unity.exe -projectPath E:\ProjectPath -buildTarget iOS
/Applications/Unityxx/Unity.app/Contents/MacOS/Unity -projectPath /Users/xx/xx/UnityProj -buildTarget android
打开之后 一定现存一下 proj
不然crash或者关闭之后再打开 还是standalone
原文:https://www.cnblogs.com/minggoddess/p/12430850.html