Xcode文档、模拟器路径
1.Xcode文档安装路径
/Applications/Xcode.app/Contents/Developer/Documentation/DocSets
2.Xcode模拟器安装路径
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs
3.模拟器应用程序的安装路径
/Users/aplle/资源库/Application Support/iPhone Simulator/7.1/Applications
