Ruby on rails PDF上传Ruby on Rails服务器-DB Postgres
您好,我正在尝试使用Ruby Rails将PDF文档存储在PostgreSQL数据库中。 当前我的代码如下所示: 数据库文件:Ruby on rails PDF上传Ruby on Rails服务器-DB Postgres,ruby-on-rails,ruby,ruby-on-rails-3,postgresql,postgresql-9.1,Ruby On Rails,Ruby,Ruby On Rails 3,Postgresql,Postgresql 9.1,您好,我正在尝试使用Ruby Rails将PDF文档存储在PostgreSQL数据库中。 当前我的代码如下所示: 数据库文件: '$20151126021922_create_pdf_creates.rb' class CreatePdfCreates < ActiveRecord::Migration def change create_table :pdf_creates do |t| t.binary :pdfload t.tim
'$20151126021922_create_pdf_creates.rb'
class CreatePdfCreates < ActiveRecord::Migration
def change
create_table :pdf_creates do |t|
t.binary :pdfload
t.timestamps null: false
end
end
end
“$20151126021922_create_pdf_creates.rb”
类CreatePdfCreates
型号:
'$pdf_create.rb'
class PdfCreate < ActiveRecord::Base
end
“$pdf\u create.rb”
类PdfCreate
控制器:
'$pdf_creates_controller.rb'
class PdfCreatesController < ApplicationController
before_action :set_pdf_create, only: [:show, :edit, :update, :destroy]
# GET /pdf_creates
# GET /pdf_creates.json
def index
@pdf_creates = PdfCreate.all
end
# GET /pdf_creates/1
# GET /pdf_creates/1.json
def show
end
# GET /pdf_creates/new
def new
@pdf_create = PdfCreate.new
end
# GET /pdf_creates/1/edit
def edit
end
# POST /pdf_creates
# POST /pdf_creates.json
def newpdf
@pdf_create = PdfCreate.new(pdf_create_params)
respond_to do |format|
if @pdf_create.save
format.html { redirect_to @pdf_create, notice: 'Pdf create was successfully created.' }
format.json { render :show, status: :created, location: @pdf_create }
else
format.html { render :new }
format.json { render json: @pdf_create.errors, status: :unprocessable_entity }
end
end
end
def create
@pdf_create = PdfCreate.new(pdf_create_params)
#data = File.read(Rails.root + "tmp/consent(1).pdf")
#Document.create pdfload: data
respond_to do |format|
if @pdf_create.save
format.html { redirect_to @pdf_create, notice: 'Pdf create was successfully created.' }
format.json { render :show, status: :created, location: @pdf_create }
format.pdf { send_data @pdf_create.render}
else
format.html { render :new }
# format.json { render json: @pdf_create.errors, status: :unprocessable_entity }
end
end
end
# PATCH/PUT /pdf_creates/1
# PATCH/PUT /pdf_creates/1.json
def update
respond_to do |format|
if @pdf_create.update(pdf_create_params)
format.html { redirect_to @pdf_create, notice: 'Pdf create was successfully updated.' }
format.json { render :show, status: :ok, location: @pdf_create }
else
format.html { render :edit }
format.json { render json: @pdf_create.errors, status: :unprocessable_entity }
end
end
end
# DELETE /pdf_creates/1
# DELETE /pdf_creates/1.json
def destroy
@pdf_create.destroy
respond_to do |format|
format.html { redirect_to pdf_creates_url, notice: 'Pdf create was successfully destroyed.' }
format.json { head :no_content }
end
end
private
# Use callbacks to share common setup or constraints between actions.
def set_pdf_create
@pdf_create = PdfCreate.find(params[:id])
end
# Never trust parameters from the scary internet, only allow the white list through.
def pdf_create_params
params.require(:pdf_create).permit(:pdfload)
end
end
“$pdf\u创建\u控制器.rb”
类PdfCreatesController
我发送了一份pdf表单,返回的结果是我:
{“id”:5,“pdfload”:null,“创建于”:“2015-11-26T03:24:37.457Z”,“更新于”:“2015-11-26T03:24:37.457Z”}
怎么了?Tks您发送的是整个新创建的记录,而不是其中存储的PDF数据 尝试更改此选项:
format.pdf { send_data @pdf_create.render}
为此:
format.pdf { send_data @pdf_create.pdfload}