Ruby on rails rails 3 json编码用于javascript中的消费
我知道to_json已经被弃用了,而as_json给我带来了问题 这一行工作正常,但to_json不推荐使用:Ruby on rails rails 3 json编码用于javascript中的消费,ruby-on-rails,json,ruby-on-rails-3,Ruby On Rails,Json,Ruby On Rails 3,我知道to_json已经被弃用了,而as_json给我带来了问题 这一行工作正常,但to_json不推荐使用: new IS.Presentation(<%= raw(@course_step.step.step_presentation.step_presentation_files.map { |item| {'url' => item.slide.url, 'title' => item.title}}.to_json) %>) new IS.Presentati
new IS.Presentation(<%= raw(@course_step.step.step_presentation.step_presentation_files.map { |item| {'url' => item.slide.url, 'title' => item.title}}.to_json) %>)
new IS.Presentation(item.slide.url,'title'=>item.title}}.to_json)%>)
有什么想法吗?ActiveSupport支持JSON。你可以在这里看到:
ruby-1.9.2-p136 :003 > j = ActiveSupport::JSON
=> ActiveSupport::JSON
ruby-1.9.2-p136 :004 > j.encode({:team => "Celtics", :players => "20"})
=> "{\"team\":\"Celtics\",\"players\":\"20\"}"
ruby-1.9.2-p136 :005 > j.decode("{\"team\":\"Celtics\",\"players\":\"20\"}")
=> {"team"=>"Celtics", "players"=>"20"}
因此,对你来说,这将是:
new IS.Presentation(<%= ActiveSupport::JSON.encode(raw(@course_step.step.step_presentation.step_presentation_files.map { |item| {'url' => item.slide.url, 'title' => item.title}})) %>)
new IS.Presentation(item.slide.url,'title'=>item.title}))%>)
谢谢,这很有效:新的IS.Presentation(item.slide.url,'title'=>item.title}))%>)