摘要：
1.Stream 转换为 MemoryStream(Stream不支持查找) MemoryStream StreamToMemoryStream(Stream instream) { MemoryStream outstream = new MemoryStream(); const int buf 阅读全文
摘要：
//以字符流的形式下载文件 FileStream fs = new FileStream(filePath, FileMode.Open); byte[] bytes = new byte[(int)fs.Length]; fs.Read(bytes, 0, bytes.Length); fs.Cl 阅读全文