Mac 端 查找UnityEngine.dll和UnityEngine.UI.dll

首先,打开你应用程序目录,找到你的Unity : 

进入该文件夹:找到Unity的Log,右键,显示包内容:

UnityEngine.dll的目录 : Contents -> Managed -> UnityEngine.dll  

UnityEngine.UI.dll的目录 : Contents -> UnityExtensions -> Unity -> GUISystem -> UnityEngine.UI.dll

因为自己做项目需要导入dll,特此记录一下..希望对大家有些许帮助...