1.重构认证方式的代码,方便未来扩展 2.补充测试用例

server/dbdata/userauth.go

@@ -0,0 +1,15 @@
+package dbdata
+
+import "reflect"
+
+var authRegistry = make(map[string]reflect.Type)
+
+type IUserAuth interface {
+	checkData(authData map[string]interface{}) error
+	checkUser(name string, pwd string, authData map[string]interface{}) error
+}
+
+func makeInstance(name string) interface{} {
+	v := reflect.New(authRegistry[name]).Elem()
+	return v.Interface()
+}