CGI::HtmlExtension#form

form(method = "post", action = script_name, enctype = "application/x-www-form-urlencoded") { || ... }

# File tmp/rubies/ruby-3.3.0/lib/cgi/html.rb, line 310
def form(method = "post", action = script_name, enctype = "application/x-www-form-urlencoded")
  attributes = if method.kind_of?(String)
                 { "METHOD" => method, "ACTION" => action,
                   "ENCTYPE" => enctype }
               else
                 unless method.has_key?("METHOD")
                   method["METHOD"] = "post"
                 end
                 unless method.has_key?("ENCTYPE")
                   method["ENCTYPE"] = enctype
                 end
                 method
               end
  if block_given?
    body = yield
  else
    body = ""
  end
  if @output_hidden
    body << @output_hidden.collect{|k,v|
      "<INPUT TYPE=\"HIDDEN\" NAME=\"#{k}\" VALUE=\"#{v}\">"
    }.join
  end
  super(attributes){body}
end

Generate a Form element as a string.

method should be either “get” or “post”, and defaults to the latter. action defaults to the current CGI script name. enctype defaults to “application/x-www-form-urlencoded”.

Alternatively, the attributes can be specified as a hash.

See also multipart_form() for forms that include file uploads.

Example

form{ "string" }
  # <FORM METHOD="post" ENCTYPE="application/x-www-form-urlencoded">string</FORM>

form("get") { "string" }
  # <FORM METHOD="get" ENCTYPE="application/x-www-form-urlencoded">string</FORM>

form("get", "url") { "string" }
  # <FORM METHOD="get" ACTION="url" ENCTYPE="application/x-www-form-urlencoded">string</FORM>

form("METHOD" => "post", "ENCTYPE" => "enctype") { "string" }
  # <FORM METHOD="post" ENCTYPE="enctype">string</FORM>

See also #file_field #hidden #checkbox_group #html also in 3.4 · 3.2 · 3.1 · 3.0

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