get body request, validator fix

validator.go

@@ -33,18 +33,14 @@ func (v *Validator) Validate(data map[string]interface{}, rules map[string]inter
 	vr = validationResult{}
 	vr.hasFailed = false
 	res := map[string]string{}
-	for key, val := range data {
-		_, ok := rules[key]
-		if !ok {
-			continue
-		}
-		rls, err := parseRules(rules[key])
+	for rule_key, rule_val := range rules {
+		rls, err := parseRules(rule_val)
 		if err != nil {
 			panic(err.Error())
 		}
-		err = validation.Validate(val, rls...)
+		err = validation.Validate(data[rule_key], rls...)
 		if err != nil {
-			res[key] = fmt.Sprintf("%v: %v", key, err.Error())
+			res[rule_key] = fmt.Sprintf("%v: %v", rule_key, err.Error())
 
 		}
 	}