添加了权限与用户名查询

backend/src/engine.cpp

@@ -454,5 +454,6 @@ std::vector<std::string> BookStoreEngineClass::ExecuteReport(
 }
 
 std::string BookStoreEngineClass::QueryUserInfo(const std::string &user_name) {
-  return user_name + std::to_string(user_data_base.GetPrevilege(user_name));
+  return user_name + " " +
+         std::to_string(user_data_base.GetPrevilege(user_name));
 }

frontend/Web/communication.js

@@ -80,4 +80,16 @@ async function Request(req)
     localStorage.setItem("outhentication_key", outhentication_key);
     localStorage.setItem("operation_count", operation_count);
   }
-})();
+})();
+
+async function GetMyName()
+{
+  let ret = await RawRequest("#Who "+session_token+" InfoQuery "+outhentication_key);
+  return ret.split('\n')[1].split(' ')[0];
+}
+
+async function GetMyPrivilege()
+{
+  let ret = await RawRequest("#Who "+session_token+" InfoQuery "+outhentication_key);
+  return parseInt(ret.split('\n')[1].split(' ')[1]);
+}