### 删除 ~~~ /** * 删除 */ public function delete() { $sql = "delete from aa_user where id>11"; $database = new Database(); // 执行 $result = $database->execute($sql); $rowCount = $database->getRowCount(); var_dump('执行结果：' . $result); echo '受影响行数：' . $rowCount . '<br/>'; } ~~~