feat: add 客户端

PetWashControl/Services/ApiService.cs

@@ -0,0 +1,88 @@
+using System.Net.Http;
+using System.Net.Http.Json;
+using PetWashControl.Models;
+
+namespace PetWashControl.Services;
+
+public class ApiService
+{
+    private readonly HttpClient _httpClient;
+    private readonly ConfigurationService _config;
+
+    public ApiService(ConfigurationService? config = null)
+    {
+        _config = config ?? new ConfigurationService();
+        _httpClient = new HttpClient
+        {
+            BaseAddress = new Uri(_config.ApiBaseUrl),
+            Timeout = TimeSpan.FromSeconds(30)
+        };
+    }
+
+    public async Task<List<Package>> GetPackagesAsync()
+    {
+        try
+        {
+            return await _httpClient.GetFromJsonAsync<List<Package>>("api/packages") 
+                   ?? new List<Package>();
+        }
+        catch (HttpRequestException ex)
+        {
+            throw new Exception($"无法连接到服务器: {ex.Message}", ex);
+        }
+    }
+
+    public async Task<Order?> CreateOrderAsync(int packageId)
+    {
+        try
+        {
+            var response = await _httpClient.PostAsJsonAsync("api/orders", new { packageId });
+            response.EnsureSuccessStatusCode();
+            return await response.Content.ReadFromJsonAsync<Order>();
+        }
+        catch (HttpRequestException ex)
+        {
+            throw new Exception($"创建订单失败: {ex.Message}", ex);
+        }
+    }
+
+    public async Task<Order?> ConfirmPaymentAsync(int orderId)
+    {
+        try
+        {
+            var response = await _httpClient.PostAsync($"api/orders/{orderId}/payment", null);
+            response.EnsureSuccessStatusCode();
+            return await response.Content.ReadFromJsonAsync<Order>();
+        }
+        catch (HttpRequestException ex)
+        {
+            throw new Exception($"确认支付失败: {ex.Message}", ex);
+        }
+    }
+
+    public async Task<Order?> GetOrderAsync(int orderId)
+    {
+        try
+        {
+            return await _httpClient.GetFromJsonAsync<Order>($"api/orders/{orderId}");
+        }
+        catch (HttpRequestException ex)
+        {
+            throw new Exception($"获取订单失败: {ex.Message}", ex);
+        }
+    }
+
+    public async Task<Order?> UpdateOrderStatusAsync(int orderId, OrderStatus status)
+    {
+        try
+        {
+            var response = await _httpClient.PutAsJsonAsync($"api/orders/{orderId}/status", new { status });
+            response.EnsureSuccessStatusCode();
+            return await response.Content.ReadFromJsonAsync<Order>();
+        }
+        catch (HttpRequestException ex)
+        {
+            throw new Exception($"更新订单状态失败: {ex.Message}", ex);
+        }
+    }
+}