对 Ruby 很陌生，我已经被困了好几个小时了。到处寻找也找不到答案。
所以我使用 Rails gem 的引导日期选择器。
因为我更改了日期选择器的日期格式，所以它不会存储在数据库中。猜测这是因为 simple_form 输入被用作字符串，以避免 simple_form 应用默认日期选择输入。
我的问题是：如何在将“06/18/2013”等字符串保存到数据库之前将其修改/转换为日期？这最好由控制器处理吗？
我的控制器：
# PUT /events/1
# PUT /events/1.json
def update
@event = Event.find(params[:id])
# Ugghhhh I need help
# @event.event_date = Date.parse(params[:event_date]).to_date
respond_to do |format|
if @event.update_attributes(params[:event])
format.html { redirect_to @event, :notice => 'Event was successfully updated.' }
format.json { head :no_content }
else
format.html { render :action => "edit" }
format.json { render :json => @event.errors, :status => :unprocessable_entity }
end
end
end
数据库架构：
create_table "events", :force => true do |t|
t.string "event_name"
t.string "event_location"
t.date "event_date"
t.time "event_time"
t.text "event_content"
t.datetime "created_at", :null => false
t.datetime "updated_at", :null => false
t.integer "user_id"
t.boolean "approved", :default => true
t.integer "category_id"
end
这是服务器日志：
Started PUT "/events/1" for 127.0.0.1 at 2013-06-14 02:37:15 -0700
Processing by EventsController#update as HTML
Parameters: {"utf8"=>"✓", "authenticity_token"=>"RYMdJ0lFmvG0+nVIsTtJXu5fyD/L3/WAKsk9FX6WWgo=", "event"=>{"user_id"=>"1", "category_id"=>"3", "event_name"=>"A Event Name", "event_location"=>"Event Location", "event_date"=>"06/13/2013", "event_time(1i)"=>"2000", "event_time(2i)"=>"1", "event_time(3i)"=>"1", "event_time(4i)"=>"02", "event_time(5i)"=>"18", "event_content"=>"First night"}, "commit"=>"Update Event", "id"=>"1"}
User Load (0.2ms) SELECT "users".* FROM "users" WHERE "users"."id" = 1 LIMIT 1
Event Load (0.1ms) SELECT "events".* FROM "events" WHERE "events"."id" = ? LIMIT 1 [["id", "1"]]
(0.0ms) begin transaction
(0.0ms) commit transaction
Redirected to http://localhost:3000/events/1
Completed 302 Found in 4ms (ActiveRecord: 0.3ms)
