44 lines
1.3 KiB
C#
44 lines
1.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Security.Cryptography;
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using System.Text;
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namespace Infrastructure
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{
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public class FileUtil
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{
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/// <summary>
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/// 按时间来创建文件夹
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/// </summary>
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/// <param name="path"></param>
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/// <returns>eg: /{yourPath}/2020/11/3/</returns>
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public static string GetdirPath(string path = "")
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{
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DateTime date = DateTime.Now;
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string timeDir = date.ToString("yyyyMMdd");// date.ToString("yyyyMM/dd/HH/");
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if (!string.IsNullOrEmpty(path))
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{
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timeDir = Path.Combine(path, timeDir);
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}
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return timeDir;
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}
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/// <summary>
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/// 取文件名的MD5值(16位)
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/// </summary>
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/// <param name="str">文件名，不包括扩展名</param>
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/// <returns></returns>
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public static string HashFileName(string str = null)
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{
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if (string.IsNullOrEmpty(str))
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{
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str = Guid.NewGuid().ToString();
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}
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MD5 md5 = MD5.Create();
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return BitConverter.ToString(md5.ComputeHash(Encoding.Default.GetBytes(str)), 4, 8).Replace("-", "");
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}
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}
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}
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