refactor: Common components are moved to the Common library.

src/ZonyLrcTools.Common/Infrastructure/IO/FileStreamExtensions.cs

@@ -0,0 +1,38 @@
+namespace ZonyLrcTools.Common.Infrastructure.IO
+{
+    public static class FileStreamExtensions
+    {
+        /// <summary>
+        /// 将字节数据通过缓冲区的形式，写入到文件当中。
+        /// </summary>
+        /// <param name="fileStream">需要写入数据的文件流。</param>
+        /// <param name="data">等待写入的数据。</param>
+        /// <param name="bufferSize">缓冲区大小。</param>
+        public static async Task WriteBytesToFileAsync(this FileStream fileStream, byte[] data, int bufferSize = 1024)
+        {
+            await using (fileStream)
+            {
+                var count = data.Length / 1024;
+                var modCount = data.Length % 1024;
+                if (count <= 0)
+                {
+                    await fileStream.WriteAsync(data, 0, modCount);
+                }
+                else
+                {
+                    for (var i = 0; i < count; i++)
+                    {
+                        await fileStream.WriteAsync(data, i * 1024, 1024);
+                    }
+
+                    if (modCount != 0)
+                    {
+                        await fileStream.WriteAsync(data, count * 1024, modCount);
+                    }
+                }
+
+                await fileStream.FlushAsync();
+            }
+        }
+    }
+}