//Package main  
package main
import (
	"fmt"
	"github.com/2089764/mahonia"
)
 var testData = []struct {
                utf8, other, otherEncoding string
        }{
                {"Résumé", "Résumé", "utf8"},
                {"Résumé", "R\xe9sum\xe9", "latin-1"},
                {"これは漢字です。", "S0\x8c0o0\"oW[g0Y0\x020", "UTF-16LE"},
                {"これは漢字です。", "0S0\x8c0oo\"[W0g0Y0\x02", "UTF-16BE"},
                {"これは漢字です。", "\xfe\xff0S0\x8c0oo\"[W0g0Y0\x02", "UTF-16"},
                {"𝄢𝄞𝄪𝄫", "\xfe\xff\xd8\x34\xdd\x22\xd8\x34\xdd\x1e\xd8\x34\xdd\x2a\xd8\x34\xdd\x2b", "UTF-16"},
                {"Hello, world", "Hello, world", "ASCII"},
                {"Gdańsk", "Gda\xf1sk", "ISO-8859-2"},
                {"Ââ Čč Đđ Ŋŋ Õõ Šš Žž Åå Ää", "\xc2\xe2 \xc8\xe8 \xa9\xb9 \xaf\xbf \xd5\xf5 \xaa\xba \xac\xbc \xc5\xe5 \xc4\xe4",
                        "ISO-8859-10"},
                {"สำหรับ", "\xca\xd3\xcb\xc3\u047a", "ISO-8859-11"},
                {"latviešu", "latvie\xf0u", "ISO-8859-13"},
                {"Seònaid", "Se\xf2naid", "ISO-8859-14"},
                {"€1 is cheap", "\xa41 is cheap", "ISO-8859-15"},
                {"românește", "rom\xe2ne\xbate", "ISO-8859-16"},
                {"nutraĵo", "nutra\xbco", "ISO-8859-3"},
                {"Kalâdlit", "Kal\xe2dlit", "ISO-8859-4"},
                {"русский", "\xe0\xe3\xe1\xe1\xda\xd8\xd9", "ISO-8859-5"},
                {"ελληνικά", "\xe5\xeb\xeb\xe7\xed\xe9\xea\xdc", "ISO-8859-7"},
                {"Kağan", "Ka\xf0an", "ISO-8859-9"},
                {"Résumé", "R\x8esum\x8e", "macintosh"},
                {"Gdańsk", "Gda\xf1sk", "windows-1250"},
                {"русский", "\xf0\xf3\xf1\xf1\xea\xe8\xe9", "windows-1251"},
                {"Résumé", "R\xe9sum\xe9", "windows-1252"},
                {"ελληνικά", "\xe5\xeb\xeb\xe7\xed\xe9\xea\xdc", "windows-1253"},
                {"Kağan", "Ka\xf0an", "windows-1254"},
                {"עִבְרִית", "\xf2\xc4\xe1\xc0\xf8\xc4\xe9\xfa", "windows-1255"},
                {"العربية", "\xc7\xe1\xda\xd1\xc8\xed\xc9", "windows-1256"},
                {"latviešu", "latvie\xf0u", "windows-1257"},
                {"Việt", "Vi\xea\xf2t", "windows-1258"},
                {"สำหรับ", "\xca\xd3\xcb\xc3\u047a", "windows-874"},
                {"русский", "\xd2\xd5\xd3\xd3\xcb\xc9\xca", "KOI8-R"},
                {"українська", "\xd5\xcb\xd2\xc1\xa7\xce\xd3\xd8\xcb\xc1", "KOI8-U"},
                {"Hello 常用國字標準字體表", "Hello \xb1`\xa5\u03b0\xea\xa6r\xbc\u0437\u01e6r\xc5\xe9\xaa\xed", "big5"},
                {"Hello 常用國字標準字體表", "Hello \xb3\xa3\xd3\xc3\x87\xf8\xd7\xd6\x98\xcb\x9c\xca\xd7\xd6\xf3\x77\xb1\xed", "gbk"},
                {"Hello 常用國字標準字體表", "Hello \xb3\xa3\xd3\xc3\x87\xf8\xd7\xd6\x98\xcb\x9c\xca\xd7\xd6\xf3\x77\xb1\xed", "gb18030"},
                {"עִבְרִית",
                        "\x81\x30\xfb\x30\x81\x30\xf6\x34\x81\x30\xf9\x33\x81\x30\xf6\x30\x81\x30\xfb\x36\x81\x30\xf6\x34\x81\x30\xfa\x31\x81\x30\xfb\x38", "gb18030"},
                {"㧯", "\x82\x31\x89\x38", "gb18030"},
                {"これは漢字です。", "\x82\xb1\x82\xea\x82\xcd\x8a\xbf\x8e\x9a\x82\xc5\x82\xb7\x81B", "SJIS"},
                {"Hello, 世界!", "Hello, \x90\xa2\x8aE!", "SJIS"},
                {"ｲｳｴｵｶ", "\xb2\xb3\xb4\xb5\xb6", "SJIS"},
                {"これは漢字です。", "\xa4\xb3\xa4\xec\xa4\u03f4\xc1\xbb\xfa\xa4\u01e4\xb9\xa1\xa3", "EUC-JP"},
                {"これは漢字です。", "\xa4\xb3\xa4\xec\xa4\u03f4\xc1\xbb\xfa\xa4\u01e4\xb9\xa1\xa3", "CP51932"},
                {"Thông tin bạn đồng hànhỌ", "Th\xabng tin b\xb9n \xae\xe5ng h\xb5nhO\xe4", "TCVN3"},
                {"Hello, 中国华为!", "Hello, \x1b$B@$3&\x1b(B!", "ISO-2022-JP"},
                {"네이트 | 즐거움의 시작, 슈파스(Spaβ) NATE",
                        "\xb3\xd7\xc0\xcc\xc6\xae | \xc1\xf1\xb0\xc5\xbf\xf2\xc0\xc7 \xbd\xc3\xc0\xdb, \xbd\xb4\xc6\xc4\xbd\xba(Spa\xa5\xe2) NATE", "EUC-KR"},
        }
func main(){
  fmt.Println(GBK2UTF8("hello,世界"))  
  
   for _, data := range testData {
                d := mahonia.NewDecoder(data.otherEncoding)
                if d == nil {
                        fmt.Printf("Could not create decoder for %s", data.otherEncoding)
                        continue
                }

                str := d.ConvertString(data.other)
                fmt.Printf("%s\n", str)
                if str != data.utf8 {
                        fmt.Printf("Unexpected value: %#v (expected %#v)", str, data.utf8)
                }
        }
}

//GBK2UTF8 GBK编码转换为UTF8
//converts a  string from UTF-8 to gbk encoding.
func GBK2UTF8(s string) (string, bool) {
	dec := mahonia.NewDecoder("gbk")
	return dec.ConvertStringOK(s)
}