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src/Util.FileStorage/FileSize.cs

@@ -0,0 +1,82 @@
+namespace Util.FileStorage; 
+
+/// <summary>
+/// 文件大小
+/// </summary>
+public readonly struct FileSize {
+    /// <summary>
+    /// 文件字节长度
+    /// </summary>
+    private readonly long _size;
+
+    /// <summary>
+    /// 初始化文件大小
+    /// </summary>
+    /// <param name="size">文件大小</param>
+    /// <param name="unit">文件大小单位</param>
+    public FileSize( long size, FileSizeUnit unit = FileSizeUnit.Byte ) {
+        _size = GetSize( size, unit );
+    }
+
+    /// <summary>
+    /// 获取文件大小
+    /// </summary>
+    private static long GetSize( long size, FileSizeUnit unit ) {
+        switch ( unit ) {
+            case FileSizeUnit.K:
+                return size * 1024;
+            case FileSizeUnit.M:
+                return size * 1024 * 1024;
+            case FileSizeUnit.G:
+                return size * 1024 * 1024 * 1024;
+            default:
+                return size;
+        }
+    }
+
+    /// <summary>
+    /// 文件字节长度
+    /// </summary>
+    public long Size => _size;
+
+    /// <summary>
+    /// 获取文件大小，单位：字节
+    /// </summary>
+    public int GetSize() {
+        return Util.Helpers.Convert.ToInt( Size );
+    }
+
+    /// <summary>
+    /// 获取文件大小，单位：K
+    /// </summary>
+    public double GetSizeByK() {
+        return Util.Helpers.Convert.ToDouble( _size / 1024.0, 2 );
+    }
+
+    /// <summary>
+    /// 获取文件大小，单位：M
+    /// </summary>
+    public double GetSizeByM() {
+        return Util.Helpers.Convert.ToDouble( _size / 1024.0 / 1024.0, 2 );
+    }
+
+    /// <summary>
+    /// 获取文件大小，单位：G
+    /// </summary>
+    public double GetSizeByG() {
+        return Util.Helpers.Convert.ToDouble( _size / 1024.0 / 1024.0 / 1024.0, 2 );
+    }
+
+    /// <summary>
+    /// 输出描述
+    /// </summary>
+    public override string ToString() {
+        if ( _size >= 1024 * 1024 * 1024 )
+            return $"{GetSizeByG()} {FileSizeUnit.G.Description()}";
+        if ( _size >= 1024 * 1024 )
+            return $"{GetSizeByM()} {FileSizeUnit.M.Description()}";
+        if ( _size >= 1024 )
+            return $"{GetSizeByK()} {FileSizeUnit.K.Description()}";
+        return $"{_size} {FileSizeUnit.Byte.Description()}";
+    }
+}

src/Util.FileStorage/FileSizeUnit.cs

@@ -0,0 +1,27 @@
+namespace Util.FileStorage; 
+
+/// <summary>
+/// 文件大小单位
+/// </summary>
+public enum FileSizeUnit {
+    /// <summary>
+    /// 字节
+    /// </summary>
+    [Description( "B" )]
+    Byte,
+    /// <summary>
+    /// K字节
+    /// </summary>
+    [Description( "KB" )]
+    K,
+    /// <summary>
+    /// M字节
+    /// </summary>
+    [Description( "MB" )]
+    M,
+    /// <summary>
+    /// G字节
+    /// </summary>
+    [Description( "GB" )]
+    G
+}

src/Util.FileStorage/FileStorageInfo.cs

@@ -0,0 +1,43 @@
+namespace Util.FileStorage; 
+
+/// <summary>
+/// 文件信息
+/// </summary>
+public class FileStorageInfo {
+    /// <summary>
+    /// 文件标识
+    /// </summary>
+    public string Id { get; set; }
+    /// <summary>
+    /// 文件路径
+    /// </summary>
+    public string FilePath { get; set; }
+    /// <summary>
+    /// 文件名,包含扩展名
+    /// </summary>
+    public string FileName { get; set; }
+    /// <summary>
+    /// 文件名,不包含扩展名
+    /// </summary>
+    public string FileNameWithoutExtension { get; set; }
+    /// <summary>
+    /// 扩展名
+    /// </summary>
+    public string Extension { get; set; }
+    /// <summary>
+    /// 文件大小
+    /// </summary>
+    public long Size { get; set; }
+    /// <summary>
+    /// 文件大小描述
+    /// </summary>
+    public string SizeDescription { get; set; }
+    /// <summary>
+    /// 文件访问地址
+    /// </summary>
+    public string Url { get; set; }
+    /// <summary>
+    /// 缩略图访问地址
+    /// </summary>
+    public string ThumbUrl { get; set; }
+}

src/Util.FileStorage/Usings.cs

@@ -3,3 +3,4 @@ global using System.Threading.Tasks;
 global using System.Collections.Generic;
 global using System.Threading;
 global using System.IO;
+global using System.ComponentModel;