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string path = "~/Document/Introduction/团队管理制度/";
DirectoryInfo dirinfo = new DirectoryInfo(Server.MapPath(path));
FileInfo[] Files = dirinfo.GetFiles();
Array.Sort<FileInfo>(Files, new FIleLastTimeComparer());
//在页面上显示最近更新的两个文件的下载链接
for (int i = 0; i < 2; i++)
{
Literal literal = new Literal();
literal.Text = "</br>";
Panel1.Controls.Add(literal);//实现换行显示
HyperLink hypelink = new HyperLink();
hypelink.NavigateUrl = path + Files[i].Name;
hypelink.Text = Files[i].Name;
Panel1.Controls.Add(hypelink);
}
public class FIleLastTimeComparer : IComparer<FileInfo>
{
public int Compare(FileInfo x, FileInfo y)
{
return y.LastWriteTime.CompareTo(x.LastWriteTime);//递减
//return x.LastWriteTime.CompareTo(y.LastWriteTime);//递增
}
}
using System.IO;
private void button1_Click(object sender, EventArgs e)
{
//DirectoryInfo[] list = new DirectoryInfo(path).GetDirectories();// path：文件夹路径
DirectoryInfo[] list = new DirectoryInfo(@"D:\软件").GetDirectories();
Array.Sort<DirectoryInfo>(list, new DirectoryLastTimeComparer());
textBox1.Text = list[list.Length - 1].FullName;//文件夹的全路径以及名字
textBox1.Text = list[list.Length - 1].Name; //文件夹的名字
}
private void button2_Click(object sender, EventArgs e)
{
FileInfo[] list = new DirectoryInfo(@"D:\软件").GetFiles();
Array.Sort<FileInfo>(list, new FIleLastTimeComparer());
textBox1.Text = list[list.Length - 1].FullName;//文件的全路径以及名字
textBox1.Text = list[list.Length - 1].Name; //文件的名字
}
}
//文件夹中按时间排序最新的文件读取
public class DirectoryLastTimeComparer : IComparer<DirectoryInfo>
{
#region IComparer<DirectoryInfo> 成员
public int Compare(DirectoryInfo x, DirectoryInfo y)
{
return x.LastWriteTime.CompareTo(y.LastWriteTime);
//依名称排序
//return x.FullName.CompareTo(y.FullName);//递增
//return y.FullName.CompareTo(x.FullName);//递减
//依修改日期排序
//return x.LastWriteTime.CompareTo(y.LastWriteTime);//递增
//return y.LastWriteTime.CompareTo(x.LastWriteTime);//递减
}
#endregion
}
//文件夹中按时间排序最新的文件读取
public class FIleLastTimeComparer : IComparer<FileInfo>
{
#region IComparer<FileInfo> 成员
public int Compare(FileInfo x, FileInfo y)
{
return x.LastWriteTime.CompareTo(y.LastWriteTime);
}
#endregion
}
就可以使用Array.Sort()方法来对其进行调用。当然，你也可以按创建时间来进行排序。
C#实现对指定文件夹中文件按修改时间排序
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原文地址：http://www.cnblogs.com/littlehb/p/5856595.html
