调整项目结构

src/study/day3/server1.go

@@ -7,11 +7,11 @@ import (
 )
 
 func main() {
-	http.HandleFunc("/", handler)
+	http.HandleFunc("/", handler1)
 	log.Fatal(http.ListenAndServe("localhost:8090", nil))
 }
 
-func handler(w http.ResponseWriter, r *http.Request) {
+func handler1(w http.ResponseWriter, r *http.Request) {
 	fmt.Fprintf(w, "url.Path = %q \n", r.URL.Path)
 
 }