Ruby on rails 3 Hello World rack middleware with rails 3:如何处理所有请求的主体
我想尝试一个简单的机架中间件“hello world”,但我似乎被卡住了。 似乎主sytax已更改,因为某些示例使用以下代码:Ruby on rails 3 Hello World rack middleware with rails 3:如何处理所有请求的主体,ruby-on-rails-3,rack,middleware,rack-middleware,Ruby On Rails 3,Rack,Middleware,Rack Middleware,我想尝试一个简单的机架中间件“hello world”,但我似乎被卡住了。 似乎主sytax已更改,因为某些示例使用以下代码: require 'rack/utils' class FooBar def initialize(app) @app = app end def call(env) status, headers, body = @app.call(env) body.body << "\nHi from #{self.c
require 'rack/utils'
class FooBar
def initialize(app)
@app = app
end
def call(env)
status, headers, body = @app.call(env)
body.body << "\nHi from #{self.class}"
[status, headers, body]
end
end
需要“机架/utils”
福巴级
def初始化(应用程序)
@app=app
结束
def呼叫(环境)
状态、标题、正文=@app.call(env)
body.body这应该满足您的要求:
# in config/application.rb
config.middleware.use 'FooBar'
# in config/initializers/foo_bar.rb
class FooBar
def initialize(app)
@app = app
end
def call(env)
status, headers, response = @app.call(env)
[status, headers, response.body << "\nHi from #{self.class}"]
end
end
config/application.rb中的#
config.middleware.use'FooBar'
#在config/initializers/foo_bar.rb中
福巴级
def初始化(应用程序)
@app=app
结束
def呼叫(环境)
状态、标题、响应=@app.call(env)
[状态、标题、响应.bodyRails3.2.12+:
答案不适用于Rails 3.2.12+
这个是:
# in config/application.rb
config.middleware.use 'FooBar'
# in config/initializers/foo_bar.rb
class FooBar
def initialize(app)
@app = app
end
def call(env)
status, headers, response = @app.call(env)
response.body += "\nHi from #{self.class}"
# response.body << "..." WILL NOT WORK
[status, headers, response]
end
end
config/application.rb中的#
config.middleware.use'FooBar'
#在config/initializers/foo_bar.rb中
福巴级
def初始化(应用程序)
@app=app
结束
def呼叫(环境)
状态、标题、响应=@app.call(env)
response.body+=“\nHi from#{self.class}”
#答复.正文
# in config/application.rb
config.middleware.use 'FooBar'
# in config/initializers/foo_bar.rb
class FooBar
def initialize(app)
@app = app
end
def call(env)
status, headers, response = @app.call(env)
response.body += "\nHi from #{self.class}"
# response.body << "..." WILL NOT WORK
[status, headers, response]
end
end