mysqli_query()的用法

<?php

// 假定数据库用户名：root，密码：123456，数据库：RUNOOB

$con=mysqli_connect("localhost","root","123456","RUNOOB");

if (mysqli_connect_errno($con))

{

    echo "连接 MySQL 失败: " . mysqli_connect_error();

}

// 执行查询

mysqli_query($con,"SELECT * FROM websites");

mysqli_query($con,"INSERT INTO websites (name, url, alexa, country)

VALUES ('百度','https://www.baidu.com/','4','CN')");

mysqli_close($con);

?>