URL variables with net/http

[Dejan Duh]

Hi everyone. I'm building an api with net/http and I'm having trouble with url variables. How can I get the url variables form the url in the REST way. Example, if I have a url like "http:/localhost:3000/users/:id". I want to get the user with the id given from the url. What is the best way to get the id using only the standart lib? Thanks

[j2gg0s]

I'm not sure what the best way is.

But I think you can refer to the existing solutions. For example gin, mux.

Link: https://github.com/gin-gonic/gin/blob/master/tree.go#L116

[TheDiveO]

stdlib only with upcoming 1.22 which isn't yet released, see https://eli.thegreenplace.net/2023/better-http-server-routing-in-go-122/

gorilla mux is another 3rd party muxer with variable support https://github.com/gorilla/mux

the "best" way using only stdlib mux is to parse the path and extract the variable yourself. otherwise, wait for 1.22. or use an existing 3rd party module.

[Tim Casey]

Gin does this directly.   There is nothing complicated it does.  Something like:

group := engine.Group("/service/v1")

group.GET("user/:id", handler)

And then in the handler:

id := c.Param("id")

And the rest is what ever is yours.  "engine" is a gin engine and 'c' is a gin context.

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