在ASP.NET頁中檢測瀏覽器類型

來源:互聯網
上載者:User

查詢 Browser 屬性,

該屬性包含一個 HttpBrowserCapabilities 對象。

在 HTTP 要求過程中,該對象會從瀏覽器或用戶端裝置中擷取資訊,

以便讓您的應用程式知道瀏覽器或用戶端裝置提供的支援類型和層級。

該對象隨後使用強型別屬性和泛型名稱值字典公開有關瀏覽器功能的資訊。

下面的程式碼範例示範如何在頁上的文字框中顯示瀏覽器資訊。

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Visual Basic

=======

Private Sub Button1_Click(ByVal sender As System.Object, _
    ByVal e As System.EventArgs) Handles Button1.Click
   Dim s As String = ""
   With Request.Browser
     s &= "Browser Capabilities" & vbCrLf
     s &= "Type = " & .Type & vbCrLf
     s &= "Name = " & .Browser & vbCrLf
     s &= "Version = " & .Version & vbCrLf
     s &= "Major Version = " & .MajorVersion & vbCrLf
     s &= "Minor Version = " & .MinorVersion & vbCrLf
     s &= "Platform = " & .Platform & vbCrLf
     s &= "Is Beta = " & .Beta & vbCrLf
     s &= "Is Crawler = " & .Crawler & vbCrLf
     s &= "Is AOL = " & .AOL & vbCrLf
     s &= "Is Win16 = " & .Win16 & vbCrLf
     s &= "Is Win32 = " & .Win32 & vbCrLf
     s &= "Supports Frames = " & .Frames & vbCrLf
     s &= "Supports Tables = " & .Tables & vbCrLf
     s &= "Supports Cookies = " & .Cookies & vbCrLf
     s &= "Supports VBScript = " & .VBScript & vbCrLf
     s &= "Supports JavaScript = " & _
       .EcmaScriptVersion.ToString() & vbCrLf
     s &= "Supports Java Applets = " & .JavaApplets & vbCrLf
     s &= "Supports ActiveX Controls = " & .ActiveXControls & _
       vbCrLf
   End With
   TextBox1.Text = s
End Sub

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C#

=====

private void Button1_Click(object sender, System.EventArgs e)
{
   System.Web.HttpBrowserCapabilities browser = Request.Browser;
   string s = "Browser Capabilities<br />"
     + "Type = "          + browser.Type + "<br />"
     + "Name = "          + browser.Browser + "<br />"
     + "Version = "         + browser.Version + "<br />"
     + "Major Version = "      + browser.MajorVersion + "<br />"
     + "Minor Version = "      + browser.MinorVersion + "<br />"
     + "Platform = "        + browser.Platform + "<br />"
     + "Is Beta = "         + browser.Beta + "<br />"
     + "Is Crawler = "       + browser.Crawler + "<br />"
     + "Is AOL = "         + browser.AOL + "<br />"
     + "Is Win16 = "        + browser.Win16 + "<br />"
     + "Is Win32 = "        + browser.Win32 + "<br />"
     + "Supports Frames = "     + browser.Frames + "<br />"
     + "Supports Tables = "     + browser.Tables + "<br />"
     + "Supports Cookies = "    + browser.Cookies + "<br />"
     + "Supports VBScript = "    + browser.VBScript + "<br />"
     + "Supports JavaScript = "   +
       browser.EcmaScriptVersion.ToString() + "<br />"
     + "Supports Java Applets = "  + browser.JavaApplets + "<br />"
     + "Supports ActiveX Controls = " + browser.ActiveXControls
        + "<br />";
   Response.Write(s);
}

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