Rails 5 模型对象未显示所有设计属性 | 模型对象未显示所有设计属性

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问题描述

我在设计中使用 Rails 5 API.我有一个 User 模型.架构看起来像这样.

I am using Rails 5 API with devise. I have a User model. Schema looks like this.

create_table "users", force: :cascade do |t|
    t.string   "email",                  default: "", null: false
    t.string   "encrypted_password",     default: "", null: false
    t.string   "reset_password_token"
    t.datetime "reset_password_sent_at"
    t.datetime "remember_created_at"
    t.integer  "sign_in_count",          default: 0,  null: false
    t.datetime "current_sign_in_at"
    t.datetime "last_sign_in_at"
    t.inet     "current_sign_in_ip"
    t.inet     "last_sign_in_ip"
    t.datetime "created_at",                          null: false
    t.datetime "updated_at",                          null: false
    t.index ["email"], name: "index_users_on_email", unique: true, using: :btree
    t.index ["reset_password_token"], name: "index_users_on_reset_password_token",    unique: true, using: :btree
  end

但我遇到的问题是 Rails 只显示 :id 、 :email 、 :created_at 、 :updated_at 属性作为模型的一部分.例如，在 rails 控制台

But the issue I am having is Rails only showing :id , :email , :created_at , :updated_at attributes as part of model. For example, in rails console

 User.new
 => #<User id: nil, email: "", created_at: nil, updated_at: nil>

 User.first
  User Load (0.5ms)  SELECT  "users".* FROM "users" ORDER BY "users"."id" ASC LIMIT $1  [["LIMIT", 1]]
 => #<User id: 2, email: "[email protected]", created_at: "2016-09-22 03:58:04", updated_at: "2016-09-22 04:54:41">

但是这些属性存在于数据库中.这个问题前面已经提到过.使用 rails 5 设计.但没有答案.请帮忙.

But these attributes exist in database.This problem is mentioned earlier . Devise with rails 5 . But no answers there .Please help.

推荐答案

Devise 限制了像 encrypted_password 这样的属性，这样关键信息就不会在 API 调用中暴露出来.所以要覆盖它，你需要覆盖 serializable_hash 方法.

Devise restricts attributes like encrypted_password so that the critical information doesn't get exposed in API calls. So to override this, you need to override serializable_hash method.

def serializable_hash(options = nil)
  super(options).merge(encrypted_password: encrypted_password)
end

这不是 Rails 5 特定的功能，而是用于保护您的属性的设计功能.

This is not a Rails 5 specific feature but a Devise feature to protect your attributes.

希望有帮助！

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