NetCore3.1+Flurl..Http_FluentHttp 增删改查

Nuget包  Flurl.Http

        /// <summary>
        /// 显示学生列表
        /// </summary>
        /// <returns></returns>
        [HttpGet()]
        public async Task<IActionResult> DisplayStudentInfo()
        {
            Tuple<IEnumerable<StudentDto>, int> tuple = await "http://localhost:5173/api/StudentInfo/GetStudentAndClassInfo".GetJsonAsync<Tuple<IEnumerable<StudentDto>, int>>();
            return View(tuple);
        }

        /// <summary>
        /// 异步添加学生信息
        /// </summary>
        /// <param name="studentInfo"></param>
        /// <returns></returns>
        [HttpPost()]
        public async Task<IActionResult> AddStudentInfo(StudentDto studentInfo)
        {
            var result = await "http://localhost:5173/api/StudentInfo/AddStudentInfoAsync".PostJsonAsync(studentInfo).ReceiveJson<int>();

            if (result>0)
            {
                return RedirectToAction("DisplayStudentInfo");
            }
            return RedirectToAction("AddStudentInfo");
        }  

        /// <summary>
        /// 删除学生信息
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public async Task<IActionResult> DeleteStudentInfoById(int id)
        {
            string url = "http://localhost:5173/api/StudentInfo/DeleteStudentInfoByIdAsync?id=" + id;

            var result = await url.DeleteAsync().ReceiveJson<int>();

            if (result > 0)
            {
                return RedirectToAction("DisplayStudentInfo");
            }

            else
            {
                return Json("DisplayStudentInfo");
            }
        }

     /// <summary>
        /// 编辑学生信息
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        [HttpGet]
        public async Task<IActionResult> GetStudentInfoById(int id)
        {
            IEnumerable<ClassInfoDto> classInfoDtos = await GetClassInfoDtoList();

            ViewBag.ClassInfoList = classInfoDtos;

            StudentDto studentDto = await $"http://localhost:5173/api/StudentInfo/GetStudentInfoByIdAsync/{id}".GetJsonAsync<StudentDto>() ;

            return View(studentDto);
        } 

         /// <summary>
        /// 修改学生信息
        /// </summary>
        /// <param name="studentDto"></param>
        /// <returns></returns>
        [HttpPost]
        public async Task<IActionResult> UpdateStudentInfo(StudentDto studentDto)
        {
            var result = await "http://localhost:5173/api/StudentInfo/UpdateStudentInfoAsync".PutJsonAsync(studentDto).ReceiveJson<int>();
            if (result > 0)
            {
                return RedirectToAction("DisplayStudentInfo");
            }

            else
            {
                return RedirectToAction("DisplayStudentInfo");
            }
        }