添加项目文件。

Atomx.Admin/Atomx.Admin.Client/Validators/ProductModelValidator.cs

@@ -0,0 +1,21 @@
+using Atomx.Admin.Client.Models;
+using FluentValidation;
+
+namespace Atomx.Admin.Client.Validators
+{
+    public class ProductModelValidator : AbstractValidator<ProductModel>
+    {
+        public ProductModelValidator()
+        {
+            RuleFor(p => p.Title).NotEmpty().WithMessage("商品标题不能为空");
+        }
+
+        public Func<object, string, Task<IEnumerable<string>>> ValidateValue => async (model, propertyName) =>
+        {
+            var result = await ValidateAsync(ValidationContext<ProductModel>.CreateWithOptions((ProductModel)model, x => { x.IncludeProperties(propertyName); }));
+            if (result.IsValid)
+                return Array.Empty<string>();
+            return result.Errors.Select(e => e.ErrorMessage);
+        };
+    }
+}