golang开启http2

使用HTTP2

1 .在1.6以上的版本，如果使用https模式启动服务器，那么服务器默认将使用HTTP2.0

package main

import(
    "net/http"
    "golang.org/x/net/http2"
    "log"
)
func main(){
    var srv http.Server
    //http2.VerboseLogs = true
    srv.Addr = ":8080"
    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
        w.Write([]byte("hello http2"))
    })
    http2.ConfigureServer(&srv, &http2.Server{})
    go func() {
        log.Fatal(srv.ListenAndServeTLS("cert.pem", "key.pem"))
    }()
    select {}
}

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