按照文档导出的mac工程运行如下代码:
local skeletonNode = sp.SkeletonAnimation:create("res/spine/spineboy-ess.json", "res/spine/spineboy.atlas", 0.6)
skeletonNode:setScale(0.5)
直接报错:[string “app/views/DinoLand/DinoLandView.lua”]:28: attempt to index global ‘sp’ (a nil value)
查看导出的工程,似乎并没有spine相关的代码加入到工程中,请问需要怎么解决呢