Re: Checkbox selection trouble in request.params

[Silviu Rusu <slivuz@gmail.com>]

correct way to use this:

<input type="checkbox" name="foo[]" value="1"> Item 1
<input type="checkbox" name="foo[]" value="2"> Item 2

note []  after foo


On Jun 15, 2012, at 8:15 PM, Randy M wrote:

> Well, but these HTML checkbox generates that query_string..
> 
> <input type="checkbox" name="foo" value="1"> Item 1
> <input type="checkbox" name="foo" value="2"> Item 2
> 
> at Rack, we cannot use these type form field?
> 
> 
> On 6月16日, 午前12:58, Joshua Ballanco <jball...@gmail.com> wrote:
>> You've only passed one parameter. The first "foo=1" sets the foo parameter to 1. The second "foo=3" re-assigns foo to 3. If you want two parameters to be passed to your app, you need to define two separate parameters.
>> 
>> On Wednesday, June 13, 2012 at 10:55 AM, Randy M wrote:
>>> Hello everyone.
>> 
>>> I'm using rack (1.4.1), but it seems cannot receive
>>> checkbox selection value..
>> 
>>> http://localhost/hello.cgi?foo=1&foo=3
>>> Hello, Rack
>>> {"foo"=>"3"}
>> 
>>> Code below.
>> 
>>> #!ruby
>>> require "rack"
>>> class HelloRack
>>> def call(env)
>>> req = Rack::Request.new(env)
>>> return [200, {"Content-Type" => "text/plain"},
>>> "Hello, Rack\n" + req.params.inspect ]
>>> end
>>> end
>>> Rack::Handler::CGI.run HelloRack.new
>> 
>>> Could anyone tell me idea?