package utils import ( "reflect" "strings" ) func FindIndex(schema interface{}) map[string]string{ s := reflect.TypeOf(schema) tb := make(map[string]string) for i := 0; i < s.NumField(); i++ { if s.Field(i).Tag.Get("index") != "" { js := strings.Split(s.Field(i).Tag.Get("json"), ",") if len(js) == 0 { continue } tb[strings.ToLower(s.Name())] = js[0] } } return tb }