这篇文章主要介绍了,DirectInfo.GetFiles返回数组的默认排序示例NTFS和CDFS下，是按照字母顺序，而FAT下，按照文件创建时间顺序
using System;
using System.Collections;
using System.IO;
namespace ConsoleApplication1
{
///
/// 文件排序类
///
public class FileSort : IComparer
{
private FileOrder _fileorder;
private FileAsc _fileasc;
///
/// 构造函数
///
public FileSort()
: this(FileOrder.Name, FileAsc.Asc)
{ }
///
/// 构造函数
///
///
public FileSort(FileOrder fileorder)
: this(fileorder, FileAsc.Asc)
{ }
///
/// 构造函数
///
///
///
public FileSort(FileOrder fileorder, FileAsc fileasc)
{
_fileorder = fileorder;
_fileasc = fileasc;
}
///
/// 比较函数
///
///
///
///
public int Compare(object x, object y)
{
FileInfo file1 = x as FileInfo;
FileInfo file2 = y as FileInfo;
FileInfo file3;
if (file1 == null || file2 == null)
throw new ArgumentException("参数不是FileInfo类实例.");
if (_fileasc == FileAsc.Desc)
{
file3 = file1;
file1 = file2;
file2 = file3;
}
switch (_fileorder)
{
case FileOrder.Name:
return file1.Name.CompareTo(file2.Name);
case FileOrder.Length:
return file1.Length.CompareTo(file2.Length);
case FileOrder.Extension:
return file1.Extension.CompareTo(file2.Extension);
case FileOrder.CreationTime:
return file1.CreationTime.CompareTo(file2.CreationTime);
case FileOrder.LastAccessTime:
return file1.LastAccessTime.CompareTo(file2.LastAccessTime);
case FileOrder.LastWriteTime:
return file1.LastWriteTime.CompareTo(file2.LastWriteTime);
default:
return 0;
}
}
}
///
/// 排序依据
///
public enum FileOrder
{
///
/// 文件名
///
Name,
///
/// 大小
///
Length,
///
/// 类型
///
Extension,
///
/// 创建时间
///
CreationTime,
///
/// 访问时间
///
LastAccessTime,
///
/// 修改时间
///
LastWriteTime
}
///
/// 升序降序
///
public enum FileAsc
{
///
/// 升序
///
Asc,
///
/// 降序
///
Desc
}
}
以上就是DirectInfo.GetFiles返回数组的默认排序示例的详细内容，更多请关注0133技术站其它相关文章！
