// StringMap is a map[string]string.
type StringMap map[string]string

// StringMap marshals into XML.
func (s StringMap) MarshalXML(e *xml.Encoder,start xml.StartElement) error {

    tokens := []xml.Token{start}

    for key,value := range s {
        t := xml.StartElement{Name: xml.Name{"",key}}
        tokens = append(tokens,t,xml.CharData(value),xml.EndElement{t.Name})
    }

    tokens = append(tokens,xml.EndElement{start.Name})

    for _,t := range tokens {
        err := e.EncodeToken(t)
        if err != nil {
            return err
        }
    }

    // flush to ensure tokens are written
    err := e.Flush()
    if err != nil {
        return err
    }

    return nil
}

资料来源：https://gist.github.com/jackspirou/4477e37d1f1c043806e0@H_403_4@

现在可以通过简单地调用来编组地图@H_403_4@

output,err := xml.MarshalIndent(data,"","  ")