1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
package main
import (
"fmt"
"io"
"log"
"net/http"
"net/http/httptest"
)
type T struct {
http.ResponseWriter
}
type mw1 struct {
next http.Handler
}
func (m *mw1) ServeHTTP(rw http.ResponseWriter, rq *http.Request) {
t := &T{
ResponseWriter: rw,
}
x := t.Header()
fmt.Fprint(rw, "Welcome to my website!", x)
}
func main() {
m1 := &mw1{}
mux := http.NewServeMux()
mux.HandleFunc("/", m1.ServeHTTP)
server := httptest.NewServer(mux)
defer server.Close()
client(server.URL)
}
func client(uri string) {
resp, err := http.Get(uri)
if err != nil {
log.Fatal(err)
}
body, err := io.ReadAll(resp.Body)
if err != nil {
log.Fatal(err)
}
fmt.Println(string(body))
}
// Output:
// Welcome to my website!map[]
|
