Using font awesome with formtastic submit button

问题:

I have a submit button on my form:

= semantic_form_for record do |form|   = form.actions do     = form.submit 'Save'

I want to add an icon from FontAwesome, with link_to I can use a block:

= link_to record do   = fa_icon 'save'   Save

But this doesn't work with Formtastic's form.submit.

I also tried:

= form.submit fa_icon('save') = form.submit fa_icon('save').html_safe

But both renders escaped HTML.

How do I add a font-awesome icon to the <button> tag?

回答1:

Try using capture to set a label, as in:

- label = capture do   = fa_icon 'save'   Save = form.button label

This only seems to work for form.button, but not for form.submit. You'll have to use form.button label, type: :submit.

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