init project

app/forms/validate/user.rb

@@ -0,0 +1,10 @@
+module Validate
+  class User
+    include ActiveModel::Model
+
+    attr_accessor :nickname, :lastname
+
+    validates :nickname, presence: true, length: { maximum: 10, too_long: "不能超过10个字符" }
+    validates :lastname, presence: true
+  end
+end

app/forms/validate/user_extension.rb

@@ -0,0 +1,9 @@
+module Validate
+  class UserExtension
+    include ActiveModel::Model
+    attr_accessor :location
+
+    validates :location, presence: true
+
+  end
+end