Rails 请问按自定义条件查找的方法

roam · October 25, 2012 · Last by Roam replied at October 29, 2012 · 2182 hits

有几个关联的数据库,现在要根据用户自定义的条件去查找数据,搜索条件有多个,并且可以为空,请问有什么简单些的方式处理么?

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