DotNet编程-星光伴我行

滴滴真谛 水滴石穿

  博客园  :: 首页  :: 新随笔  :: 联系 :: 订阅 订阅  :: 管理
                                                获取当前文件夹下的所有空文件夹路径信息
  1using System;
  2using System.Drawing;
  3using System.Collections;
  4using System.ComponentModel;
  5using System.Windows.Forms;
  6using System.Data;
  7using System.IO;
  8
  9namespace 删除空文件夹
 10{
 11    /// <summary>
 12    /// Form1 的摘要说明。
 13    /// </summary>

 14    public class Form1 : System.Windows.Forms.Form
 15    {
 16        private System.Windows.Forms.Button button1;
 17        private System.Windows.Forms.RichTextBox richTextBox1;
 18        /// <summary>
 19        /// 必需的设计器变量。
 20        /// </summary>

 21        private System.ComponentModel.Container components = null;
 22
 23        public Form1()
 24        {
 25            //
 26            // Windows 窗体设计器支持所必需的
 27            //
 28            InitializeComponent();
 29
 30            //
 31            // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
 32            //
 33        }

 34
 35        /// <summary>
 36        /// 清理所有正在使用的资源。
 37        /// </summary>

 38        protected override void Dispose( bool disposing )
 39        {
 40            if( disposing )
 41            {
 42                if (components != null
 43                {
 44                    components.Dispose();
 45                }

 46            }

 47            base.Dispose( disposing );
 48        }

 49
 50        Windows 窗体设计器生成的代码
 94
 95        /// <summary>
 96        /// 应用程序的主入口点。
 97        /// </summary>

 98        [STAThread]
 99        static void Main() 
100        {
101            Application.Run(new Form1());
102        }

103        //遍历当前文件夹下的空文件夹(包括它的下一级文件夹)
104        private void SearchDirectoryEmptyFolder(string  targetDirectory ) 
105        {
106            if (Directory.Exists(targetDirectory))
107            {
108                DirectoryInfo di = new DirectoryInfo(targetDirectory);
109                if( DirSize(di)== 0)
110                {
111
112                    //    ' Empty folder 
113                    w1++;
114                    this.richTextBox1.Text +=w1.ToString()+  ("Folder " + targetDirectory +" is empty\n") ;
115                }

116                else
117                {
118                    //' Recurse subdirectories of this directory 
119                    //string  subdirectory ="";
120                    string[] subdirectoryEntries = Directory.GetDirectories(targetDirectory) ;
121                    foreachstring subdirectory in subdirectoryEntries )
122                    {
123                        //this.richTextBox1.Text +=("Folder is " + subdirectory+"\n") ;
124                        SearchDirectoryEmptyFolder(subdirectory) ;
125                    }

126                }

127            }

128        }

129        //遍历当前文件夹下的所有文件信息(包括它的下一级文件夹)
130        public static void DirSearch(DirectoryInfo d) 
131        {
132            //get the current directory files information
133            FileInfo[] files =  d.GetFiles();
134            Console.WriteLine("Total number of txt files:{0}",files.Length);
135            foreach(FileInfo f in files)
136            {
137                Console.WriteLine("Name is : {0}", f.Name);
138                Console.WriteLine("Length of the file is : {0}", f.Length);
139                Console.WriteLine("Creation time is : {0}", f.CreationTime);
140                Console.WriteLine("the path of the file: {0}",f.FullName);
141                Console.WriteLine("Attributes of the file are : {0}",
142                    f.Attributes.ToString());
143            }

144            
145            // recursion transfer get the next directory information
146            DirectoryInfo[] dis = d.GetDirectories();
147            foreach (DirectoryInfo di in dis)
148            {
149                DirSearch(di);
150            }

151        }

152
153
154        int w1=0;
155        //遍历当前文件夹下的所有文件夹名(包括它的下一级文件夹))
156        private void SearchDirectoryFolder(string  targetDirectory ) 
157        {
158            if (Directory.Exists(targetDirectory))
159            {
160                if( Directory.GetFileSystemEntries(targetDirectory).Length == 0)
161                {
162                    //Empty folder 
163                    w1++;
164                    this.richTextBox1.Text +=w1.ToString()+  ("Folder " + targetDirectory +" is empty\n") ;
165                }

166                else
167                {
168                    //' Recurse subdirectories of this directory 
169                    string[] subdirectoryEntries = Directory.GetDirectories(targetDirectory) ;
170                    foreachstring subdirectory in subdirectoryEntries )
171                    {
172                        //this.richTextBox1.Text +=("Folder is " + subdirectory+"\n") ;
173                        SearchDirectoryFolder(subdirectory) ;
174                    }

175                }

176            }

177        }

178
179        private void button1_Click(object sender, System.EventArgs e)
180        {
181            this.richTextBox1.Text =""
182    
183            //SearchDirectoryFolder(@"c:\CarArchives");
184            //DirectoryInfo di = new DirectoryInfo(@"c:\CarArchives");
185            //long i=DirSize(di)/1024;
186            //this.richTextBox1.Text = (i.ToString()+"KB" ) ;
187            //SearchDirectoryEmptyFolder(@"c:\CarArchives");
188            //ProcessDirectory(@"c:\CarArchives");
189            PrintFileSystemEntries(@"c:\CarArchives\2005");
190        }

191
192        
193
194        //计算当前文件夹的大小(包括它的下一级文件夹)
195        public  long DirSize(DirectoryInfo d) 
196        {    
197            long Size = 0;    
198            // Add file sizes.
199            FileInfo[] fis = d.GetFiles();
200            foreach (FileInfo fi in fis) 
201            {      
202                Size +=fi.Length; ;
203            }

204            // Add subdirectory sizes.
205            DirectoryInfo[] dis = d.GetDirectories();
206            foreach (DirectoryInfo di in dis) 
207            {
208                Size +=DirSize(di);  ;
209            }

210            return(Size);  
211        }

212
213        //获取当前文件夹中的所有文件和文件夹(不包括它的下一级目录)
214        void PrintFileSystemEntries(string path) 
215        {
216            
217            try 
218            {
219                // Obtain the file system entries in the directory path.
220                string[] directoryEntries =
221                    System.IO.Directory.GetFileSystemEntries(path); 
222
223                foreach (string str in directoryEntries) 
224                {
225                    //System.Console.WriteLine(str);
226                    this.richTextBox1.Text+=str+"\n"  ;
227                }

228            }

229            catch (ArgumentNullException) 
230            {
231                System.Console.WriteLine("Path is a null reference.");
232            }

233            catch (System.Security.SecurityException) 
234            {
235                System.Console.WriteLine("The caller does not have the " +
236                    "required permission.");
237            }

238            catch (ArgumentException) 
239            {
240                System.Console.WriteLine("Path is an empty string, " +
241                    "contains only white spaces, " + 
242                    "or contains invalid characters.");
243            }

244            catch (System.IO.DirectoryNotFoundException) 
245            {
246                System.Console.WriteLine("The path encapsulated in the " + 
247                    "Directory object does not exist.");
248            }

249        }

250
251        //获取当前文件夹下的所有文件和文件夹(不包括它的下一级目录)
252        public  void ProcessDirectory(string targetDirectory) 
253        {
254            // Process the list of files found in the directory.
255            string [] fileEntries = Directory.GetFiles(targetDirectory);
256            foreach(string fileName in fileEntries)
257                this.richTextBox1.Text +=fileName+"\n";
258            // Recurse into subdirectories of this directory.
259            string [] subdirectoryEntries = Directory.GetDirectories(targetDirectory);
260            foreach(string subdirectory in subdirectoryEntries)
261            {
262                this.richTextBox1.Text += subdirectory+"\n"+"**********************************\n\n"    ;
263                ProcessDirectory(subdirectory);
264            }

265
266            
267        }

268
269    }

270
271
272}

273
posted on 2005-12-07 10:18  DotNet编程  阅读(1738)  评论(0编辑  收藏  举报