ruby 不同提交表单

以form_for为例

<% form_for :product, :url=>{:action=>'create'}, :html=>{:multipart=>true} do |form| %>

<%end%>

 

1 表格为products,假设，字段： name,

<%=form.text_field 'name',{},:size=>20%>

     def create

            product=Product.new(params[:name])

             product.save

         end

      end

 

2 多个动态添加字段  name

 <%=form.text_field 'name[]',:size=>20%>

   保存：

       def create

          params[name].each do |name|

              product=Product.new(name)

             product.save

         end

       end

 

 保存提到model

     def create

          product=Product.batch_build(params[:name])

     end

  

   model 方法

   def self.bath_build name

         name.each do |n|

             product=Product.new(n)

              product.save

         end

    end

 

3  不属于procducts表，例如users 中的  phone,但必需在表单提交内

 

   <%=text_filed_tag 'user[phone]',{},:size=>20%>

  

   def create

        user=User.new(params[:user][phone])

        user.save   

        或是  user.phone=params[:user][:phone]     user.save

   end

 

4  不属于Products表，动态添加字段

     view:   

           <td>
               <%=text_field_tag 'material[][batch_no]', nil, :size=>3%>
          </td>
            <td><%=text_field_tag 'material[][composit]', nil, :size=>3%></td>
            <td><%=text_field_tag 'material[][tension]', nil, :size=>3%></td>

     controller

      def create

        material_state =MaterialState.build_batch(params[:material])

      end

   model

       def self.build_batch material
             material.each do |material|
             material=MaterialState.new(material)
             material.save
      end

5.批量修改

 

  view:

<[e-mail]_states.each do |f|%>
	  <%=hidden_field_tag 'material[][id]',f.id%>
		     <tr class="row" >
		     	<td>
				    <%=ongoing_material_select 'material[][material_id]',nil %>
					<%if f.material%>
						<%=f.material.name%>
                    <%end%>
				</td>
				<td>
				    <%=ongoing_provider_select 'material[][provider_id]',nil %>
					<%if f.material%>
					    <%=f.provider.name%>
					<%end%>
				</td>
				<td>
				    <%=text_field_tag 'material[][batch_no]', f.batch_no, :size=>3 %>
				</td>
				<td>
				    <%=text_field_tag 'material[][composit]', f.composit, :size=>3 %>
				</td>
				<td>
				    <%=text_field_tag 'material[][tension]', f.tension, :size=>3 %>
				</td>
				<td>
				    <%=del_row (f) %>
				</td>
		     </tr>  
<%end%>

 controller:

def edit
    prepare_basic_data
    @product = Product.find(params[:id])
    if @product.mparts.size==0
      5.times do
        @product.mparts << Mpart.new
      end
    end
    @style = @product.style
  end
  
  def update
    @product = Product.find(params[:product][:id])  
    @product.attributes = params[:product]
    material=MaterialState.batch_update(params[:material],params[:product][:id])
    
   if @product.save
      flash[:notice]="修改已经保存，请检查详情"
      redirect_to :action=>'show', :id=>@product
    else
      prepare_basic_data
      render :action=>'edit'
    end    
  end

 model:

 

 #原料说明更新
  def self.batch_update material,product
     material.each do |m|
       material_state=MaterialState.find_by_id(m[:id])
       if material_state!=nil
          material_state.update_attributes(m)
       else
          material=MaterialState.new(m)
          material.product_id=product
          material.save
      end
    end
  end

 
如果有新的，会及进补充。

希望能我一样的初学者带来帮助