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form_tag (ActionView::Helpers::FormTagHelper)
form_tag(url_for_options = {}, options = {}, *parameters_for_url, &block)Starts a form tag that points the action to an url configured with url_for_options just like ActionController::Base#url_for. The method for the form defaults to POST.Options:multipart - If set to true, the enctype is set to “multipart/form-data”.:method - The method to use when submitting the form, usually either “get” or “post”. If “put”, “delete”, or another verb is used, a hidden input with name _method is added to simulate the verb over post.A list of parameters to feed to the URL the form will be posted to.:remote - If set to true, will allow the Unobtrusive JavaScript drivers to control the submit behaviour. By default this behaviour is an ajax submit.Examples form_tag(‘/posts‘) # => <form action="/posts" method="post"> form_tag(‘/posts/1‘, :method => :put) # => <form action="/posts/1" method="put"> form_tag(‘/upload‘, :multipart => true) # => <form action="/upload" method="post" enctype="multipart/form-data"> <%= form_tag(‘/posts‘) do -%> <div><%= submit_tag ‘Save‘ %></div> <% end -%> # => <form action="/posts" method="post"><div><input type="submit" name="submit" value="Save" /></div></form><%= form_tag(‘/posts‘, :remote => true) %> # => <form action="/posts" method="post" data-remote="true">[ show source ] # File actionpack/lib/action_view/helpers/form_tag_helper.rb, line 49def form_tag(url_for_options = {}, options = {}, *parameters_for_url, &block) html_options = html_options_for_form(url_for_options, options, *parameters_for_url) if block_given? form_tag_in_block(html_options, &block) else form_tag_html(html_options) endend
<%= form_tag("#{Settings.cache_clear_link.host}&req_time=#{@time}&req_from=cms&sign=#{@sign}") do %> <%= submit_tag "[立即生效]" ,:class => "button" %> <% end %>
form_tag (ActionView::Helpers::FormTagHelper)
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