NetCore实现全局模型绑定异常信息统一处理(场景分析)

 public static void ConfigureModelBindingExceptionHandling(this IServiceCollection services)
        {
            services.Configure<ApiBehaviorOptions>(options =>
            {
                options.InvalidModelStateResponseFactory = actionContext =>
                {
                    var errors = actionContext.ModelState?
                        .Where(e => e.Value.Errors.Count > 0)
                        ?.Select(e => new  object //api返回的Model信息
                        {
                            ErrorCode = -9998,
                            ErrORMessage=e.Value.Errors.First().ErrorMessage,
                            Status=false,
                            Data=null
                        })?.FirstOrDefault();
                    return new BadRequestObjectResult(errors);
                    //此时Http状态码返回的依旧是400，如果想返回正常的http状态码200，请使用下面一行代码
                    //return new  ObjectResult(errors);
                };
            });
        }

services.ConfigureModelBindingExceptionHandling();

[HttpGet("TestExp1")]
        public IActionResult TestExp1(int id)
        {
            _logger.LogInformation("测试");
            return Ok();
        }