未经许可的参数载波(Unpermitted Parameter carrierwave)
我正在尝试使用carrierwave gem在嵌套表单中上传文档。 当我提交表单时，我可以看到有一个未经许可的参数。
Started POST "/debts" for ::1 at 2016-05-18 11:10:27 +1000 Started POST "/debts" for ::1 at 2016-05-18 11:10:27 +1000 Processing by DebtsController#create as HTML Processing by DebtsController#create as HTML Parameters: {"utf8"=>"✓", "authenticity_token"=>"fEmDQnog42ug97IllLL5A6g7oNueLaXIYwKpOEEqBwwjRdVkncNoPbeZuHsuD/HWz1PWGnD7m6lUyZmRJCKS9A==", "debt"=>{"amount"=>"", "details"=>"", "debtor_attributes"=>{"business_name"=>"", "abn"=>"", "first_name"=>"", "mobile_number"=>"", "last_name"=>"", "phone_number"=>"", "email"=>""}, "creditor_attributes"=>{"business_name"=>"", "abn"=>"", "first_name"=>"", "mobile_number"=>"", "last_name"=>"", "phone_number"=>"", "email"=>""}, "document"=>{"document"=>#<ActionDispatch::Http::UploadedFile:0x007f8fbbee2698 @tempfile=#<Tempfile:/var/folders/sn/t0vd19_x6mg1fkn8b4x1v8lm0000gn/T/RackMultipart20160518-27972-zmqd57.jpg>, @original_filename="pexels-photo (2).jpg", @content_type="image/jpeg", @headers="Content-Disposition: form-data; name=\"debt[document][document]\"; filename=\"pexels-photo (2).jpg\"\r\nContent-Type: image/jpeg\r\n">}}, "commit"=>"Create Debt"} Parameters: {"utf8"=>"✓", "authenticity_token"=>"fEmDQnog42ug97IllLL5A6g7oNueLaXIYwKpOEEqBwwjRdVkncNoPbeZuHsuD/HWz1PWGnD7m6lUyZmRJCKS9A==", "debt"=>{"amount"=>"", "details"=>"", "debtor_attributes"=>{"business_name"=>"", "abn"=>"", "first_name"=>"", "mobile_number"=>"", "last_name"=>"", "phone_number"=>"", "email"=>""}, "creditor_attributes"=>{"business_name"=>"", "abn"=>"", "first_name"=>"", "mobile_number"=>"", "last_name"=>"", "phone_number"=>"", "email"=>""}, "document"=>{"document"=>#<ActionDispatch::Http::UploadedFile:0x007f8fbbee2698 @tempfile=#<Tempfile:/var/folders/sn/t0vd19_x6mg1fkn8b4x1v8lm0000gn/T/RackMultipart20160518-27972-zmqd57.jpg>, @original_filename="pexels-photo (2).jpg", @content_type="image/jpeg", @headers="Content-Disposition: form-data; name=\"debt[document][document]\"; filename=\"pexels-photo (2).jpg\"\r\nContent-Type: image/jpeg\r\n">}}, "commit"=>"Create Debt"} User Load (0.2ms) SELECT "users".* FROM "users" WHERE "users"."id" = $1 ORDER BY "users"."id" ASC LIMIT 1 [["id", 1]] User Load (0.2ms) SELECT "users".* FROM "users" WHERE "users"."id" = $1 ORDER BY "users"."id" ASC LIMIT 1 [["id", 1]] Unpermitted parameter: document Unpermitted parameter: document Role Load (0.1ms) SELECT "roles".* FROM "roles" INNER JOIN "users_roles" ON "roles"."id" = "users_roles"."role_id" WHERE "users_roles"."user_id" = $1 AND (((roles.name = 'admin?') AND (roles.resource_type IS NULL) AND (roles.resource_id IS NULL))) [["user_id", 1]] Role Load (0.1ms) SELECT "roles".* FROM "roles" INNER JOIN "users_roles" ON "roles"."id" = "users_roles"."role_id" WHERE "users_roles"."user_id" = $1 AND (((roles.name = 'admin?') AND (roles.resource_type IS NULL) AND (roles.resource_id IS NULL))) [["user_id", 1]] Unpermitted parameter: document Unpermitted parameter: document Unpermitted parameter: document Unpermitted parameter: document Unpermitted parameter: document Unpermitted parameter: document (0.1ms) BEGIN (0.1ms) BEGIN SQL (0.3ms) INSERT INTO "creditors" ("business_name", "first_name", "last_name", "email", "mobile_number", "phone_number", "user_id", "created_at", "updated_at") VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9) RETURNING "id" [["business_name", ""], ["first_name", ""], ["last_name", ""], ["email", ""], ["mobile_number", ""], ["phone_number", ""], ["user_id", 1], ["created_at", "2016-05-18 01:10:27.139053"], ["updated_at", "2016-05-18 01:10:27.139053"]] SQL (0.3ms) INSERT INTO "creditors" ("business_name", "first_name", "last_name", "email", "mobile_number", "phone_number", "user_id", "created_at", "updated_at") VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9) RETURNING "id" [["business_name", ""], ["first_name", ""], ["last_name", ""], ["email", ""], ["mobile_number", ""], ["phone_number", ""], ["user_id", 1], ["created_at", "2016-05-18 01:10:27.139053"], ["updated_at", "2016-05-18 01:10:27.139053"]] SQL (0.2ms) INSERT INTO "debtors" ("business_name", "first_name", "last_name", "email", "mobile_number", "phone_number", "user_id", "created_at", "updated_at") VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9) RETURNING "id" [["business_name", ""], ["first_name", ""], ["last_name", ""], ["email", ""], ["mobile_number", ""], ["phone_number", ""], ["user_id", 1], ["created_at", "2016-05-18 01:10:27.140363"], ["updated_at", "2016-05-18 01:10:27.140363"]] SQL (0.2ms) INSERT INTO "debtors" ("business_name", "first_name", "last_name", "email", "mobile_number", "phone_number", "user_id", "created_at", "updated_at") VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9) RETURNING "id" [["business_name", ""], ["first_name", ""], ["last_name", ""], ["email", ""], ["mobile_number", ""], ["phone_number", ""], ["user_id", 1], ["created_at", "2016-05-18 01:10:27.140363"], ["updated_at", "2016-05-18 01:10:27.140363"]] SQL (0.3ms) INSERT INTO "debts" ("details", "user_id", "status", "creditor_id", "debtor_id", "created_at", "updated_at") VALUES ($1, $2, $3, $4, $5, $6, $7) RETURNING "id" [["details", ""], ["user_id", 1], ["status", "Pre Collection"], ["creditor_id", 28], ["debtor_id", 28], ["created_at", "2016-05-18 01:10:27.141270"], ["updated_at", "2016-05-18 01:10:27.141270"]] SQL (0.3ms) INSERT INTO "debts" ("details", "user_id", "status", "creditor_id", "debtor_id", "created_at", "updated_at") VALUES ($1, $2, $3, $4, $5, $6, $7) RETURNING "id" [["details", ""], ["user_id", 1], ["status", "Pre Collection"], ["creditor_id", 28], ["debtor_id", 28], ["created_at", "2016-05-18 01:10:27.141270"], ["updated_at", "2016-05-18 01:10:27.141270"]] (2.0ms) COMMIT (2.0ms) COMMIT Redirected to http://localhost:3000/debts/28 Redirected to http://localhost:3000/debts/28 Completed 302 Found in 20ms (ActiveRecord: 3.1ms) Completed 302 Found in 20ms (ActiveRecord: 3.1ms)我允许控制器中的参数
def debt_params params.require(:debt).permit(:user_id, :amount, :commission, :invoice_issued, :invoice_date, :status, :details, document_attributes: [:id, :debt_id, :document], debtor_attributes: [:id, :user_id, :business_name, :abn, :first_name, :last_name, :email, :mobile_number, :phone_number], creditor_attributes: [:id, :user_id, :business_name, :abn, :first_name, :last_name, :email, :mobile_number, :phone_number]) end该模型接受嵌套属性
class Debt < ActiveRecord::Base belongs_to :user belongs_to :creditor belongs_to :debtor has_many :documents accepts_nested_attributes_for :debtor accepts_nested_attributes_for :creditor accepts_nested_attributes_for :documents end不确定我在这里缺少什么？
I'm trying to upload a document within a nested form using the carrierwave gem. When I submit the form, I can see that there is an unpermitted parameter.
Started POST "/debts" for ::1 at 2016-05-18 11:10:27 +1000 Started POST "/debts" for ::1 at 2016-05-18 11:10:27 +1000 Processing by DebtsController#create as HTML Processing by DebtsController#create as HTML Parameters: {"utf8"=>"✓", "authenticity_token"=>"fEmDQnog42ug97IllLL5A6g7oNueLaXIYwKpOEEqBwwjRdVkncNoPbeZuHsuD/HWz1PWGnD7m6lUyZmRJCKS9A==", "debt"=>{"amount"=>"", "details"=>"", "debtor_attributes"=>{"business_name"=>"", "abn"=>"", "first_name"=>"", "mobile_number"=>"", "last_name"=>"", "phone_number"=>"", "email"=>""}, "creditor_attributes"=>{"business_name"=>"", "abn"=>"", "first_name"=>"", "mobile_number"=>"", "last_name"=>"", "phone_number"=>"", "email"=>""}, "document"=>{"document"=>#<ActionDispatch::Http::UploadedFile:0x007f8fbbee2698 @tempfile=#<Tempfile:/var/folders/sn/t0vd19_x6mg1fkn8b4x1v8lm0000gn/T/RackMultipart20160518-27972-zmqd57.jpg>, @original_filename="pexels-photo (2).jpg", @content_type="image/jpeg", @headers="Content-Disposition: form-data; name=\"debt[document][document]\"; filename=\"pexels-photo (2).jpg\"\r\nContent-Type: image/jpeg\r\n">}}, "commit"=>"Create Debt"} Parameters: {"utf8"=>"✓", "authenticity_token"=>"fEmDQnog42ug97IllLL5A6g7oNueLaXIYwKpOEEqBwwjRdVkncNoPbeZuHsuD/HWz1PWGnD7m6lUyZmRJCKS9A==", "debt"=>{"amount"=>"", "details"=>"", "debtor_attributes"=>{"business_name"=>"", "abn"=>"", "first_name"=>"", "mobile_number"=>"", "last_name"=>"", "phone_number"=>"", "email"=>""}, "creditor_attributes"=>{"business_name"=>"", "abn"=>"", "first_name"=>"", "mobile_number"=>"", "last_name"=>"", "phone_number"=>"", "email"=>""}, "document"=>{"document"=>#<ActionDispatch::Http::UploadedFile:0x007f8fbbee2698 @tempfile=#<Tempfile:/var/folders/sn/t0vd19_x6mg1fkn8b4x1v8lm0000gn/T/RackMultipart20160518-27972-zmqd57.jpg>, @original_filename="pexels-photo (2).jpg", @content_type="image/jpeg", @headers="Content-Disposition: form-data; name=\"debt[document][document]\"; filename=\"pexels-photo (2).jpg\"\r\nContent-Type: image/jpeg\r\n">}}, "commit"=>"Create Debt"} User Load (0.2ms) SELECT "users".* FROM "users" WHERE "users"."id" = $1 ORDER BY "users"."id" ASC LIMIT 1 [["id", 1]] User Load (0.2ms) SELECT "users".* FROM "users" WHERE "users"."id" = $1 ORDER BY "users"."id" ASC LIMIT 1 [["id", 1]] Unpermitted parameter: document Unpermitted parameter: document Role Load (0.1ms) SELECT "roles".* FROM "roles" INNER JOIN "users_roles" ON "roles"."id" = "users_roles"."role_id" WHERE "users_roles"."user_id" = $1 AND (((roles.name = 'admin?') AND (roles.resource_type IS NULL) AND (roles.resource_id IS NULL))) [["user_id", 1]] Role Load (0.1ms) SELECT "roles".* FROM "roles" INNER JOIN "users_roles" ON "roles"."id" = "users_roles"."role_id" WHERE "users_roles"."user_id" = $1 AND (((roles.name = 'admin?') AND (roles.resource_type IS NULL) AND (roles.resource_id IS NULL))) [["user_id", 1]] Unpermitted parameter: document Unpermitted parameter: document Unpermitted parameter: document Unpermitted parameter: document Unpermitted parameter: document Unpermitted parameter: document (0.1ms) BEGIN (0.1ms) BEGIN SQL (0.3ms) INSERT INTO "creditors" ("business_name", "first_name", "last_name", "email", "mobile_number", "phone_number", "user_id", "created_at", "updated_at") VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9) RETURNING "id" [["business_name", ""], ["first_name", ""], ["last_name", ""], ["email", ""], ["mobile_number", ""], ["phone_number", ""], ["user_id", 1], ["created_at", "2016-05-18 01:10:27.139053"], ["updated_at", "2016-05-18 01:10:27.139053"]] SQL (0.3ms) INSERT INTO "creditors" ("business_name", "first_name", "last_name", "email", "mobile_number", "phone_number", "user_id", "created_at", "updated_at") VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9) RETURNING "id" [["business_name", ""], ["first_name", ""], ["last_name", ""], ["email", ""], ["mobile_number", ""], ["phone_number", ""], ["user_id", 1], ["created_at", "2016-05-18 01:10:27.139053"], ["updated_at", "2016-05-18 01:10:27.139053"]] SQL (0.2ms) INSERT INTO "debtors" ("business_name", "first_name", "last_name", "email", "mobile_number", "phone_number", "user_id", "created_at", "updated_at") VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9) RETURNING "id" [["business_name", ""], ["first_name", ""], ["last_name", ""], ["email", ""], ["mobile_number", ""], ["phone_number", ""], ["user_id", 1], ["created_at", "2016-05-18 01:10:27.140363"], ["updated_at", "2016-05-18 01:10:27.140363"]] SQL (0.2ms) INSERT INTO "debtors" ("business_name", "first_name", "last_name", "email", "mobile_number", "phone_number", "user_id", "created_at", "updated_at") VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9) RETURNING "id" [["business_name", ""], ["first_name", ""], ["last_name", ""], ["email", ""], ["mobile_number", ""], ["phone_number", ""], ["user_id", 1], ["created_at", "2016-05-18 01:10:27.140363"], ["updated_at", "2016-05-18 01:10:27.140363"]] SQL (0.3ms) INSERT INTO "debts" ("details", "user_id", "status", "creditor_id", "debtor_id", "created_at", "updated_at") VALUES ($1, $2, $3, $4, $5, $6, $7) RETURNING "id" [["details", ""], ["user_id", 1], ["status", "Pre Collection"], ["creditor_id", 28], ["debtor_id", 28], ["created_at", "2016-05-18 01:10:27.141270"], ["updated_at", "2016-05-18 01:10:27.141270"]] SQL (0.3ms) INSERT INTO "debts" ("details", "user_id", "status", "creditor_id", "debtor_id", "created_at", "updated_at") VALUES ($1, $2, $3, $4, $5, $6, $7) RETURNING "id" [["details", ""], ["user_id", 1], ["status", "Pre Collection"], ["creditor_id", 28], ["debtor_id", 28], ["created_at", "2016-05-18 01:10:27.141270"], ["updated_at", "2016-05-18 01:10:27.141270"]] (2.0ms) COMMIT (2.0ms) COMMIT Redirected to http://localhost:3000/debts/28 Redirected to http://localhost:3000/debts/28 Completed 302 Found in 20ms (ActiveRecord: 3.1ms) Completed 302 Found in 20ms (ActiveRecord: 3.1ms)I have permitted the params in the controller
def debt_params params.require(:debt).permit(:user_id, :amount, :commission, :invoice_issued, :invoice_date, :status, :details, document_attributes: [:id, :debt_id, :document], debtor_attributes: [:id, :user_id, :business_name, :abn, :first_name, :last_name, :email, :mobile_number, :phone_number], creditor_attributes: [:id, :user_id, :business_name, :abn, :first_name, :last_name, :email, :mobile_number, :phone_number]) endThe model accepts nested attributes for
class Debt < ActiveRecord::Base belongs_to :user belongs_to :creditor belongs_to :debtor has_many :documents accepts_nested_attributes_for :debtor accepts_nested_attributes_for :creditor accepts_nested_attributes_for :documents endNot sure what I'm missing here?
原文：https://stackoverflow.com/questions/37288649
更新时间：2024-01-26 06:01
最满意答案
假设文件按顺序编号，绝对可以使用while循环：
i = 0 while True: i += 1 filename = 'arc.%d.txt' % i try: with open(filename, 'r') as file_handle: ... except IOError: break虽然这对所有的筑巢都变得非常难看。 你最好使用
glob.glob东西来获取文件名列表。from glob import glob filenames = glob('arc.*.txt') for filename in filenames: with open(filename) as file_handle: ...有一些与第二种方法相关的竞争条件 - 如果文件以某种方式在
glob找到它之间以及实际上是时候处理文件之间被删除那么你的程序可能会有糟糕的一天。It is definitely possible to use a while loop assuming that the files are numbered in sequential order:
i = 0 while True: i += 1 filename = 'arc.%d.txt' % i try: with open(filename, 'r') as file_handle: ... except IOError: breakThough this becomes pretty ugly with all the nesting. You're probably better off getting the list of filenames using something like
glob.glob.from glob import glob filenames = glob('arc.*.txt') for filename in filenames: with open(filename) as file_handle: ...There are some race conditions associated with this second approach -- If the file somehow gets deleted between when
globfound it and when it actually is time to process the file then your program could have a bad day.
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