1.JiangSu：添加删除全部接口 2.TEWin: 添加测试单元

13693261870

2024-01-11 e47a565b1e34370cd9402b88fc64cdde9ad4a019

 JiangSu/cs/GridDAL.cs

@@ -51,6 +51,11 @@
            return SQLiteHelper.ExecuteNonQuery(sql);
        }

        public static int DelAll()
        {
            return SQLiteHelper.ExecuteNonQuery("delete from grid");
        }

        public static int Insert(Grid grid)
        {
            string sql = "insert into grid (json) values (@json); select last_insert_rowid();";