79 lines
2.7 KiB
C#
79 lines
2.7 KiB
C#
namespace dy.net.utils
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{
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public class DouyinFileUtils
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{
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/// <summary>
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/// 将字节数转换为GB（采用二进制换算：1GB = 1024^3 Byte）
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/// </summary>
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/// <param name="bytes">字节数（需使用long类型避免大数值溢出）</param>
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/// <param name="decimalPlaces">保留的小数位数</param>
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/// <returns>转换后的GB值</returns>
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public static string ConvertBytesToGb(long bytes, int decimalPlaces = 2)
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{
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// 1GB = 1024 * 1024 * 1024 = 1073741824 Byte
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double gb = (double)bytes / 1073741824;
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// 四舍五入保留指定小数位数
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return Math.Round(gb, decimalPlaces).ToString("F2");
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}
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/// <summary>
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/// 获取宿主机所有本地固定磁盘的总空间（GB）
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/// </summary>
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/// <returns>总空间字符串（如 "1408.35 GB"），失败时返回错误信息</returns>
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public static string GetHostTotalDiskSpaceGB()
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{
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try
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{
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// 1. 获取所有驱动器
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DriveInfo[] allDrives = DriveInfo.GetDrives();
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// 2. 筛选：仅保留“就绪的本地固定磁盘”（DriveType.Fixed）
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var fixedDrives = allDrives.Where(drive =>
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drive.IsReady &&
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drive.DriveType == DriveType.Fixed
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).ToList();
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if (!fixedDrives.Any())
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{
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return "未找到可用的本地固定磁盘";
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}
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// 3. 累加所有固定磁盘的总空间（字节）
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long totalBytes = fixedDrives.Sum(drive => drive.TotalSize);
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// 4. 转换为GB并保留2位小数
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return ConvertBytesToGb(totalBytes);
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}
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catch (UnauthorizedAccessException)
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{
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return "权限不足，无法访问部分磁盘";
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}
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catch (Exception ex)
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{
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return $"获取宿主机总磁盘空间失败：{ex.Message}";
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}
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}
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/// <summary>
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/// 极简版：计算多个文件的总大小（字节）
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/// </summary>
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/// <param name="filePaths">文件路径列表</param>
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/// <returns>总字节数</returns>
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public static long GetTotalFileSize(List<string> filePaths)
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{
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long totalSize = 0;
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foreach (var path in filePaths)
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{
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// 仅判断文件是否存在，存在则累加大小
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if (File.Exists(path))
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{
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totalSize += new FileInfo(path).Length;
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}
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}
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return totalSize;
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}
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}
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}
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