我正在一個在線的Web開發類,不幸的是教師未回覆電子郵件。在此任務中,我嘗試爲我的購物車創建結帳屏幕時遇到了錯誤。事情是,教授也懶得檢查他的代碼,看看它是否工作,所以我沒有正確的解決方案來參考。我假設這本書可能存在問題,因爲看起來其他人也有類似的問題。NoMethodError在OrderController#新
我與rubyonrails總小白,所以我在尋找一些幫助找到這個錯誤的原因。
我可以清楚地看到NoMethodError in OrderController#new
。但不知道我應該怎麼做。
對我有幫助嗎?
order_controller.rb
class OrdersController < ApplicationController
include CurrentCart
before_action :ensure_cart_isnt_empty, only: :new
before_action :set_cart, only: [:new, :create]
before_action :set_order, only: [:show, :edit, :update, :destroy]
# GET /orders
# GET /orders.json
def index
@orders = Order.all
end
# GET /orders/1
# GET /orders/1.json
def show
end
# GET /orders/new
def new
@order = Order.new
end
# GET /orders/1/edit
def edit
end
# POST /orders
# POST /orders.json
def create
@order = Order.new(order_params)
@order.add_line_items_from_cart(@cart)
respond_to do |format|
if @order.save
Cart.destroy(session[:cart_id])
session[:cart_id] = nil
format.html { redirect_to store_index_url, notice:'Thank you for your order.' }
format.json { render :show, status: :created, location: @order }
else
format.html { render :new }
format.json { render json: @order.errors, status: :unprocessable_entity }
end
end
end
# PATCH/PUT /orders/1
# PATCH/PUT /orders/1.json
def update
respond_to do |format|
if @order.update(order_params)
format.html { redirect_to @order, notice: 'Order was successfully updated.' }
format.json { render :show, status: :ok, location: @order }
else
format.html { render :edit }
format.json { render json: @order.errors, status: :unprocessable_entity }
end
end
end
# DELETE /orders/1
# DELETE /orders/1.json
def destroy
@order.destroy
respond_to do |format|
format.html { redirect_to orders_url, notice: 'Order was successfully destroyed.' }
format.json { head :no_content }
end
end
def ensure_cart_isnt_empty
if @cart.line_items.empty?
redirect_to store_index_url, notice: 'Your cart is empty'
end
end
private
# Use callbacks to share common setup or constraints between actions.
def set_order
@order = Order.find(params[:id])
end
# Never trust parameters from the scary internet, only allow the white list through.
def order_params
params.require(:order).permit(:name, :addresss, :email, :pay_type)
end
end
有更多更新的代碼爲你 – 23k
代碼已被添加。 – 23k
@ 23k我剛更新了我的回覆:) –