我用Devise和omniauth设置Facebook登录,使用这些指令https://github.com/plataformatec/devise/wiki/OmniAuth:-Overview
Devise wiki提供了一些从存储在此变量request.env['omniauth.auth']
中的散列中获取facebook信息的说明,有关散列请参阅底部。
例如,Devise wiki为User.rb
模型提供了这两种方法
def self.find_for_facebook_oauth(access_token, signed_in_resource=nil)
data = access_token.extra.raw_info
if user = User.where(:email => data.email).first
user
else # Create a user with a stub password.
User.create!(:email => data.email, :password => Devise.friendly_token[0,20])
end
end
def self.new_with_session(params, session)
super.tap do |user|
if data = session["devise.facebook_data"] && session["devise.facebook_data"]["extra"]["raw_info"]
user.email = data["email"]
end
end
end
因此,使用下面的散列,我将以下内容添加到这两个方法中,以获取名称和图像
def self.find_for_facebook_oauth(access_token, signed_in_resource=nil)
data = access_token.extra.raw_info
if user = User.where(:email => data.email).first
user
else # Create a user with a stub password.
User.create!(:email => data.email, :password => Devise.friendly_token[0,20], :name => data.name, :image => access_token.info.image) #I added access_token.info.image based on first answer
end
end
def self.new_with_session(params, session)
super.tap do |user|
if data = session["devise.facebook_data"] && session["devise.facebook_data"]["extra"]["raw_info"]
user.email = data["email"]
user.name = data["name"]
user.image = access_token.info.image #i changed this based on first answer below
end
end
end
然后在我的视图中,我添加了以下内容来显示用户名和图像
<p>Name:<%= user.name %></p>
<p>Image: <%= image_tag user.image %>
但是,只有名称会显示。没有图像。
在我的数据库中,我有一个name
和一个image
列。来自Facebook的名称正在存储中,但图像列显示为'nil‘
有什么办法可以让这个图像正常工作吗?
存储在 request.env['omniauth.auth']
https://github.com/mkdynamic/omniauth-facebook/blob/master/lib/omniauth/strategies/facebook.rb#L31-47中的哈希
info do
prune!({
'nickname' => raw_info['username'],
'email' => raw_info['email'],
'name' => raw_info['name'],
'first_name' => raw_info['first_name'],
'last_name' => raw_info['last_name'],
'image' => "#{options[:secure_image_url] ? 'https' : 'http'}://graph.facebook.com/#{uid}/picture?type=square",
'description' => raw_info['bio'],
'urls' => {
'Facebook' => raw_info['link'],
'Website' => raw_info['website']
},
'location' => (raw_info['location'] || {})['name'],
'verified' => raw_info['verified']
})
end
https://stackoverflow.com/questions/9848543
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