如何将PHP写入Mysql页面


How to write PHP to Mysql page

目前我刚刚完成了 HTML,我尝试在连接 Mysql 上编写 PHP 脚本,但是谷歌上的所有网站都令人困惑,因为现在我需要通过使用 PHP 仅指定写入连接,

请您帮助逐步解释从HTML到PHP的代码,并将PHP编写到MySql,非常感谢。

有很多关于这个的文档,但你可以从这里开始:

http://www.w3schools.com/php/php_mysql_select.asp

这是示例代码,我建议您:

<?php
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDB";
// Create connection
 $conn = mysqli_connect($servername, $username, $password, $dbname);
 // Check connection
 if (!$conn) {
     die("Connection failed: " . mysqli_connect_error());
}
$sql = "SELECT id, firstname, lastname FROM MyGuests";
$result = mysqli_query($conn, $sql);
if (mysqli_num_rows($result) > 0) {
    // output data of each row
    while($row = mysqli_fetch_assoc($result)) {
        echo "id: " . $row["id"]. " - Name: " . $row["firstname"]. " " . $row["lastname"]. "<br>";
    }
} else {
    echo "0 results";
}
mysqli_close($conn);
 ?>