递归算法的实际应用
1 static void DeleteFolder(string dir) 2 { 3 foreach (string d in Directory.GetFileSystemEntries(dir)) 4 { 5 //判断路径是否存在 6 if (File.Exists(d)) 7 { 8 FileInfo fi = new FileInfo(d); 9 //去除文件夹的只读属性 10 if (fi.Attributes.ToString().IndexOf("ReadOnly") != -1) 11 fi.Attributes = FileAttributes.Normal; 12 File.Delete(d);//直接删除其中的文件 13 } 14 else 15 { 16 DirectoryInfo d1 = new DirectoryInfo(d); 17 if (d1.GetFiles().Length != 0) 18 { 19 DeleteFolder(d1.FullName);////递归删除子文件夹 20 } 21 Directory.Delete(d); 22 } 23 } 24 }TRANSLATE with
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