当我创建一个新帖子(passengerride)时,它成功地将多个值存储在数据库中。但是,当我尝试编辑帖子(passengerride)时,复选框未被选中。
这是我的表格:
apps/views/passengerrides/_form.html.erb:
<%= form_for @passengerride do |f| %>
......
<div class="form-group ">
<div class="control-label col-sm-2 requiredField">
<%= f.label :okwithgender, 'Driver should be:' %>
<span class="asteriskField">*</span>
</div>
<div class="col-sm-8">
<div class=" ">
<div class="checkbox">
<label class="checkbox"><input id="okwithgender" type="checkbox" value="Male" name="passengerride[okwithgender][]">Male</label>
</div>
<div class="checkbox">
<label class="checkbox"><input id="okwithgender" type="checkbox" value="Female" name="passengerride[okwithgender][]">Female</label>
</div>
<div class="checkbox">
<label class="checkbox"><input id="okwithgender" type="checkbox" value="Other" name="passengerride[okwithgender][]">Other</label>
</div>
<div class="checkbox">
<label class="checkbox"><input id="okwithgender" type="checkbox" value="Any Gender" name="passengerride[okwithgender][]">Any Gender</label>
</div>
</div>
</div>
</div>
....
<% end %>
应用/ Controller /passengerrides_controllers:
def passengerride_params
params[:passengerride][:okwithgender] = params[:passengerride][:okwithgender].join(', ')
params.require(:passengerride).permit(:origin, :destination ... :okwithgender)
end
我想用这个 <%= f.check_box ... %>
将解决问题,但我不确定如何编写等同于
<input id="okwithgender" type="checkbox" value="Male" name="passengerride[okwithgender][]">
最佳答案
您应该开始对表单字段使用 Rails 表单助手。 http://guides.rubyonrails.org/form_helpers.html .
在你的情况下,我认为你应该尝试使用单选按钮来实现这一点,因为任何人都会选择这些选项中的一个。
<%= f.radio_button :okwithgender, 'Male' %>
<%= f.label :okwithgender, 'Male', value: 'Male' %>
<%= f.radio_button :okwithgender, 'Female' %>
<%= f.label :okwithgender, 'Female', value: 'Female' %>
<%= f.radio_button :okwithgender, 'Other' %>
<%= f.label :okwithgender, 'Other', value: 'Other' %>
<%= f.radio_button :okwithgender, 'Any Gender' %>
<%= f.label :okwithgender, 'Any Gender', value: 'Any Gender' %>
要通过复选框多选来实现这一点,
f.check_box :okwithgender, {multiple: true}, 'Male'
f.label :okwithgender, 'Male', value: 'Male'
f.check_box :okwithgender, {multiple: true}, 'Female'
f.label :okwithgender, 'Female', value: 'Female'
f.check_box :okwithgender, {multiple: true}, 'Other'
f.label :okwithgender, 'Other', value: 'Other'
f.check_box :okwithgender, {multiple: true}, 'Any Gender'
f.label :okwithgender, 'Any Gender', value: 'Any Gender'
关于ruby-on-rails - ruby rails : Checkbox gets unchecked when trying to edit a post,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/40691592/