How to edit the html from ASP in a better way?

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Hello I have an ASP script that I need to edit. Actually I need to restyle the email that it sends, so I need to edit the HTML from it.

The problem is the html (from

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慢半拍i

2021-01-14 05:01

As @steve-holland mentions creating a template is a great way to avoid all the annoying HTML strings in the code and makes changing layouts a breeze.

I've worked on HTML templating scripts myself in the past, usually I build a Scripting.Dictionary that contains the key value pairs I will be replacing inside the template.

Function getHTMLTemplate(url, params)
  Dim stream, keys, html, idx

  Set stream = Server.CreateObject("ADODB.Stream")
  With stream
    .Type = adTypeText
    .Charset = "utf-8"
    Call .Open()
    Call .LoadFromFile(url)
    html = .ReadText(adReadAll)
    Call .Close()
  End With
  Set stream = Nothing

  keys = o_params.Keys
  For idx = 0 To UBound(keys, 1)
    html = Replace(html, keys(idx), params.Item(keys(idx)))
  Next
  Set keys = Nothing
  Set params = Nothing

  getHTMLTemplate = html
End Function

Usage:

Dim params, html
Set params = Server.CreateObject("Scripting.Dictionary")
With params
  .Add("[html_title]", "Title Here")
  .Add("[html_logo]", "/images/logo.gif")
  '... and so on
End With

html = getHTMLTemplate(Server.MapPath("/templates/main.htm"), params)

Call Response.Write(html)

Example main.htm structure:

<!doctype html>
<html>
  <head>
    <title>[html_title]</title>
    <link rel="stylesheet" type="text/css" href="/styles/main.css" />
  </head>

  <body>
    <div class="header">
      <img src="[html_logo]" alt="Company Name" />
    </div>
  </body>
</html>

Why use a ADODB.Stream instead of the Scripting.FileSystemObject?;

You can control the Charset being returned and even convert from one to another if you need to.
If the template is particular large, you can stream the content in using the Read() method with a specific buffer size to improve the performance of the read.

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南方客

2021-01-14 05:03

You could create a html template file with some placeholders in it, read it in, replace the placeholders and then use it in your email. Saves you having to keep messing about building up the html using variables. This previous answer has some more details about a possible solution (with code examples).

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