新增接口验证判断

Edu.WebApi/Controllers/User/UserController.cs

@@ -1435,8 +1435,13 @@ namespace Edu.WebApi.Controllers.User
         public ApiResult GetStudent()
         {
             var StuId = base.ParmJObj.GetInt("StuId", 0);
-            var extModel = studentModule.GetStudentModule(StuId);
+            if (StuId <= 0)
+            {
+                return ApiResult.ParamIsNull(message: "请传递学生编号");
+            }
+           
             classModule.GetStudentCurrentOrderModule(StuId, out int newClassStatus, out string classStatusName, out _, out _);
+            var extModel = studentModule.GetStudentModule(StuId);
             var obj = new
             {
                 extModel.StuId,