1  class WatcherAndBackup
 2     {
 3         string sourcefile = "";//源文件
 4         string targetfile = "";//目标文件
 5         string targetPath = "";//目标路径
 6         public WatcherAndBackup(string Sourcefile,string Targetfile,string TargetPath)
 7         {
 8             sourcefile = Sourcefile;targetfile = Targetfile;targetPath = TargetPath;
 9         }
10        
11         public void backup(string sourcefile,string targetfile,string targetPath)
12         {
13             try
14             {
15                 if (!Directory.Exists(targetPath))
16                 {
17                     Directory.CreateDirectory(targetPath);
18                     
19                 }
20                 File.Copy(sourcefile, targetfile, true);
21 
22             }
23             catch { }
24         }
25         #region 实时监视文件更改并且备份文件
26         public void watcherfile(string path,string file)
27         {
28             FileSystemWatcher fsw = new FileSystemWatcher(path, file);
29             fsw.Changed += new FileSystemEventHandler(change_watcher);
30             fsw.Created += new FileSystemEventHandler(change_watcher);
31             fsw.Deleted += new FileSystemEventHandler(change_watcher);
32             fsw.Renamed += new RenamedEventHandler(rename_watcher);
33             fsw.EnableRaisingEvents = true;
34             Console.WriteLine("开始监视。。。。");
35             fsw.NotifyFilter = NotifyFilters.Attributes | NotifyFilters.CreationTime | NotifyFilters.DirectoryName | NotifyFilters.FileName
36                 | NotifyFilters.LastAccess | NotifyFilters.Security | NotifyFilters.Size | NotifyFilters.LastWrite;
37             fsw.IncludeSubdirectories = true;
38         }
39         public void change_watcher(object sender,FileSystemEventArgs e)
40         {
41            
42             var wacher = sender as FileSystemWatcher;
43             wacher.EnableRaisingEvents = false;
44             
45             if (e.ChangeType==WatcherChangeTypes.Changed)
46             {
47                 Console.WriteLine("正在备份。。。");
48                     backup(sourcefile,targetfile,targetPath);
49                     Console.WriteLine("备份成功。。。");
50                                
51             }
52             else if (e.ChangeType==WatcherChangeTypes.Created)
53             {
54                 Console.WriteLine("{0},{1},{2}", e.ChangeType, e.FullPath, e.Name);
55                 return;
56             }
57             else if (e.ChangeType==WatcherChangeTypes.Deleted)
58             {
59                 Console.WriteLine("{0},{1},{2}", e.ChangeType, e.FullPath, e.Name);
60                 return;
61             }
62             wacher.EnableRaisingEvents = true;
63         }
64         public void rename_watcher(object sender,RenamedEventArgs e)
65         {
66             Console.WriteLine("{0},{1},{2}", e.ChangeType, e.FullPath, e.Name);
67         }
68         #endregion
69 
70     }