package main

import (
	"crypto/tls"
	"net/http"
)

func main() {
	tr := &http.Transport{
		TLSClientConfig: &tls.Config{InsecureSkipVerify: true},}
	client := &http.Client{Transport: tr}
	url := "https://www.baidu.com"
	var err error
	var req *http.Request
	var resp *http.Response
	if req,err = http.NewRequest("GET",url,nil); err != nil {
		println(err.Error())
		return
	}
	if resp,err = client.Do(req); err != nil {
		println(err.Error())
		return
	}

	defer resp.Body.Close()
	switch resp.TLS.Version {
	case tls.VersionSSL30:
		println("SSLV3")
	case tls.VersionTLS10:
		println("TLSv1")
	case tls.VersionTLS11:
		println("TLSv1.1")
	case tls.VersionTLS12:
		println("TLSv1.2")

	}

}