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体验新版 GitCode,发现更多精彩内容 >>
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cca9a21a
编写于
6月 23, 2012
作者:
F
Francesco Rodriguez
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update ActiveModel::Model documentation [ci skip]
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ffe16b16
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with
37 addition
and
16 deletion
+37
-16
activemodel/lib/active_model/model.rb
activemodel/lib/active_model/model.rb
+37
-16
未找到文件。
activemodel/lib/active_model/model.rb
浏览文件 @
cca9a21a
...
...
@@ -2,11 +2,11 @@ module ActiveModel
# == Active Model Basic Model
#
# Includes the required interface for an object to interact with
<tt>ActionPack</tt>,
#
using different <tt>ActiveModel</tt> modules. It includes model name introspections,
#
conversions, translations and validations. Besides that, it allows you to
#
initialize the object with a hash of attributes, pretty much like
# <tt>ActiveRecord</tt> does.
# Includes the required interface for an object to interact with
#
<tt>ActionPack</tt>, using different <tt>ActiveModel</tt> modules.
#
It includes model name introspections, conversions, translations and
#
validations. Besides that, it allows you to initialize the object with a
#
hash of attributes, pretty much like
<tt>ActiveRecord</tt> does.
#
# A minimal implementation could be:
#
...
...
@@ -15,13 +15,13 @@ module ActiveModel
# attr_accessor :name, :age
# end
#
# person = Person.new(
:name => 'bob', :age =>
'18')
# person = Person.new(
name: 'bob', age:
'18')
# person.name # => 'bob'
# person.age # => 18
# person.age
# => 18
#
# Note that, by default, <tt>ActiveModel::Model</tt> implements <tt>persisted?</tt>
to
#
return <tt>false</tt>, which is the most common case. You may want to override it
# in your class to simulate a different scenario:
# Note that, by default, <tt>ActiveModel::Model</tt> implements <tt>persisted?</tt>
#
to return +false+, which is the most common case. You may want to override
# i
t i
n your class to simulate a different scenario:
#
# class Person
# include ActiveModel::Model
...
...
@@ -32,11 +32,12 @@ module ActiveModel
# end
# end
#
# person = Person.new(
:id => 1, :name =>
'bob')
# person = Person.new(
id: 1, name:
'bob')
# person.persisted? # => true
#
# Also, if for some reason you need to run code on <tt>initialize</tt>, make sure you
# call super if you want the attributes hash initialization to happen.
# Also, if for some reason you need to run code on <tt>initialize</tt>, make
# sure you call +super+ if you want the attributes hash initialization to
# happen.
#
# class Person
# include ActiveModel::Model
...
...
@@ -48,11 +49,12 @@ module ActiveModel
# end
# end
#
# person = Person.new(
:id => 1, :name =>
'bob')
# person = Person.new(
id: 1, name:
'bob')
# person.omg # => true
#
# For more detailed information on other functionalities available, please refer
# to the specific modules included in <tt>ActiveModel::Model</tt> (see below).
# For more detailed information on other functionalities available, please
# refer to the specific modules included in <tt>ActiveModel::Model</tt>
# (see below).
module
Model
def
self
.
included
(
base
)
base
.
class_eval
do
...
...
@@ -63,12 +65,31 @@ def self.included(base)
end
end
# Initializes a new model with the given +params+.
#
# class Person
# include ActiveModel::Model
# attr_accessor :name, :age
# end
#
# person = Person.new(name: 'bob', age: '18')
# person.name # => "bob"
# person.age # => 18
def
initialize
(
params
=
{})
params
.
each
do
|
attr
,
value
|
self
.
public_send
(
"
#{
attr
}
="
,
value
)
end
if
params
end
# Indicates if the model is persisted. Default is +false+.
#
# class Person
# include ActiveModel::Model
# attr_accessor :id, :name
# end
#
# person = Person.new(id: 1, name: 'bob')
# person.persisted? # => false
def
persisted?
false
end
...
...
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