FTP文件上传下载，获取文件列表功能
窗体设计器
1 #region Windows 窗体设计器生成的代码
2
3 ///
4 /// 设计器支持所需的方法 - 不要
5 /// 使用代码编辑器修改此方法的内容。
6 ///
7 private void InitializeComponent()
8 {
9 this.components = new System.ComponentModel.Container();
10 System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(frmList));
11 this.btnDown = new System.Windows.Forms.Button();
12 this.btnGetList = new System.Windows.Forms.Button();
13 this.treeView1 = new System.Windows.Forms.TreeView();
14 this.imageList1 = new System.Windows.Forms.ImageList(this.components);
15 this.contextMenuStrip1 = new System.Windows.Forms.ContextMenuStrip(this.components);
16 this.下载浏览ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
17 this.webBrowser1 = new System.Windows.Forms.WebBrowser();
18 this.文件上传ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
19 this.contextMenuStrip1.SuspendLayout();
20 this.SuspendLayout();
21 //
22 // btnDown
23 //
24 this.btnDown.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
25 this.btnDown.Location = new System.Drawing.Point(14, 597);
26 this.btnDown.Name = "btnDown";
27 this.btnDown.Size = new System.Drawing.Size(75, 23);
28 this.btnDown.TabIndex = 0;
29 this.btnDown.Text = "下载文件";
30 this.btnDown.UseVisualStyleBackColor = true;
31 //
32 // btnGetList
33 //
34 this.btnGetList.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
35 this.btnGetList.Location = new System.Drawing.Point(95, 597);
36 this.btnGetList.Name = "btnGetList";
37 this.btnGetList.Size = new System.Drawing.Size(75, 23);
38 this.btnGetList.TabIndex = 0;
39 this.btnGetList.Text = "获取文件列表";
40 this.btnGetList.UseVisualStyleBackColor = true;
41 this.btnGetList.Click += new System.EventHandler(this.btnGetList_Click);
42 //
43 // treeView1
44 //
45 this.treeView1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
46 | System.Windows.Forms.AnchorStyles.Left)));
47 this.treeView1.ImageIndex = 0;
48 this.treeView1.ImageList = this.imageList1;
49 this.treeView1.Location = new System.Drawing.Point(12, 12);
50 this.treeView1.Name = "treeView1";
51 this.treeView1.SelectedImageIndex = 0;
52 this.treeView1.Size = new System.Drawing.Size(207, 579);
53 this.treeView1.TabIndex = 1;
54 this.treeView1.MouseDown += new System.Windows.Forms.MouseEventHandler(this.treeView1_MouseDown);
55 //
56 // imageList1
57 //
58 this.imageList1.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imageList1.ImageStream")));
59 this.imageList1.TransparentColor = System.Drawing.Color.Transparent;
60 this.imageList1.Images.SetKeyName(0, "folderopen.ico");
61 //
62 // contextMenuStrip1
63 //
64 this.contextMenuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
65 this.下载浏览ToolStripMenuItem,
66 this.文件上传ToolStripMenuItem});
67 this.contextMenuStrip1.Name = "contextMenuStrip1";
68 this.contextMenuStrip1.RenderMode = System.Windows.Forms.ToolStripRenderMode.System;
69 this.contextMenuStrip1.Size = new System.Drawing.Size(153, 70);
70 //
71 // 下载浏览ToolStripMenuItem
72 //
73 this.下载浏览ToolStripMenuItem.Name = "下载浏览ToolStripMenuItem";
74 this.下载浏览ToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
75 this.下载浏览ToolStripMenuItem.Text = "下载浏览";
76 this.下载浏览ToolStripMenuItem.Click += new System.EventHandler(this.下载浏览ToolStripMenuItem_Click);
77 //
78 // webBrowser1
79 //
80 this.webBrowser1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
81 | System.Windows.Forms.AnchorStyles.Left)
82 | System.Windows.Forms.AnchorStyles.Right)));
83 this.webBrowser1.Location = new System.Drawing.Point(241, 12);
84 this.webBrowser1.MinimumSize = new System.Drawing.Size(20, 20);
85 this.webBrowser1.Name = "webBrowser1";
86 this.webBrowser1.Size = new System.Drawing.Size(553, 579);
87 this.webBrowser1.TabIndex = 3;
88 //
89 // 文件上传ToolStripMenuItem
90 //
91 this.文件上传ToolStripMenuItem.Name = "文件上传ToolStripMenuItem";
92 this.文件上传ToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
93 this.文件上传ToolStripMenuItem.Text = "文件上传";
94 this.文件上传ToolStripMenuItem.Click += new System.EventHandler(this.文件上传ToolStripMenuItem_Click);
95 //
96 // frmList
97 //
98 this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
99 this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
100 this.ClientSize = new System.Drawing.Size(806, 632);
101 this.Controls.Add(this.treeView1);
102 this.Controls.Add(this.webBrowser1);
103 this.Controls.Add(this.btnGetList);
104 this.Controls.Add(this.btnDown);
105 this.MaximizeBox = false;
106 this.MinimizeBox = false;
107 this.Name = "frmList";
108 this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
109 this.Text = "公告下载浏览";
110 this.WindowState = System.Windows.Forms.FormWindowState.Maximized;
111 this.Load += new System.EventHandler(this.Form1_Load);
112 this.contextMenuStrip1.ResumeLayout(false);
113 this.ResumeLayout(false);
114
115 }
116
117 #endregion
操作Ftp类
View Code
1 namespace FtpDown
2 {
3 class FtpDownLoad
4 {
5 private string password;
6 public string Password
7 {
8 get { return password; }
9 set { password = value; }
10 }
11 private string userName;
12 public string UserName
13 {
14 get { return userName; }
15 set { userName = value; }
16 }
17 private string ftpServerIP;
18 public string FtpServerIP
19 {
20 get { return ftpServerIP; }
21 set { ftpServerIP = value; }
22 }
23
24 public FtpDownLoad( string userName,string password)
25 {
26 this.password = password;
27 this.userName=userName;
28 }
29 #region ---------连接ftp ConnFtp(string ftpServerIP)
30 ///
31 /// 连接ftp
32 ///
33 public void ConnFtp(string ftpServerIP)
34 {
35 try
36 {
37 FtpWebRequest ftpRequest = null;
38 ftpRequest = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftpServerIP));//创建实现文件传输协议ftp客户端
39 ftpRequest.UseBinary = true;//指定文件传输类型
40 ftpRequest.Credentials = new NetworkCredential(userName, password);//获取设置与ftp服务器通信凭证
41 }
42 catch (Exception ex)
43 {
44 MessageBox.Show(ex.Message);
45 }
46 }
47 #endregion
48
49 #region ---------获取文件详细目录 string[] GetDetailList(string ftpServerIP)
50 ///
51 /// 获取文件详细目录
52 ///
53 /// ftppath ftp上文件路径 如：ftp://192.168.1.1//wangqihe
54 ///
55 public string[] GetDetailList(string ftppath)
56 {
57 try
58 {
59 StringBuilder list = new StringBuilder();//存放文件名，大小 等信息
60 FtpWebRequest request = (FtpWebRequest)FtpWebRequest.Create(new Uri(ftppath));//创建实现文件传输协议ftp客户端
61 request.Credentials = new NetworkCredential(userName, password);//获取设置与ftp服务器通信凭证
62 request.KeepAlive = false;
63 request.Method = WebRequestMethods.Ftp.ListDirectoryDetails;//表示获取ftp文件详细信息
64 WebResponse reponse = request.GetResponse();
65 long filelength = reponse.ContentLength;//获取文件长度
66 StreamReader reader = new StreamReader(reponse.GetResponseStream(), System.Text.Encoding.Default);
67 string line = reader.ReadLine();
68 while (line != null)
69 {
70 list.Append(line);
71 list.Append("龘");//用不常用字方便进行分割
72 line = reader.ReadLine();
73 }
74 reader.Close();
75 reponse.Close();
76 return list.ToString().Split('龘');
77 }
78 catch (Exception ex)
79 {
80 return null;
81 throw;
82 }
83 }
84 #endregion
85
86 #region ---------只获取ftp文件 string[] GetDirectoryList(string path)
87 ///
88 /// 只获取ftp文件
89 ///
90 ///
91 public string[] GetDirectoryList(string path)
92 {
93 string[] list = GetDetailList(path);
94 string m = "";
95 for (int i = 0; i < list.Length - 1; i++)
96 {
97 int dirPos = list.IndexOf("");
98 if (dirPos > 0)
99 {
100 /*判断 Windows 风格*/
101 m += list.Substring(dirPos + 5).Trim() + "\n";
102 }
103 else if (list.Trim().Substring(0, 1).ToUpper() == "D")
104 {
105 /*判断 Unix 风格*/
106 string dir = list.Substring(54).Trim();
107 if (dir != "." && dir != "..")
108 {
109 m += dir + "\n";
110 }
111 }
112 }
113 return m.Split('\n');
114 }
115 #endregion
116
117 #region ---------判断文件是否为文件夹 bool IsFolder(string strName)
118 public bool IsFolder(string strName)
119 {
120 string m = string.Empty;
121 int dirPos = strName.IndexOf("");
122 if (dirPos > 0)
123 {
124 /*判断 Windows 风格*/
125 m += strName.Substring(dirPos + 5).Trim() + "\n";
126 return true;
127 }
128 else if (strName.Trim().Substring(0, 1).ToUpper() == "D")
129 {
130 /*判断 Unix 风格*/
131 string dir = strName.Substring(54).Trim();
132 if (dir != "." && dir != "..")
133 {
134 m += dir + "\n";
135 return true;
136 }
137 }
138 return false;
139 }
140 #endregion
141
142 #region ---------单个文件下载方法 void download(string adss, string ftpadss)
143 ///
144 /// 单个文件下载方法
145 ///
146 /// 保存文件的本地路径
147 /// 下载文件的FTP路径
148 public void download(string adss, string ftpadss)
149 {
150 try
151 {
152 //FileMode常数确定如何打开或创建文件,指定操作系统应创建新文件。
153 //FileMode.Create如果文件已存在，它将被改写
154 FileStream outputStream = new FileStream(adss, FileMode.Create);
155 FtpWebRequest downRequest = (FtpWebRequest)WebRequest.Create(new Uri(ftpadss));
156 //设置要发送到 FTP 服务器的命令
157 downRequest.Credentials = new NetworkCredential(userName, password);
158 downRequest.Method = WebRequestMethods.Ftp.DownloadFile;
159 FtpWebResponse response = (FtpWebResponse)downRequest.GetResponse();
160 Stream ftpStream = response.GetResponseStream();
161 long cl = response.ContentLength;//ftp上获取文件的长度
162 int bufferSize = 2048;//一次获取文件大小 为 2M
163 int readCount;
164 byte[] buffer = new byte;//设置缓存区
165 readCount = ftpStream.Read(buffer, 0, bufferSize);//从当前流中读取字节到缓存 buffer中readCount读取字节数
166 while (readCount > 0)//读取字节数大于O循环读取
167 {
168 outputStream.Write(buffer, 0, readCount);//从缓存区读取字节到流中
169 readCount = ftpStream.Read(buffer, 0, bufferSize);
170 }
171 ftpStream.Close();
172 outputStream.Close();
173 response.Close();
174 }
175 catch (Exception ex)
176 {
177 MessageBox.Show(ex.Message);
178 }
179 }
180 #endregion
181 ///
182 /// FTP地址路径
183 /// 我们所选择的文件或者文件夹名字
184 /// 要发送到FTP服务器的命令
185 ///
186 public string[] ftp(string ftpads, string name, string type)
187 {
188 WebResponse webresp = null;
189 StreamReader ftpFileListReader = null;
190 FtpWebRequest ftpRequest = null;
191 try
192 {
193 ftpRequest = (FtpWebRequest)WebRequest.Create(new Uri(ftpads + name));
194 ftpRequest.UseBinary = true;
195 ftpRequest.Credentials = new NetworkCredential("wangqihe", "123456");
196 ftpRequest.Method = type;
197 webresp = ftpRequest.GetResponse();
198 ftpFileListReader = new StreamReader(webresp.GetResponseStream(), Encoding.Default);
199 }
200 catch (Exception ex)
201 {
202 ex.ToString();
203 }
204 StringBuilder str = new StringBuilder();
205 string line = ftpFileListReader.ReadLine();
206 while (line != null)
207 {
208 str.Append(line);
209 str.Append("鼯");
210 line = ftpFileListReader.ReadLine();
211 }
212 string[] fen = str.ToString().Split('鼯');
213 return fen;
214 }
215
216 #region ---------下载文件下的所有文件 void downftp(string ftpads, string name, string Myads)
217 ///
218 /// 下载方法KO
219 ///
220 /// FTP路径
221 /// 需要下载文件路径
222 /// 保存的本地路径
223 public void downftp(string ftpads, string name, string Myads)
224 {
225 string downloadDir = Myads + name;
226 string ftpdir = ftpads + name;
227 string[] fullname = ftp(ftpads, name, WebRequestMethods.Ftp.ListDirectoryDetails);
228 //判断是否为单个文件
229 if (fullname.Length
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