使用 iconv.v1 做字符串编解码

package encoding

import (
    "gopkg.in/iconv.v1"
)

func ConvString(from, to, content string) (string, error) {
    cd, err := iconv.Open(to, from)
    if err != nil {
        return "", err
    }
    defer cd.Close()

    gbk := cd.ConvString(content)
    return gbk, nil
}