http.Request：从网址获取文件名

Question

How do I get only the file name one.json from the following request: http://localhost/slow/one.json?

I just need to serve this file and others from the url? This is a test server that I need to respond very slow.

http.HandleFunc("/slow/", func(w http.ResponseWriter, r *http.Request) {
    log.Println("Slow...")
    log.Println(r.URL.Path[1:])
    time.Sleep(100 * time.Millisecond)
    http.ServeFile(w, r, r.URL.Path[1:])
})

Answer 1

I believe you are looking for path.Base: "Base returns the last element of path."

r,_ := http.NewRequest("GET", "http://localhost/slow/one.json", nil)
fmt.Println(path.Base(r.URL.Path))
// one.json

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