测试

MinimalAPI/Services/CategoryService.cs

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+using AutoMapper;
+using HardwarePerformance.Models.DTOs;
+using HardwarePerformance.Repositories;
+
+namespace HardwarePerformance.Services
+{
+    public class CategoryService : ICategoryService
+    {
+        private readonly ICategoryRepository _categoryRepository;
+        private readonly IMapper _mapper;
+
+        public CategoryService(ICategoryRepository categoryRepository, IMapper mapper)
+        {
+            _categoryRepository = categoryRepository;
+            _mapper = mapper;
+        }
+
+        public async Task<IEnumerable<CategoryDto>> GetAllCategoriesAsync()
+        {
+            var categories = await _categoryRepository.GetAllAsync();
+            return _mapper.Map<IEnumerable<CategoryDto>>(categories);
+        }
+
+        public async Task<CategoryDto?> GetCategoryByIdAsync(int id)
+        {
+            var category = await _categoryRepository.GetByIdAsync(id);
+            return category != null ? _mapper.Map<CategoryDto>(category) : null;
+        }
+    }
+}