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8 lines
280 B
8 lines
280 B
6 years ago
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class UserActivity < ActiveRecord::Base
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attr_accessible :act_type,:act_id,:container_type,:container_id
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# 虚拟关联---项目动态表/课程动态表
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belongs_to :act ,:polymorphic => true
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# 虚拟关联---项目/课程
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belongs_to :container ,:polymorphic => true
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end
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