数据库管理组件增加查看数据库是否能连接的属性

Falcon.SugarApi/DatabaseManager/DbContextBase.cs

@@ -23,5 +23,9 @@ namespace Falcon.SugarApi.DatabaseManager
             this.Logger = service.GetService(typeof(ILogger<>).MakeGenericType(GetType())) as ILogger ?? throw new NullReferenceException("ILogger");
         }
 
+        /// <summary>
+        /// 是否能连接到数据库
+        /// </summary>
+        public bool CanConnection => this.Ado.IsValidConnection();
     }
 }

Falcon.SugarApi/DatabaseManager/Readme.md

@@ -0,0 +1 @@
+## 数据库管理组件