Constructing URL parameters in Rails 3

Question

I am trying to use the following code to convert a hash of options (e.g. { :opt1 => 'a', :opt2 => 'b' } ) into parameters to be appended to a URL (e.g. example.com/page?opt1=a&opt2=b):

ActionController::Routing::Route.new.build_query_string(options)

where options is the hash. I get the following error:

wrong number of arguments (0 for 7)

The corresponding docs show that the initializer method for Route take no arguments, but I think they haven't been updated for Rails 3 yet. I know routing has seen a big update for Rails 3, so I assume this code is for Rails 2.x. Does anyone know what the Rails 3 way of doing this would be?

Thanks

mjr · Accepted Answer · 2010-08-26 16:00:58Z

1

Never mind - I found the answer.

Rails provides a Hash#to_query method (and for some other types too I think).

Somehow Google did a poor job of finding this for me!

answered Aug 26, 2010 at 16:00

mjr

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