Pasando matriz a un select_tag

Question

actualmente Tengo esto como una búsqueda:

<%= form_tag users_path, :controller => 'users', :action => 'townsearch', :method => 'get' do %> 
    <%= select_tag :county, params[:county] %> 
    <%= submit_tag 'search'%> 
<% end %> 

tengo la lista siguiente en mi modelo de usuario:

COUNTY_OPTIONS = [ "Avon", "Bedfordshire", "Berkshire", "Borders", "Buckinghamshire", "Cambridgeshire","Central", 
       "Cheshire", "Cleveland", "Clwyd", "Cornwall", "County Antrim", "County Armagh", "County Down", 
       "County Fermanagh", "County Londonderry", "County Tyrone", "Cumbria", "Derbyshire", "Devon", 
       "Dorset", "Dumfries and Galloway", "Durham", "Dyfed", "East Sussex", "Essex", "Fife", "Gloucestershire", 
       "Grampian", "Greater Manchester", "Gwent", "Gwynedd County", "Hampshire", "Herefordshire", "Hertfordshire", 
       "Highlands and Islands", "Humberside", "Isle of Wight", "Kent", "Lancashire", "Leicestershire", "Lincolnshire", 
       "Lothian", "Merseyside", "Mid Glamorgan", "Norfolk", "North Yorkshire", "Northamptonshire", "Northumberland", 
       "Nottinghamshire", "Oxfordshire", "Powys", "Rutland", "Shropshire", "Somerset", "South Glamorgan", "South Yorkshire", 
       "Staffordshire", "Strathclyde", "Suffolk", "Surrey", "Tayside", "Tyne and Wear", "Warwickshire", "West Glamorgan", 
       "West Midlands", "West Sussex", "West Yorkshire", "Wiltshire", "Worcestershire"] 

Me pregunto cómo hacer la lista I todos los county_options en el menú desplegable?

Answer 1

Echa un vistazo a API documentation para select_tag.

Dice:

select_tag(name, option_tags = nil, options = {}) 

Dónde option_tags es una cadena que contiene las etiquetas de opción para el cuadro de selección. Puede usar otros métodos auxiliares que conviertan contenedores en una cadena de etiquetas de opción.

Primer ejemplo:

select_tag "people", options_from_collection_for_select(@people, "id", "name") 
# <select id="people" name="people"><option value="1">David</option></select> 

Esto genera seleccione las etiquetas de datos de modelos específicos.

Para su ejemplo, debe usar options_for_select.

<%= form_tag users_path, :controller => 'users', :action => 'townsearch', :method => 'get' do %> 
    <%= select_tag :county, options_for_select(User::COUNTY_OPTIONS) %> 
    <%= submit_tag 'search'%> 
<% end %> 

Answer 2

Creo que desea utilizar el collection_select ayudante.

http://api.rubyonrails.org/classes/ActionView/Helpers/FormOptionsHelper.html#M001593

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