
|
|
byte[] bt = new byte[ Stream.Length ];
|
|
|
Stream.Read( bt, 0, ( Int32 ) Stream.Length ); //注意，因为Int32的最大限制，最大上传文件只能是大约2G多一点
|
|
|
Stream.Close();
|
|
|
return UploadFile( bt, RemoteFileName, OverWriteRemoteFile );
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
//throw new Exception("本地文件不存在!");
|
|
|
ErrorMsg = "本地文件不存在！";
|
|
|
return false;
|
|
|
}
|
|
|
}
|
|
|
catch( Exception ep )
|
|
|
{
|
|
|
ErrorMsg = ep.ToString();
|
|
|
throw ep;
|
|
|
}
|
|
|
}
|
|
|
/// <summary>
|
|
|
/// 上传文件到FTP服务器
|
|
|
/// </summary>
|
|
|
/// <param name="FileBytes">上传的二进制数据</param>
|
|
|
/// <param name="RemoteFileName">要在FTP服务器上面保存文件名</param>
|
|
|
public bool UploadFile( byte[] FileBytes, string RemoteFileName )
|
|
|
{
|
|
|
if( !IsValidFileChars( RemoteFileName ) )
|
|
|
{
|
|
|
throw new Exception( "非法文件名或目录名!" );
|
|
|
}
|
|
|
return UploadFile( FileBytes, RemoteFileName, false );
|
|
|
}
|
|
|
/// <summary>
|
|
|
/// 上传文件到FTP服务器
|
|
|
/// </summary>
|
|
|
/// <param name="FileBytes">文件二进制内容</param>
|
|
|
/// <param name="RemoteFileName">要在FTP服务器上面保存文件名</param>
|
|
|
/// <param name="OverWriteRemoteFile">是否覆盖远程服务器上面同名的文件</param>
|
|
|
public bool UploadFile( byte[] FileBytes, string RemoteFileName, bool OverWriteRemoteFile )
|
|
|
{
|
|
|
try
|
|
|
{
|
|
|
if( !IsValidFileChars( RemoteFileName ) )
|
|
|
{
|
|
|
//throw new Exception("非法文件名！");
|
|
|
ErrorMsg = "非法文件名！";
|
|
|
return false;
|
|
|
}
|
|
|
if( !OverWriteRemoteFile && FileExist( RemoteFileName ) )
|
|
|
{
|
|
|
//throw new Exception("FTP服务上面已经存在同名文件！");
|
|
|
ErrorMsg = "FTP服务上面已经存在同名文件！";
|
|
|
return false;
|
|
|
}
|
|
|
Response = Open( new Uri( this.Uri.ToString() + RemoteFileName ), WebRequestMethods.Ftp.UploadFile );
|
|
|
Stream requestStream = Request.GetRequestStream();
|
|
|
MemoryStream mem = new MemoryStream( FileBytes );
|
|
|
|
|
|
byte[] buffer = new byte[ 1024 ];
|
|
|
int bytesRead = 0;
|
|
|
int TotalRead = 0;
|
|
|
while( true )
|
|
|
{
|
|
|
bytesRead = mem.Read( buffer, 0, buffer.Length );
|
|
|
if( bytesRead == 0 )
|
|
|
break;
|
|
|
TotalRead += bytesRead;
|
|
|
requestStream.Write( buffer, 0, bytesRead );
|
|
|
}
|
|
|
requestStream.Close();
|
|
|
Response = ( FtpWebResponse ) Request.GetResponse();
|
|
|
mem.Close();
|
|
|
mem.Dispose();
|
|
|
FileBytes = null;
|
|
|
return true;
|
|
|
}
|
|
|
catch( Exception ep )
|
|
|
{
|
|
|
ErrorMsg = ep.ToString();
|
|
|
throw ep;
|
|
|
}
|
|
|
}
|
|
|
#endregion
|
|
|
#region 异步上传文件
|
|
|
/// <summary>
|
|
|
/// 异步上传文件到FTP服务器
|
|
|
/// </summary>
|
|
|
/// <param name="LocalFullPath">本地带有完整路径的文件名</param>
|
|
|
public void UploadFileAsync( string LocalFullPath )
|
|
|
{
|
|
|
UploadFileAsync( LocalFullPath, Path.GetFileName( LocalFullPath ), false );
|
|
|
}
|
|
|
/// <summary>
|
|
|
/// 异步上传文件到FTP服务器
|
|
|
/// </summary>
|
|
|
/// <param name="LocalFullPath">本地带有完整路径的文件</param>
|
|
|
/// <param name="OverWriteRemoteFile">是否覆盖远程服务器上面同名的文件</param>
|
|
|
public void UploadFileAsync( string LocalFullPath, bool OverWriteRemoteFile )
|
|
|
{
|
|
|
UploadFileAsync( LocalFullPath, Path.GetFileName( LocalFullPath ), OverWriteRemoteFile );
|
|
|
}
|
|
|
/// <summary>
|
|
|
/// 异步上传文件到FTP服务器
|
|
|
/// </summary>
|
|
|
/// <param name="LocalFullPath">本地带有完整路径的文件</param>
|
|
|
/// <param name="RemoteFileName">要在FTP服务器上面保存文件名</param>
|
|
|
public void UploadFileAsync( string LocalFullPath, string RemoteFileName )
|
|
|
{
|
|
|
UploadFileAsync( LocalFullPath, RemoteFileName, false );
|
|
|
}
|
|
|
/// <summary>
|
|
|
/// 异步上传文件到FTP服务器
|
|
|
/// </summary>
|
|
|
/// <param name="LocalFullPath">本地带有完整路径的文件名</param>
|
|
|
/// <param name="RemoteFileName">要在FTP服务器上面保存文件名</param>
|
|
|
/// <param name="OverWriteRemoteFile">是否覆盖远程服务器上面同名的文件</param>
|
|
|
public void UploadFileAsync( string LocalFullPath, string RemoteFileName, bool OverWriteRemoteFile )
|
|
|
{
|
|
|
try
|
|
|
{
|
|
|
if( !IsValidFileChars( RemoteFileName ) || !IsValidFileChars( Path.GetFileName( LocalFullPath ) ) || !IsValidPathChars( Path.GetDirectoryName( LocalFullPath ) ) )
|
|
|
{
|
|
|
throw new Exception( "非法文件名或目录名!" );
|
|
|
}
|
|
|
if( !OverWriteRemoteFile && FileExist( RemoteFileName ) )
|
|
|
{
|
|
|
throw new Exception( "FTP服务上面已经存在同名文件！" );
|
|
|
}
|
|
|
if( File.Exists( LocalFullPath ) )
|
|
|
{
|
|
|
MyWebClient client = new MyWebClient();
|
|
|
|
|
|
client.UploadProgressChanged += new UploadProgressChangedEventHandler( client_UploadProgressChanged );
|
|
|
client.UploadFileCompleted += new UploadFileCompletedEventHandler( client_UploadFileCompleted );
|
|
|
client.Credentials = new NetworkCredential( this.UserName, this.Password );
|
|
|
if( this.Proxy != null )
|
|
|
{
|
|
|
client.Proxy = this.Proxy;
|
|
|
}
|
|
|
client.UploadFileAsync( new Uri( this.Uri.ToString() + RemoteFileName ), LocalFullPath );
|
|
|
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
throw new Exception( "本地文件不存在!" );
|
|
|
}
|
|
|
}
|
|
|
catch( Exception ep )
|
|
|
{
|
|
|
ErrorMsg = ep.ToString();
|
|
|
throw ep;
|
|
|
}
|
|
|
}
|
|
|
/// <summary>
|
|
|
/// 异步上传文件到FTP服务器
|
|
|
/// </summary>
|
|
|
/// <param name="FileBytes">上传的二进制数据</param>
|
|
|
/// <param name="RemoteFileName">要在FTP服务器上面保存文件名</param>
|
|
|
public void UploadFileAsync( byte[] FileBytes, string RemoteFileName )
|
|
|
{
|
|
|
if( !IsValidFileChars( RemoteFileName ) )
|
|
|
{
|
|
|
throw new Exception( "非法文件名或目录名!" );
|
|
|
}
|
|
|
UploadFileAsync( FileBytes, RemoteFileName, false );
|
|
|
}
|
|
|
/// <summary>
|
|
|
/// 异步上传文件到FTP服务器
|
|
|
/// </summary>
|
|
|
/// <param name="FileBytes">文件二进制内容</param>
|
|
|
/// <param name="RemoteFileName">要在FTP服务器上面保存文件名</param>
|
|
|
/// <param name="OverWriteRemoteFile">是否覆盖远程服务器上面同名的文件</param>
|
|
|
public void UploadFileAsync( byte[] FileBytes, string RemoteFileName, bool OverWriteRemoteFile )
|
|
|
{
|
|
|
try
|
|
|
{
|
|
|
|
|
|
if( !IsValidFileChars( RemoteFileName ) )
|
|
|
{
|
|
|
throw new Exception( "非法文件名！" );
|
|
|
}
|
|
|
if( !OverWriteRemoteFile && FileExist( RemoteFileName ) )
|
|
|
{
|
|
|
throw new Exception( "FTP服务上面已经存在同名文件！" );
|
|
|
}
|
|
|
string TempPath = System.Environment.GetFolderPath( Environment.SpecialFolder.Templates );
|
|
|
if( !TempPath.EndsWith( "/" ) )
|
|
|
{
|
|
|
TempPath += "/";
|
|
|
}
|
|
|
string TempFile = TempPath + Path.GetRandomFileName();
|
|
|
TempFile = Path.ChangeExtension( TempFile, Path.GetExtension( RemoteFileName ) );
|
|
|
FileStream Stream = new FileStream( TempFile, FileMode.CreateNew, FileAccess.Write );
|
|
|
Stream.Write( FileBytes, 0, FileBytes.Length ); //注意，因为Int32的最大限制，最大上传文件只能是大约2G多一点
|
|
|
Stream.Flush();
|
|
|
Stream.Close();
|
|
|
Stream.Dispose();
|
|
|
_isDeleteTempFile = true;
|
|
|
_UploadTempFile = TempFile;
|
|
|
FileBytes = null;
|
|
|
UploadFileAsync( TempFile, RemoteFileName, OverWriteRemoteFile );
|
|
|
|
|
|
|
|
|
|
|
|
}
|
|
|
catch( Exception ep )
|
|
|
{
|
|
|
ErrorMsg = ep.ToString();
|
|
|
throw ep;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 异步上传文件完成之后触发的事件
|
|
|
/// </summary>
|
|
|
/// <param name="sender">下载对象</param>
|
|
|
/// <param name="e">数据信息对象</param>
|
|
|
void client_UploadFileCompleted( object sender, UploadFileCompletedEventArgs e )
|
|
|
{
|
|
|
if( _isDeleteTempFile )
|
|
|
{
|
|
|
if( File.Exists( _UploadTempFile ) )
|
|
|
{
|
|
|
File.SetAttributes( _UploadTempFile, FileAttributes.Normal );
|
|
|
File.Delete( _UploadTempFile );
|
|
|
}
|
|
|
_isDeleteTempFile = false;
|
|
|
}
|
|
|
if( UploadFileCompleted != null )
|
|
|
{
|
|
|
UploadFileCompleted( sender, e );
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 异步上传进度发生改变触发的事件
|
|
|
/// </summary>
|
|
|
/// <param name="sender">下载对象</param>
|
|
|
/// <param name="e">进度信息对象</param>
|
|
|
void client_UploadProgressChanged( object sender, UploadProgressChangedEventArgs e )
|
|
|
{
|
|
|
if( UploadProgressChanged != null )
|
|
|
{
|
|
|
UploadProgressChanged( sender, e );
|
|
|
}
|
|
|
}
|
|
|
#endregion
|
|
|
#region 列出目录文件信息
|
|
|
/// <summary>
|
|
|
/// 列出FTP服务器上面当前目录的所有文件和目录
|
|
|
/// </summary>
|
|
|
public FileStruct[] ListFilesAndDirectories()
|
|
|
{
|
|
|
Response = Open( this.Uri, WebRequestMethods.Ftp.ListDirectoryDetails );
|
|
|
StreamReader stream = new StreamReader(Response.GetResponseStream());//, Encoding.Default );
|
|
|
string Datastring = stream.ReadToEnd();
|
|
|
FileStruct[] list = GetList( Datastring );
|
|
|
return list;
|
|
|
}
|
|
|
/// <summary>
|
|
|
/// 列出FTP服务器上面当前目录的所有文件
|
|
|
/// </summary>
|
|
|
public FileStruct[] ListFiles()
|
|
|
{
|
|
|
FileStruct[] listAll = ListFilesAndDirectories();
|
|
|
List<FileStruct> listFile = new List<FileStruct>();
|
|
|
foreach( FileStruct file in listAll )
|
|
|
{
|
|
|
if( !file.IsDirectory )
|
|
|
{
|
|
|
listFile.Add( file );
|
|
|
}
|
|
|
}
|
|
|
return listFile.ToArray();
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 列出FTP服务器上面当前目录的所有的目录
|
|
|
/// </summary>
|
|
|
public FileStruct[] ListDirectories()
|
|
|
{
|
|
|
FileStruct[] listAll = ListFilesAndDirectories();
|
|
|
List<FileStruct> listDirectory = new List<FileStruct>();
|
|
|
foreach( FileStruct file in listAll )
|
|
|
{
|
|
|
if( file.IsDirectory )
|
|
|
{
|
|
|
listDirectory.Add( file );
|
|
|
}
|
|
|
}
|
|
|
return listDirectory.ToArray();
|
|
|
}
|
|
|
/// <summary>
|
|
|
/// 获得文件和目录列表
|
|
|
/// </summary>
|
|
|
/// <param name="datastring">FTP返回的列表字符信息</param>
|
|
|
private FileStruct[] GetList( string datastring )
|
|
|
{
|
|
|
List<FileStruct> myListArray = new List<FileStruct>();
|
|
|
//string[] dataRecords = datastring.Split(new string[] { "," }, StringSplitOptions.RemoveEmptyEntries);
|
|
|
string[] dataRecords = datastring.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
|
|
|
FileListStyle _directoryListStyle = GuessFileListStyle(dataRecords);
|
|
|
foreach( string s in dataRecords )
|
|
|
{
|
|
|
if( _directoryListStyle != FileListStyle.Unknown && s != "" )
|
|
|
{
|
|
|
FileStruct f = new FileStruct();
|
|
|
f.Name = "..";
|
|
|
switch( _directoryListStyle )
|
|
|
{
|
|
|
case FileListStyle.UnixStyle:
|
|
|
f = ParseFileStructFromUnixStyleRecord( s );
|
|
|
break;
|
|
|
case FileListStyle.WindowsStyle:
|
|
|
f = ParseFileStructFromWindowsStyleRecord( s );
|
|
|
break;
|
|
|
}
|
|
|
if( !( f.Name == "." || f.Name == ".." ) )
|
|
|
{
|
|
|
myListArray.Add( f );
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
return myListArray.ToArray();
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 从Windows格式中返回文件信息
|
|
|
/// </summary>
|
|
|
/// <param name="Record">文件信息</param>
|
|
|
private FileStruct ParseFileStructFromWindowsStyleRecord( string Record )
|
|
|
{
|
|
|
FileStruct f = new FileStruct();
|
|
|
string processstr = Record.Trim();
|
|
|
string dateStr = processstr.Substring( 0, 8 );
|
|
|
processstr = ( processstr.Substring( 8, processstr.Length - 8 ) ).Trim();
|
|
|
string timeStr = processstr.Substring( 0, 7 );
|
|
|
processstr = ( processstr.Substring( 7, processstr.Length - 7 ) ).Trim();
|
|
|
DateTimeFormatInfo myDTFI = new CultureInfo( "en-US", false ).DateTimeFormat;
|
|
|
myDTFI.ShortTimePattern = "t";
|
|
|
f.CreateTime = DateTime.Parse( dateStr + " " + timeStr, myDTFI );
|
|
|
if( processstr.Substring( 0, 5 ) == "<DIR>" )
|
|
|
{
|
|
|
f.IsDirectory = true;
|
|
|
processstr = ( processstr.Substring( 5, processstr.Length - 5 ) ).Trim();
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
string[] strs = processstr.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries); // true);
|
|
|
processstr = strs[ 1 ];
|
|
|
f.IsDirectory = false;
|
|
|
}
|
|
|
f.Name = processstr;
|
|
|
return f;
|
|
|
}
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
/// 判断文件列表的方式Window方式还是Unix方式
|
|
|
/// </summary>
|
|
|
/// <param name="recordList">文件信息列表</param>
|
|
|
private FileListStyle GuessFileListStyle( string[] recordList )
|
|
|
{
|
|
|
foreach( string s in recordList )
|
|
|
{
|
|
|
if( s.Length > 10
|
|
|
&& Regex.IsMatch( s.Substring( 0, 10 ), "(-|d)(-|r)(-|w)(-|x)(-|r)(-|w)(-|x)(-|r)(-|w)(-|x)" ) )
|
|
|
{
|
|
|
return FileListStyle.UnixStyle;
|
|
|
}
|
|
|
else if( s.Length > 8
|
|
|
&& Regex.IsMatch( s.Substring( 0, 8 ), "[0-9][0-9]-[0-9][0-9]-[0-9][0-9]" ) )
|
|
|
{
|
|
|
return FileListStyle.WindowsStyle;
|
|
|
}
|
|
|
}
|
|
|
return FileListStyle.Unknown;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 从Unix格式中返回文件信息
|
|
|
/// </summary>
|
|
|
/// <param name="Record">文件信息</param>
|
|
|
private FileStruct ParseFileStructFromUnixStyleRecord( string Record )
|
|
|
{
|
|
|
FileStruct f = new FileStruct();
|
|
|
string processstr = Record.Trim();
|
|
|
f.Flags = processstr.Substring( 0, 10 );
|
|
|
f.IsDirectory = ( f.Flags[ 0 ] == 'd' );
|
|
|
processstr = ( processstr.Substring( 11 ) ).Trim();
|
|
|
_cutSubstringFromStringWithTrim( ref processstr, ' ', 0 ); //跳过一部分
|
|
|
f.Owner = _cutSubstringFromStringWithTrim( ref processstr, ' ', 0 );
|
|
|
f.Group = _cutSubstringFromStringWithTrim( ref processstr, ' ', 0 );
|
|
|
_cutSubstringFromStringWithTrim( ref processstr, ' ', 0 ); //跳过一部分
|
|
|
string yearOrTime = processstr.Split( new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries )[ 2 ];
|
|
|
if( yearOrTime.IndexOf( ":" ) >= 0 ) //time
|
|
|
{
|
|
|
processstr = processstr.Replace( yearOrTime, DateTime.Now.Year.ToString() );
|
|
|
}
|
|
|
f.CreateTime = DateTime.Parse( _cutSubstringFromStringWithTrim( ref processstr, ' ', 8 ) );
|
|
|
f.Name = processstr; //最后就是名称
|
|
|
return f;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 按照一定的规则进行字符串截取
|
|
|
/// </summary>
|
|
|
/// <param name="s">截取的字符串</param>
|
|
|
/// <param name="c">查找的字符</param>
|
|
|
/// <param name="startIndex">查找的位置</param>
|
|
|
private string _cutSubstringFromStringWithTrim( ref string s, char c, int startIndex )
|
|
|
{
|
|
|
int pos1 = s.IndexOf( c, startIndex );
|
|
|
string retString = s.Substring( 0, pos1 );
|
|
|
s = ( s.Substring( pos1 ) ).Trim();
|
|
|
return retString;
|
|
|
}
|
|
|
#endregion
|
|
|
#region 目录或文件存在的判断
|
|
|
/// <summary>
|
|
|
/// 判断当前目录下指定的子目录是否存在
|
|
|
/// </summary>
|
|
|
/// <param name="RemoteDirectoryName">指定的目录名</param>
|
|
|
public bool DirectoryExist( string RemoteDirectoryName )
|
|
|
{
|
|
|
try
|
|
|
{
|
|
|
if( !IsValidPathChars( RemoteDirectoryName ) )
|
|
|
{
|
|
|
throw new Exception( "目录名非法！" );
|
|
|
}
|
|
|
FileStruct[] listDir = ListDirectories();
|
|
|
foreach( FileStruct dir in listDir )
|
|
|
{
|
|
|
if( dir.Name == RemoteDirectoryName )
|
|
|
{
|
|
|
return true;
|
|
|
}
|
|
|
}
|
|
|
return false;
|
|
|
}
|
|
|
catch( Exception ep )
|
|
|
{
|
|
|
ErrorMsg = ep.ToString();
|
|
|
throw ep;
|
|
|
}
|
|
|
}
|
|
|
/// <summary>
|
|
|
/// 判断一个远程文件是否存在服务器当前目录下面
|
|
|
/// </summary>
|
|
|
/// <param name="RemoteFileName">远程文件名</param>
|
|
|
public bool FileExist( string RemoteFileName )
|
|
|
{
|
|
|
try
|
|
|
{
|
|
|
if( !IsValidFileChars( RemoteFileName ) )
|
|
|
{
|
|
|
//throw new Exception("文件名非法！");
|
|
|
ErrorMsg = "文件名非法！";
|
|
|
return false;
|
|
|
}
|
|
|
FileStruct[] listFile = ListFiles();
|
|
|
foreach( FileStruct file in listFile )
|
|
|
{
|
|
|
if( file.Name == RemoteFileName )
|
|
|
{
|
|
|
return true;
|
|
|
}
|
|
|
}
|
|
|
return false;
|
|
|
}
|
|
|
catch( Exception ep )
|
|
|
{
|
|
|
ErrorMsg = ep.ToString();
|
|
|
throw ep;
|
|
|
}
|
|
|
}
|
|
|
#endregion
|
|
|
#region 删除文件
|
|
|
/// <summary>
|
|
|
/// 从FTP服务器上面删除一个文件
|
|
|
/// </summary>
|
|
|
/// <param name="RemoteFileName">远程文件名</param>
|
|
|
public void DeleteFile( string RemoteFileName )
|
|
|
{
|
|
|
try
|
|
|
{
|
|
|
if( !IsValidFileChars( RemoteFileName ) )
|
|
|
{
|
|
|
//throw new Exception( "文件名非法！" );
|
|
|
ErrorMsg = "文件名非法！";
|
|
|
}
|
|
|
Response = Open( new Uri( this.Uri.ToString() + RemoteFileName ), WebRequestMethods.Ftp.DeleteFile );
|
|
|
}
|
|
|
catch( Exception ep )
|
|
|
{
|
|
|
ErrorMsg = ep.ToString();
|
|
|
//throw ep;
|
|
|
}
|
|
|
}
|
|
|
#endregion
|
|
|
#region 重命名文件
|
|
|
/// <summary>
|
|
|
/// 更改一个文件的名称或一个目录的名称
|
|
|
/// </summary>
|
|
|
/// <param name="RemoteFileName">原始文件或目录名称</param>
|
|
|
/// <param name="NewFileName">新的文件或目录的名称</param>
|
|
|
public bool ReName( string RemoteFileName, string NewFileName )
|
|
|
{
|
|
|
try
|
|
|
{
|
|
|
if( !IsValidFileChars( RemoteFileName ) || !IsValidFileChars( NewFileName ) )
|
|
|
{
|
|
|
//throw new Exception("文件名非法！");
|
|
|
ErrorMsg = "文件名非法！";
|
|
|
return false;
|
|
|
}
|
|
|
if( RemoteFileName == NewFileName )
|
|
|
{
|
|
|
return true;
|
|
|
}
|
|
|
if( FileExist( RemoteFileName ) )
|
|
|
{
|
|
|
Request = OpenRequest( new Uri( this.Uri.ToString() + RemoteFileName ), WebRequestMethods.Ftp.Rename );
|
|
|
Request.RenameTo = NewFileName;
|
|
|
Response = ( FtpWebResponse ) Request.GetResponse();
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
//throw new Exception("文件在服务器上不存在！");
|
|
|
ErrorMsg = "文件在服务器上不存在！";
|
|
|
return false;
|
|
|
}
|
|
|
return true;
|
|
|
}
|
|
|
catch( Exception ep )
|
|
|
{
|
|
|
ErrorMsg = ep.ToString();
|
|
|
throw ep;
|
|
|
}
|
|
|
}
|
|
|
#endregion
|
|
|
#region 拷贝、移动文件
|
|
|
/// <summary>
|
|
|
/// 把当前目录下面的一个文件拷贝到服务器上面另外的目录中，注意，拷贝文件之后，当前工作目录还是文件原来所在的目录
|
|
|
/// </summary>
|
|
|
/// <param name="RemoteFile">当前目录下的文件名</param>
|
|
|
/// <param name="DirectoryName">新目录名称。
|
|
|
/// 说明：如果新目录是当前目录的子目录，则直接指定子目录。如: SubDirectory1/SubDirectory2 ；
|
|
|
/// 如果新目录不是当前目录的子目录，则必须从根目录一级一级的指定。如： ./NewDirectory/SubDirectory1/SubDirectory2
|
|
|
/// </param>
|
|
|
/// <returns></returns>
|
|
|
public bool CopyFileToAnotherDirectory( string RemoteFile, string DirectoryName )
|
|
|
{
|
|
|
string CurrentWorkDir = this.DirectoryPath;
|
|
|
try
|
|
|
{
|
|
|
byte[] bt = DownloadFile( RemoteFile );
|
|
|
GotoDirectory( DirectoryName );
|
|
|
bool Success = UploadFile( bt, RemoteFile, false );
|
|
|
this.DirectoryPath = CurrentWorkDir;
|
|
|
return Success;
|
|
|
}
|
|
|
catch( Exception ep )
|
|
|
{
|
|
|
this.DirectoryPath = CurrentWorkDir;
|
|
|
ErrorMsg = ep.ToString();
|
|
|
throw ep;
|
|
|
}
|
|
|
}
|
|
|
/// <summary>
|
|
|
/// 把当前目录下面的一个文件移动到服务器上面另外的目录中，注意，移动文件之后，当前工作目录还是文件原来所在的目录
|
|
|
/// </summary>
|
|
|
/// <param name="RemoteFile">当前目录下的文件名</param>
|
|
|
/// <param name="DirectoryName">新目录名称。
|
|
|
/// 说明：如果新目录是当前目录的子目录，则直接指定子目录。如: SubDirectory1/SubDirectory2 ；
|
|
|
/// 如果新目录不是当前目录的子目录，则必须从根目录一级一级的指定。如： ./NewDirectory/SubDirectory1/SubDirectory2
|
|
|
/// </param>
|
|
|
/// <returns></returns>
|
|
|
public bool MoveFileToAnotherDirectory( string RemoteFile, string DirectoryName )
|
|
|
{
|
|
|
string CurrentWorkDir = this.DirectoryPath;
|
|
|
try
|
|
|
{
|
|
|
if( DirectoryName == "" )
|
|
|
return false;
|
|
|
if( !DirectoryName.StartsWith( "/" ) )
|
|
|
DirectoryName = "/" + DirectoryName;
|
|
|
if( !DirectoryName.EndsWith( "/" ) )
|
|
|
DirectoryName += "/";
|
|
|
bool Success = ReName( RemoteFile, DirectoryName + RemoteFile );
|
|
|
this.DirectoryPath = CurrentWorkDir;
|
|
|
return Success;
|
|
|
}
|
|
|
catch( Exception ep )
|
|
|
{
|
|
|
this.DirectoryPath = CurrentWorkDir;
|
|
|
ErrorMsg = ep.ToString();
|
|
|
throw ep;
|
|
|
}
|
|
|
}
|
|
|
#endregion
|
|
|
#region 建立、删除子目录
|
|
|
/// <summary>
|
|
|
/// 在FTP服务器上当前工作目录建立一个子目录
|
|
|
/// </summary>
|
|
|
/// <param name="DirectoryName">子目录名称</param>
|
|
|
public bool MakeDirectory( string DirectoryName )
|
|
|
{
|
|
|
try
|
|
|
{
|
|
|
if( !IsValidPathChars( DirectoryName ) )
|
|
|
{
|
|
|
throw new Exception( "目录名非法！" );
|
|
|
}
|
|
|
if( DirectoryExist( DirectoryName ) )
|
|
|
{
|
|
|
throw new Exception( "服务器上面已经存在同名的文件名或目录名！" );
|
|
|
}
|
|
|
string a = this.Uri.ToString();
|
|
|
string b = DirectoryName;
|
|
|
Response = Open( new Uri( this.Uri.ToString() + DirectoryName ), WebRequestMethods.Ftp.MakeDirectory );
|
|
|
return true;
|
|
|
}
|
|
|
catch( Exception ep )
|
|
|
{
|
|
|
ErrorMsg = ep.ToString();
|
|
|
throw ep;
|
|
|
}
|
|
|
}
|
|
|
/// <summary>
|
|
|
/// 从当前工作目录中删除一个子目录
|
|
|
/// </summary>
|
|
|
/// <param name="DirectoryName">子目录名称</param>
|
|
|
public bool RemoveDirectory( string DirectoryName )
|
|
|
{
|
|
|
try
|
|
|
{
|
|
|
if( !IsValidPathChars( DirectoryName ) )
|
|
|
{
|
|
|
throw new Exception( "目录名非法！" );
|
|
|
}
|
|
|
if( !DirectoryExist( DirectoryName ) )
|
|
|
{
|
|
|
throw new Exception( "服务器上面不存在指定的文件名或目录名！" );
|
|
|
}
|
|
|
Response = Open( new Uri( this.Uri.ToString() + DirectoryName ), WebRequestMethods.Ftp.RemoveDirectory );
|
|
|
return true;
|
|
|
}
|
|
|
catch( Exception ep )
|
|
|
{
|
|
|
ErrorMsg = ep.ToString();
|
|
|
throw ep;
|
|
|
}
|
|
|
}
|
|
|
#endregion
|
|
|
#region 文件、目录名称有效性判断
|
|
|
/// <summary>
|
|
|
/// 判断目录名中字符是否合法
|
|
|
/// </summary>
|
|
|
/// <param name="DirectoryName">目录名称</param>
|
|
|
public bool IsValidPathChars( string DirectoryName )
|
|
|
{
|
|
|
char[] invalidPathChars = Path.GetInvalidPathChars();
|
|
|
char[] DirChar = DirectoryName.ToCharArray();
|
|
|
foreach( char C in DirChar )
|
|
|
{
|
|
|
if( Array.BinarySearch( invalidPathChars, C ) >= 0 )
|
|
|
{
|
|
|
return false;
|
|
|
}
|
|
|
}
|
|
|
return true;
|
|
|
}
|
|
|
/// <summary>
|
|
|
/// 判断文件名中字符是否合法
|
|
|
/// </summary>
|
|
|
/// <param name="FileName">文件名称</param>
|
|
|
public bool IsValidFileChars( string FileName )
|
|
|
{
|
|
|
char[] invalidFileChars = Path.GetInvalidFileNameChars();
|
|
|
char[] NameChar = FileName.ToCharArray();
|
|
|
foreach( char C in NameChar )
|
|
|
{
|
|
|
if( Array.BinarySearch( invalidFileChars, C ) >= 0 )
|
|
|
{
|
|
|
return false;
|
|
|
}
|
|
|
}
|
|
|
return true;
|
|
|
}
|
|
|
#endregion
|
|
|
#region 目录切换操作
|
|
|
/// <summary>
|
|
|
/// 进入一个目录
|
|
|
/// </summary>
|
|
|
/// <param name="DirectoryName">
|
|
|
/// 新目录的名字。
|
|
|
/// 说明：如果新目录是当前目录的子目录，则直接指定子目录。如: SubDirectory1/SubDirectory2 ；
|
|
|
/// 如果新目录不是当前目录的子目录，则必须从根目录一级一级的指定。如： ./NewDirectory/SubDirectory1/SubDirectory2
|
|
|
/// </param>
|
|
|
public bool GotoDirectory( string DirectoryName )
|
|
|
{
|
|
|
string CurrentWorkPath = this.DirectoryPath;
|
|
|
try
|
|
|
{
|
|
|
DirectoryName = DirectoryName.Replace( "/", "/" );
|
|
|
string[] DirectoryNames = DirectoryName.Split( new char[] { '/' } );
|
|
|
if( DirectoryNames[ 0 ] == "." )
|
|
|
{
|
|
|
this.DirectoryPath = "/";
|
|
|
if( DirectoryNames.Length == 1 )
|
|
|
{
|
|
|
return true;
|
|
|
}
|
|
|
Array.Clear( DirectoryNames, 0, 1 );
|
|
|
}
|
|
|
bool Success = false;
|
|
|
foreach( string dir in DirectoryNames )
|
|
|
{
|
|
|
if( dir != null )
|
|
|
{
|
|
|
Success = EnterOneSubDirectory( dir );
|
|
|
if( !Success )
|
|
|
{
|
|
|
this.DirectoryPath = CurrentWorkPath;
|
|
|
return false;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
return Success;
|
|
|
|
|
|
}
|
|
|
catch( Exception ep )
|
|
|
{
|
|
|
this.DirectoryPath = CurrentWorkPath;
|
|
|
ErrorMsg = ep.ToString();
|
|
|
throw ep;
|
|
|
}
|
|
|
}
|
|
|
/// <summary>
|
|
|
/// 从当前工作目录进入一个子目录
|
|
|
/// </summary>
|
|
|
/// <param name="DirectoryName">子目录名称</param>
|
|
|
private bool EnterOneSubDirectory( string DirectoryName )
|
|
|
{
|
|
|
try
|
|
|
{
|
|
|
if( DirectoryName.IndexOf( "/" ) >= 0 || !IsValidPathChars( DirectoryName ) )
|
|
|
{
|
|
|
throw new Exception( "目录名非法!" );
|
|
|
}
|
|
|
if( DirectoryName.Length > 0 && DirectoryExist( DirectoryName ) )
|
|
|
{
|
|
|
if( !DirectoryName.EndsWith( "/" ) )
|
|
|
{
|
|
|
DirectoryName += "/";
|
|
|
}
|
|
|
_DirectoryPath += DirectoryName;
|
|
|
return true;
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
return false;
|
|
|
}
|
|
|
}
|
|
|
catch( Exception ep )
|
|
|
{
|
|
|
ErrorMsg = ep.ToString();
|
|
|
throw ep;
|
|
|
}
|
|
|
}
|
|
|
/// <summary>
|
|
|
/// 从当前工作目录往上一级目录
|
|
|
/// </summary>
|
|
|
public bool ComeoutDirectory()
|
|
|
{
|
|
|
if( _DirectoryPath == "/" )
|
|
|
{
|
|
|
ErrorMsg = "当前目录已经是根目录！";
|
|
|
throw new Exception( "当前目录已经是根目录！" );
|
|
|
}
|
|
|
char[] sp = new char[ 1 ] { '/' };
|
|
|
|
|
|
string[] strDir = _DirectoryPath.Split( sp, StringSplitOptions.RemoveEmptyEntries );
|
|
|
if( strDir.Length == 1 )
|
|
|
{
|
|
|
_DirectoryPath = "/";
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
_DirectoryPath = String.Join( "/", strDir, 0, strDir.Length - 1 );
|
|
|
}
|
|
|
return true;
|
|
|
|
|
|
}
|
|
|
#endregion
|
|
|
#region 重载WebClient，支持FTP进度
|
|
|
internal class MyWebClient : WebClient
|
|
|
{
|
|
|
protected override WebRequest GetWebRequest( Uri address )
|
|
|
{
|
|
|
FtpWebRequest req = ( FtpWebRequest ) base.GetWebRequest( address );
|
|
|
req.UsePassive = false;
|
|
|
return req;
|
|
|
}
|
|
|
}
|
|
|
#endregion
|
|
|
}
|
|
|
} |