php练习1

<?php
$conn=mysqli_init();
if(!conn){
echo "mysqli_init error";
exit(0);
}
$ret=mysqli_real_connect($conn,"localhost","root","123456","test2",3306,MYSQL_CLIENT_FOUND_ROWS);
if(!$ret){
echo "mysqli_real_connect error!";
exit(0);
}
//插入记录

/*
$sql='insert into test values(1,"tom")';
$ret=mysqli_query($conn, $sql);
if(!$ret){
echo "myslqi_query error!";
exit(0);
}
*/
//查询记录
$sql="select * from test";
$ret=mysqli_query($conn, $sql);
//获取查询结果
while(($row=mysqli_fetch_array($ret,MYSQLI_ASSOC))!=NULL){
echo "id: " . $row['id'] . "<br>";
echo "name: " . $row['name'] . "<br>";
}
?>