C# 清空文件夹内容

 1 　　　　　/// 

 2         /// 清空文件夹
 3         /// 
 4         /// 文件夹路径
 5         /// 过期时间
 6         private void removeTemporaryFiles(string filefullPath, int FileExpirationTime)
 7         {
 8 　　　　　　　　　　DirectoryInfo dir = new DirectoryInfo(filefullPath);
 9                 if (dir.Exists)
10                 {
11                     DirectoryInfo[] childs = dir.GetDirectories();
12                     foreach (DirectoryInfo child in childs)
13                     {
14                         if (child.CreationTime < DateTime.Now.AddMinutes(-FileExpirationTime))
15                             child.Delete(true);
16                     }
17                 }
18 　　　　　　　　　　//清空文件夹内zip压缩文件
19                 foreach (string file in Directory.GetFiles(filefullPath, "*.zip"))
20                 {
21                     FileInfo fileInfo = new FileInfo(file);
22                     if (fileInfo.CreationTime < DateTime.Now.AddMinutes(-FileExpirationTime))
23                     {
24                         fileInfo.Delete();
25                     }
26                 }
27 
28         
29         }