[英]how i can render a json for an list of ActiveRecord in Rails?
for example, i got a list of Target in my controller 例如,我在控制器中获得了目标列表
@targets = @user.targets.all
then i want to render @targets as json result for client ajax call. 然后我想将@targets呈现为客户端ajax调用的json结果。 in Target class define, i have some column i don't want to render.
在Target类定义中,我有一些我不想渲染的列。 i know when render single @target, we can use
我知道当渲染单个@target时,我们可以使用
:only
or 要么
:except
but, how to deal with the list? 但是,如何处理清单?
i tried 我试过了
@targets.each do |target|
@ targets.each做| target | xxxx end
xxxx结束
to merge the json result, failed. 合并json结果,失败。
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