新增打印模板绑定功能，支持业务与打印模板的映射配置。实现打印模板的增删改查操作，优化打印数据的生成逻辑，提升打印模板的灵活性和用户体验。同时，新增打印机查询接口，增强打印服务的可用性和实时性。

yy-admin-master/YY.Admin.Services/Service/RawMaterialCard/RawMaterialCardService.cs

@@ -317,6 +317,39 @@ public class RawMaterialCardService : IRawMaterialCardService, ISingletonDepende
         }
     }
 
+    public async Task<(string templateJson, string printDataJson, string? errorMessage)> PrepareNativePrintAsync(string id, CancellationToken ct = default)
+    {
+        if (!_networkMonitor.IsOnline)
+            return (string.Empty, "{}", "当前离线，无法获取打印数据");
+        try
+        {
+            var url = $"{BaseUrl}/xslmes/mesXslRawMaterialCard/anon/prepareNativePrint?id={Uri.EscapeDataString(id)}&tenantId={DefaultTenantId}";
+            using var client = CreateClient();
+            var resp = await client.GetAsync(url, ct).ConfigureAwait(false);
+            var json = await resp.Content.ReadAsStringAsync(ct).ConfigureAwait(false);
+            using var doc = JsonDocument.Parse(json);
+            var root = doc.RootElement;
+            if (!root.TryGetProperty("code", out var codeEl) || codeEl.GetInt32() != 200)
+            {
+                var msg = root.TryGetProperty("message", out var msgEl) ? msgEl.GetString() : "未知错误";
+                return (string.Empty, "{}", msg ?? "服务端返回错误");
+            }
+            var result = root.GetProperty("result");
+            var templateJson = result.TryGetProperty("templateJson", out var tjEl) ? tjEl.GetString() : null;
+            var printDataJson = result.TryGetProperty("printData", out var pdEl)
+                ? pdEl.GetRawText()
+                : "{}";
+            if (string.IsNullOrWhiteSpace(templateJson))
+                return (string.Empty, "{}", "服务端未返回模板 JSON，请先在「业务打印绑定」中配置原材料卡片");
+            return (templateJson!, printDataJson, null);
+        }
+        catch (Exception ex)
+        {
+            _logger.Warning($"[原材料卡片] 准备打印数据失败 id={id}: {ex.Message}");
+            return (string.Empty, "{}", $"获取打印数据失败：{ex.Message}");
+        }
+    }
+
     public async Task<bool> UpdatePriorityAsync(string id, string priorityPickup, CancellationToken ct = default)
     {
         if (_networkMonitor.IsOnline)