Ruby-on-rails Rails：带参数的 URL/路径
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Rails: URL/path with parameters
提问by wwli
I would like to produce a URL as
我想生成一个 URL 作为
/swimming/students/get_times/2013-01-01/2013-02-02
from this route
从这条路线
get_class_swimming_students GET /swimming/students/get_times/:start_date/:end_date(.:format) swimming/students#get_times
How do I pass parameters to get_class_swimming_students_path?
如何将参数传递给get_class_swimming_students_path？
回答by zeantsoi
get_class_swimming_students_path('2013-01-01', '2013-02-02')
In Rails, URL parameters are mapped to the router in the precise order in which they are passed. Consider the following:
在 Rails 中，URL 参数按照它们传递的精确顺序映射到路由器。考虑以下：
# rake routes
my_route GET /my_route/:first_param/:second_param/:third_param(.:format)
# my_view.html.erb
<%= link_to('My Route', my_route_path('first_param', 'second_param', 'third_param') %>
#=> <a href="/my_route/first_param/second_param/third_param">My Route</a>
Consider also the following case where fooand barare static parameters positioned betweendynamic parameters:
还要考虑以下情况，其中foo和bar是位于动态参数之间的静态参数：
# rake routes
my_route GET /my_route/:first_param/foo/:second_param/bar/:third_param(.:format)
# my_view.html.erb
<%= link_to('My Route', my_route_path('first_param', 'second_param', 'third_param') %>
#=> <a href="/my_route/first_param/foo/second_param/bar/third_param">My Route</a>
In the final example, arguments will appear as URL parameters in the orderin which they were passed, but not necessarily in the same sequence.
在最后一个示例中，参数将按照传递的顺序作为 URL 参数出现，但不一定以相同的顺序出现。
EDIT:
编辑：
The following syntax is equivalent to the first snippet. The primary difference is that it accepts arguments as named parameters, rather than in the order they're passed:
以下语法等效于第一个代码段。主要区别在于它接受参数作为命名参数，而不是按照它们传递的顺序：
get_class_swimming_students_path(:start_date => '2013-01-01', :end_date => '2013-02-02')
回答by Jyothu
For any path you can pass params like
对于任何路径，您都可以传递参数，例如
get_class_swimming_students_path(:params1 => value1, :params2 => value2)
And In controller you can simply access those passed params as usual
在控制器中，您可以像往常一样简单地访问那些传递的参数
回答by Sachin R
Try to use that
尝试使用它
get_class_swimming_students_path(:start_date => "2013-01-01", :end_date => "2013-02-02")
回答by Jerome
in rails 4, type less with:
在 rails 4 中，输入 less：
get_class_swimming_students_path(params1: value1, params2: "value2")
where value1 is a method and value2 is a string
其中 value1 是一个方法，value2 是一个字符串
回答by Zhenya
You can also combine named parameters and not named parameters like this:
您还可以像这样组合命名参数和未命名参数：
get_class_swimming_students_path('2013-01-01', '2013-02-02', gender: 'M')
