good good study, day day up!

vendor/gopl.io/ch1/server1/main.go

@@ -0,0 +1,26 @@
+// Copyright © 2016 Alan A. A. Donovan & Brian W. Kernighan.
+// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
+
+// See page 19.
+//!+
+
+// Server1 is a minimal "echo" server.
+package main
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+)
+
+func main() {
+	http.HandleFunc("/", handler) // each request calls handler
+	log.Fatal(http.ListenAndServe("localhost:8000", nil))
+}
+
+// handler echoes the Path component of the requested URL.
+func handler(w http.ResponseWriter, r *http.Request) {
+	fmt.Fprintf(w, "URL.Path = %q\n", r.URL.Path)
+}
+
+//!-