add error template

error.go

@@ -0,0 +1,27 @@
+package ksrv
+
+import (
+	"encoding/json"
+	"fmt"
+)
+
+type Error struct {
+	Code    int    `json:"code"`
+	ID      string `json:"id"`
+	Message string `json:"msg"`
+	Tmpl    string `json:"-"`
+}
+
+func (e Error) New(v ...interface{}) Error {
+	e.Message = fmt.Sprintf(e.Tmpl, v...)
+	return e
+}
+
+func (e Error) Error() string {
+	return e.Message
+}
+
+func (e Error) Json() []byte {
+	data, _ := json.Marshal(e)
+	return data
+}

net.go

@@ -41,6 +41,9 @@ func Abort(w http.ResponseWriter, errs ...interface{}) (int, error) {
 	msg := []byte{}
 	for _, err := range errs {
 		switch v := err.(type) {
+		case Error:
+			code = v.Code
+			msg = v.Json()
 		case int:
 			if v >= 100 || v < 600 {
 				code = v