1         /// <summary>
 2         /// 添加文件夹用户和权限
 3         /// </summary>
 4         /// <param name="pathname">文件夹路径</param>
 5         /// <param name="username">用户名称</param>
 6         /// <param name="privilege">用户权限0：完全控制1：只读2：写入</param>
 7         public void AddPathPri(string pathname, string username, int privilege)
 8         {
 9             try
10             {
11                 DirectoryInfo dirinfo = new DirectoryInfo(pathname);
12                 if ((dirinfo.Attributes & FileAttributes.ReadOnly) != 0)
13                 {
14                     dirinfo.Attributes = FileAttributes.Normal;
15                 }
16                 //取得访问控制列表
17                 DirectorySecurity dirsecurity = dirinfo.GetAccessControl();
18                 switch (privilege)
19                 {
20                     case 0:
21                         dirsecurity.AddAccessRule(new FileSystemAccessRule(username, FileSystemRights.FullControl, InheritanceFlags.ContainerInherit | InheritanceFlags.ObjectInherit, PropagationFlags.None, AccessControlType.Allow));
22                         break;
23                     case 1:
24 
25                         dirsecurity.AddAccessRule(new FileSystemAccessRule(username, FileSystemRights.Read, AccessControlType.Allow));
26                         break;
27                     case 2:
28                         dirsecurity.AddAccessRule(new FileSystemAccessRule(username, FileSystemRights.Write, AccessControlType.Allow));
29                         break;
30                     default:
31                         dirsecurity.AddAccessRule(new FileSystemAccessRule(username, FileSystemRights.FullControl, AccessControlType.Deny));
32                         break;
33                 }
34                 dirinfo.SetAccessControl(dirsecurity);
35             }
36             catch
37             {
38                 //nothing；
39             }
40         }