Rails 4＆控制器重定向路徑

Question

我想用Rails 4製作一個應用程序，使用簡單的窗體形式。

我有一個稱爲項目模型和另一個模型稱爲項目問題。

這些關聯是：項目有許多項目問題，並接受項目問題的嵌套屬性。項目問題屬於項目。

在我的項目的問題形式，我有：

<%= simple_form_for [@project, @project_question] do |f| %> 
      <%= f.input :title, label: 'Question:', :label_html => {:class => 'question-title'}, placeholder: 'Type your question here', :input_html => {:style => 'width: 100%', :rows => 4, class: 'response-project'} %> 
      <%= f.input :content, label: 'Is there any context or other information?', :label_html => {:class => 'question-title'}, placeholder: 'Context might help to answer your question', :input_html => {:style => 'width: 100%', :rows => 5, class: 'response-project'} %> 
    <br><br><br> 
     <%= f.button :submit, 'Send!', :class => "cpb" %> 

在我project_question控制器，我有：

def create 
    @project_question = ProjectQuestion.new(project_question_params) 
    @project_question.project_id = project_question_params[:project_id] 


    respond_to do |format| 
     if @project_question.save 
     format.html { redirect_to project_path(@project_question.project_id), notice: 'Project question was successfully created.' } 
     format.json { render action: 'show', status: :created, location: @project_question } 
     else 
     format.html { render action: 'new' } 
     format.json { render json: @project_question.errors, status: :unprocessable_entity } 
     end 
    end 
    end 

在我的項目負責人，我已經列入白名單的項目問題PARAMS如下：

project_question_attributes: [:title, :content, :user_id, :project_id, :id, 
     project_answer_attributes: [:answer, :project_question_id]], 

params ar E也允許在我的項目的問題控制器：

def project_question_params 
     params[:project_question].permit(:id, :title, :content, :project_id, :user_id, 
     project_answer_atttibutes: [:id, :answer, :project_question_id, :user_id] 
    ) 
    end 

我有麻煩搞清楚如何重定向到項目頁面上保存項目的問題已經被創建之後。

Answer 1

首先，你需要使用

@project = Project.find(params[:project_id]) 

在你創建控制器

然後，而不是寫這兩行

@project_question = ProjectQuestion.new(project_question_params) 
@project_question.project_id = project_question_params[:project_id] 

寫找到特定項目

@project.project_questions.build(project_question_params) 

內。然後你如果聲明：

format.html { redirect_to @project, notice: 'Project question was successfully created.' } 

而你很好！