【二十四】使用mysqli扩展类批量执行多条sql语句

<?php
//批量执行多个dml语句
    // $mysqli=new mysqli("localhost","root","","test");
    // if ($mysqli->connect_error) {
    //     die($mysqli->connect_error);
    // }
    // $sql="insert into user1(name,Password,Email,age) values('vv','vv','[email protected]',12);";
    // $sql.="insert into user1(name,Password,Email,age) values('v','v','[email protected]',12)";
    // $sql.="insert into user1(name,Password,Email,age) values('qwe','qwe','[email protected]',12)";
    // $a=$mysqli->multi_query($sql);
    // if (!$a) {
    //     echo "执行失败".$mysqli->error;
    // }else{
    //     echo "ok";
    // }
    // $mysqli->close();
//批量操作dql语句批量执行多个dml语句
    // $m