Add BulkCopy(datatable+0)

Src/Asp.Net/SqlServerTest/Demo/Demo3_Insertable.cs

@@ -163,7 +163,8 @@ namespace OrmTest
 
 
             var dataTable= db.Queryable<Order>().Select("id,name,Price").Take(2).ToDataTable();
-            int result= db.Fastest<Order>().BulkCopy("order", dataTable);
+            int result= db.Fastest<System.Data.DataTable>().AS("order").BulkCopy("order", dataTable);
+            int result2 = db.Fastest<System.Data.DataTable>().AS("order").BulkCopy( dataTable);
             Console.WriteLine("#### Insertable End ####");
 
         }

Src/Asp.Net/SqlSugar/Abstract/FastestProvider/FastestProvider.cs

@@ -24,6 +24,11 @@ namespace SqlSugar
         {
             return BulkCopyAsync(tableName,dt).ConfigureAwait(true).GetAwaiter().GetResult();
         }
+        public int BulkCopy(DataTable dt) 
+        {
+            Check.ExceptionEasy(this.AsName.IsNullOrEmpty(), "need .AS(tablaeName) ", "需要 .AS(tablaeName) 设置表名");
+            return BulkCopyAsync(this.AsName, dt).ConfigureAwait(true).GetAwaiter().GetResult();
+        }
         public async Task<int> BulkCopyAsync(string tableName, DataTable dt)
         {
             if (Size > 0)

Src/Asp.Net/SqlSugar/Interface/IFastest.cs

@@ -16,6 +16,7 @@ namespace SqlSugar
         int BulkCopy(List<T> datas);
         Task<int> BulkCopyAsync(List<T> datas);
         int BulkCopy(string tableName,DataTable dataTable);
+        int BulkCopy(DataTable dataTable);
         Task<int> BulkCopyAsync(string tableName, DataTable dataTable);
 
         int BulkUpdate(List<T> datas);