course/HTTP/http_server.go

package main

import (
	"fmt"
	"io"
	"net/http"
	"os"
)

func f1(w http.ResponseWriter, r *http.Request) {
	b, err := os.ReadFile("./HTTP/fronted.html")
	if err != nil {
		w.Write([]byte(fmt.Sprintf("%v", err)))
		return
	}
	w.Write(b)

}

func f2(w http.ResponseWriter, r *http.Request) {
	//对于GET请求，query param参数都放在url，请求体中没有数据
	queryParam := r.URL.Query()
	name := queryParam.Get("name")
	age := queryParam.Get("age")
	fmt.Println(name, age) //自动识别url中的问号中的参数
	fmt.Println(r.URL)
	fmt.Println(r.Method)
	fmt.Println(io.ReadAll(r.Body))
	w.Write([]byte("success"))

}

// http server
func main() {
	http.HandleFunc("/web", f1)
	http.HandleFunc("/query", f2)
	http.ListenAndServe("127.0.0.1:9090", nil)

}