1 反射

val := reflect.ValueOf(v)
kind := val.Kind()

if kind == reflect.String {

    pValue := val.String()
} else if kind == reflect.Int ||
    kind == reflect.Int8 ||
    kind == reflect.Int16 ||
    kind == reflect.Int32 ||
    kind == reflect.Int64 {

    pValueInt := val.Int()
    pValue := strconv.FormatInt(pValueInt, 10)
} else if kind == reflect.Float32 ||
    kind == reflect.Float64 {

    pValueFloat := val.Float()
    pValue := strconv.FormatFloat(pValueFloat, 'f', -1, 64)
} else if kind == reflect.Slice {

    vSlice, ok := v.([]interface{})
    if ok {

    }
} else if kind == reflect.Map {
    vMap, ok := v.(map[string]interface{})

    if ok {

    }
}