Ruby-on-rails 如何在 rails 3 中为 DATETIME 列保存当前日期/时间
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时间：2020-09-03 03:14:42 来源:igfitidea点击:
How do i save a current date/time for a DATETIME column in rails 3
提问by Tamik Soziev
I have a DATETIME column called last_profile_update. I need to update it with a current time. I have the following code:
我有一个名为 last_profile_update 的 DATETIME 列。我需要用当前时间更新它。我有以下代码：
user = User.new
user.last_profile_update = Date.today
user.save
but it does not work.
但它不起作用。
回答by Brian Underwood
Perhaps a way to simplify that code:
也许是一种简化该代码的方法：
user = User.create(:last_profile_update => Time.now)
回答by shajin
It could be done with
可以用
user.touch(:last_profile_update)
回答by Tamik Soziev
Figured it was Time.now
以为是 Time.now
user = User.new
user.last_profile_update = Time.now
user.save
回答by Thillai Narayanan
User.create({:last_profile_update=>Time.now})
回答by Casual Coder
It could be done with:
可以通过以下方式完成：
user.last_profile_update = Date.today.to_datetime
