Golang reading file encoding conversion problem

This is a creation in Article, where the information may have evolved or changed.

First import the Package

"Code.google.com/p/mahonia"

This package can be obtained through this link

https://code.google.com/p/mahonia/

The reference code is as follows:

package mainimport  (     "Bufio"      "code.google.com/p/ Mahonia "    " Log "    " OS "    " strings "      "Time") Func main ()  {    //Create the log file     t :=  time. Now ()     filepath :=  "./log_"  + strings. Replace (t.string () [:19],  ":",  "_",  3)  +  ". txt"     file, err  := os. OpenFile (Filepath, os. o_create, 0666)     if err != nil {         log. Fatal ("create log file failed!")     }    defer file. Close ()     wfile := bufio. Newwriter (file)     wfile.writestring (ReadFile ())     wfile.flush ()}func  readfile ()  striNg {    f, err := os. Open ("Ex7.txt")     if err != nil {         return err. Error ()     }    defer f.close ()     buf : = make ([]byte, 1024)     //file ex7.txt encoding is Gb18030    decoder  := mahonia. Newdecoder ("GB18030")     if decoder == nil {         return  "Code does not exist!"     }    var str string =  ""      for {        n, _ := f.read (BUF)          if 0 == n {             break        }        //decoding to Utf-8        str  += decoder. Convertstring (String (Buf[:n]))     }    return str}