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传过去
class C < ..
def index
Post.find(params[:id]).f session
...
end
end
class M < ..
def f session
...
end
end
#2 楼 @yuan_yp
假设你在 model 里有个方法 f 要访问 session
从 controller 里把 session 取出来,然后传给 f 就可以了