允许属性的不允许参数错误 [英] Unpermitted parameters error for permitted attributes

问题描述

我有一个 rails应用，用于进行编辑传递工作人员ID移位控制器..

I have a rails app for doing volunteer scheduling. Shifts have multiple workers. I am trying to pass the worker ids from the edit form to the shifts controller.

正在使用适当的元素生成输入表单:

The input form is being generated with the appropriate elements:

<select id="shift_workers" multiple="multiple" name="shift[workers][]">
  <option selected="selected" value="1">username</option>
</select>

在控制器中，我有以下代码:

In the controller I have the following code:

def shift_params
  params.require(:shift).permit(:start, :end, :size, :task_id, workers: [])
end

尽管如此，编辑班次时出现以下错误:

Despite this I am getting the following error when editing shifts:

Unpermitted parameters: workers

推荐答案

您必须执行以下操作:

workers_ids: []

而不是:

workers: []

因为数据库存储的是工作程序ID的数组，而不是工作程序的数组.

because the database stores an array of the worker ids, not an array of workers.

此处

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