Warning: file_get_contents(/data/phpspider/zhask/data//catemap/2/ruby-on-rails/65.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181

Warning: file_get_contents(/data/phpspider/zhask/data//catemap/0/azure/11.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
Ruby on rails 将参数从视图传递到控制器_Ruby On Rails - Fatal编程技术网

Ruby on rails 将参数从视图传递到控制器

Ruby on rails 将参数从视图传递到控制器,ruby-on-rails,Ruby On Rails,我的视图中有下一个代码: <% @todos.each do |todo| %> <tr> <td><%= todo.description %></td> <td><%= link_to 'Create action', new_simple_action_path } %></td> 我想将todo.description传递给SimpleAction控制器。我可以像这样

我的视图中有下一个代码:

<% @todos.each do |todo| %>
  <tr>
    <td><%= todo.description %></td>
    <td><%= link_to 'Create action', new_simple_action_path } %></td>

我想将todo.description传递给SimpleAction控制器。我可以像这样重写我的代码,这将是可行的:

<td><%= link_to 'Create action', { :controller => 'simple_actions', :action => 'new', :todo => todo.description } %></td>
'simple_actions',:action=>'new',:todo=>todo.description}%>
但我只是想知道是否可以使用新的\u simple\u action\u path将变量作为参数传递?

这应该可以:

link_to 'Create action', new_simple_action_path(:todo => todo.description)

到底为什么要这么做?新的简单操作路径(todo)?它是一个字符串,但我正在搜索通用解决方案。我不能在新方法中更改参数的数量,也不能使用参数哈希来寻找解决方案。