1
我有一个序列化问题。 在我的模型我有Rails并不反序列化阵列
class PramEntry < ActiveRecord::Base
serialize :pram_units_array, Array
attr_accessible :pram_units_array
end
然后我做
entry = PramEntry.new
entry.pram_units_array = [PramUnit.new(depth: 1, width: 1)]
entry.pram_units_array
=> [#<PramUnit:0x007fb368eb8ae8 @depth=1, @width=1>]
entry.save
=> true
但后来我从数据库
entry = PramEntry.first
entry.pram_units_array
=> "---\n- &70364639756800 !ruby/object:PramUnit\n depth: 1\n width: 1\n errors: !ruby/object:ActiveModel::Errors\n base: *70364639756800\n messages: !omap []\n validation_context: \n"
加载这个对象时,它不会从YAML序列化回来。我做错了什么?提前致谢!