52 lines
765 B
Go
52 lines
765 B
Go
package main
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import (
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"fmt"
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"io"
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"log"
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"net/http"
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"net/http/httptest"
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)
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type mw1 struct {
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next http.Handler
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}
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func (m *mw1) ServeHTTP(rw http.ResponseWriter, rq *http.Request) {
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m.next.ServeHTTP(rw, rq)
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}
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type mw0 struct{}
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func (m *mw0) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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fmt.Fprint(w, "Welcome to my website!")
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}
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func main() {
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m0 := &mw0{}
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m1 := &mw1{m0}
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mux := http.NewServeMux()
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mux.HandleFunc("/", m1.ServeHTTP)
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server := httptest.NewServer(mux)
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defer server.Close()
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client(server.URL)
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}
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func client(uri string) {
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resp, err := http.Get(uri)
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if err != nil {
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log.Fatal(err)
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}
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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log.Fatal(err)
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}
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fmt.Println(string(body))
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}
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// Output:
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// Welcome to my website!
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