<%= show_created_by_name(@company.created_by) do |name|%> <div class="column column_new">创建人: <%= name%> </div> <% end %> def show_created_by_name(created_by, &block) name = CreatedBy.display_name(created_by) if block_given? capture(name,&block) if name.present? else name end end
block运用capture
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转载自schooltop.iteye.com/blog/2342297
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