public static string CreatlogTable_供应商() { string sdt = DateTime.Now.ToString("yyyy"); string tablename = "log_" + sdt; string s_sql = "SELECT table_name FROM information_schema.TABLES WHERE table_name ='" + tablename + "' and `table_schema`='supplier' "; object ob = MysqlHelper.ExecuteScalar(s_sql, ref Program.myPool_supplier); if (ob == null) { string sql = "CREATE TABLE IF NOT EXISTS `" + tablename + "` LIKE `log_mb`"; MysqlHelper.ExecuteNonQuery(sql, ref Program.myPool_supplier); } return(tablename); }