完成DbDevice的数据库操作

Data/Repositories/BaseRepositories.cs

@@ -0,0 +1,13 @@
+using SqlSugar;
+
+namespace PMSWPF.Data.Repositories;
+
+public class BaseRepositories
+{
+    protected readonly SqlSugarClient _db;
+
+    public BaseRepositories()
+    {
+        _db = DbContext.GetInstance();
+    }
+}