MVC JsonResult 无法对 null 引用执行运行时绑定

2014-07-04 09:57:15 438 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

手写ASP.NET MVC框架：模型绑定、Filter管道与视图引擎实现 MVC框架本质是一套请求处理契约体系，其核心在于模型绑定、过滤器管道、动作执行与视图渲染四大机制。模型绑定并非简单反序列化，而是基于值提供者、类型转换与验证的上下文感知过程；Filter管道构成贯穿请求生命周期的执行骨架，需严格遵循Authorization→Resource→Action→Exception→Result阶段顺序；视图引擎则需支持多模板共存与延迟渲染，以解耦渲染逻辑并保障HTTP状态正确性。这些底层原理直接决定Web应用的可调试性、扩展性与生产稳定性。本文聚焦于在不引用Microsoft. 阅读详情

代码一：

return Json(new datagrid

            {

                total = 3,

                rows = result.MerchantQualities.Select(s => new

                {

                    MerchantGroup = s.MerchantGroup.ToString(),

                    Installation = s.Installation,

                    Registeration = s.Registeration,

                    Deposit = s.Deposit,

                    Consumption = s.Consumption,

                    StartupApp = s.StartupApp,

                    ConsumptionAmount = s.ConsumptionAmount

                }),

                footer =

                {

                    MerchantGroup = "",

                    Installation = 0,

                    Registeration = 0,

                    Deposit = 0,

                    Consumption = 0,

                    StartupApp = 0,

                    ConsumptionAmount = 0

                }

            });

代码二：

return Json(new datagrid

            {

                total = 3,

                rows = result.MerchantQualities.Select(s => new

                {

                    MerchantGroup = s.MerchantGroup.ToString(),

                    Installation = s.Installation,

                    Registeration = s.Registeration,

                    Deposit = s.Deposit,

                    Consumption = s.Consumption,

                    StartupApp = s.StartupApp,

                    ConsumptionAmount = s.ConsumptionAmount

                })

            });