1.下载SDK模拟器&Xcode

SDK和Xcode官方下载地址:Sign In - Apple

2.下载好后使用命令将SDK导入到Xcode中如下命令

sudo xcode-select -s /Applications/Xcode.app
xcodebuild -runFirstLaunch
xcodebuild -importPlatform "/Users/caoshixin/Downloads/iOS_18.2_Simulator_Runtime.dmg"

依次执行以上的命令，SDK就能导入到Xcode中了