很容易确定文件扩展名何时显式

It is simple determine when a file extension is explicit

• .a-静态库
• .dylib-动态库

• .a - static library
• .dylib - dynamic library

您可以使用 file 命令

you can use file command

file /some_path/<framework_name>.framework/<framework_name>

//possible results
current ar archive random library //static library
dynamically linked shared library //dynamic library

可以在构建设置中更改它Mach-O type ^[关于] 从Static Library target到Dynamic library，将生成.a文件，file命令显示dynamically linked shared library，但它将是静态库

It is possible to change it in Build Settings a Mach-O type^[About] from Static Library target to Dynamic library and .a file will be generated, file command show you dynamically linked shared library but it will be static library

[词汇]
[静态与动态框架]