2011-11-12 87 views

回答

3
> rails g model A a:datetime 
    invoke active_record 
    create db/migrate/20111112023850_create_as.rb 
    create app/models/a.rb 
    invoke test_unit 
    create  test/unit/a_test.rb 
    create  test/fixtures/as.yml 

> rake db:migrate 
== CreateAs: migrating ======================================================= 
-- create_table(:as) 
    -> 0.0011s 
== CreateAs: migrated (0.0012s) ============================================== 

> rails c 
Loading development environment (Rails 3.1.0) 
ruby-1.8.7-p299 :001 > rec = A.new 
=> #<A id: nil, a: nil, created_at: nil, updated_at: nil> 
ruby-1.8.7-p299 :002 > a = "11/05/2011" 
=> "11/05/2011" 
ruby-1.8.7-p299 :003 > b = "5:30PM" 
=> "5:30PM" 
ruby-1.8.7-p299 :012 > rec.a = DateTime.parse("#{a} #{b}") 
=> Sat, 05 Nov 2011 17:30:00 +0000 

ruby-1.8.7-p299 :013 > rec.save 
    SQL (32.2ms) INSERT INTO "as" ("a", "created_at", "updated_at") VALUES (?, ?, ?) [["a", Sat, 05 Nov 2011 17:30:00 UTC +00:00], ["created_at", Sat, 12 Nov 2011 02:43:05 UTC +00:00], ["updated_at", Sat, 12 Nov 2011 02:43:05 UTC +00:00]] 
=> true 

注:日期被解析为UTC没有区偏移

0

这样的事情会起作用。

datetime = DateTime.new(2011,11,05,17,30); 
datetime.to_s(:db) 

我并不确切地知道你的意思的日期和时间为两个单独字符串

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