nginx rewrite 301 redirects to the specified page

Question

How to allow access to https://www.a.com/ask/?1.html
to automatically jump to 301 https://wen.a.com/ 2.html

Answer 1

No one answered. It took me several days to solve it. Hey, I’d better announce it

if ($request_uri = /ask/?1.html ) { return 301 https://wen.a.com/2.html; }