在Rails中,你可以使用select_tag和options_for_select来创建一个自定义的下拉列表。这个下拉列表可以用于搜索功能。以下是一个简单的示例: 代码语言:javascript 复制 <%=form_with url:search_path,method::getdo%><%=select_tag:search,options_for_select([['Option 1',1],['Option 2',2],['Option 3',...
在select_tag中,name将会是params所接收值所用的键 直接看范例 <%= select_tag'user',"<option>CFC</option>"%> 这时在Controller中将会用params[:user]来接收传过来的值 但是select_tag也可以搭配options_for_select或者options_from_collection_for_select一起使用.. 来看一个范例吧 <%=select_tag('sid[]'...
使用Rails Select标记,可以指定选项的名称和值,并将其与控制器中的相应参数关联起来。当用户选择一个选项并提交表单时,选项的值将作为参数传递给控制器的相应方法。 以下是一个示例,展示了如何在Rails应用程序中使用Select标记: 代码语言:txt 复制 # 在视图中创建下拉列表 <%= form_tag(controller: 'example'...
复选框 check_button_tag(name, value = "1", checked = false, option = {}) 复选框的 name 属性同样指示组名。 3> 文件域 文件域 file_field_tag(name, option = {}) 4> 列表框 select_tag(name, option_tags = nil, options = {}) .rhtml 中的文件实现例: 1 2 3 4 5 6 7 8 <%=...
<td ><%= select_tag "shift#{day}" ,options_from_collection_for_select(@shifts,"id","shift"),:class => "text_input shift",:id =>"shift"+day.to_s %> </td> </tr> <% else %> <tr id="r<%= day %>"> <td class="eheader" style="width:145px">考勤日期:</td> ...
def date_select(object_name, method, options = {}, html_options = {}) InstanceTag.new(object_name, method, self, options.delete(:object)).to_date_select_tag(options, html_options) end# Returns a set of select tags (one for hour, minute and optionally second) pre-selected for accessin...
<%= select_tag(:category_id, options_for_select(@categories), :prompt =>'Select one!')%> Snip20170305_29.png 7. 去http://localhost:3000/categories新建类别 new category.gif 8. 将category的选项呈现在admin的页面上。在app/views/layouts/admin.html.erb里添加如下代码: ...
* Fix `select_tag` so that it doesn't change `options` when `include_blank` is present. *Younes SERRAJ* ## Action Pack * Support for the HTTP header `Feature-Policy` has been revised to reflect its [rename](https://github.com/w3c/webappsec-permissions-policy/pull/379) ...
6: <%= stylesheet_link_tag 'admin/data_stat/ingrid'%> 7: <%= images 'data_stat' %> 十、方法未知 ActionController::UnknownAction (No action responded to select_data(data). Actions: admin_role_required, hot_tags, index, select_data, sponsor_link, and user_role_required): ...
6: <%= stylesheet_link_tag 'admin/data_stat/ingrid'%> 7: <%= images 'data_stat' %> 十、方法未知 ActionController::UnknownAction (No action responded to select_data(data). Actions: admin_role_required, hot_tags, index, select_data, sponsor_link, and user_role_required): ...