ruby-on-rails – CarrierWave.无法使用STI保存文件

概述我有模型文件： class Document < ActiveRecord::Base belongs_to :company validates :name, :presence => trueend 并且继承自Document的两个类： 执照： class License < Document mount_uploader :file, DocumentUploaderend 我有模型文件：

class document < ActiveRecord::Base  belongs_to :company  valIDates :name,:presence => trueend

并且继承自document的两个类：

执照：

class license < document  mount_uploader :file,documentUploaderend

和证书

class Certificate < document  mount_uploader :file,documentUploaderend

当我尝试对证书执行current_company.licenses.create(…)或相同的 *** 作时,除了文件之外总是保存所有参数,总是为零

我也尝试在document模型中挂载文件…请帮帮我.

这是日志：

Started POST "/companIEs/1/verifIEd" for 127.0.0.1 at Mon Mar 19 09:33:41 +0200 2012Processing by CompanIEsController#verifIEd as HTML  Parameters: {"verifIEd"=>{"certificate"=>{"name"=>"Certificate","file"=>"test.png"},"insured"=>"2000000","suppliers"=>"","license"=>{"name"=>"license","file"=>"test.png"}},"authenticity_token"=>"0hIn41Tjonm/AXZBKM1PE/tjQxJDLqZaojMTHDoZq2k=","ID"=>"1","utf8"=>"✓","commit"=>"Update verifications"}  Company Load (0.7ms)  SELECT "companIEs".* FROM "companIEs" WHERE "companIEs"."ID" = 1 liMIT 1   (0.1ms)  BEGIN  sql (0.8ms)  INSERT INTO "documents" ("company_ID","created_at","file","name","type","updated_at","verifIEd") VALUES (,,,,,,) RETURNING "ID"  [["company_ID",1],["created_at",Mon,19 Mar 2012 07:33:41 UTC +00:00],["file",nil],["name","license"],["type",["updated_at",["verifIEd",false]]   (0.6ms)  COMMIT   (0.1ms)  BEGIN  sql (0.5ms)  INSERT INTO "documents" ("company_ID","Certificate"],false]]   (0.4ms)  COMMITRedirected to http://localhost:3000/company/profileCompleted 302 Found in 18ms (ActiveRecord: 3.3ms)

谢谢.

解决方法 您确定已将用于上传文件的表单设置为具有多部分有效负载吗？

如果不是,文件将不会在提交时发送,并且rails将仅接收文本表单数据.在form_helper标记内,您需要添加.

:HTML => {:multipart => true}

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