package main

import (
    "fmt"
    "net/http"
)

func PageHandler(w http.ResponseWriter, r *http.Request) {
    fmt.Println(r.RequestURI)
    w.Write([]byte("hello world"))
}

func main() {
    http.HandleFunc("/", PageHandler)
    http.ListenAndServe(":8087", nil)
}

package main

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

func main() {
    res, err := http.Get("http://localhost:8087")
    if err != nil {
        fmt.Println("err:", err)
        return
    }
    defer res.Body.Close()
    resBody, err := ioutil.ReadAll(res.Body)
    fmt.Println("client receive:" + string(resBody))
}