Question

我有一个键值对数组：

FEEDBACK_NOTIFICATION = [['Only in reports', 'only_in_reports'],['Immediately', 'immediately']]

在我看来，我尝试过：

<%= f.select(:feedback_schedule, FEEDBACK_NOTIFICATION, options ={:prompt => "-Select-"}) %>

<%= f.select(:feedback_schedule, options_for_select(FEEDBACK_NOTIFICATION), options ={:prompt => "-Select-"}) %>

<%= f.select(:feedback_schedule, options_for_select(FEEDBACK_NOTIFICATION, selected: feedback_schedule), options ={:prompt => "-Select-"}) %>

即使数据库已更新，当我返回编辑页面时，这些似乎都不会显示所选/更新的值。

Answer 1

＆lt;％= f.select（：feedback_schedule，options_for_select（FEEDBACK_NOTIFICATION，selected：@ object.feedback_schedule），options = {：prompt =＆gt;＆＃34; -Select - ＆＃34;}）％＆gt;会工作

如何在选择下拉列表中显示所选值

1 个答案: