A:初版
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using Sharp.NetServer.Attributes;
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using Sharp.NetServer.Controllers;
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using Sharp.NetServer.Models;
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namespace NetServer.Test.Examples.Controllers;
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/// <summary>
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/// 产品管理控制器示例
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/// </summary>
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[ApiController]
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[Route("api/products")]
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public class ProductController : BaseController
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{
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private static readonly List<Product> Products = new()
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{
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new Product { Id = 1, Name = "笔记本电脑", Price = 5999.00m, Stock = 50, Category = "电子产品" },
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new Product { Id = 2, Name = "无线鼠标", Price = 99.00m, Stock = 200, Category = "电子产品" },
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new Product { Id = 3, Name = "机械键盘", Price = 399.00m, Stock = 100, Category = "电子产品" },
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new Product { Id = 4, Name = "显示器", Price = 1299.00m, Stock = 30, Category = "电子产品" },
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};
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/// <summary>
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/// 获取所有产品（公开接口，带缓存和限流）
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/// GET /api/products
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/// </summary>
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[AllowAnonymous]
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[RateLimit(200, RateLimitScope.Ip)]
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[ResponseCache(60, VaryByQueryKeys = true)]
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[HttpGet]
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public async Task GetAllProductsAsync(HttpContext context)
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{
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var category = GetQueryParam(context, "category", "");
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var products = string.IsNullOrEmpty(category)
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? Products
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: Products.Where(p => p.Category.Equals(category, StringComparison.OrdinalIgnoreCase)).ToList();
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await WriteSuccessResponseAsync(context, products);
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}
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/// <summary>
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/// 获取产品详情
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/// GET /api/products/1
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/// </summary>
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[AllowAnonymous]
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[ResponseCache(30)]
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[HttpGet("{id}")]
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public async Task GetProductByIdAsync(HttpContext context)
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{
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var idStr = context.Request.Url.Segments.LastOrDefault()?.TrimEnd('/');
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if (int.TryParse(idStr, out var id))
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{
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var product = Products.FirstOrDefault(p => p.Id == id);
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if (product != null)
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{
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await WriteSuccessResponseAsync(context, product);
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return;
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}
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}
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await NotFoundAsync(context, "产品未找到");
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}
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/// <summary>
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/// 创建产品（需要认证）
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/// POST /api/products
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/// Body: { "name": "新产品", "price": 199.00, "stock": 100, "category": "类别" }
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/// </summary>
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[Authorize(Roles = "Admin")]
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[RateLimit(20, RateLimitScope.User)]
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[HttpPost]
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public async Task CreateProductAsync(HttpContext context)
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{
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var productData = await ReadJsonBodyAsync<Product>(context);
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if (productData == null || string.IsNullOrEmpty(productData.Name) || productData.Price <= 0)
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{
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await BadRequestAsync(context, "无效的产品数据");
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return;
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}
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productData.Id = Products.Max(p => p.Id) + 1;
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Products.Add(productData);
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await WriteSuccessResponseAsync(context, productData, "产品创建成功");
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}
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/// <summary>
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/// 更新库存
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/// PATCH /api/products/1/stock
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/// Body: { "quantity": 10 }
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/// </summary>
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[Authorize]
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[HttpPatch("{id}/stock")]
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public async Task UpdateStockAsync(HttpContext context)
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{
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var idStr = context.Request.Url.Segments[^2].TrimEnd('/');
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if (!int.TryParse(idStr, out var id))
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{
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await BadRequestAsync(context, "无效的产品ID");
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return;
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}
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var product = Products.FirstOrDefault(p => p.Id == id);
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if (product == null)
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{
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await NotFoundAsync(context, "产品未找到");
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return;
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}
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var stockUpdate = await ReadJsonBodyAsync<Dictionary<string, object>>(context);
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if (stockUpdate != null && stockUpdate.TryGetValue("quantity", out var quantityObj))
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{
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if (int.TryParse(quantityObj.ToString(), out var quantity))
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{
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product.Stock = quantity;
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await WriteSuccessResponseAsync(context, product, "库存更新成功");
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return;
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}
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}
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await BadRequestAsync(context, "无效的库存数量");
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}
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/// <summary>
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/// 删除产品
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/// DELETE /api/products/1
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/// </summary>
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[Authorize(Roles = "Admin")]
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[HttpDelete("{id}")]
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public async Task DeleteProductAsync(HttpContext context)
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{
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var idStr = context.Request.Url.Segments.LastOrDefault()?.TrimEnd('/');
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if (!int.TryParse(idStr, out var id))
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{
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await BadRequestAsync(context, "无效的产品ID");
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return;
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}
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var product = Products.FirstOrDefault(p => p.Id == id);
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if (product == null)
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{
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await NotFoundAsync(context, "产品未找到");
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return;
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}
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Products.Remove(product);
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await WriteSuccessResponseAsync(context, new { id }, "产品删除成功");
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}
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/// <summary>
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/// 搜索产品
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/// GET /api/products/search?q=键盘&minPrice=100&maxPrice=500
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/// </summary>
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[AllowAnonymous]
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[RateLimit(150, RateLimitScope.Ip)]
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[HttpGet("search")]
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public async Task SearchProductsAsync(HttpContext context)
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{
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var query = GetQueryParam(context, "q", "");
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var minPriceStr = GetQueryParam(context, "minPrice", "0");
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var maxPriceStr = GetQueryParam(context, "maxPrice", decimal.MaxValue.ToString());
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decimal.TryParse(minPriceStr, out var minPrice);
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decimal.TryParse(maxPriceStr, out var maxPrice);
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var results = Products.Where(p =>
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(string.IsNullOrEmpty(query) || p.Name.Contains(query, StringComparison.OrdinalIgnoreCase)) &&
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p.Price >= minPrice &&
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p.Price <= maxPrice
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).ToList();
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await WriteSuccessResponseAsync(context, new
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{
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query,
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minPrice,
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maxPrice,
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count = results.Count,
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products = results
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});
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}
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}
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/// <summary>
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/// 产品数据模型
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/// </summary>
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public class Product
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{
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public int Id { get; set; }
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public string Name { get; set; } = string.Empty;
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public decimal Price { get; set; }
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public int Stock { get; set; }
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public string Category { get; set; } = string.Empty;
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}
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