ASP.NET利用GetFiles取得目錄檔案清單,結合Array.Sort來排序檔案列表順序

最新推荐文章于 2024-03-08 15:11:59 发布

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最新推荐文章于 2024-03-08 15:11:59 发布

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using 
System;

02using 
System.Data;

03using 
System.Configuration;

04using 
System.Collections;

05using 
System.Web;

06using 
System.Web.Security;

07using 
System.Web.UI;

08using 
System.Web.UI.WebControls;

09using 
System.Web.UI.WebControls.WebParts;

10using 
System.Web.UI.HtmlControls;

11using 
System.IO;

12 

13public 
partial class 
SortFileList : System.Web.UI.Page

14{

15    protected
void Page_Load(object
sender, EventArgs e)

16    {

17        DirectoryInfo dirinfo =
new DirectoryInfo(MapPath("~"));

18        FileInfo[] sortList = dirinfo.GetFiles();

19        Array.Sort(sortList,
new MyDateSorter());

20 

21        foreach
(FileInfo item in
sortList)

22        {

23            Response.Write(item.FullName +
"<br" + 
" />");

24        }

25    }

26}

27 

28public 
class MyDateSorter : IComparer

29{

30    #region IComparer Members

31    public
int Compare(object
x, object 
y)

32    {

33        if
(x == null 
&& y == null)

34        {

35            return
0;

36        }

37        if
(x == null)

38        {

39            return
-1;

40        }

41        if
(y == null)

42        {

43            return
1;

44        }

45        FileInfo xInfo = (FileInfo)x;

46        FileInfo yInfo = (FileInfo)y;

47 

48 

49        //依名稱排序

50        return
xInfo.FullName.CompareTo(yInfo.FullName);//遞增

51        //return yInfo.FullName.CompareTo(xInfo.FullName);//遞減

52 

53        //依修改日期排序

54        //return xInfo.LastWriteTime.CompareTo(yInfo.LastWriteTime);//遞增

55        //return yInfo.LastWriteTime.CompareTo(xInfo.LastWriteTime);//遞減

56    }

57    #endregion

58}