add reload funtion when execute command was changed

db/db.go

@@ -6,6 +6,7 @@ import (
 	_ "github.com/lib/pq"
 	"golib.gaore.com/GaoreGo/grconfig"
 	"golib.gaore.com/GaoreGo/grlogs"
+	"path"
 )
 
 const DEFAULT = "default"
@@ -33,9 +34,12 @@ func (d *DbItem) Dsn() string {
 }
 
 func init() {
+	Reload()
+}
 
+func Reload(dir ...string) {
 	var err error
-
+	var configer *grconfig.Configer
 	logger := grlogs.GetAli("sql")
 
 	defer func() {
@@ -44,16 +48,21 @@ func init() {
 		}
 	}()
 
-	dsns, err := GetDsn()
+	if len(dir) == 0 {
+		configer = grconfig.New("conf/")
+	} else {
+		dir = append(dir, "conf/")
+		configer = grconfig.New(path.Join(dir...))
+	}
+	dsns, err := GetDsn(configer)
 	if err = LoadXorm(dsns); err != nil {
 		logger.Critical(err.Error())
 	}
 }
 
-func GetDsn() (DsnList map[string]dsnConfig, err error) {
+func GetDsn(configer *grconfig.Configer) (DsnList map[string]dsnConfig, err error) {
 	var items map[string]*DbItem
 	DsnList = make(map[string]dsnConfig)
-	configer := grconfig.New("conf/")
 	err = configer.Item("db", &items)
 	if err != nil {
 		return