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Full Discussion: how to pass data in webrick sevelts? please help
Top Forums Web Development how to pass data in webrick sevelts? please help Post 302281442 by wrapster on Thursday 29th of January 2009 12:02:28 AM
Old 01-29-2009
how to pass data in webrick sevelts? please help
Hi all,

I am a newbie to servlet programming using webrick...
Was wondering how to accept data from a form and do necessary
processing..
To start with i wrote a sample servlet that accepts a name and prints
"welcome <name>"

But I do not know how to take this value from the form into the servlet
and print it out...
this is what i worte... can anyone please help me with this.

s = HTTPServer.new( :Port => 9000)
class TextServlet < HTTPServlet::AbstractServlet
def do_GET(req, res)
res.body = %Q{<html>
<form action = "text.rb">
Name:<input type = "text" name = "text1">
<input type = "submit">
</form>
</html>}
res['Content-Type'] = "text/html"
end
end

class Dataread < HTTPServlet::AbstractServlet
def do_GET(req,res)
res.body = %Q{<html>
<body>
Welcome <I dont know how to call it here>
</body>
</html>}
res['Content-Type'] = 'text/html'
end
end

trap("INT") {s.shutdown}
s.mount("/" , TextServlet)
s.mount("/text.rb", Dataread)
s.start

I am a total beginner to this , so please help me out....
Also if there is any resource online available do point me to it, apart
from webrick.org
 

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LEARN ABOUT PHP

udm_get_res_field

UDM_GET_RES_FIELD(3)							 1						      UDM_GET_RES_FIELD(3)

udm_get_res_field - Fetch a result field

SYNOPSIS

       string udm_get_res_field (resource  $res, int  $row, int  $field)

DESCRIPTION

	Fetch a mnoGoSearch result field.

PARAMETERS

	      o $res
		-$res - a link to result identifier, received after call to udm_find(3).

	      o $row
		-$row - the number of the link on the current page. May have values from 0 to $UDM_PARAM_NUM_ROWS-1.

	      o $field
		-$field - field identifier, may have the following values:

		     o UDM_FIELD_URL - document URL field

		     o UDM_FIELD_CONTENT - document Content-type field (for example, text/html).

		     o UDM_FIELD_CATEGORY  - document category field. Use udm_cat_path(3) to get full path to current category from the categories
		       tree root. (This parameter is available only in PHP 4.0.6 or later).

		     o UDM_FIELD_TITLE - document title field.

		     o UDM_FIELD_KEYWORDS - document keywords field (from META KEYWORDS tag).

		     o UDM_FIELD_DESC - document description field (from META DESCRIPTION tag).

		     o UDM_FIELD_TEXT - document body text (the first couple of lines to give an idea of what the document is about).

		     o UDM_FIELD_SIZE - document size.

		     o UDM_FIELD_URLID - unique URL ID of the link.

		     o UDM_FIELD_RATING - page rating (as calculated by mnoGoSearch).

		     o UDM_FIELD_MODIFIED - last-modified field in unixtime format.

		     o UDM_FIELD_ORDER - the number of the current document in set of found documents.

		     o UDM_FIELD_CRC - document CRC.

RETURN VALUES

       udm_get_res_field(3) returns result field value on success, FALSE on error.

PHP Documentation Group 												      UDM_GET_RES_FIELD(3)
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