dongmi4809
dongmi4809
2016-12-07 03:38

net / http:是否可以具有http.HandleFunc自定义参数?

已采纳

I'm trying to find a way to create special routes to that would allow post request to work with a params ( /url/:param ).

I've tried something like this :

http.HandleFunc("/myroute/:myparam",myfunction)

And i was hopping to be able to get the params as of the http-request in side "myfunction" with req.Form but it keeps on failing on me and i get 404'ed.

I recognize it is something strange to ask as i could pass my params in the body of the function, but for ease of use/display i've been asked to be able to pregenerate a list of static "routes" on some preset so that it can be distributed as different urls + optional params instead of one url for everybody + params..

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  • duanbu1421 duanbu1421 5年前

    It's not possible with the default Mux, but you can use alternative routers like httprouter, Gorilla Mux or chi.

    Here is an example of httprouter usage:

    package main
    
    import (
        "fmt"
        "github.com/julienschmidt/httprouter"
        "net/http"
    )
    
    func Hello(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
        fmt.Fprintf(w, "hello, %s!
    ", ps.ByName("name"))
    }
    
    func main() {
        router := httprouter.New()
        router.GET("/hello/:name", Hello)
        http.ListenAndServe(":8080", router)
    }
    
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