optimise files

CS/16_2/Program.cs

@@ -0,0 +1,33 @@
+using System;
+using System.IO;
+
+namespace _16_2
+{
+    class CopyDir
+    {
+        static public void CopyDirectory(string srcDir, string dstDir)
+        {
+            DirectoryInfo src = new DirectoryInfo(srcDir);
+            DirectoryInfo dst = new DirectoryInfo(dstDir);
+            if (!src.Exists) return;
+            if (!dst.Exists) dst.Create();
+            FileInfo[] sfs = src.GetFiles();
+            for (int i = 0; i < sfs.Length; i++) File.Copy(sfs[i].FullName, sfs[i].FullName + "\\" + sfs[i].Name, true);
+            DirectoryInfo[] srcDirs = src.GetDirectories();
+            for (int j = 0; j < srcDirs.Length; j++)
+                CopyDirectory(srcDirs[j].FullName, dst.FullName + "\\" + srcDirs[j].Name);
+        }
+        static void Main(string[] args)
+        {
+            try
+            {
+                string src = args[0];
+                string dst = args[1];
+                CopyDirectory(src, dst);
+                Console.WriteLine("\n 源目录{0}的内容已复制到目标目录{1}中", src, dst);
+            }
+            catch (Exception e) { Console.WriteLine("\n 操作失败 {0}", e.ToString()); }
+            finally { }
+        }
+    }
+}