8

可能重复:
如何从 C# 中的文件中获取修改日期

您如何使用 C# 读取文件的创建/上次修改时间戳?

4

3 回答 3

22

来自:http ://www.csharp-examples.net/file-creation-modification-time/

// local times
DateTime creationTime = File.GetCreationTime(@"c:\file.txt");
DateTime lastWriteTime = File.GetLastWriteTime(@"c:\file.txt");
DateTime lastAccessTime = File.GetLastAccessTime(@"c:\file.txt");

// UTC times
DateTime creationTimeUtc = File.GetCreationTimeUtc(@"c:\file.txt");
DateTime lastWriteTimeUtc = File.GetLastWriteTimeUtc(@"c:\file.txt");
DateTime lastAccessTimeUtc = File.GetLastAccessTimeUtc(@"c:\file.txt");

// write file last modification time (local / UTC)
Console.WriteLine(lastWriteTime);     // 9/30/2007 2:16:04 PM
Console.WriteLine(lastWriteTimeUtc);  // 9/30/2007 6:16:04 PM
于 2012-09-18T20:33:32.117 回答
3

请参阅System.IO.FileInfo

   var info = new FileInfo(@"C:\thefile.txt");    
   var created = info.CreationTime;    
   var modified = info.LastWriteTime;
于 2012-09-18T20:34:42.600 回答
3
using System;
using System.IO;

namespace getLastTimeStamp
{
    class Program
    {
        static void Main(string[] args)
        {
            FileInfo info = new FileInfo(@"C:\temp\getLastTimeStamp\Program.cs");

            Console.WriteLine(info.CreationTime.ToString());
            Console.WriteLine(info.LastWriteTime.ToString());

            Console.ReadLine();
        }
    }
}
于 2012-09-18T20:38:17.703 回答