解决go语言访问网站编码不一致问题

package main

import (
  "net/http"
  "fmt"
  "io/ioutil"
  "golang.org/x/text/transform"
  "io"
  "bufio"
  "golang.org/x/net/html/charset"
  "golang.org/x/text/encoding"
)

func main()  {
  resp, err := http.Get("http://www.zhenai.com/zhenghun")
  if err != nil {
    panic(err)
  }
  defer resp.Body.Close()

  if resp.StatusCode != http.StatusOK {
    fmt.Println("error")
    return
  }

  //监测网页是什么编码
  e := determineEncoding(resp.Body)

  //要下载gopm get -g -v golang.org/x/text 这个库
  utf8Reader := transform.NewReader(resp.Body, e.NewDecoder())
  all, err := ioutil.ReadAll(utf8Reader)

  if err != nil {
    panic(err)
  }
  fmt.Printf("%s\n",all)
}

func determineEncoding(r io.Reader) encoding.Encoding  {
  bytes, err := bufio.NewReader(r).Peek(1024)
  if err != nil {
    panic(err)
  }
  e, _, _ := charset.DetermineEncoding(bytes, "")
  return e
}