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Tool/FileHelper.cs

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+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Tool
+{
+    public class FileHelper
+    {
+        public void Transport(string file, string dst, string product)
+        {
+            string src;
+            src = file;
+
+            FileStream inFileStream = new FileStream(src, FileMode.Open);
+            if (!Directory.Exists(dst))
+            {
+                Directory.CreateDirectory(dst);
+            }
+            dst = dst + "\\" + product;
+            FileStream outFileStream = new FileStream(dst, FileMode.OpenOrCreate);
+            try
+            {
+                byte[] buf = new byte[inFileStream.Length];
+
+                int byteCount;
+
+                while ((byteCount = inFileStream.Read(buf, 0, buf.Length)) > 0)
+                {
+                    outFileStream.Write(buf, 0, byteCount);
+                }
+
+                inFileStream.Flush();
+                outFileStream.Flush();
+            }
+            finally
+            {
+                inFileStream.Close();
+                outFileStream.Close();
+            }
+
+        }
+    }
+}