Web您的MemoryStream位于末尾。 更好的代码应该是使用 MemoryStream (Byte [], Int32, Int32, Boolean) 构造函数在相同的缓冲区上创建新的R/o内存流。 修剪过的缓冲区上最简单的读/写: return File(new MemoryStream(stream.ToArray()); R/o在不复制内部缓冲区的情况下: return File(new MemoryStream(stream.GetBuffer(), 0, (int)stream.Length, false); … Web3 jul. 2014 · GetEncoding (" Windows-1252 "); // Only encoding that allows special chacters in Mac and Windows Excel using (var stream = new MemoryStream ()) using (var streamWriter = new StreamWriter (stream, encoding)) using (var csvWriter = new CsvWriter (streamWriter, new CsvConfiguration {Encoding = encoding})) { csvWriter.
Writing to then reading from a MemoryStream - Stack Overflow
Webc# - 使用 StreamWriter 写入 MemoryStream 返回空. 我不确定自己做错了什么,看过很多例子,但似乎无法正常工作。. public static Stream Foo() { var memStream = new … Websetting the memory streams position to the beginning might help. stream.Position = 0; But the core problem is that the StreamWriter is closing your memory stream when it is … albi dell\u0027intrepido
Writing to Memory Streams in C# - GitHub Pages
Web24 mrt. 2024 · MemoryStream.ToArray () 関数 は、 のコンテンツを変換します MemoryStream を C# のバイト配列に変換します。 MemoryStream.ToArray () 関数の戻り値の型は byte [] です。 次のコード例は、C# の MemoryStream.ToArray () 関数を使用して MemoryStream を byte [] に変換する方法を示しています。 MemoryStream ms = new … Web29 jun. 2024 · using ( var memoryStream = new MemoryStream ()) using ( var writer = new StreamWriter (memoryStream )) { // Various for loops etc as necessary that will ultimately do this: writer.Write (...); } Solution 2 That is the best method. Other wise loss the StringBuilder and use something like following: WebStreamWriter sw = null; StreamReader sr = null; try { using (var ms = new MemoryStream ()) { sw = new StreamWriter ( ms); sr = new StreamReader ( ms); sw.WriteLine("data"); sw.WriteLine("data 2"); ms.Position = 0; Console.WriteLine( sr.ReadToEnd()); } } finally { if ( sw != null) sw.Dispose(); if ( sr != null) sr.Dispose(); } 相关讨论 albi dei supereroi