Javascript Rails:Selectize multiselect仅提交最后一个选择
我有一个表单来创建一个新用户。我正在尝试使用Javascript Rails:Selectize multiselect仅提交最后一个选择,javascript,jquery,ruby-on-rails,forms,selectize.js,Javascript,Jquery,Ruby On Rails,Forms,Selectize.js,我有一个表单来创建一个新用户。我正在尝试使用gem selectize rails来允许添加多个相关用户的选项: views/users/new.html.erb <%= form_for @user, :url => users_path do |f| %> <select name="users" id='select-user'> <option value="">Select at least one user</option&
gem selectize rails
来允许添加多个相关用户的选项:
views/users/new.html.erb
<%= form_for @user, :url => users_path do |f| %>
<select name="users" id='select-user'>
<option value="">Select at least one user</option>
<% User.all.each do |user| %>
<option value="<%= user.name %>"><%= user.name %></option>
<% end %>
</select>
<script type="text/javascript">
var select = $('#select-user').selectize({
persist: false,
maxItems: 3,
create: false,
valueField: 'name',
labelField: 'name',
searchField: ['name'],
render: {
item: function(item, escape) {
return '<div>' +
(item.name ? '<span class="select-name">' + escape(item.name) + ',</span>' : '') +
'</div>';
},
option: function(item, escape) {
var label = item.name;
return '<div>' +
'<span class="select-label">' + escape(label) + '</span>' +
'</div>';
}
},
preload: false,
load: function(query, callback) {}
});
</script>
<%= f.submit "Submit", class: "btn btn-primary" %>
<% end %>
def new
@user = User.new
end
def create
@user = User.new(user_params)
if @user.save
redirect_to root_path
else
redirect_to new_user_path
end
end
private
def user_params
params.require(:user).permit(:name, :users)
end
在new.html.erb
上,代码运行良好:我最多可以添加三个用户。但是当我提交它时,params[“users”]
只包含我添加的最后一个用户,不管我尝试添加多少。有人知道为什么会这样吗?改变:
<select name="users" id='select-user'>
到
这应该使rails期望从select中获得多个值
可以使用rails选择辅助程序重写整个选择部分
<select name="users" id='select-user'>
<option value="">Select at least one user</option>
<% User.all.each do |user| %>
<option value="<%= user.name %>"><%= user.name %></option>
<% end %>
</select>
至少选择一个用户
变成
<%= select :user, options_for_collection_for_select(User.all, :name, :name),
{ prompt: "Please select.." },
{ multiple: true } %>
有关更多详细信息,请参阅和。更改:
<select name="users" id='select-user'>
到
这应该使rails期望从select中获得多个值
可以使用rails选择辅助程序重写整个选择部分
<select name="users" id='select-user'>
<option value="">Select at least one user</option>
<% User.all.each do |user| %>
<option value="<%= user.name %>"><%= user.name %></option>
<% end %>
</select>
至少选择一个用户
变成
<%= select :user, options_for_collection_for_select(User.all, :name, :name),
{ prompt: "Please select.." },
{ multiple: true } %>
有关更多详细信息,请参阅和