打开工程后－－show in finder 找到xx.xcodeproj  右键 选择如图所示用终端机打开

然后依次输入如图红线标记所示的命令

如果成功则会有如下字样提示：

最后需要压缩一个zip文件以上传到fb进行审核

 compress the simulator build into a zip file. The build that was generated was placed into:

{base directory}/build/Release-iphonesimulator/{projectname}.app

Generate a Simulator Build command