AJAX POST请求上没有方法错误 [英] no method error rails on AJAX POST request
问题描述
我正在尝试从fullcalendar到rails发出AJAX POST请求,但是我没有方法错误,而且由于参数似乎还不错,我也不知道为什么。如果我没有考虑事件:从ajax请求中发送出去,那么仅发送诸如data:{title:title,sender_id:senderId ..}之类的参数,那么我将得到相同的错误。我错过了什么?
I'm trying to do an AJAX POST request from fullcalendar to rails, but I get no method error and I don't know why as the parameters seem to be fine. If I leave out event: from the ajax req so sending over only the params like data: {title: title, sender_id: senderId..} then I get the same error. What did I miss?
Started POST "/users/1/events" for ::1 at 2015-12-17 14:33:12 -0800
14:33:12 puma.1 | Processing by EventsController#create as */*
14:33:12 puma.1 | Parameters: {"event"=>{"title"=>"asdfasdfadsf", "start_at"=>"Fri, 18 Dec 2015 00:00:00 GMT", "end_at"=>"Sat, 19 Dec 2015 00:00:00 GMT", "sender_id"=>"1", "recipient_id"=>"2"}, "user_id"=>"1"}
14:33:12 puma.1 | User Load (0.3ms) SELECT "users".* FROM "users" WHERE "users"."id" = $1 ORDER BY "users"."id" ASC LIMIT 1 [["id", 1]]
14:33:12 puma.1 | Completed 500 Internal Server Error in 8ms (ActiveRecord: 0.3ms)
14:33:12 puma.1 |
14:33:12 puma.1 | NoMethodError - undefined method `save' for nil:NilClass:
ajax req:
$.ajax({
type: "POST",
url: "/users/1/events",
data: { event: {
title: title,
start_at: "" + new Date(start).toUTCString(),
end_at: "" + new Date(end).toUTCString(),
sender_id: 1,
recipient_id: 2
}}
});
事件控制器:
def create
respond_to do |format|
if @event.save
format.html { redirect_to @event, :notice => 'Event was successfully created.' }
format.json { render :json => @event, :status => :created, :location => @event }
else
format.html { render :action => "new" }
format.json { render :json => @event.errors, :status => :unprocessable_entity }
end
end
end
private
def event_params
params[:start_at] = params[:start]
params[:end_at] = params[:end]
params[:recipient_id] = params[:recipientId]
params[:sender_id] = params[:senderId]
params[:all_day] = params[:allDay]
params.require(:event).permit(:recipient_id, :sender_id, :title, :body, :start_at, :end_at, :all_day)
end
event.rb
def as_json(options = {})
{ id: self.id,
recipientId: self.recipient_id,
senderId: self.sender_id,
title: self.title,
body: self.body || "",
start: start_at,
:end => end_at,
allDay: self.all_day,
recurring: false,
url: Rails.application.routes.url_helpers.user_event_path(self.recipient_id, self.id)
}
end
推荐答案
您已经定义了 event_params
方法,但您没有在任何地方调用它。在顶部的 create
方法中(假设 @event
的类是 Event
),添加以下行
You've defined the event_params
method but you're not calling it anywhere. In the create
method, at the top, (assuming the class for @event
is Event
), add the line
@event = Event.new(event_params)
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