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一个免费的邮件列表源程序(二)

ShowSource.asp
<%@ Language=JavaScript %>

<!--#include file = "include/SetGlobals.asp"-->

<%
// get the page to display from the URL
var sPage = "" + Request.QueryString ( "page" );

// make sure it\\\'s a page we allow them to view!
switch ( sPage )
{
case "Wider":
case "COM":
case "Handle404":
case "Categories":
case "CategoryPage":
case "Columns":
case "ResultsPage":
case "Date":
case "Contact":
case "Subscribe":
case "MailToList":
break;

default:
Response.Redirect ( "NaughtyNaughty!" );
}

// output relevant meta tags
Init( "ASP source example" );

// output common top of page
Header( \\\'<a href="work.asp">Work</a> --> <a href="\\\' + sPage + \\\'.asp">"\\\' + sPage + \\\'.asp"</a> --> Source\\\', 3 );

// output page content
Content ( );

// output common bottom of page
Footer ( );
%>

<% /* standard page elements */ %>
<!--#include file = "utils/Init.asp"-->
<!--#include file = "utils/Header.asp"-->
<!--#include file = "utils/Footer.asp"-->
<!--#include file = "utils/ShowFile.asp"-->

<%
// ============================================
// the content of this page
// ============================================
function Content ( )
{
Out ( \\\'<td width="20%">&nbsp;</td>\\\' );
Out ( \\\'<td width="60%">\\\' );

// create handle to FileSystemObject
var oFSO = Server.CreateObject ( \\\'Scripting.FileSystemObject\\\' );

// each source file that we show source for could have a related
// documentation file for us to display before and after the
// source. for now, I use a generic header and footer file. the
// \\\'true\\\' tells ShowFile to pass through any HTML to the browser.

ShowFile ( oFSO, \\\'Generic.pre\\\', true, false );

switch ( sPage )
{
case "Categories":
case "CategoryPage":
case "Columns":
Out ( \\\'<p><img src="images/new.gif">&nbsp;<a href="Categories.zip">Download</a> all the source for the category demonstration!<p>\\\' );
break;
}

ShowSource ( oFSO, sPage + \\\'.asp\\\', true );

// show any extra utility file(s) too
switch ( sPage )
{
case "Wider":
ShowSource ( oFSO, \\\'include/SetGlobals.asp\\\', true );
ShowSource ( oFSO, \\\'utils/Header.asp\\\', true );
break;

case "Categories":
case "CategoryPage":
case "Columns":
case "Subscribe":
case "MailToList":
ShowSource ( oFSO, \\\'utils/Database.asp\\\', true );
break;

case "Categories":
case "CategoryPage":
case "Columns":
ShowSource ( oFSO, \\\'utils/ShowCategory.asp\\\', true );
break;
}

// show the generic footer
ShowFile ( oFSO, \\\'Generic.pst\\\', true, false );

// we\\\'ve finished with the object so free the resource
oFSO = null;

Out ( \\\'<p><center><a href="FSO.asp"><img src="images/source.gif" border=0></a></center>\\\' );

Out ( \\\'</td>\\\' );
Out ( \\\'<td width="20%">&nbsp;</td>\\\' );
}
%>

utils/ShowFile.asp
<%
// have we advertized our mailing list yet?
var bDoneLink = false;

// ============================================
// display the contents of the given file
// ============================================
function ShowFile ( oFSO, sFile, bPassHTML, bShowName )
{
var ForReading = 1;
// var ForWriting = 2;
// var ForAppending = 8;

// open asp file for reading
var fFile = oFSO.OpenTextFile ( Server.MapPath( sFile ), ForReading );

// read entire file contents into variable
var s = fFile.ReadAll ( );

if ( !bPassHTML )
{
// replace & with &amp; so HTML displayed, not interpreted
s = s.replace ( /&/g, \\\'&amp;\\\' );

// replace < with &lt; so HTML displayed, not interpreted
s = s.replace ( /</g, \\\'&lt;\\\' );

// replace newline with HTML equivalent
s = s.replace ( /n/g, \\\'<br>\\\' );

// replace tabs with 3 spaces
s = s.replace ( /t/g, \\\'&nbsp;&nbsp;&nbsp;\\\' );

// show filename and change font color for source code
s = \\\'<font color="black">\\\' + s + \\\'</font>\\\';

if ( bShowName )
s = \\\'<h4>\\\' + sFile + \\\'</h4>\\\' + s;
}

Out ( s );

fFile.Close ( );
}

// ============================================
// show a source file outside the table
// ============================================
function ShowSource ( oFSO, sFile, bShowName )
{
// advertize our mailing list before the first source file
if ( !bDoneLink )
{
bDoneLink = true;
Out ( \\\'<p><b>Get informed when the source code below changes!</b> <a href="subscribe.asp">Subscribe to our mailing list.</a>\\\' );
}

Out ( \\\'</td>\\\' );
Out ( \\\'<td width="20%">&nbsp;</td></tr><tr><td colspan=3 width="100%" bgcolor="#ff9900">\\\' );

// show news file
ShowFile ( oFSO, sFile, false, bShowName );

Out ( \\\'</td></tr><tr><td width="20%">&nbsp;</td>\\\' );
Out ( \\\'<td width="60%">\\\' );
}
%>
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