json read & run a simple server

Author: Hellnar

json.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+)
+
+type game struct {
+	Name    string
+	Players int
+	Seasons []string
+}
+
+func main() {
+	data, err := os.ReadFile("./files/test.json")
+	if err != nil {
+		panic(err)
+	}
+
+	var game map[string]interface{}
+	if err := json.Unmarshal(data, &game); err != nil {
+		panic(err)
+	}
+
+	fmt.Println(game)
+	comp := game["name"]
+	fmt.Println(comp)
+	seasons := game["seasons"]
+	fmt.Println(seasons)
+}

server.go

@@ -0,0 +1,35 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+	"os"
+)
+
+func main() {
+	http.HandleFunc("/", hello)
+	http.HandleFunc("/page", page)
+	http.HandleFunc("/file", file)
+
+	http.ListenAndServe(":8090", nil)
+}
+
+func hello(w http.ResponseWriter, req *http.Request) {
+	fmt.Fprintf(w, "hello page\n")
+}
+
+func page(w http.ResponseWriter, req *http.Request) {
+	for name, headers := range req.Header {
+		for _, header := range headers {
+			fmt.Fprintf(w, "%v %v", name, header)
+		}
+	}
+}
+
+func file(w http.ResponseWriter, req *http.Request) {
+	data, err := os.ReadFile("./files/test.txt")
+	if err != nil {
+		fmt.Fprint(w, "Error: can't read file to show the content")
+	}
+	fmt.Fprintf(w, string(data))
+}