php
$mysqli=@new mysqli("localhost", "root", "123456", "xsphpdb");
if(mysqli_connect_errno()){
echo "连接数据库失败:".mysqli_connect_error();
$mysqli=null;
exit;
}
//select语句(结果集), 非select语句,会影响行数
$sql="insert into shops(name,price,num,desn) values('hello','34.56','22','good123')";
$result=$mysqli->query($sql);
if(!$result){
echo "SQL语句有误
";
echo "ERROR:".$mysqli->errno."|".$mysqli->error;
exit;
}
echo $mysqli->affected_rows;
$mysqli->close();