golang 操作XML配置文件

package main

import (
   "bytes"
   "encoding/xml"
   "fmt"
   "io/ioutil"
   "strings"
)

func main() {
   header := `<?xml version='1.1' encoding='UTF-8'?>`
   var t xml.Token
   var err error
   //从文件读取XML内容
   content,err := ioutil.ReadFile("conf/build-app-conf.xml")
   if err != nil {
      fmt.Println(err)
   }else {
      //fmt.Println(bytes.NewBuffer(content))
      confStr := strings.Replace(bytes.NewBuffer(content).String(),header,"",1)
      decoder := xml.NewDecoder(bytes.NewBuffer([]byte(confStr)))
      for t,err = decoder.Token(); err == nil; t,err = decoder.Token() {
         switch token := t.(type) {
         case xml.StartElement:
            name := token.Name.Local
            fmt.Println(name)
         case xml.EndElement:
            fmt.Println(token.Name.Local)
         case xml.CharData:
            cont := string([]byte(token))
            fmt.Println(cont)
         default:
            fmt.Println("ok")

         }
      }
   }
}