rails技巧之find

最新推荐文章于 2018-11-08 16:11:00 发布

最新推荐文章于 2018-11-08 16:11:00 发布 · 148 阅读

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Task.find(:all, :conditions => ["complete=? and priority=?", false, 3])
Task.find(:all, :conditions => ["complete=? and priority IS ?", false, nil])
Task.find(:all, :conditions => ["complete=? and priority IN (?)", false, [1,3]])
Task.find(:all, :conditions => ["complete=? and priority IN (?)", false, 1..3])
Task.find(:all, :conditions => { :complete => false, :priority => 1 })
Task.find(:all, :conditions => { :complete => false, :priority => nil })
Task.find(:all, :conditions => { :complete => false, :priority => [1,3] })
Task.find(:all, :conditions => { :complete => false, :priority => 1..3 })
Task.find_all_by_priority(1..3)

没什么好说的