ASP.NET Tutorial/File Directory/Path

Материал из .Net Framework эксперт
Версия от 11:57, 26 мая 2010; Admin (обсуждение | вклад) (1 версия)
(разн.) ← Предыдущая | Текущая версия (разн.) | Следующая → (разн.)
Перейти к: навигация, поиск

File Path Parsing (C#)

<%@ Page Language="C#" %>
<%@ Import Namespace="System" %>
<%@ Import Namespace="System.IO" %>
<script runat="server">
    void Page_Load(Object Source, EventArgs E)
    {
        PathPropertiesLiteral.Text = "";
    }
    
    void ParsePath(Object Source, EventArgs E)
    {
  StringBuilder PropertyContainer = new StringBuilder();
      PropertyContainer.Append("<Table border="0" width="100%">");
        PropertyContainer.Append("<Tr><Td>Full Path</Td>");
        PropertyContainer.Append("<Td>" + Path.GetFullPath(FileNameTextBox.Text) + "</Td></Tr>");
        PropertyContainer.Append("<Tr><Td>Root Drive</Td>");
        PropertyContainer.Append("<Td>" + Path.GetPathRoot(FileNameTextBox.Text) + "</Td></Tr>");
        PropertyContainer.Append("<Tr><Td>Directory Path</Td>");
        PropertyContainer.Append("<Td>" + Path.GetDirectoryName(FileNameTextBox.Text) + "</Td></Tr>");
        PropertyContainer.Append("<Tr><Td>File Name</Td>");
        PropertyContainer.Append("<Td>" + Path.GetFileName(FileNameTextBox.Text) + "</Td></Tr>");
        PropertyContainer.Append("<Tr><Td>File Name (Without Extension)</Td>");
        PropertyContainer.Append("<Td>" + Path.GetFileNameWithoutExtension(FileNameTextBox.Text) + "</Td></Tr>");
        PropertyContainer.Append("<Tr><Td>File Extension</Td>");
        PropertyContainer.Append("<Td>" + Path.GetExtension(FileNameTextBox.Text) + "</Td></Tr>");
        PropertyContainer.Append("<Tr><Td>Temporary Filename</Td>");
        PropertyContainer.Append("<Td>" + Path.GetTempFileName() + "</Td></Tr>");
        PropertyContainer.Append("<Tr><Td>Temprary Filepath</Td>");
        PropertyContainer.Append("<Td>" + Path.GetTempPath() + "</Td></Tr>");
        PropertyContainer.Append("<Tr><Td>Directory Separator</Td>");
        PropertyContainer.Append("<Td>" + Path.DirectorySeparatorChar + "</Td></Tr>");
        PropertyContainer.Append("<Tr><Td>Alt Directory Separator</Td>");
        PropertyContainer.Append("<Td>" + Path.AltDirectorySeparatorChar + "</Td></Tr>");
        PropertyContainer.Append("<Tr><Td>Path Separator</Td>");
        PropertyContainer.Append("<Td>" + Path.PathSeparator + "</Td></Tr>");
        PropertyContainer.Append("<Tr><Td>Volume Separator</Td>");
        PropertyContainer.Append("<Td>" + Path.VolumeSeparatorChar + "</Td></Tr>");
        PropertyContainer.Append("<Tr><Td>Invalid Path Characters</Td>");
        PropertyContainer.Append("<Td>" + Path.InvalidPathChars + "</Td></Tr>");
        PropertyContainer.Append("</Table>");
  PathPropertiesLiteral.Text = PropertyContainer.ToString();
    }
</script>
<html>
  <head>
    <title>File Path Parsing</title>
  </head>
  <body>
    <form runat="server">
      <h4>File Path Parser
      </h4>
      <h4>
        <asp:TextBox id="FileNameTextBox" runat="server"></asp:TextBox>
        &nbsp;<asp:Button id="ParsePathButton" onclick="ParsePath" runat="server" Text="Parse"></asp:Button>
      </h4>
      <hr />
    </form>
    <asp:Literal id="PathPropertiesLiteral" runat="server"></asp:Literal>
  </body>
</html>


File Path Parsing (VB)

<%@ Page Language="VB" %>
<%@ Import Namespace="System" %>
<%@ Import Namespace="System.IO" %>
<script runat="server">
    Public Sub Page_Load(Source As Object, E As EventArgs)
        PathPropertiesLiteral.Text = ""
    End Sub
    
    Public Sub ParsePath(Source As Object, E As EventArgs)
    
  Dim PropertyContainer As New StringBuilder()
    
        With PropertyContainer
            .Append("<Table border="0" width="100%">")
            .Append("<Tr><Td>Full Path</Td>")
            .Append("<Td>" & Path.GetFullPath(FileNameTextBox.Text) & "</Td></Tr>")
            .Append("<Tr><Td>Root Drive</Td>")
            .Append("<Td>" & Path.GetPathRoot(FileNameTextBox.Text) & "</Td></Tr>")
            .Append("<Tr><Td>Directory Path</Td>")
            .Append("<Td>" & Path.GetDirectoryName(FileNameTextBox.Text) & "</Td></Tr>")
            .Append("<Tr><Td>File Name</Td>")
            .Append("<Td>" & Path.GetFileName(FileNameTextBox.Text) & "</Td></Tr>")
            .Append("<Tr><Td>File Name (Without Extension)</Td>")
            .Append("<Td>" & Path.GetFileNameWithoutExtension(FileNameTextBox.Text) & "</Td></Tr>")
            .Append("<Tr><Td>File Extension</Td>")
            .Append("<Td>" & Path.GetExtension(FileNameTextBox.Text) & "</Td></Tr>")
            .Append("<Tr><Td>Temporary Filename</Td>")
            .Append("<Td>" & Path.GetTempFileName() & "</Td></Tr>")
            .Append("<Tr><Td>Temprary Filepath</Td>")
            .Append("<Td>" & Path.GetTempPath() & "</Td></Tr>")
            .Append("<Tr><Td>Directory Separator</Td>")
            .Append("<Td>" & Path.DirectorySeparatorChar & "</Td></Tr>")
            .Append("<Tr><Td>Alt Directory Separator</Td>")
            .Append("<Td>" & Path.AltDirectorySeparatorChar & "</Td></Tr>")
            .Append("<Tr><Td>Path Separator</Td>")
            .Append("<Td>" & Path.PathSeparator & "</Td></Tr>")
            .Append("<Tr><Td>Volume Separator</Td>")
            .Append("<Td>" & Path.VolumeSeparatorChar & "</Td></Tr>")
            .Append("<Tr><Td>Invalid Path Characters</Td>")
            .Append("<Td>" & Path.InvalidPathChars & "</Td></Tr>")
      .Append("</Table>")
            
        End With
  PathPropertiesLiteral.Text = PropertyContainer.ToString
    
    End Sub
</script>
<html>
  <head>
    <title>CookBook :: File Path Parsing</title>
  </head>
  <body>
    <form runat="server">
      <h4>File Path Parser
      </h4>
      <h4>
        <asp:TextBox id="FileNameTextBox" runat="server"></asp:TextBox>
        &nbsp;<asp:Button id="ParsePathButton" onclick="ParsePath" runat="server" Text="Parse"></asp:Button>
      </h4>
      <hr />
    </form>
    <asp:Literal id="PathPropertiesLiteral" runat="server"></asp:Literal>
  </body>
</html>


Using the Path class (C#)

<%@ Page Language="C#" %>
<%@ Import Namespace="System.IO" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Page.IsPostBack)
        {
            this.lblRootPath.Text = Path.GetPathRoot(this.txtPathName.Text);
            this.lblDirectoryName.Text = Path.GetDirectoryName(this.txtPathName.Text);
            this.lblFileName.Text =  Path.GetFileName(this.txtPathName.Text);
            this.lblFileNameWithoutExtension.Text = Path.GetFileNameWithoutExtension(this.txtPathName.Text);
            this.lblExtension.Text = Path.GetExtension(this.txtPathName.Text);
            this.lblTemporaryPath.Text = Path.GetTempPath();
            this.lblDirectorySeparatorChar.Text = Path.DirectorySeparatorChar.ToString();
            this.lblAltDirectorySeparatorChar.Text = Path.AltDirectorySeparatorChar.ToString();
            this.lblVolumeSeparatorChar.Text = Path.VolumeSeparatorChar.ToString();
            this.lblPathSeparator.Text = Path.PathSeparator.ToString();
            this.lblInvalidChars.Text = HttpUtility.HtmlEncode( new String(Path.GetInvalidPathChars() ) );
            this.lblInvalidFileNameChars.Text = HttpUtility.HtmlEncode( new String(Path.GetInvalidFileNameChars()));
        }
    }
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        Working with the Path Class<br />
        <br />
        Enter a path name:
        <asp:TextBox ID="txtPathName" runat="server"/><br />
        <asp:Button ID="Button1" runat="server" Text="Button" /><br />
        <br />
        Root Path = 
        <asp:Label ID="lblRootPath" runat="server" Text="Label" />
        <br />
        Directory =
        <asp:Label ID="lblDirectoryName" runat="server" Text="Label" />
        <br />
        Filename =
        <asp:Label ID="lblFileName" runat="server" Text="Label" />
        <br />
        Filename (without extension) =
        <asp:Label ID="lblFileNameWithoutExtension" runat="server" Text="Label" />
        <br />
        Extension =
        <asp:Label ID="lblExtension" runat="server" Text="Label" />
        <br />
        <br />
        Temporary Directory =
        <asp:Label ID="lblTemporaryPath" runat="server" Text="Label" />
        <br />
        Directory Separator Character =
        <asp:Label ID="lblDirectorySeparatorChar" runat="server" Text="Label" />
        <br />
        Alt Directory Separator Character =
        <asp:Label ID="lblAltDirectorySeparatorChar" runat="server" Text="Label" />
        <br />
        Volume Separator Character =
        <asp:Label ID="lblVolumeSeparatorChar" runat="server" Text="Label" />
        <br />
        Path Separator Character =
        <asp:Label ID="lblPathSeparator" runat="server" Text="Label" />
        <br />
        Invalid Path Characters =
        <asp:Label ID="lblInvalidChars" runat="server" Text="Label" />
        <br />
        Invalid FileName Characters =
        <asp:Label ID="lblInvalidFileNameChars" runat="server" Text="Label" />
    
    </div>
    </form>
</body>
</html>


Using the Path class (VB)

<%@ Page Language="VB" %>
<%@ Import Namespace="System.IO" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
        If Page.IsPostBack Then
            Me.lblRootPath.Text = Path.GetPathRoot(Me.txtPathName.Text)
            Me.lblDirectoryName.Text = Path.GetDirectoryName(Me.txtPathName.Text)
            Me.lblFileName.Text = Path.GetFileName(Me.txtPathName.Text)
            Me.lblFileNameWithoutExtension.Text = Path.GetFileNameWithoutExtension(Me.txtPathName.Text)
            Me.lblExtension.Text = Path.GetExtension(Me.txtPathName.Text)
            Me.lblTemporaryPath.Text = Path.GetTempPath()
            Me.lblDirectorySeparatorChar.Text = Path.DirectorySeparatorChar.ToString()
            Me.lblAltDirectorySeparatorChar.Text = Path.AltDirectorySeparatorChar.ToString()
            Me.lblVolumeSeparatorChar.Text = Path.VolumeSeparatorChar.ToString()
            Me.lblPathSeparator.Text = Path.PathSeparator.ToString()
            Me.lblInvalidChars.Text = HttpUtility.HtmlEncode(New String(Path.GetInvalidPathChars()))
            Me.lblInvalidFileNameChars.Text = HttpUtility.HtmlEncode(New String(Path.GetInvalidFileNameChars()))
        End If
    End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        Working with the Path Class<br />
        <br />
        Enter a path name:
        <asp:TextBox ID="txtPathName" runat="server"></asp:TextBox><br />
        <asp:Button ID="Button1" runat="server" Text="Button" /><br />
        <br />
        Root Path = 
        <asp:Label ID="lblRootPath" runat="server" Text="Label" />
        <br />
        Directory =
        <asp:Label ID="lblDirectoryName" runat="server" Text="Label" />
        <br />
        Filename =
        <asp:Label ID="lblFileName" runat="server" Text="Label" />
        <br />
        Filename (without extension) =
        <asp:Label ID="lblFileNameWithoutExtension" runat="server" Text="Label" />
        <br />
        Extension =
        <asp:Label ID="lblExtension" runat="server" Text="Label" />
        <br />
        <br />
        Temporary Directory =
        <asp:Label ID="lblTemporaryPath" runat="server" Text="Label" />
        <br />
        Directory Separator Character =
        <asp:Label ID="lblDirectorySeparatorChar" runat="server" Text="Label" />
        <br />
        Alt Directory Separator Character =
        <asp:Label ID="lblAltDirectorySeparatorChar" runat="server" Text="Label" />
        <br />
        Volume Separator Character =
        <asp:Label ID="lblVolumeSeparatorChar" runat="server" Text="Label" />
        <br />
        Path Separator Character =
        <asp:Label ID="lblPathSeparator" runat="server" Text="Label" />
        <br />
        Invalid Path Characters =
        <asp:Label ID="lblInvalidChars" runat="server" Text="Label" />
        <br />
        Invalid FileName Characters =
        <asp:Label ID="lblInvalidFileNameChars" runat="server" Text="Label" />
    
    </div>
    </form>
</body>
</html>
Источник — «http://nfex.ru/index.php?title=ASP.NET_Tutorial/File_Directory/Path&oldid=2982»